• 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 invention relates to a system (11) for information exchange, in particular a distance learning system, comprising a first and a second station (21, 41), wherein the first and the second station (21, 41) each comprise a display, a camera, a spacer and a communication device connected to the display and the camera. The two stations (21, 41) are adapted to transmit an image taken by the camera of the first station (21) by means of the communication devices from the first station (21) to the second station (41) and to the display of the second station (41) and, conversely, to transmit an image taken by the camera of the second station (41) to the first station (21) from the second station (41) by way of the communication means and display it on the display of the first station (21). In this case, both for the first station (21) and for the second station (41), the spacer for positioning both the display and the camera is formed at a distance from a working surface (37, 57), and the spacer for this A base (27, 47) for resting on or attaching to the work surface (37, 57) or other object and a support connected to the base (27, 47) for supporting or mounting both the display and the camera having.
    公开号:CH710672A1
    申请号:CH00215/15
    申请日:2015-02-18
    公开日:2016-08-31
    发明作者:Gök Metin
    申请人:Gök Metin；
    IPC主号:
    专利说明:

    Technical area
    The invention relates to a system for carrying out an information exchange, in particular for the company or school education, the participants in the exchange of information can be located in separate premises.
    State of the art
    Usually, at least one camera and a spatially separate display are required to issue distance learning, with the camera at the teacher's location, e.g. in a lecture hall, and the display at the place of the student, for example, in a study, are arranged. In order for the teacher to observe the pupil in the implementation of the learned, however, cameras and displays are often provided in both places.
    From US 2012 171 656 A1 (see also Fig. 1), for example, a mobile recording system for use in classrooms is known. This includes a computer and associated device with a camera. Said device comprises a multi-unit stand and at the upper end thereof a pivotable arm with a camera.
    Object of the invention
    It is an object of the present invention to provide an alternative system for information exchange, in particular for the purpose of training, which is preferably characterized by simplicity and low cost. In addition, a procedure for the exchange of information, in particular for the purpose of training, should be proposed. Further advantages and objects of the present invention will become apparent from the following descriptionPresentation of the invention
    The above object is achieved by a system for information exchange according to claim 1 and a method for information exchange according to claim 8.
    Disclosed is, inter alia, a system for information exchange, preferably a distance learning system, including a first and a second station, whereinthe first and the second station each have a display, a camera (possibly also focusable and / or with zoom function in order to be able to enlarge objects), a spacer and a communication device connected to the display and the camera,wherein the first and the second station preferably additionally comprise a microphone and / or a loudspeaker, which are also conveniently connected to the communication device, andthe two stations are designed and / or programmed to transmit an image taken by the camera of the first station by means of the communication devices from the first station to the second station and display on the display of the second station and one from the camera of the second station to transmit the captured image by means of the communication devices from the second station to the first station and display it on the display of the first station,wherein the two stations are preferably designed and / or programmed to transmit together with the image recorded by the camera the sound recorded by the microphone of the same station by means of the communication devices to the respective other station and output there through the loudspeaker, wherein the transmission and display or output of image and / or sound preferably takes place simultaneously and / or in real time,wherein for both the first station and the second station, the spacer for positioning both the display and the camera (and preferably also the speaker and / or the microphone) is formed at a distance from a work surface and the spacer to this purpose has a base for resting on or for attachment to the work surface or other object and a support connected to the base for supporting or fixing both the display and the camera (and preferably also the speaker and / or the microphone).
    Also disclosed is a method for exchanging information, preferably a distance learning method, in the implementation of which the described system is used for the exchange of information.
    [0008] Features will be described below, but these are (individually) considered to be preferred features, even if not explicitly designated as such. The features are separate (as part of any system or method) and, unless they are exclusive, disclosed in any combination. This includes the possibility of simultaneous realization of all described features.
    The system is particularly suitable for occupational and educational training. It can u.a. in assembling a product, for example, to explain operations and show at the same time by hand how to do them (e.g., how to glue something and in which order, etc.). At the same time, the trainer can check whether the trainee is performing the work correctly and can give him instructions ("In-house training"). The system can also be used for home office applications.
    The system includes a first and a second station. For example, the first station may be a station for a learner (e.g., a student, a student, a trainee, or an employee). For example, the second station may be a station for a teacher (e.g., a teacher, a professor, or an instructor, but also another student, student, or employee).
    The exchange of information about the distance education system can thus take place between students, apprentices or between employees. In doing so, they can assume both the role of the teacher and that of the learner, i. explain each other's facts. For example, if a student is When he realizes that he has not understood a point, he can contact one or more schoolmates. Instead of exchanging e-mails with copies, photos, etc., which is very time-consuming, the group of students can exchange their thoughts quickly and effectively through the system. Even a homework can be solved by students from home together.
    In the following, the term "user" is to be understood as a user of the system, regardless of its role in carrying out the method.
    The following information about a station or parts of a station relate - unless otherwise stated - to the first station and / or to the second station. If several parts of a station are mentioned, they are preferably parts of the same station. Of course, the system can also have more than two stations. Per station, a user is preferably provided for carrying out the method, but several users per station are possible.
    The station includes a display, a camera (possibly with focus function), a spacer and a communication device connected to the display and the camera, and optionally a speaker and a microphone.
    The spacer is formed for positioning both the display and the camera at a distance from a work surface. The spacer has for this purpose a base (eg in the form of a foot) for resting on or for attachment to the work surface or other object (eg a piece of furniture located next to the work surface or a wall) and a support connected to the base for support or for (preferably simultaneous) mounting of both the display and the camera.
    The base may be attached to the work surface or other object by a fastener, e.g. a clamp or a magnet.
    The distance can be set or selected from the work surface to the user's eye level (teacher, learner, etc.) for individual viewing or working comfort. It is advantageous if the user, without having to move his head (for example, nod), can keep an eye on both the demonstration object (see below) or the work surface and the display by eye movements alone. When using a normal laptop or desktop computer and a camera (cf state of the art according to Fig. 1), this alone can not be accomplished comfortably with eye movements. The eye level varies from person to person, therefore one could say that the distance is e.g. between a hand width and an arm length can be. An advantageous value for the distance is 10 to 100 cm.
    The distance can be fixed or changeable. For example, the base can be connected to the holder via a movable arm, which enables the change of the distance.
    The spacer may be collapsible or collapsible and / or portable and / or hand-operated and / or lighter than 10,5,1 or 0.3 kg trained.
    In one embodiment, both the display and the camera are held on the holder and / or they rest on the holder.
    According to a variant embodiment, the display and / or the camera (individually or jointly) can be made removable from the spacer and / or from the holder.
    According to a possible variant of the spacer may be a table, the holder in this case would preferably be a table top of the table. The table can have 1,2,3,4 or more legs.
    A maximum distance between two legs of the table may advantageously be at least 30.40, or 50 and / or at most 120.100 or 90 centimeters and / or chosen so that the user can grasp with both arms under the table top and work there , The length of the legs may e.g. the distance between the bracket (or the display or the camera) and the work surface (see below) described in this document.
    It is preferred if the table top has an opening (for example in the form of a hole in the table top which is bounded on all sides by the table top or in the form of a recess, for example on the edge of the table top) or a transparent area. It is also possible that the table top is substantially transparent. The opening or the transparent area are advantageously larger than the diameter of a camera lens of the camera. This allows the camera to be placed above the opening or transparent area (i.e., on the tabletop side opposite the base and / or the work surface), e.g. resting on the table top.
    According to a variant, the spacer may also be formed (preferably in section) substantially Z-shaped or U-shaped and / or substantially in the form of a cylinder having a Z-shaped or U-shaped base.
    It may be convenient if the spacer has 3 or more (e.g., substantially plate-shaped or rod-shaped) links which are hinged or rigidly connected together. Preferably, the angle between two interconnected members is changeable and / or fixable or unchangeable. A terminal member may then be e.g. be pushed under a stack of books to fix the spacer in position. The other terminal member may then form the holder, wherein the terminal members are connected via one or more further members. Alternatively, a terminal member, e.g. if it is in the form of a plate, resting on a working surface, while the other terminal member is positioned above the first terminal member and connected thereto by one or more further links. Then, e.g. a book or other demonstration object is placed on the member resting on the work surface, which can then optionally be transported with the spacer, e.g. a student (or user) needs to change the room.
    Regardless of the configuration of the spacer, it is advantageous if the holder can be arranged at a distance from the base (and / or the working surface), which allows a user of the system and / or the method, his hands and / or moving arms (in whole or in part) under the support and / or between the support and the base (and / or work surface) to alter the demonstration object. The spacer may be configured to maintain the display and the camera at a distance from the work surface that is at least 5.10 or 15 centimeters and / or at most 70, 50, 40 or 30 centimeters and / or at a distance apart the display comes to rest at most at eye level or frontal height of the user (ie not higher and remains visible to the user), the distance can be set or selected according to individual Seh- or working comfort.
    It can be provided that the display, when it is held by the holder, is oriented substantially horizontally or at an angle to the horizontal of less than 60 or 30 degrees. A described maximum distance may then preferably make it possible for the display also to be visible to a user working with his or her hands and possibly underarms between the work surface and the holder.
    In addition, the station may comprise a microphone and / or a speaker, which are preferably connected to the communication device.
    The two stations may be configured and / or programmed to receive the sound received by the microphone of the first station (eg, a sound wave, a sound, a sound, a sound, and / or a sequence of one or more of the foregoing, eg, in FIG the form of speech or music) by means of the communication means from the first station to the second station and output via the loudspeaker of the second station and / or the sound picked up by the microphone of the second station (see above) by means of the communication means from the second one Station to the first station and output via the loudspeaker of the first station.
    If it is mentioned that an image, an image sequence or sound is transmitted by the communication devices, then it is preferably to be understood that the transmission takes place in analog or digital form and / or in the form of image information and / or sound information ,
    The communication device can therefore be designed for the transmission of image and / or sound information.
    According to a variant, the display and the camera can be firmly and / or permanently connected to each other. Optionally, it may also apply to the microphone and / or the speaker.
    It can be provided that the distance between the display and the camera is fixed.
    Preferably, the display and the camera are aligned in opposite directions and / or have opposite directions in opposite directions.
    The camera can be advantageously arranged on the rear side (ie on the non-display page) of the display.
    Particularly preferably, the display and the camera are designed as parts of the same portable computer, in particular the same smartphone or the same tablet computer.
    It may be provided that in addition to the camera described as part of the station (in particular as part of the same portable computer), a further camera is provided, which is aligned in the opposite direction. It may then optionally be possible to switch between the two cameras in terms of the images transmitted to the other station, e.g. with a finger pressure. This allows face-to-face communication between the users of the stations.
    In particular, if it is provided that the distance between the display and the camera and / or their relative orientation are unchangeable, it may be advantageous if the station has a reflector, in particular a mirror. The reflector is preferably substantially planar.
    The reflector is advantageously designed and / or arranged so that light from the work surface and / or the demonstration object (see below) is deflected by the reflector to the camera and in the camera an image of the work surface and / or Demonstration object (see below) generated.
    An angle and / or the orientation of the reflection surface relative to the working surface and / or relative to the holder may be formed changeable or unchangeable.
    The two stations can be designed and / or programmed to transmit (preferably in real time) an image sequence recorded by the camera of the first station by means of the communication devices from the first station to the second station and on the display of the second station to display and transmit (preferably simultaneously and / or in real time) an image sequence recorded by the camera of the second station by means of the communication devices from the second station to the first station and display on the display of the first station.
    Further, a method for information exchange is disclosed, which is characterized by the use of the system described in this document.
    The first station and the second station are advantageously spatially separated, for example, arranged in different rooms and / or buildings.
    It can be provided that both the display and the camera are positioned by the spacer in each case at a distance from the work surface, as described above (cf., distance between on the one hand the holder and / or the camera and / or the display and the work surface above).
    Between the work surface and the camera, a demonstration object, for example, a writing medium, (in particular resting on the work surface) or be arranged. The camera is or is aimed at the demonstration object and the display is or is preferably directed away from the work surface and / or the demonstration object.
    The demonstration object may preferably be an information-bearing object which has outwardly visible or displayable information that is preferably changeable. For example, the demonstration object may be a sheet of paper, a portable computer (e.g., a (further) tablet computer, a smartphone, etc.) or a product or work piece intended to convey learning content.
    It is envisaged that in the process (preferably in real time) one (or one) of the. Camera of the first station recorded image (or image sequence) transmitted by the communication means from the first station to the second station and displayed on the display of the second station. Advantageously (preferably simultaneously and / or in real time), an image (or image sequence) taken by the camera of the second station is transmitted from the second station to the first station by means of the communication devices and displayed on the display of the first station. The transmission of the image or image sequence can additionally take place using one and / or via a communication network (for example an intranet or the Internet).
    As described in connection with the system, the stations may each comprise a microphone and a speaker. It is then of advantage if, as part of the process, the recording, transmission and output of sound described is intended, conveniently in the same way as described for the images, i. in both directions (from the first to the second station and vice versa) and / or simultaneously and / or in real time.
    In the method, a continuous recording, transmission and output (or display) of image and / or sound as described above during a period of at least 5,10,30 or 60 minutes and / or at most 24,12, 6 or 3 hours be provided.
    The demonstration object to which the camera of the first station is preferably directed may be optically (i.e., its appearance) changed. For example, a learning content or a product present on a piece of paper may be changed.
    Conveniently, the appearance of the demonstration object is changed during the recording of the image sequence.
    According to one embodiment, for example, an image sequence recorded by the camera of the first station (containing a first demonstration object) can be displayed in real time on the display of the second station, and at the same time an image sequence (containing a second demonstration object) can be displayed on the display of the first station in real time.
    Two users, one each sitting at one of the stations, may e.g. each work together using a writing pad and exchange information. For example, such an in-house training can be carried out.
    Actions disclosed in the form of aptitudes, capabilities, characteristics or functions of the system (or parts thereof) described herein are also disclosed (independently and in any combination) as method steps of the learned method, and depending regardless of the system or part of a system.
    It is also the use of features of the described system or system parts (independently and in any combination) as a method steps of the method disclosed.
    Conversely, the disclosed system or disclosed parts of the system may comprise means capable of and / or adapted to one or more of the method steps mentioned in connection with the disclosed method.
    Brief description of the drawings
    It shows in a schematic, not true to scale representation:<Tb> FIG. 1 <SEP> Classroom recording system according to the prior art;<Tb> FIG. 2 <SEP> Design variant of a distance learning system with two stations.
    Embodiment of the invention
    The invention will be explained by way of example with reference to the drawings.
    Fig. 1 shows a mobile recording system for use in classrooms according to US Patent Application No. 2012 171 656 A1. This includes a computer 201 and a device connected thereto via a USB connection 208 with a camera 202. Said device 202 comprises a multi-unit stand with an upper 205, middle 206 and lower 207 part, wherein a pivotable to the upper part 207 Holding arm 204 connects with a camera.
    Fig. 2 illustrates an embodiment variant of a distance learning system 11 according to the invention with a first station 21 and a second station 41, wherein systems of the type described in this document can, of course, also have more than two stations.
    The stations 21, 41 are spatially separated, e.g. arranged in different buildings and / or rooms or in different parts of the same room.
    Each of the two stations 21, 41 has a spacer (here in the form of a table). The spacer comprises a holder 29, 49 (here in the form of a table top) and a base 27, 47 (here in the form of table legs) which are directly or indirectly connected to each other.
    The base 27, 47 is used in the present case, the support on a work surface 37, 57 on each of which a demonstration object 35, 55 (here in the form of a writing pad) is arranged.
    Each station 21, 41 has a camera and a display, which in the present case are each parts of a tablet computer 31, 51. The holder 29, 49 is adapted to carry both the display and the camera and to keep at a distance from the work surface 37, 57. The distance should be such that a user (eg, teacher 43, student 23) can move his or her hands and / or forearms between the work surface 37, 57 and the camera and / or display visually around the demonstration object 35, 55 there to change.
    If the display and the camera of the same station 21, 41 are aligned relative to each other that the viewing direction of the display of the recording direction of the camera corresponds, it may be useful if the described distance is not too large, so the display at most Eye level or forehead height of the user is maintained so that the display remains visible to the person.
    In order to carry out a method for exchanging information, images of the demonstration objects 35, 55 recorded between the stations 21, 41 are exchanged in real time by the cameras. A teacher 43 may thus change a demonstration object 55 at the location of the second station 41, e.g. attach a drawing on a writing pad, this change being brought to the attention of a student 23 who is at the location of the first station 21.
    The tablet computer 31, 51 (or alternatively a smartphone) rests on the holder 29, 49, wherein the holder 29, 49 (in the form of a table top) has a hole or a transparent area over which the camera is arranged is and by which the light from the demonstration object 35, 55 can reach the camera (the holder 29, 49 could be wholly or partly made of glass or of another transparent material). The camera is thus able to take an image of the demonstration object 35, 55 located in its detection area and by means of a communication device, which is also part of the station 21, 41 (in the present case as part of the tablet computer 31, 51), to the other station 21, 41 to transmit and display there on the display. The recording by the camera and the display on the display are conveniently done in real time, but it is also a delayed display possible.
    To enable interactive information exchange, e.g. a teaching, it makes sense when the two stations 21, 41 are programmed and / or trained to display in real time the captured by the camera of the first station 21 image (or image sequence) on the display of the second station 41 and to display the image (or image sequence) taken by the camera of the second station 41 on the display of the first station 21. Thus, both the teacher 43 and the student 23 can follow in real time what the other person is doing.
    It can additionally be provided that the two stations 21, 41 are programmed and / or formed simultaneously with the display described above the image (or image sequence) recorded by the camera of the first station 21 on the display of the first station 21 and / or display the image (or image sequence) taken by the camera of the second station 41 on the display of the second station 41. This makes it possible for the users, i. in the present case, the teacher 43 and the student 23, do not have to turn their eyes away from the display to control what they do themselves.
    The display of a station 21, 41 may optionally (and regardless of the configuration of the station) each be divided into a first display area 33a, 53a and a second display area 33b, 53b. The first display area 33a, 53a may be configured to display the image (or image sequence) transmitted from the other station (see above), while the additional second display area 33b, 53b may be configured to display the image (or image sequence) captured by the camera associated with the same station as the display with the corresponding display area. In this way, the user does not need a clear view of the demonstration object or does not have to look away from the display to view the demonstration object, as this is additionally displayed on the display.
    The communication devices of the two stations 21, 41 are expediently designed to transmit at least image information from the camera of the first station 21 to the display of the second station 41 and from the camera of the second station 41 to the display of the first station 21 and / or programmed. The first and / or second station 21, 41 may additionally comprise a microphone and / or a loudspeaker, wherein the communication devices then expediently for the transmission of sound information from the microphone of the first station 21 to the loudspeaker of the second station 41 and / or the microphone of the second Station 41 may be formed on the speaker of the first station 21 and / or programmed. In this way it is possible for the student 23 and the teacher 43 to talk during the lesson (exchange of information).
    LIST OF REFERENCE NUMBERS
    [0073]<Tb> 201 <September> Computers<tb> 202 <SEP> Device with a camera<Tb> 203 <September> Camera Housings<tb> 204 <SEP> swivel arm for camera<tb> 205 <SEP> upper part of the camera stand<tb> 206 <SEP> middle part of the camera stand<tb> 207 <SEP> lower part of the camera stand<Tb> 208 <September> USB connection<Tb> <September><tb> 11 <SEP> system (distance learning system)<tb> 21 <SEP> first station<tb> 23 <SEP> Student (first user)<tb> 23 <SEP> 27 Base<Tb> 29 <September> bracket<Tb> 31 <September> tablet computer<tb> 33a <SEP> first display area<tb> 33b <SEP> second display area<Tb> 35 <September> demonstrator<Tb> 37 <September> workspace<tb> 41 <SEP> second station<tb> 43 <SEP> Teacher (second user)<Tb> 47 <September> Base<Tb> 49 <September> bracket<Tb> 51 <September> tablet computer<tb> 53a <SEP> first display area<tb> 53b <SEP> second display area<Tb> 55 <September> demonstrator<Tb> 57 <September> workspace
    权利要求:
    Claims (10)
    [1]
    An information exchange system (11), in particular a distance learning system, comprising first and second stations (21, 41), wherein- The first and the second station (21, 41) each have a display, a camera, preferably with zoom function, a spacer and a communication device connected to the display and the camera, and- The two stations (21, 41) are designed and / or programmed to transmit an image taken by the camera of the first station (21) by means of the communication devices from the first station (21) to the second station (41) and on the display of the second station (41) and to transmit an image taken by the camera of the second station (41) by means of the communication means from the second station (41) to the first station (21) and on the display of the first station (41). 21),- characterized in that, for both the first station (21) and the second station (41), the spacer for positioning both the display and the camera is formed at a distance from a work surface (37, 57) and the spacer for this purpose, a base (27, 47) for resting on or for attachment to the work surface (37, 57) or other object and with the base (27, 47) connected support for supporting or fixing both the display as well as the camera.
    [2]
    2. System according to claim 1, characterized in that for the first and / or the second station (21, 41) is that the spacer is a table, wherein the holder is a table top of the table and the table top an opening or a transparent Area, wherein the opening or the transparent area is greater than the diameter of a camera lens of the camera.
    [3]
    3. System according to one of the preceding claims, characterized in that for the first and / or the second station (21, 41) applies that the display and the camera are permanently connected to each other.
    [4]
    4. System according to one of the preceding claims, characterized in that for the first and / or second station (21, 41) that the display and the camera are aligned in opposite directions, the camera preferably on the rear side of Displays is attached.
    [5]
    5. System according to one of the preceding claims, characterized in that the two stations (21, 41) are designed and / or programmed to real-time recorded by the camera of the first station (21) image sequence by means of the communication means of the first Station (21) to the second station (41) and to display on the display of the second station (41) and at the same time in real time recorded by the camera of the second station (41) image sequence by means of the communication means of the second station (41) to transmit to the first station (21) and display on the display of the first station (21)
    [6]
    6. System according to any one of the preceding claims, characterized in that- The first and the second station (21, 41) each have a speaker and a microphone, and- The two stations (21, 41) are designed and / or programmed to transmit an acoustic signal received by the microphone of the first station (21) by means of the communication means from the first station (21) to the second station (41) and via the loudspeaker of the second station (41) and to transmit an acoustic signal recorded by the microphone of the second station (41) by means of the communication devices from the second station (41) to the first station (21) and via the loudspeaker of the first station ( 21),- Wherein the transmission of the acoustic signals preferably takes place substantially at the same time as the transmission of the images.
    [7]
    7. System according to one of the preceding claims, characterized in that for the first and / or second station (21, 41) that the display and the camera of the station (21, 41) as parts of the same portable computer (31, 51 ), in particular the same smartphone or the same tablet computer (31, 51) are formed.
    [8]
    8. A method for the information exchange, in particular distance learning method, characterized in that it is carried out with a system (11) according to one of claims 1 to 7.
    [9]
    9. The method according to claim 8, characterized- that for the first and the second station (21, 41) is that both the display and the camera are positioned by the spacer at a distance from the working surface (37, 57) that between the work surface (37, 57 ) and the camera is a demonstration object (35, 55), such as a writing medium, is arranged, and that the camera is directed to the demonstration object (35, 55) and the display is directed away from the work surface (37, 57), andIn real time, an image sequence recorded by the camera of the first station (21) is transmitted from the first station (21) to the second station (41) by means of the communication devices and displayed on the display of the second station (41) and simultaneously in real time transmitted by the camera of the second station (41) image sequence by means of the communication means of the second station (41) to the first station (21) and displayed on the display of the first station (21).
    [10]
    10. The method according to any one of claims 8 or 9, characterized in that the demonstration object (35, 55), to which the camera of the first station (21) is directed, is optically changed.
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    同族专利:
    公开号 | 公开日
    WO2016131507A1|2016-08-25|
    CH710672B1|2016-10-14|
    US20180033326A1|2018-02-01|
    EP3259747B1|2021-09-22|
    EP3259747A1|2017-12-27|
    US10565890B2|2020-02-18|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US5239373A|1990-12-26|1993-08-24|Xerox Corporation|Video computational shared drawing space|
    EP0626636A2|1993-03-16|1994-11-30|Hitachi, Ltd.|Information processing system|
    WO2009058641A1|2007-11-01|2009-05-07|Cisco Technology, Inc.|Virtual table|
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    US9830831B2|2011-01-05|2017-11-28|Pathway Innovations And Technologies, Inc.|Mobile handwriting recording instrument and group lecture delivery and response system using the same|
    US20150077614A1|2013-08-16|2015-03-19|Simon P King|Rotate-pan-tilt camera for videoimaging, videoconferencing, production and recording|
    US20160049082A1|2014-08-14|2016-02-18|Albert Roy Leatherman, III|System for Interactive Online Instruction|US20170039867A1|2013-03-15|2017-02-09|Study Social, Inc.|Mobile video presentation, digital compositing, and streaming techniques implemented via a computer network|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    CH00215/15A|CH710672B1|2015-02-18|2015-02-18|Method and system for exchanging information.|CH00215/15A| CH710672B1|2015-02-18|2015-02-18|Method and system for exchanging information.|
    EP15804699.5A| EP3259747B1|2015-02-18|2015-11-24|Method and system for exchanging information|
    PCT/EP2015/077419| WO2016131507A1|2015-02-18|2015-11-24|Method and system for exchanging information|
    US15/551,153| US10565890B2|2015-02-18|2015-11-24|Method and system for information exchange|
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