• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention relates to a device for personal oral treatment that includes a functional element and a battery to supply energy to it in order to make the functional element perform at least one oral treatment function. The device comprises a body that contains the battery; the first and second hand keys arranged on the body at a distance from each other, a distance which, in combination with a body shape, is sufficient to prevent the simultaneous activation of the first and second hand keys with a consumer finger or thumb or a single substantially flat surface. The device also includes a structured electrical circuit to activate the functional element only after the first and second manual switches are turned on.
    公开号:BR112017023907B1
    申请号:R112017023907-8
    申请日:2016-05-09
    公开日:2021-03-02
    发明作者:Matthew Lloyd Newman；Kimberly Horn Ellingson；Jayanth Rajaiah；Paul Albert Sagel；Franziska Schmid
    申请人:The Procter & Gamble Company；
    IPC主号:
    专利说明:

    FIELD OF THE INVENTION
    [0001] The present description relates to a device for oral treatment, and, in particular, to a personal electronic device for oral treatment that is structured to prevent its accidental or unwanted activation. BACKGROUND OF THE INVENTION
    [0002] An electronic device for personal care, in particular an electronic device used mainly for oral treatment, such as, for example, an electromechanical toothbrush, a light-emitting whitening device or a thermal system for teeth clarification, needs be activated to transfer the operation from the rest state or "off" to an active or "on" state. Typically, a consumer can activate these devices using a single key. The switch may comprise a mechanical button for terminating or closing an electronic circuit by inducing physical contact from an otherwise interrupted conduction path. The key may also comprise elements structured to detect the occurrence or absence of inductance, capacitance, external conductance, heat, light, sound (subsonic or ultrasonic vibration) or any external change of state. A single key is generally used for the purposes of simplicity, convenience, cost or industrial design. A key can cost less than two or more keys, the likelihood of a system failure decreases with the complexity and number of keys, and the complexity of the user interface can increase with the increase in the number of keys.
    [0003] The accidental or unintended activation of any mechanical equipment can result in several undesirable events, including, for example, loss of battery charge, wear and damage to the device, or even danger to people. Therefore, it is important to avoid such accidental or unintended activation. One method to reduce accidental activation of button-controlled heavy machinery is the use of two buttons connected to the activation circuit by means of a logic gate, such as an AND gate. Such an activation circuit requires the simultaneous pressing of two buttons to activate a primary electrical drive circuit of the machine. Positioning the two keys at such a distance that they cannot be reached by two fingers or a finger and a thumb of a single hand ensures that an operator's hands are not in close proximity to the machine during operation. Alternatively, the two switches can be placed in series to complete the driving path of the activation circuit.
    [0004] In the context of battery operated personal mouth care devices, the use of multiple keys to occupy the user's hands is typically not necessary for security reasons. On the other hand, in most cases, it is highly desirable to have a system that can be easily and instantly activated with a single hand, and, more typically, with a single finger or thumb, for example, by pressing a single button. However, the ease of activating a single button on a battery operated personal mouth care device has its downside. First, such a system may be prone to accidental activation, for example, during packaging, transportation and similar events. This leads to an undesirable drain of battery power. This can also lead to a mechanical problem, if the environment in which accidental activation occurred prevents the device from working according to design. In addition, accidental activation of a device can be dangerous for people, for example, in the hands of a child who is not physically or mentally prepared to handle the device properly and safely.
    [0005] Therefore, the present description is directed to a battery operated mouth treatment device that is conveniently activated with a single hand, and that, at the same time, prevents, or at least substantially reduces the likelihood of unwanted or accidental activation of the device. In particular, the present description is aimed at devices for oral treatment equipped with a motor in which the electrical energy is supplied by a primary or non-rechargeable battery cell, or by a rechargeable battery, and it is important to avoid accidental activation of the during transportation, storage, undesirable or unintended use. SUMMARY OF THE INVENTION
    [0006] A device for oral treatment comprises a functional element to perform at least one oral treatment function. The device has a body that houses a battery, which supplies energy to the functional element. The device has a first manual key and a second manual key, both arranged on the body at a distance from each other. The distance between the first and second hand keys, in combination with a body shape, is sufficient to prevent simultaneous activation of the first and second hand keys with a single consumer finger or thumb or a single substantially flat surface. Depending on the mode, the distance between the first manual key and the second manual key can be, for example, between about 5 mm and about 150 mm, about 10 mm and 100 mm, between about 20 mm and about 80 mm, between about 30 mm and about 70 mm, and between about 40 mm and about 70 mm.
    [0007] An electrical circuit, which incorporates the first and second manual switches inside, supplies battery power to the functional element. The first and second switches can be connected in parallel or in series, depending on a specific electrical configuration of the circuit. The electrical circuit is configured to cause the activation of the functional element only after the first manual switch and the second manual switch have been activated by a user.
    [0008] In one embodiment, at least one of the first and second manual keys is recessed within the body enough to prevent accidental activation of said at least one key by a substantially flat surface that presses against the body in an area adjacent to said at least one key. A recess shape, including a depth, can be configured taking ergonomic considerations into account. For example, the recess can have a radius of curvature, or an equivalent, from about 5 mm to about 30 mm. In another embodiment, the recess can have a depth of about 5 mm to about 30 mm.
    [0009] The body of the device can have a first side and a second side opposite the first side. In such an embodiment, the first manual key can be arranged on the first side, and the second manual key can be arranged on the second side. In one embodiment, the first manual key can be arranged in a first recess on the first side of the body, and the second manual key can be arranged in a second recess formed on the second side of the body. The first recesses can advantageously have at least one dimension (such as length, width or depth) that is greater than a corresponding dimension of the second recess. Such a configuration can be particularly beneficial in the device intended to be activated by a thumb and another finger of the user's hand, in which the first indentation can conveniently accommodate the thumb.
    [0010] In a device mode, one or both of the first and second manual keys can be structured as a push button configured to be pressed by a finger or thumb of the user in order to activate the device. A finger contact surface of the first hand key and / or the second hand key can have any suitable shape, preferably favorable from an ergonomic point of view. As used here, a finger contact surface includes a thumb contact surface. In one embodiment, at least one of the first and second hand keys has a concave finger contact surface. In another embodiment, at least one of the first and second hand keys has a concave finger contact surface.
    [0011] In one embodiment, the device for oral treatment is a teeth whitening device that comprises at least one light source structured and configured to provide illumination to the user's front teeth when activating the device. Such a teeth whitening apparatus may include an optical element that comprises an interface between the light source and the user's teeth. The optical interface can be advantageously structured and configured to provide substantially uniform illumination to the user's front teeth when activating the device. Examples of optical interface include transparent or translucent thermoplastics, transparent or translucent thermoplastic elastomers, transparent or translucent silicone rubbers, transparent or translucent glass and any combination thereof.
    [0012] The source or sources of light can be any suitable element, for example, light-emitting diodes, for example, in the infrared, visible or ultraviolet frequency range. Other suitable light sources, such as lasers in the infrared, visible or ultraviolet frequency range, can also be used, in various combinations, depending on the application.
    [0013] The teeth whitening apparatus may also include a structured dental tray configured to receive a teeth whitening composition. The dental tray can have a generally arched shape and configured to fit the user's front teeth.
    [0014] In one embodiment, the teeth whitening device comprises a structured timer to automatically deactivate the device after a predetermined period of time from the moment the device activation has expired. BRIEF DESCRIPTION OF THE DRAWINGS
    [0015] Although the specification concludes with claims that specifically indicate and distinctly claim the object that is considered to be the invention, the various modalities will be better understood from the description below considered in conjunction with the accompanying drawings, in which:
    [0016] Figure 1 is a schematic perspective view of an embodiment of a device for oral treatment.
    [0017] Figure 2 is a schematic plan view of the device shown in Figure 1.
    [0018] Figure 3 is a schematic plan view of another modality of the device for oral treatment.
    [0019] Figure 4 is a schematic plan view of yet another modality of the device for oral treatment.
    [0020] Figure 5 is a schematic side view of the device shown in Figure 4.
    [0021] Figure 6 is a schematic plan view of another modality of the device for oral treatment.
    [0022] Figure 7 is a schematic diagram of a modality of an electrical circuit that can be used in the device, in which the switches are in parallel.
    [0023] Figure 8 is a schematic diagram of a modality of an electrical circuit that can be used on the device, in which the switches are in series. DETAILED DESCRIPTION OF THE INVENTION
    [0024] A personal oral treatment device 10 of the description comprises a functional element 20 and a battery 30 that supplies energy to the functional element 20 to cause the functional element 20 to perform at least one oral treatment function. The device for oral treatment 10 can comprise any electrical or electromechanical device, such as, for example, a light emitting device for teeth whitening, a heat source for teeth clarification and the like. At least one oral treatment function can be selected from any known operation of these exemplifying devices, such as, for example, tooth brushing, teeth whitening, teeth clarification and the like. In an exemplary embodiment described here in detail, device 10 comprises a teeth whitening apparatus. The functional element 20 of the teeth whitening apparatus includes at least one light source structured and configured to provide illumination of the user's front teeth by activating the device 10.
    [0025] Light bleaching devices are known in the art. Examples include: US patent 6,416,319 B1, which refers to a teeth whitening device that has a light source; US patent 7,572,124 B2, which relates to a provision for use in bleaching a patient's teeth; US patent 2006/0019214 A1, which relates to a compact tooth whitening device; US patent 2010/0086891 A1, which refers to an apparatus for whitening teeth; US patent 2010/0151407 A1, which refers to mouthpieces that have activated textured surfaces; and US patent 2012/0009540 A1, which refers to a teeth whitening device that includes at least one LED and a removable mouthpiece.
    [0026] As shown in Figures 1 to 4, one embodiment of the device 10 comprises a body 11 which houses the battery 30 therein. The device 10 includes at least two manual keys 40 disposed in the body: a first manual key 41 and a second manual key 42. The keys 41, 42 are arranged at a distance D from each other. This distance D, in combination with a body shape 11, is calculated to prevent simultaneous activation of the first and second hand keys 41, 42 with a single finger or thumb of a user or a single substantially flat surface 90 (Figure 3) . This is designed to prevent accidental or unintended activation of the device 10. In a device embodiment, the distance D between the first manual key 41 and the second manual key 42 is 10 mm to 100 mm. In another embodiment, the distance D between the first manual key 41 and the second manual key 42 is 20 mm to 80 mm. In yet another embodiment, the distance D between the first manual key 41 and the second manual key 42 is 30 mm to 70 mm.
    [0027] Device 10 includes an electrical circuit 50 that supplies battery power 30 to functional element 20. The first and second keys 41 and 42 are naturally part of electrical circuit 50. Any suitable design of keys 41, 42 can be used in device 10. One or another switch 41, 42 may comprise, for example, a mechanical button that provides the termination or closure of electronic circuit 50 by inducing physical contact from an otherwise interrupted conductive path. One or another key 41, 42 may also comprise elements structured and configured to detect the occurrence or absence of inductance, capacitance, external conductance, heat, light, sound, ultrasonic or subsonic vibration or any other change in an external state.
    [0028] Any of the keys 41, 42 can be structured as a locking switch or a momentary switch. A latching switch is a key that requires a single temporary activation performed by a user to permanently change the state, but reversibly, from the ON (or closed) state to the OFF (or open) state. An example of a locking switch is the common household light switch used to turn the power on and off (110 VAC in the USA and 220 VAC in Europe) of a circuit that comprises a conductive path and one or more light bulbs. A locking switch is typically a simple mechanical system that usually does not require additional electronic elements for control or timing.
    [0029] A momentary switch is a switch that closes a conductive path only temporarily during some state activated by the user. It is often used for reasons of convenience, cost or industrial design when a locking switch may not be desired. A momentary switch may comprise, for example, a button that leaves an open conductive path in an electronic circuit during the "up" position and closes said conductive path when depressed, or during the "down" position. An example of a momentary switch is an elevator button that, when pressed, completes the conductive path that comprises a small ring of light around the button of the desired floor. The illuminated ring remains lit even when the button is released by the user. Such a switch can be combined with transistors, microcontrollers and other electronic elements to provide uninterrupted operation of an electronic device even when said switch is released to the "up" position. In this case, the transient switch controls an activation circuit that serves only to start - but not continue to drive - the primary drive electrical circuit. Advantages of a momentary key are the cost and simplicity of the individual key component design; however, in a system whose main drive electrical circuit needs to be active for more than a moment, or needs to be active while the switch is open, the electronic circuit required to connect the activation circuit to the main drive electrical circuit typically overlaps the cost or simplicity advantages of a momentary key.
    [0030] A primary disadvantage of both the momentary switch and the locking switch, which are designed to be activated by a user, is that they can be turned on accidentally, which often leads to an unintended activation of the electrical activation circuit and , consequently, of the functional element controlled by the electric drive circuit. For example, the button on an electromechanical toothbrush can be accidentally pressed while placing the loose toothbrush in a drawer in the bathroom. As additional examples, the activation button on a light-emitting device can be pressed through rough handling during transport, or as a result of falling or placing the device on a bathroom countertop surface, so that an impact resulting from a contact between the activation button and the surface causes the device to activate. Events like this are highly undesirable, as they can lead to unintended and wasteful battery consumption.
    [0031] In addition, accidental or involuntary activation of some electromechanical devices can cause discomfort, especially for children. For example, the intense light emitted by the teeth whitening device, in some cases, can be uncomfortable for the human eye, and particularly for the eyes of a child, who may not instantly understand the discomfort of prolonged exposure to such light. In cases where ultraviolet light, in particular, is emitted by a device, safety is of paramount importance, since the human eye cannot detect the presence of UV light, but the eye can be harmed by such light. Therefore, resources to mitigate the accidental discharge of UV light should be needed to ensure safe use. In such cases, a separate system, which includes light in the visible range, must be included in parallel with the UV light emitting system, to indicate the discharge of UV light when the device is in the "ON" state.
    [0032] Accidental activation of keys is not confined to keys activated by mechanical buttons. The switches can be activated by the occurrence or absence of inductance, capacitance, external conductance, heat, light, sound (or subsonic vibration or ultrasonic vibration), or any change in external state. The touchscreen on a modern cell phone is typically an array of capacitive elements that activate keys, said capacitive elements being sensitive to intentional activation by the touch of a finger or thumb or accidental activation by the touch of an ear lobe during conversational use.
    [0033] The electrical circuit 50 can be structured and configured to conduct the current path that drives the functional element 20 of the device 10. The electrical circuit 50 can comprise, for example, an electromechanical drive system for a toothbrush (not shown), or cause an emission of light from light emitting diodes (LEDs) from a teeth whitening device (Figures 1 to 4), or cause the generation of infrared heat in a heat system from a teeth whitening device. teeth. Any suitable configuration of electrical circuit 50 can be used in device 10. For example, Figure 7 shows a mode in which the first and second switches 41, 42 are included in parallel, while Figure 8 shows a mode in which the switches 41, 42 are included in series. Regardless of the specific electrical configuration, device 10 can be activated only when the first key 41 and the second key 42 are in the state of simultaneous activation requested by a user of device 10. The term "state of simultaneous activation" means that both the first as for the second key 41, 42 are in an ON state in any fraction of time, although the first key 41 can be started or activated (that is, touched or pressed) in a first instant, and the second key 42 can be started or activated (that is, touched or pressed) at a second time different from the first time.
    [0034] At least one of the two manual keys 41, 42 can advantageously be embedded within the body 11 enough to prevent accidental activation of said at least one key by a substantially flat surface 90 which presses against the body in an adjacent area to said at least one key. Such a configuration can be particularly beneficial in situations where the device is expected to be placed on a surface, such as, for example, a countertop surface in the bathroom, and the like, or when it accidentally falls on the floor. If the key 40 is recessed within the body 11 enough to avoid contact with the flat surface when the flat surface comes into contact with the body surrounding the key 40, accidental activation of the button is virtually excluded.
    [0035] In the embodiment of Figure 3, the first manual key 41 is arranged in a first recess 18 formed in the first side 15 of the body 11, and the second manual key 42 is arranged in a second recess 19 formed in the second side 16 of the body. 11. The first recesses 18 can advantageously have a suitable shape and at least one dimension (such as length, width or depth) that is greater than a corresponding dimension of the second recess 19. Such a configuration can be particularly beneficial in the device 10 intended for be activated by a thumb and another finger of a user's hand, where the first recess can conveniently accommodate the thumb.
    [0036] The person skilled in the art is capable of conceiving any number of specific modalities of the device 10 having two manual keys 40, as is disclosed in the present invention. The device 10 can have, for example, a first side 15 and a second side 16 opposite the first side 15, so that the first manual key 41 is arranged on the first side 15 and the second manual key 42 is arranged on the second side 16 , Figures 2, 5. In both exemplary modalities of Figures 2, 5, each of the first manual key 41 and the second manual key 42 is shown as a push button structured and configured to be pressed or otherwise moved by the a user's finger or thumb to activate device 10. But the person skilled in the art will readily recognize that any suitable hand switch design can be used on device 10, for example, touchscreen keys and buttons that comprise capacitor elements.
    [0037] In other modalities of the device 10, the manual keys 41, 42 can have any surface of contact with the finger, preferably favorable from an ergonomic point of view and / or pleasant from an aesthetic point of view for a user of the device. For example, at least one of the manual keys 41, 42 may have a finger contact surface that is concave (Figures 3, 6) or convex (Figures 2, 5).
    [0038] The teeth whitening apparatus may also have an optical interface 60 located between the light source and the user's teeth, and structured to provide substantially uniform illumination of the user's front teeth when the device is activated. The optical interface may comprise, for example, transparent or translucent thermoplastics, transparent or translucent thermoplastic elastomers, transparent or translucent silicone rubbers, transparent or translucent glass and any combination thereof, as is known in the art. The optical interface can be an integral part of the device 10 or can be incorporated into a replaceable mouthpiece 70, Figure 3, 4. The mouthpiece 70 can be structured and configured to assist a user in properly positioning the device in relation to the teeth of the user and give the optical interface a correct orientation in relation to the user's teeth for maximum whitening effect. The mouthpiece 70 may also comprise a dental tray 70 and may conveniently have a work surface that has a generally arched shape to approximately correspond to the total shape of the front teeth. Dental tray 70 can also be structured to contain a teeth whitening composition, as is known in the art. The teeth whitening composition can be a strip, a gel or a paste.
    [0039] In another embodiment, device 10 can be equipped with a structured timer to disable device 10 automatically after a predetermined period of time from the activation of the device.
    [0040] The dimensions and values disclosed in the present invention should not be understood as being strictly limited to the exact numerical values mentioned. Instead, except where otherwise specified, each of these dimensions is intended to mean both the mentioned value and a range of functionally equivalent values around that value. For example, a dimension described as "10 μm" is intended to mean "about 10 μm".
    [0041] Any document cited in the present invention, including any related reference, patent or application, is hereby incorporated in its entirety, by way of reference, unless expressly excluded or otherwise limited. The mention of any document is not an admission that it constitutes prior art in relation to any invention presented or claimed in the present invention, nor that by itself or in any combination with any other reference or references, it teaches, suggests or describes such invention . In addition, if there is a conflict between any meaning or definition of a term mentioned in this document and any meaning or definition of the same term in a document incorporated by reference, the meaning or definition assigned to that term in this document will take precedence.
    [0042] Although specific modalities of the present invention have been illustrated and described, it will be apparent to those skilled in the art that various other changes and modifications can be made without departing from the spirit and scope of the invention. It is intended, therefore, to cover in the appended claims all such changes and modifications that fall within the scope of the present invention.
    权利要求:
    Claims (15)
    [0001]
    1. Personal oral treatment device (10) comprising a functional element (20) and a battery (30) that supplies energy to it so that the functional element (20) performs at least one oral treatment function, characterized by the fact that it comprises: a body (11) that contains the battery (30); a first manual key (41) arranged on the body (11); a second hand key (42) disposed on the body (11) and at a distance (D) from the first hand key (41), where the distance (D) between the first and second hand keys (41, 42) is between 10mm and 100mm and where the first manual key (41) is arranged in a first recess (18) formed on a first side (15) of the body, and the second manual key (42) is arranged in a second recess (19) formed on a second side (16) of the body (11), the first side being opposite to the second side (16), and in which the first recess (18) has at least one dimension that is greater than a corresponding dimension of the second recess (19); and an electrical circuit (50) which supplies energy from the battery (30) to the functional element (20) and which includes the first and second hand switches (41, 42), in which the electrical circuit (50) is configured to cause the activation of the functional element (20) only after both the first manual key (41) and the second manual key (42) have been placed in a simultaneous activation state.
    [0002]
    2. Device (10), according to claim 1, characterized by the fact that at least one of the first manual key (41) and the second manual key (42) comprises a push button, in which at least one among the first hand key (41) and the second hand key (42) comprise a finger contact surface selected from a finger contact surface which is convex and a finger contact surface which is concave.
    [0003]
    Device (10) according to claim 1 or 2, characterized in that the first manual switch (41) and the second manual switch (42) are connected in series.
    [0004]
    4. Device (10) according to claim 1 or 2, characterized in that the first manual switch (41) and the second manual switch (42) are connected in parallel.
    [0005]
    5. Device (10) according to any one of the preceding claims, characterized in that the recesses (18, 19) have a radius of curvature from 5 mm to 30 mm.
    [0006]
    6. Device (10) according to any one of the preceding claims, characterized in that the recesses (18, 19) have a depth of 5 mm to 30 mm.
    [0007]
    Device (10) according to any one of the preceding claims, characterized by the fact that at least one dimension of the recesses (18, 19) is selected from the group consisting of depth, length and width of the recesses.
    [0008]
    8. Device (10) according to any one of the preceding claims, characterized in that the distance (D) between the first manual key (41) and the second manual key (42) is from 20 mm to 80 mm.
    [0009]
    9. Device (10) according to any one of the preceding claims, characterized in that the distance (D) between the first manual key (41) and the second manual key (42) is from 30 mm to 70 mm.
    [0010]
    10. Device (10) according to any one of the preceding claims, characterized in that the device (10) is a teeth whitening device comprising at least one light source, the functional element (20) being structured and configured to provide illumination to the user's front teeth when activating the device (10).
    [0011]
    11. Device (10) according to claim 10, characterized by the fact that the teeth whitening device additionally comprises an optical interface (60) between the light source and the user's teeth, the optical interface being (60) ) structured and configured to provide uniform illumination of the user's front teeth when activating the device (10).
    [0012]
    12. Device (10) according to claim 10 or 11, characterized by the fact that the light source is selected from the group consisting of light-emitting diodes in the infrared, visible or ultraviolet frequency range; lasers in the infrared, visible or ultraviolet frequency range and any combinations thereof.
    [0013]
    13. Device (10) according to claim 11 or 12, characterized in that the optical interface (60) is selected from the group consisting of transparent or translucent thermoplastics, transparent or translucent thermoplastic elastomers, transparent silicone rubbers or translucent, transparent or translucent glass and any combination thereof.
    [0014]
    Device (10) according to any one of claims 10 to 13, characterized in that the teeth whitening device additionally comprises at least one dental tray (70) which has an arcuate shape, the dental tray being (70) is structured to contain a teeth whitening composition and configured to fit the user's front teeth.
    [0015]
    Device (10) according to any of claims 10 to 13, characterized in that the teeth whitening device comprises a structured timer to automatically disable the device (10) after a predetermined period of time from activation of the device (10).
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    同族专利:
    公开号 | 公开日
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    PL3294204T3|2019-09-30|
    BR112017023907A2|2018-07-17|
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    法律状态:
    2020-05-12| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-12-22| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-03-02| 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 09/05/2016, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US14/713,794|2015-05-15|
    US14/713,794|US20160331487A1|2015-05-15|2015-05-15|Personal oral-care device|
    PCT/US2016/031417|WO2016186878A1|2015-05-15|2016-05-09|A personal oral-care device|
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