HOUSEHOLD UTENSIL, SYSTEM AND METHOD OF OPERATION FOR THE SAME

专利摘要:
household appliance, system and method of operation for the same. a household appliance and its system are provided. the household appliance includes: an input unit for inputting trigger information; a data unit for storing diagnostic logic; a control unit for diagnosing a state of the household appliance and, if a fault occurs according to the diagnosis logic in the product information base including drive information entered from the insert unit, the operating information detected during an operation , and fault information occurring during an operation, in order to generate a diagnosis result including the operation information and the fault information, and encoding transmission information including predetermined data for a diagnosis, which are selected from the drive operation , and the diagnosis result, and emitting the encoded transmission information; a modulator for converting the encoded transmission information; and a sound emitting unit for emitting the transmission information converted by the modulator as a sound including a plurality of frequencies.
公开号:BR102013014829B1
申请号:R102013014829-6
申请日:2013-06-13
公开日:2022-01-18
发明作者:Sangdoo HA；Jinwook Lee；Moonhyun Kim；Deoghyeon Kim
申请人:Lg Electronics Inc；
IPC主号:

专利说明:

[0001] This application claims priority to Korean patent application No. 10-2012-0074500 filed July 9, 2012, which is hereby incorporated by reference. BACKGROUNDField
[0002] The present disclosure relates to a household appliance and its system, and more particularly, to a household appliance that checks and diagnoses its condition and fails to send a diagnosis result in order to make the After Sales (A/S) easy, and your system. Description of Related Technique
[0003] A household appliance can store setting values for operation, information occurring during operation, and failure information during its predetermined operation, (especially, it can issue a predetermined alarm when the failure occurs). A user can therefore recognize the state of the household appliance. Such a household appliance can notify a simple operation completion or a fault occurrence, and also output specific fault information via an emission means such as a display means or lamp.
[0004] Typically, a user contacts a service center when a household appliance breaks, and then a technician personally visits the user for repair. However, such a personal visit by a technician causes excessive costs and also, without prior information about the household appliance, it is difficult to repair the household appliance effectively. Furthermore, with the development of technology, a telephone network is used to remotely diagnose fault information.
[0005] European patent application no. EP0510519 discloses a technique that sends fault information about a home appliance to a service center via a telephone network with a modem connected to the home appliance. However, in this case, there is an issue where the modem needs to always be connected to the household appliance. Especially, since a household appliance such as a garment washing machine is usually installed outside, there is difficulty in connecting the garment washing machine to the telephone network.
[0006] US Patent no. 5987105 discloses a method for controlling a household appliance that converts information about the operation of a household appliance into a sound signal and outputs it over a telephone network. Such a control method sends a sound signal emitted from a household appliance to a service center via a user's telephone. In terms of the structure of the data packets constituting the sound signal, the information to be transmitted in a plurality of packets for transmission. A packet is configured with a duration of 2.97 s, and when a packet is emitted, the next packet is emitted 730 ms later. Consequently, emitting all the information to be transmitted takes more than 3 s.
[0007] A portable terminal, such as a mobile phone or smartphone, provides a noise canceling function. When a signal having a predetermined frequency is continuously detected for a predetermined time (about 3 s), such a noise canceling function recognizes the signal as noise. Furthermore, the sound signal strength is drastically reduced or distorted by a communication medium when the sound signal is input into a portable terminal, as disclosed in patent no. US5987105. Even when an idle period (eg 730 ms) is set between packets (each duration set to less than 3 s), the signal can still be recognized as noise. For reference, patent no. US5987105 provides no hint or acknowledgment of the noise canceling function of a handheld terminal, let alone a way to dodge the above issue.
[0008] Therefore, it is necessary to provide an improved means to transmit as much data about a household appliance as possible simultaneously in order to reduce signal loss or distortion due to the communication medium such as that caused by noise canceling functions of communication devices such as mobile phones. RESUME
[0009] Aspects of an invention are disclosed in the accompanying independent claims.
[0010] The foregoing and other objectives, features, aspects and advantages of a device and method in accordance with the disclosure will become more apparent from the following detailed description when taken in conjunction with the accompanying figures. BRIEF DESCRIPTION OF THE FIGURES
[0011] The accompanying figures which are included to provide a further understanding of the disclosure and which are incorporated into and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.
[0012] In the figures:FIG. 1 is a diagram illustrating a configuration of a household appliance and a diagnostic system including a server according to one embodiment; FIG. 2 is a block diagram illustrating a configuration of a household appliance according to one embodiment; FIG. 3 is a block diagram illustrating a configuration of a server at a service center for administering a household appliance according to one embodiment; FIG. 4 is a view illustrating a data structure of a signal emitted from a household appliance; FIG. 5 is a view illustrating a configuration of a signal after signal data emitted from a household appliance is converted; FIG. 6 is a view illustrating a diagnosis logic and a diagnosis result accordingly on a household appliance; FIG. 7 is a flowchart illustrating a method for diagnosing a household appliance and generating its diagnosis result according to an embodiment; FIG. 8 is a flowchart illustrating a method of outputting broadcast information on a household appliance according to one embodiment; e1. G. 9 is a flowchart illustrating a method of a server in a home appliance system to output a diagnosis result in accordance with an embodiment. DETAILED DESCRIPTION
[0013] While specific terms are used, they are not used to limit the meaning or scope of the present disclosure described in the claims, but merely used to explain the present disclosure. Accordingly, a person of ordinary skill in the art will understand from the foregoing that various modifications and other equivalent embodiments are also possible. The invention is not restricted to the described embodiments, but extends to the entire scope of the appended claims. Similar reference numerals refer along similar elements.
[0014] FIG. 1 is a diagram illustrating a configuration of a household appliance and a diagnostic system including a server according to one embodiment.
[0015] Referring to FIG. 1, a home appliance system may include at least one home appliance 101 installed separately in a plurality of locations and a service center 200 for managing the home appliances. At this time, the service center 200 may include a customer response system via telephone, e-mail, user visit, and also service administration data on home appliances. Household appliance 101 may include an inserter unit 110, a predetermined display unit, and a sound output unit 160 such as a bell and speaker for sounding a notification sound or acknowledgment sound.
[0016] Household appliance 101 can self-diagnose its state using diagnostic logic built into operation S1 when a command is entered via input unit 110, errors occur during an operation of household appliance 101, or a setting operation is completed.
[0017] At this point, the home appliance 101 can perform diagnostic logic on the basis of product information including trigger information emitted from (or received by) the inserter unit 110, operation information detected during operation, and fault operation occurring during operation in order to check its status and diagnose if a fault occurs, and accordingly, can generate and optionally store a diagnosis result based on the operation and the fault operation.
[0018] As the household appliance 101 emits a predetermined sound through the sound-emitting unit 160, a user can recognize its operating state if a fault occurs or if it operates abnormally in operation S2. However, the household appliance 101 may provide a function to emit a sound that combines transmission information including the diagnosis result and specific frequencies. Such a sound signal may be output via sound output means typically equipped to output a notification sound or acknowledgment sound (or, an additional sound output means for outputting a sound other than this).
[0019] In addition, a user, who recognizes an abnormality of the household appliance 101 through a notification sound emitted from the sounding unit 160, can call the service center 200 to describe an abnormal symptom of the household appliance. 101 and may ask for a corresponding solution or require a repair in operation S3. Obviously, regardless of whether a specific sound such as a notification sound is emitted, a user can directly recognize an abnormal operation of the home appliance 101, and can contact the service center 200 in some cases.
[0020] Once a call is connected to the service center 200, a service center agent can fill in the user's complaint, and can undertake to provide a corresponding solution. In some cases, specific information about a symptom of a household item may be required.
[0021] The agent can explain to the user a method to output transmission information such as a diagnosis result as sound in S4 operation. According to the explanation, the user can place the communication terminal 81 near the sound emitting unit 160, and then, can manipulate the user input means, equipped in a control panel, in order to output the information of transmission including a diagnosis result as a predetermined tone through the tone emitting unit 160.
[0022] If necessary, when a predetermined command is entered through the insertion unit 110 of the household appliance 101, in addition to an image, an instruction refers to a sounding position, connection to the service center 200, and how transmitting sound to the service center 200 can be displayed on the display unit 117 of the home appliance 101. Accordingly, without description by the service center agent, a user can output and transmit the transmission information of the home appliance 101 as sound in connection with the service center 200.
[0023] When the broadcast information is output as a predetermined sound through the sound output unit 160, the output sound signal can be transmitted to the service center 200 via a communication network of the operating terminal 81 S5.
[0024] At this point, the sound emitted from the household appliance 101 can be input to the terminal 81, and then the sound signal including a diagnosis result and trigger information can be transmitted to a service center server 200 via of a telephone network of the service center 200 in order to transmit information on the status of the household appliance 101.
[0025] The service center 200 may include a server for receiving and recording a sound signal transmitted over a communication network and storing it. The server can extract the transmission information including the diagnosis result from the sound signal transmitted through the communication network, and can output the diagnosis result of the household appliance 101 and detail data corresponding thereto on the basis of the information of transmission extracted in S6 operation.
[0026] At this point, the server may include a database (DB) to store detail data such as a cause of failure corresponding to the diagnosis result of a household appliance, countermeasures, how to use a household appliance, and further description.
[0027] The service center 200 can confirm the product information of the home appliance 101 according to its issued status information, and then, it can control an operation of the home appliance 101 or describe its status to a user during connection connection. If necessary, the service center 200 can direct a service man 93 to a home in order to provide a service appropriate to the product status and fault diagnosis of the household appliance 101 in correspondence with the diagnosis result.
[0028] At this point, the diagnosis result and its data can be transmitted to a service man terminal 93, and the service man 30 can use it to help repair the fault in operation S8. Service man 93 can confirm the diagnosis result notified through the equipped terminal, and can visit a user after preparing the necessary parts for repair. Since necessary parts are prepared precisely in advance, the number of visits by the service man 93 can be drastically reduced.
[0029] Additionally, the diagnosis result can be delivered to the user's email or portable terminal.
[0030] Consequently, in relation to a home appliance system, when a user accesses a service center 200 via a predetermined communication network (e.g., a telephone network), the transmission information including the diagnosis result and the triggering information from the home appliance 101 can be output as a predetermined sound and a corresponding sound signal can be transmitted to the service center 200 via a communication network. Then, the service center 200 can precisely determine the status of the household appliance 101 and can handle it so that fast service becomes available.
[0031] Hereinafter, the household appliance 101 is described as a garment washing machine, as an example, but is not limited thereto, and thus, it can generally be applied to a household appliance 1 such as a TV, an air conditioner , a washing machine, a refrigerator, an electric stove, and a microwave.
[0032] At this point, the server can determine whether self-diagnosis is possible on the basis of its product information, and when the product information including drive information, operation information, and fault information, which is not the information transmission signal of the household appliance, can be output as sound, receive it in the same way, and diagnose the household appliance according to a diagnosis logic stored in the server.
[0033] If necessary, the server can receive the product information and then can analyze and convert it in order to diagnose the household appliance. At this point, the terminal 81 itself (e.g. smartphone) can diagnose the household appliance according to its performance, but in some cases the terminal 81 may only include a simple diagnostic function, which is just part of the diagnostic functions for fully diagnose the state of the household appliance.
[0034] FIG. 2 is a block diagram illustrating a configuration of a household appliance according to one embodiment.
[0035] Referring to FIG. 2, the household appliance 101 may include an inserter unit 110, a display unit 118, a detection unit 170, a data unit 145, a drive unit 180, a modulator 150, a sound emission unit 160, and a control unit 140 for controlling a general operation of the household appliance 101.
[0036] Inserting unit 110 may include at least one inserting means for inserting predetermined data or signal into household appliance 101 and may include a user handling unit 117 and a selection unit 116.
[0037] Selection unit 116 may include at least one insertion means, and when an intelligent diagnosis mode is selected, it may send a diagnosis perform command to control unit 140 in order to perform fault diagnosis and household appliance status check 101 according to the product information.
[0038] Additionally, once a diagnostic result output is selected, the selection unit 116 may send a signal output command to the control unit 140 in order to output the transmission information including the diagnosis result as a predetermined signal through the sound emitting unit 160.
[0039] At this point, the selection unit 116 may be an insertion means separate from the handling unit 117, but if necessary, it may operate or be recognized as a selection unit when at least two handling units 117 are handled simultaneously, or it may operate or be recognized as a selection unit when the specific handling unit 117 is continuously manipulated or manipulated more than a predetermined time.
[0040] Additionally, the selection unit 116 can turn the sound emitting unit on/off as it enters an intelligent diagnosis mode or a diagnosis result emission mode. That is, when a signal output command is issued by the selection unit 116 in response to the control command from the control unit 140, transmission information including a diagnosis result can be output as a predetermined signal. At this point, the sounding unit 160 can operate to output a sound accordingly.
[0041] Handling unit 117 can receive data such as a drive stroke and drive adjustment in accordance with an operation of the household appliance 101, and then can transmit it to the control unit 140. Additionally, the handling unit 117 can receive an adjustment according to a signal output. That is, the handling unit 117 can output an adjustment value such as the manner of outputting a signal and the size of an output signal.
[0042] At this point, the insertion unit 110 including the selection unit 116 and the manipulation unit 117 may include a button, a dome switch, a touch pad (static/electrostatic pressure), a rotary knob, a button switch, a finger mouse, a rotary switch, a tuner knob, as well as any devices for generating predetermined input of data by pinching, rotating, pressing and manipulating with contact that may be applicable.
[0043] The sensing unit 170 may include at least one sensing means for sensing temperature, pressure, voltage, current, level and the number of revolutions, and may transmit detected or measured data to the control unit 140. For example, the detection unit 170 can measure the water level during water supply or drain in a washing machine, and can measure the temperature of the supplied water, or the rotational speed of a washing machine tub or drum.
[0044] The drive unit 180 can control the drive of the household appliance 101 in order to perform an adjustment operation in response to the control signal applied from the control unit 140. Consequently, a washing machine can perform a series of cycles. such as a washing cycle, a rinsing cycle, and a drying cycle in order to remove pollution from the garment.
[0045] For example, the drive unit 180 can drive a motor that rotates a washing machine drum or tub, and it can also control its operation in order to remove pollution from garments by rotating the machine tub or drum. of washing. Additionally, in response to the control command from the control unit 140, the drive unit 180 may control a valve in order to supply drain water.
[0046] The data unit 145 may store control data for controlling an operation of the household appliance 101 and reference data used during an operation control of the household appliance 101. At this point, the data unit 145 may include all means of storage such as ROM and EEPROM where control data on a household appliance can be stored. Additionally, data unit 145 may include storage means for temporarily storing data as a control unit separator 140, and DRAM and SRAM may be used for data unit 145.
[0047] When the household appliance 101 performs a predetermined operation, the data unit 145 may store the operation information occurring during an operation, triggering information such as setting data entered by the handling unit 117 to allow the household appliance 101 perform a predetermined operation, usage information including the number of specific operations performed by the home appliance 101 and model information of the home appliance 101, and fault information including information about the cause for malfunction or location of malfunction when the home appliance 101 operates abnormally.
[0048] Additionally, the data unit 145 can store a diagnosis logic for intelligent diagnosis, data necessary for the diagnosis logic, and a diagnosis result obtained by the diagnosis. At this point, as the diagnosis logic is performed, if a fault occurs in the household appliance 101 and its status can be diagnosed in the base or in the product information, and a diagnosis result from it is issued. At this point, the diagnosis result can be a result obtained by reflecting the operating information and the fault information.
[0049] Here, the product information may include at least one of identifying information, such as a product ID, drive information, such as a configuration, operation information, and fault information, such as fault detection information. error.
[0050] The identification information may include information to identify the target to be diagnosed via the diagnostic device, i.e., the terminal 81 or a diagnosis server. A diagnostic device described below can be configured to diagnose various household items such as a refrigerator, a washing machine, an air conditioner, and a cooking machine, and the product ID can include information about which target should be diagnosed by the diagnostic device.
[0051] Trigger information can include information on user-entered function settings. The operation information may be information about the operating state of the household appliance 101, which is accumulated in the current data unit 145 as data on the household appliance 101 detected or measured during an operation. The fault information may be the information whether various components constituting the household appliance 101 are operating normally.
[0052] The product information may be data including a combination of 0s and 1s, and may be a digital signal readable by the control unit 140.
[0053] When a signal is input from the selection unit 116 as the household appliance 101 enters an intelligent diagnosis mode, the control unit 140 may consider the product information stored in the data unit 145 to perform the logic of diagnosis, so the diagnosis is performed on the household appliance 101.
[0054] Additionally, control unit 140 can generate and encode transmission information of a predetermined format including diagnosis result and trigger information and transmit them to modulator 150. Additionally, control unit 140 can control an operation of the sound emitting unit 160.
[0055] Control unit 140 may include: a main control unit 141 for controlling the flow of data entered or output from the household appliance 101, generating or transmitting a control command in accordance with data entered from the unit 170, or transmitting the detected data to the drive unit 180 to control an operation of the household appliance 101; a diagnostic unit 143 for diagnosing a fault in the household appliance 101 in accordance with the diagnostic logic and generating a diagnostic result; and a coding unit 142 for converting transmission information including the diagnosis result in accordance with an input to a predetermined signal.
[0056] Once the household appliance 101 enters an intelligent diagnosis mode through the selection unit 116, the main control unit 141 can consider the product information stored in the data unit 145, and then can transmit it to the diagnostic unit 143. Additionally, once the diagnosis result output is selected, the main control unit 141 can emit a start tone to notify that the diagnosis result is output through the tone emission unit 160 , and can display a progress status (i.e. the diagnosis result according to the smart diagnosis is output) as predetermined data via the display unit 118.
[0057] Additionally, when the data encoded in the decoding unit 142 is transmitted to the modulator 150 and then output to the sound output unit 160, the main control unit 141 can control the sound output unit 160 in order to output a predetermined notification sound before signal emission and after signal emission. However, the notification sound before signal emission can be omitted if necessary.
[0058] At this point, if two sounding units 160 are provided, the main control unit 141 can control a notification sound and a sound including product information to be output to different sounding units160.
[0059] When the household appliance 101 enters an intelligent diagnosis mode, the main control unit 141 can control the selection unit 116 and the handling unit 117, except a power switch to stop operation, and can control the unit detection and drive unit 180 to stop all other operations of the household appliance 101.
[0060] Additionally, when a manipulation key in the manipulation unit 117 is inserted according to a configuration of the household appliance 101 after power is applied, the main control unit 141 can control the intelligent diagnosis mode not to start even when a insertion is done through the selection unit 116. Especially, when the selection unit 116 is not provided additionally and an insertion is made by a combination of at least two manipulation keys among a plurality of manipulation keys in the manipulation unit 117 as if the selection unit 116 were provided, only if an entry is made by a designated key combination without another entry after the power switch is entered, the intelligent diagnosis mode can start.
[0061] When the household appliance 101 enters the intelligent diagnosis mode by an input of the selection unit 116 and a perform diagnosis command is entered, the diagnostic unit 143 can consider the product information stored in the data unit 145 and can analyze the data according to the diagnosis logic in order to diagnose the household appliance 101.
[0062] Additionally, when each adjustment operation is completed or an error occurs during an operation of the household appliance 101, the diagnostic unit 143 can diagnose the household appliance 101 in correspondence with the product information.
[0063] At this point, the diagnosis logic may be an algorithm designed to determine whether a failure occurs in the household appliance 101 based on whether each data item satisfies a designated conditioned expression using the data from each product information, and may issue its result. At this point, the diagnosis logic can be an algorithm to determine whether each data especially of the operation information and fault information in the product information, and its generated diagnosis result can be a result obtained from the configuration and fault information.
[0064] The diagnostic unit 143 can diagnose a fault and a state of the household appliance 101 based on the product information by performing such diagnostic logic.
[0065] When a diagnosis result output command is entered, the encoding unit 142 can generate a predetermined format of transmission information by considering the diagnosis result and drive information stored in the data unit 145, and at this point, the transmission information can additionally include an indicator, which is the version information about the smart diagnosis and order information on the diagnosis result.
[0066] At this point, the transmission information can include at least two diagnosis results, more preferably, three diagnosis results, and information so that the diagnoses results that have been generated can be included in the indicator. Trigger information can be selectively included in the transmission information according to the priority of a configuration setting and inserted during an operation of a corresponding household appliance in relation to the product information used to draw each diagnosis result. At this point, the priority may vary depending on a setting.
[0067] Encoding unit 142 may encode transmission information in accordance with a predetermined designated method, and may add a preamble and an error check bit to a data signal in order to generate a predetermined format of a data signal. control. The encoding unit 142 can control the transmission information not to exceed 6 bytes, and when the transmission information is output as sound by a sound output unit, it can generate a predetermined format of a signal so that its timing total emission does not exceed 3 s.
[0068] Encoding unit 142 may encode transmission information in order to generate a control signal including a plurality of symbols. At this point, the encoding unit 142 can generate a control signal in one frame. Furthermore, according to the priority of the diagnosis result and the triggering information, the coding unit 142 can designate the position of a control signal in a frame, and then, it can generate the control signal.
[0069] Encoding unit 142 can generate a predetermined format of a control signal, and then, can transmit the control signal to modulator 150. At this point, control unit 140 can change the number of symbols corresponding to one frequency signal emitted, according to the number of frequencies used in the modulator 150.
[0070] In response to a control signal applied from the control unit 140, the modulator 150 may apply a predetermined trigger signal to the sound emitting unit 160 in order to output a predetermined frequency of a sound signal through the sounding unit 160 by applying a predetermined trigger signal to sounding unit 160.
[0071] Especially, when a sound signal is output, the modulator 150 can apply a signal to the sound output unit 160 in order to output a frequency signal, which is designated in correspondence with at least one symbol, with respect to a symbol (a unit of data constituting the control signal), for a symbol time.
[0072] Modulator 150 can output a signal in response to a control signal when using a plurality of frequency bands, and control unit 140 can change the number of symbols per frequency according to the number of frequencies in use in response to the control unit setting 140, and then it can issue it.
[0073] At this point, the modulator 150 can generate a frequency signal via a “QFSK” quadrature frequency shift switching method. Accordingly, a frequency signal generated by modulator 150 may include a combination of four different carrier frequencies.
[0074] Here, the modulator 150 can convert a signal using a frequency signal having different values of less than 2 kHz, and each frequency value can have one of the frequency values constituting a scale.
[0075] Especially, frequency values constituting a scale can be used. For example, frequency values can be 1396 Hz, 1567 Hz, 1760 Hz, and 1975 Hz. Such values can have six-octave F, G, A, B based on 12 scales. Here, carrier frequencies can be taken as not being adjacent scales, and this is to provide a difference in frequency values in order to clearly distinguish each carrier frequency.
[0076] Since carrier frequencies have values constituting a scale, a sound signal emitted through the sound-emitting unit 160 can satisfy the emotional aspect of a user, and once there is sufficient difference between the values, frequencies are clearly distinguished, and a communication success range is improved.
[0077] The sounding unit 160 may be turned on/off in response to a control command from the control unit 140, and may output a signal of a predetermined frequency corresponding to the frequency signal for a predetermined time in accordance with a control modulator 150, so that transmission information including a diagnosis result and drive information is output as sound. At this point, at least one sound emitting unit 160 may be equipped.
[0078] The sound emitting unit 160 can output a sound signal according to the frequency signal, and can be implemented with a bell or a loudspeaker. The sound emitting unit 181 may be a bell for emitting four carrier frequencies that are separately distinguished in a frequency band of less than 2 kHz.
[0079] The sounding unit 160 can output a predetermined sound signal in correspondence with a broadcast from the modulator 150, and then, when the broadcast is completed, its operation can stop. When the selection unit 116 is manipulated again, the sounding unit 160 can output transmission information including a diagnosis result and trigger information as a predetermined signal through the above process.
[0080] Display unit 118 can display information entered by selection unit 116 and handling unit 117, operating status information about household appliance 101, information about completion of operation of household appliance 101, on a screen. Additionally, when the household appliance 101 operates abnormally, malfunction information may be displayed on the screen.
[0081] Additionally, when the intelligent diagnosis mode starts in response to a control command from the main control unit 141, the display unit 118 can display the intelligent diagnosis mode, and also, it can display a progress status accordingly. with an emission of fault diagnosis or diagnosis result of a household appliance in at least one form of a character, an image, and a number. Additionally, a diagnosis result can be issued.
[0082] At this point, the household appliance 101 may additionally include an emitting means such as a light emitting lamp and a vibrating device in addition to the sound emitting unit 160 and the display unit 118.
[0083] FIG. 3 is a block diagram illustrating a configuration of a device for diagnosing a household appliance in accordance with one embodiment.
[0084] Referring to FIG. 3, the diagnostic device may include a microphone ("mike") 271, an insertion unit 272, a transmit unit 273, a communication unit 280, a signal processing unit 230, a signal analysis unit 240 , a database (DB) 260, and a control unit 210 for controlling the general operation of the diagnostic device.
[0085] According to a manipulation of the inserter unit 272, a diagnostic program for home appliance can be executed, and as a recording button is inserted, the recording unit 220 can start recording a sound inserted through the microphone (“mike”) 271.
[0086] The emission unit 273 can display various information including a diagnosis progress situation or diagnosis result of a household appliance. Additionally, an alarm sound or effect sound can be played. Additionally, how to adjust a household appliance for diagnosis and the position of a signal input from a household appliance can be displayed on a screen of the emission unit 273.
[0087] Microphone (mike) 271 can receive ambient sound. When the product information is converted into a predetermined signal and output as sound from a household appliance, the diagnostic device can receive the signal output from the household appliance through the microphone (mike) 271, and can input the received signal on the recording unit 220.
[0088] When a household appliance is connected to a diagnostic device via a communication network if necessary, the communication unit 280 can receive a transmitted signal from the household appliance.
[0089] Recording unit 220 can record a signal received through microphone (mike) 271. Recording unit 220 can record a signal received through microphone (mike) 271 in a wave file format. At this point, the diagnostic device may include a recording medium such as RAM, hard disk, and Nand Flash Memory to record a sound signal file.
[0090] The signal processing unit 230 can convert the input signal to extract product information, and then, can transmit it to the diagnostic unit 250.
[0091] When a signal is recorded by the recording unit 220, the recording processing unit 230 can demodulate and decode a wave file constituting a signal in order to extract product information. Additionally, when a signal is received through the communication unit 280, the recording processing unit 230 can convert the signal in accordance with the signal file format and communication method used in order to extract product information.
[0092] Hereinafter, the case that the recording processing unit 230 converts a recorded signal in order to extract product information will be described.
[0093] The recording processing unit 230 can store bitstream data for recorded analog signal, and detect its preamble, and then, based on that, can extract transmission information about a household appliance from a sound signal. Through this process, the recording processing unit 230 can demodulate the recorded data, and can decode the demodulated data in order to extract transmission information. At this point, the transmission information may include a diagnosis result and trigger information for a household appliance.
[0094] A signal conversion in the signal processing unit 230 may be an inverted conversion to a signal conversion in a household appliance, and each of the household appliance and terminal 81 (i.e., a diagnostic device) may convert data when using the same signal conversion system by mutual agreement. For example, the signal processing unit 230 can decode the data by using a Viterbi decoding algorithm in correspondence with a method of encoding a household appliance. The signal processing unit 230 can perform reverse conversion to an analog sound signal of a predetermined frequency band by using one of frequency shift switches, amplitude shift keying, and a phase shift keying.
[0095] Once a signal conversion is completed by the signal processing unit 230, the signal analysis unit 240 can detect an error, which occurs when a signal is output from a household appliance and is then recorded and stored, and can determine whether the signal is normal. Additionally, the signal analysis unit 240 can examine an error when a signal is received over a communication network.
[0096] At this point, the signal analysis unit 240 can analyze the recorded data in order to examine whether the signal is recorded normally or the recorded signal is normal. Additionally, after product information is extracted, the signal analysis unit 240 can examine whether the data on the extracted product information is normal.
[0097] The signal analysis unit 240 may perform a predetermined correction process to correct an error detected from an error detection operation, but in some cases, even when a correction process is performed, it may be difficult to restore the normal data.
[0098] When error information is input, the control unit 210 may output that the signal recording is not normal via the output unit 273, and may require a signal retransmission to a household appliance. At this point, a user can manipulate a household appliance again according to an error information and a required signal retransmission displayed on a terminal, and then, can output a signal.
[0099] When a signal is normal, the signal analysis unit 240 can complete recording, and the control unit 210 can display a message to notify that recording is completed normally through the emission unit 273.
[00100] When the signal analysis unit 240 determines that the signal is normal, the control unit 210 can output the transmission information, which is extracted from the signal processing unit, through the transmission unit 273.
[00101] Additionally, the control unit 210 can output the diagnosis result and trigger information in the transmission information, the product ID in the product, and the version information, but can output the diagnosis result in a predetermined order of according to an indicator value.
[00102] At this point, the control unit 210 can consider detail data corresponding to each diagnosis result from the database (DB) 260, and then, can output it in addition to the diagnosis result.
[00103] At this point, the detail data may include a cause of failure corresponding to a corresponding diagnosis result value, countermeasures for failure, such as using a related household appliance, or additional description, in relation to each diagnosis result. That is, a household appliance can issue a diagnosis result as a predetermined code, and a server receives it in order to issue detail data corresponding to the diagnosis result.
[00104] The database (DB) 260 can store control data 261 on a server operation and signal process, the transmission information extracted by the signal processing unit 230 and its diagnosis result data 263, and data of record 265 in a diagnosis result for each household appliance.
[00105] Additionally, the database (DB) 260 can store detail data corresponding to each diagnosis result. At this point, as mentioned above, the detail data may include a cause of failure corresponding to a diagnosis result, countermeasures for failure, such as using a related household appliance, or additional description, and may additionally include a list of required replacement components. to AS in relation to a fault.
[00106] At this point, register data 265 can be additionally stored according to the type and model of a household appliance, ie a diagnosis target.
[00107] Control unit 210 can display diagnosis result and detail data in transmission information via emission unit 273.
[00108] At this point, when voice guidance is required for the user connected to a call regarding a diagnosis result, the control unit 210 can output information about it. Also, when a repair is needed, the control unit 210 can reserve a forwarding schedule, and then, can transmit a diagnosis result and data about it to a technician's terminal, who checks and repairs the household appliance.
[00109] FIG. 4 is a view illustrating a data structure of a signal emitted from a household appliance in accordance with the present disclosure.
[00110] Broadcast information about the household appliance can be output as a predetermined form of a sound signal, and then, can be input to a server of the service center 200 via a terminal. At this point, the product information can be transmitted to the service center server 200 via a telephone network, a mobile communication network, or a wireless or wired communication network, which is connected to the terminal 81, the use a sound signal emitted from the household appliance.
[00111] Referring to FIG. 4A, the household appliance can store trigger information occurring or measured during an operation, operation information (that is, a set value entered for each operation), and fault information about error occurrence as product information, and then, can analyze the information according to a pre-stored diagnosis logic in order to generate a diagnosis result.
[00112] Control unit 140 can add version information 271 on diagnosis data 272 including the generated diagnosis result and drive information in order to generate transmission information. At this point, the diagnosis data 272 may additionally include a product ID, i.e. an identifier to identify a product and an indicator, i.e. order information about a diagnosis result.
[00113] At this point, version information 271 may refer to an intelligent diagnosis algorithm or an entire intelligent diagnosis system, such as the version of an intelligent diagnosis, and the version information in an intelligent diagnosis may refer to a protocol name information corresponding to it.
[00114] For example, as shown in FIG. 4B, when a Version is displayed with 0x01(271a), a Protocol Name 271b may refer to 'Smart Diagnosis for Washing Machine v1.0'. The product ID can be an identifier to identify a product, and fault diagnosis data can be used for fault diagnosis of a household appliance.
[00115] Version information can include 7 bits and diagnosis data can include 41 bits. If the diagnosis result in the diagnosis data is three times of a diagnosis result, it can be 21 bits, an indicator for the diagnosis result can be 18 bits, and the trigger information can be 18 bits. Thus, a total of 41 bits can be used. The transmission information including version information and diagnosis data can be configured with a total of 48 bits, ie 3 bytes.
[00116] Advantageously, in relation to the triggering information, only some (predetermined) data, which is selected on the basis of a priority among a plurality of data according to an operating setting, is included in the diagnosis data. For example, in terms of trigger information, a stroke, wash water temperature, a user program, a child lock setting, a sound emission level, a dewatering speed, and the number of operations can be selectively included in the diagnostic data. That is, predetermined data for diagnosis is selected from the trigger information. In other words, only a selected subsystem of drive information is included in the diagnosis data. The trigger information chosen for the subsystem can be selected based on the given priorities. The person skilled in the art will understand that the stated priorities can be changed and can, for example, be dependent on fault information.
[00117] Consequently, only the most relevant trigger information is provided in the diagnosis result. Advantageously, this reduces overall signal time, allows for more server-focused diagnosis (if required), and allows relevant and useful information about faulty products to be captured on a server.
[00118] The product ID and version can be entered directly into a diagnostic logic in use from the diagnostic unit in the control unit of a household appliance. On the contrary, diagnostic data can be stored in the data unit 145 of the household appliance.
[00119] Once an intelligent diagnosis is performed, the control unit 140 in a household appliance can diagnose the household appliance by using pre-stored product information in a diagnosis mode and the diagnosis logic (i.e. a diagnosis algorithm), it can generate a diagnosis result about it, and then, it can generate transmission information including at least one pre-generated diagnosis result when the diagnosis result in an emission mode in order to output the transmission information as a predetermined sound via the sound output unit 160.
[00120] At this point, the service center server 200, which receives the sound signal emitted from the household appliance, can convert and analyze the sound in order to extract the broadcast information, can confirm the version in the broadcast information , identify the type and model of the household appliance by the product ID, link detail data corresponding to the diagnosis result, and then, can output the detail data in addition to the diagnosis result.
[00121] Consequently, a user can confirm the diagnosis result and the detailed description about it through terminal 81. At this point, an agent can confirm the diagnosis result and the detail data in order to provide voice guidance to the user, or transmit an email or message to the user's terminal.
[00122] FIG. 5 is a view illustrating a configuration of a signal after signal data emitted from a household appliance is converted.
[00123] Encoding unit 142 can encode version information and diagnostics data 282 of a total of 48 bits (i.e. 6 bytes), i.e. transmission information, in order to output them as sound .
[00124] At this point, the encoding unit 142 may generate a frame including a plurality of symbols through encoding and interleaving processes using transmission information, and during the processes, symbols corresponding to a Frame Check Sequence (FCS). ), a Tail symbol, and a preamble can be added. FCS can be added to the data to perform an error detection process (eg, a CRC-8 method) to identify whether a frame is correctly transmitted.
[00125] As shown in FIG. 5, the encoding unit 142 can add the preamble and FCS for error detection in the payload, i.e. the transmission information, to have a total of 9 bytes, and then may encode them differently.
[00126] Such encoding method may vary, and thus may include a Convolutional 1/2 Encoding method, for example. Especially, Convolutional Encoding 1/2 method can be used in a pass-through error correction (FEC) method to overlay an error symbol, and in order to restore a bit error, it can be used with a convolutional code through of the FEC method.
[00127] Encoding can be based on a 1/2 code range (ie one bit is inserted and two bits are output). At this point, since code range 1/2 requires many excess bits, a punching algorithm can be used in order to reduce the number of excess bits.
[00128] Additionally, the tail symbol can be an additional symbol generated during a convolutional encoding process.
[00129] Interleaving can be a technique for mixing the order of symbols and transmitting them, which is used when continuous errors occur during sound signal transmission. The merging process can merge the sections of the payload corresponding to the diagnosis data and the tail symbol.
[00130] In addition, the sound signal emitted according to the configured frame through household appliance can be transmitted to the server through input from the external terminal 81 and a communication network. Then, the server can detect the preamble according to a pre-agreed protocol, and can obtain the transmission information, i.e., diagnosis data (i.e., payload) through deinterleaving, tail symbol detection, decoding, and FCS detection process.
[00131] Especially, decoding can use a Viterbi decoding algorithm, which is easily performed in PC-based software, and such an algorithm can be advantageous to reduce errors in a way of selecting bit pairs having less error from all expected bit pairs.
[00132] Through the above process, the frame according to one embodiment may include a preamble having 8 symbols, a payload having 48 symbols (this corresponds to 6 bytes of data in an application layer), an FCS having 8 symbols, and a tail symbol having two symbols.
[00133] At this point, a total time to output the frame can be set not to exceed 3 s, and a time to output each symbol, that is, a symbol time can be set not to exceed 45 ms.
[00134] The inventors have found that when the time symbol is set too short, an echo effect between carrier frequencies emitted in correspondence with each symbol causes signal interference. Therefore, in theory, the symbol time should be set as long as possible.
[00135] However, in order to provide the above picture and output a sound signal completely within 3s, the inventors have found that advantageously the maximum symbol time can be between 40ms and 45ms. In the case of 45 ms, since a total emission length of a sound signal is extremely close to 3 s, the noise reduction function can be applied due to the delay during signal processing according to external terminal 230. Therefore, a symbol time of 44 ms can be considered. In this case, all sound signals can be completely output within 2.90 s, and approximately 100% communication success rate can be confirmed with almost all terminals.
[00136] FIG. 6 is a view illustrating a diagnosis logic and a diagnosis result accordingly on a household appliance.
[00137] The diagnostic logic on the household appliance, as shown in FIG. 6, can diagnose an abnormal operation of the household appliance on the basis of a plurality of stored product information data such as drive information, operation information, and fault information.
[00138] For example, when error A 201 occurs, data values of an a and b (i.e. related data to identify a phenomenon or corresponding error) can be determined based on a predetermined conditional equation in order to diagnose error A 201. The diagnosis result in error A 201 can be divided into results 101, 102, and 103, separately, and each can have a different countermeasure and cause. When the diagnosis result 101 in error A 201 is derived, it is stored. At this point, the diagnosis result can be stored as a predetermined code value.
[00139] Additionally, regarding error C 203, data values of d and e can be compared based on a conditional equation, and then, can be divided into an abnormal case and a normal case. When it is the abnormal case, the diagnosis result 106 can be derived.
[00140] As mentioned above, the diagnosis algorithm on a household appliance can select specific data according to an error code or phenomenon occurring based on the product information including a plurality of data on the home appliance, and can determine whether the data satisfy a plurality of conditional equations in order to diagnose abnormality. Since a plurality of data related to an error or phenomenon, the number of conditional equations according to it can vary depending on each error, and also, a plurality of diagnostic results about it can be provided.
[00141] Such diagnostic logic can be included in a server if necessary, and in the case of a household appliance not having self-diagnosis, the product information can be output as sound and a diagnostic service a corresponding household appliance when using the diagnostic logic. At this point, the server can determine whether a diagnosis is possible using the version and product number information, and accordingly, it can process signals differently.
[00142] FIG. 7 is a flowchart illustrating a method for diagnosing a household appliance and generating its diagnosis result according to an embodiment.
[00143] Referring to FIG. 7, when a trigger setting is entered and a predetermined operation is performed accordingly in an operating state in S310 operation, if an error occurs during operation in S320 operation, the control unit 140 can control the diagnostic unit 143 to perform diagnostic logic on the basis of pre-stored production information, and then, can perform fault diagnosis on household appliance in operation S350.
[00144] Additionally, when an operation is performed according to a trigger setting and is completed without an error in operation S330, the diagnostic unit 143 can perform a fault diagnosis on the basis of stored product information until the operation is completed. in S350 operation. At this point, the diagnostic unit 143 can diagnose each wash completion, wash completion, and dewatering completion by considering each wash, rinse, and dewatering cycle as one operation, and/or may diagnose each operation after all operations such as washing, rinsing, and dehydration are completed. This may vary depending on an adjustment.
[00145] In addition, when an intelligent diagnosis perform command is entered through the inserter unit 110 without a household appliance operation and S340 operation, the main control unit 141 may stop another operation or ignore an entry after that, and the diagnostic unit 143 can perform a fault diagnosis on the operating household appliance S350.
[00146] Diagnostic unit 143 can generate a diagnosis result in each case once fault diagnosis is performed, and can store it in data unit 145 in S360 operation. At this point, trigger information according to an operating setting can also be stored.
[00147] FIG. 8 is a flowchart illustrating a method of issuing broadcast information on a household appliance according to one embodiment.
[00148] Referring to FIG. 8, once a diagnostic result emission command according to intelligent diagnosis is entered through the input unit 110 in S410 operation, the control unit 140 can consider the diagnosis result, which is obtained and accumulated before. At this point, the control unit 140 can consider at least two diagnostic results (more preferably, three diagnostic results). Additionally, the control unit 140 can consider the trigger information in the diagnosis result, i.e. setting data related to an operation of the household appliance, in operation S430. For example, a self-diagnosis can be performed after each wash cycle. Consequently, a series of diagnostic results can be stored. It can be understood that earlier diagnosis results may contain information relevant to a current defect.
[00149] The coding unit 142 can add an indicator (that is, the order information on the diagnosis result) and the product ID of the household appliance on the diagnosis result and trigger information, and also, it can additionally add a version information in its intelligent diagnosis in order to generate transmission information in operation S440.
[00150] Encoding unit 142 can be preamble and data for error detection in transmission information, can encode and convert transmission information in order to generate frame data for sound output, and then, can transmit the data frame for the modulator 150.
[00151] The modulator 150 can convert the frame data into a plurality of frequency signals in operation S450, and then, can output them through the sounding unit 160. At this point, the sounding unit 160 can output a sound signal including a frequency signal constituting a scale in S460 operation.
[00152] The sound signal output can be transmitted to service center 200 via terminal 81.
[00153] FIG. 9 is a flowchart illustrating a method of a server in a home appliance system to output a diagnosis result in accordance with an embodiment.
[00154] Referring to FIG. 9, a service center server 200 can receive and record a sound signal emitted and transmitted from the home appliance.
[00155] The recording processing unit 230 can perform reverse conversion on the recorded signal and analyze it in order to extract transmission information from the operating household appliance S520. Additionally, the signal analysis unit 240 can determine whether the recorded signal and the extracted transmission information are normal data.
[00156] If the transmission information is normal data, the control unit 210 can divide the diagnosis result by the type of household appliance according to the version information and product number included in the transmission information, and then it can output the diagnosis result and the drive information in operation S530.
[00157] At this point, the control unit 210 can consider detail data corresponding to each diagnosis result from DB 260, and then, can output it in addition to the diagnosis result in operation S540. Accordingly, countermeasures and corresponding causes of failure, therefore, can be issued as detail data, and also, a guide on additional related information and a method of using a household appliance can be issued.
[00158] The control unit 210 can provide a fault guide for a user, or it can book a repair time and direct a service man.
[00159] Additionally, the control unit 210 can generate log data on each household appliance regarding the diagnosis result and store the log data in DB 260 in operation S550.
[00160] Control unit 210 can accumulate and store log data, and can periodically transmit log data to a user at each set period in order to provide fault history information.
[00161] Thus, according to the present disclosure, a home appliance sends and transmits data within a short period of time, thereby minimizing data loss during transmission, and also, as a server receives data more accurately, repair of household appliance becomes easier and effective management in household appliance is improved. Therefore, reliability in a product can be improved.
[00162] As above, the household appliance and its system according to the present disclosure are described with reference to the accompanying figures, but the present disclosure is not limited to the above embodiments, and thus, may be applicable within the technical scope of the present disclosure.
[00163] The household appliance and its system according to the present disclosure performs a diagnosis on the household appliance, outputs result data about it as a predetermined sound within a short period of time, and then transmits it to a server. As a result, data on a household appliance can be transmitted accurately.
[00164] Furthermore, according to the present disclosure, a large amount of data on a household appliance is not transmitted, but once the transmission information including a diagnosis result and some trigger information is converted and output, only a small amount of data is used to confirm a household appliance status and faster service response is possible. As a result, effective administration is possible.
[00165] While preferred embodiments have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible without departing from the scope of the disclosure as disclosed in the appended claims.

权利要求:
Claims (15)
[0001]
1. Household appliance, characterized in that it comprises: an insertion unit (110) for entering actuation information; a data unit (145) for storing a diagnosis conditional equation; a control unit (140) for diagnosing a condition of the household appliance and, if a fault has occurred according to the conditional equation of diagnosis on the basis of product information including the trigger information, the operating information detected during the operation, and the fault information occurring during an operation, in order to of generating a diagnosis result including the operating information and the fault information, and encoding the transmission information including a subsystem of the drive information, and the diagnosis result, and outputting the encoded transmission information; a modulator (150) to convert the encoded transmission information; and a sound emitting unit (160) for outputting the transmission information converted by the modulator (150) as a sound including a plurality of frequencies, which the control unit (140) may comprise; a diagnostic unit (143) for diagnosing a household appliance failure to the diagnosis conditional equation and generating the diagnosis result, and a coding unit (142) to convert the transmission information, including the diagnosis result.
[0002]
2. Household appliance, according to claim 1, characterized in that the control unit (140) selects the trigger information subsystem based on a priority in each data among the data included in the trigger information.
[0003]
3. Household appliance according to claim 2, characterized in that the control unit (140) generates transmission information including version information in the diagnosis conditional equation and an index in the diagnosis result.
[0004]
4. Household item according to claim 1, characterized in that the transmission information comprises at least two diagnostic results.
[0005]
5. Household appliance according to claim 4, characterized in that the control unit (140) generates transmission information including three diagnostic results.
[0006]
6. Household appliance, according to claim 1, characterized by the fact that the transmission information is smaller than 6 bytes.
[0007]
7. Household appliance, according to claim 1, characterized in that the sound is emitted for less than 3 seconds.
[0008]
8. Household appliance, according to claim 1, characterized in that the triggering information subsystem comprises 18 bits and/or the diagnosis result comprises 21 bits.
[0009]
Household appliance according to claim 1, characterized in that when a diagnostic perform command is entered from the insertion unit (110), each adjustment operation is completed, or an error occurs during an operation, the control unit (140) performs diagnostics on the household appliance in correspondence with the product information.
[0010]
10. Household appliance, according to claim 1, characterized in that the modulator (150) converts the encoded data through a combination of at least two different frequencies.
[0011]
11. Home appliance system, characterized in that it comprises: a home appliance (101), as defined in any one of claims 1 to 10; a server to receive the sound emitted from the home appliance (101) and emit a diagnosis result on household utensil; and a terminal (81) for transmitting the sound emitted from the household appliance to the server via a predetermined communication network, wherein the server analyzes the sound and extracts the diagnosis result, and outputs the diagnosis result and diagnostic data. details corresponding to the diagnosis result, wherein the household appliance comprises a control unit (140) for controlling the flow of data entered into or output from the household appliance, wherein the control unit (140) may comprise: a diagnostic unit (143) for diagnosing a failure of the household appliance according to the conditional diagnosis equation and generating the diagnosis result, and a coding unit (142) for converting the transmission of information including the diagnosis result.
[0012]
12. Household appliance system, according to claim 11, characterized in that the server comprises a database (260) to store the diagnosis result and the detail data corresponding to the diagnosis result, and stores a history of diagnosis on the household appliance in the database as registration data in correspondence to the diagnosis result.
[0013]
13. Household appliance system, according to claim 11, characterized in that the database (260) stores the detail data, which includes at least one of a failure cause corresponding to the diagnosis result, a countermeasure for the cause of failure, the additional description for the failure, and a method for using the household appliance, for each diagnosis result.
[0014]
14. Home appliance system, according to claim 11, characterized in that the server periodically transmits data in the diagnosis history about the home appliance (101) to the home appliance and to the terminal (81) according to a adjusted period.
[0015]
15. Method of operating a domestic appliance, characterized in that the method comprises: receiving the trigger information to perform a predetermined operation; storing the diagnosis conditional equation to diagnose a failure in the domestic appliance (101); diagnosing, through of a diagnostic unit (143) in the household appliance, a status of the household appliance and, if a fault has occurred in accordance with the conditional diagnosis equation on the basis of product information including the trigger information, the operation information detected during the operation and the fault information occurring during the operation; generating, through the diagnostic unit (143), a diagnosis result including the operating information and the fault information; coding, through a coding unit (142), the transmission information including an actuation information subsystem and the diagnosis result; and outputting the transmission information as sound having a plurality of frequencies.

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同族专利:

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公开号 | 公开日

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AU2013206144B2|2016-02-25|

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BR102013014829A2|2015-08-11|

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CN103543698B|2017-04-12|

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CN103543698A|2014-01-29|

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AU2013206144A1|2014-01-23|

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EP2685438B1|2019-07-24|

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EP2685438A3|2015-07-01|

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EP2685438A2|2014-01-15|

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KR20140007178A|2014-01-17|

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US20140009300A1|2014-01-09|

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RU2013128246A|2014-12-27|

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BR102013014829A8|2021-08-17|

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法律状态:
2015-08-11| B03A| Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]|

---

2018-12-04| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|

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2019-12-17| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|

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2021-04-13| B08F| Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]|Free format text: REFERENTE A 8A ANUIDADE. |

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2021-05-11| B08G| Application fees: restoration [chapter 8.7 patent gazette]|

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2021-08-10| B06A| Patent application procedure suspended [chapter 6.1 patent gazette]|

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2021-08-17| B03H| Publication of an application: rectification [chapter 3.8 patent gazette]|Free format text: REFERENTE A RPI 2327 DE 11/08/2015, QUANTO AO ITEM 71. |

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2021-12-07| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|

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2022-01-18| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 13/06/2013, OBSERVADAS AS CONDICOES LEGAIS. |

优先权:

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申请号 | 申请日 | 专利标题

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KR10-2012-0074500|2012-07-09|

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KR20120074500A|KR20140007178A|2012-07-09|2012-07-09|Diagnostic system for home appliance|

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