KR20080107236A - Display apparatus and method for location recognition - Google Patents

Display apparatus and method for location recognition Download PDF

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Publication number
KR20080107236A
KR20080107236A KR1020070087282A KR20070087282A KR20080107236A KR 20080107236 A KR20080107236 A KR 20080107236A KR 1020070087282 A KR1020070087282 A KR 1020070087282A KR 20070087282 A KR20070087282 A KR 20070087282A KR 20080107236 A KR20080107236 A KR 20080107236A
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KR
South Korea
Prior art keywords
tag
external device
position
location
information
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KR1020070087282A
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Korean (ko)
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KR101204794B1 (en
Inventor
양필승
한국현
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삼성전자주식회사
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Priority to KR20070055263 priority
Application filed by 삼성전자주식회사 filed Critical 삼성전자주식회사
Priority claimed from US11/967,355 external-priority patent/US9507375B2/en
Publication of KR20080107236A publication Critical patent/KR20080107236A/en
Application granted granted Critical
Publication of KR101204794B1 publication Critical patent/KR101204794B1/en

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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00Digital computers in general; Data processing equipment in general
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements

Abstract

A display apparatus and a location recognition method thereof are provided to recognize the location of an external device by using a tag. Tags which are prepared at a display unit(110) have different kinds of identification, and a location information storage(130) stores the location information of each tag. A controller(120) determines the location of an external device by comparing the identification with the location information stored at the location information storage.

Description

Display Apparatus and Method for location recognition

The present invention relates to an interface of a display device, and more particularly, to a display device and a method capable of recognizing a location of external devices such as a mobile phone, a digital camera, a camcorder, and personal digital assistants (PDAs).

In the conventional display technology, an external device is recognized using radio frequency identification (RFID) technology, a camera, and a global positioning system (GPS) principle. Specifically, the RFID technology uses a radio reader to identify a thin flat tag attached to an object in a non-contact manner through a radio signal and to perform a system reading and decoding function for processing information, and a radio wave having a built-in unique information. It consists of an RFID tag, operating software and a network. The reader is installed outside the display device and the RFID tag is attached to the external device to recognize the ID of the external device. In the case of a table display, a camera is used to recognize the position of an external device by attaching a camera to the bottom or top of the display. Using the principle of GPS, the GPS receiver measures the exact time and distance from three or more measuring devices and calculates the current position according to the triangulation method of three different distances. have.

However, according to the prior art, when installing a reader such as an RFID on the outside of the display device, there is a problem in that the location is unknown only by knowing that there is an external device having a predetermined ID in front of the display. Although it is possible to know the position of, the image processing through the camera (Image Processing) is used, so there is a problem that the recognition rate decreases depending on the conditions and requires a lot of processing power, using the principle of GPS is located in a small space such as a display device There is a problem that the error becomes large and the device becomes complicated and the cost increases in implementation.

An object of the present invention for solving the above problems is to provide a location recognition display device and a location recognition method that can recognize the location of an external device using a tag on the display.

One feature of the present invention for achieving the object of the present invention is a position-aware display device that can communicate with an external device having a tag reader, the display unit; A plurality of tags provided in the display unit, each tag having a different ID; A location information storage unit which stores location information of each tag; And a control unit for determining the location of the external device by comparing the ID with the location information stored in the location information storage unit when the ID of the tag recognized by the external device is received from the external device.

The tag is preferably located at the front or rear of the display unit.

When there are a plurality of received IDs, the controller may determine the location of the external device as a center location between the corresponding tags based on the plurality of IDs and location information stored in the location information storage unit.

The apparatus may further include a communication unit configured to communicate with at least one of wired and wireless devices.

The display unit may further include a touch screen panel for sensing a user input.

When the ID is received from the external device and the touch screen panel detects at least one input, the controller determines the location of the tag based on the received ID and location information stored in the location information storage unit. Preferably, the position of the external device is determined as the position closest to the position of the corresponding tag among the positions detected from the touch screen.

When the received IDs are plural, the center positions of the corresponding tags are determined based on the plurality of IDs and the position information stored in the position information storage unit, and the positions are closest to the center positions among the positions detected from the touch screen. It is desirable to determine the location of the external device.

The controller may determine the direction of the external device at the determined position of the external device based on the location area information detected by the touch screen.

A tag writer capable of recording predetermined information in the tag; And a tag antenna enabling communication between the tag and the tag writer.

Another aspect of the present invention is a position-aware display device capable of communicating with an external device having a tag reader, comprising: a display unit; A plurality of tags provided in the display unit, each tag having different location information; And receiving the location information of the tag recognized by the external device from the external device, and including a control unit to determine the location of the external device based on the location information.

Another aspect of the present invention provides a method for recognizing a location of an external device having a tag reader, the method comprising: receiving an ID recognized by the external device; And determining the location of the external device based on the received ID and location information corresponding to the ID.

According to still another aspect of the present invention, there is provided a method of recognizing a location of an external device having a tag reader, the method comprising: detecting an input by a display unit including a touch screen panel; Receiving an ID recognized by the external device; The location of the tag is determined based on the received ID and location information corresponding to the ID, and the location of the external device is determined as the location closest to the location of the tag among the location coordinates detected from the touch screen.

The calculating and determining the location of the external device may include: determining a center location of corresponding tag coordinates based on the ID and location information corresponding to the plurality of IDs when the IDs are plural; Mapping between the center positions of the tag coordinates and the position coordinates detected on the touch screen closest to each other; Preferably, the mapped coordinates are determined as the location of the external device.

Another aspect of the present invention is a position-aware display device capable of communicating with an external device having a tag reader, comprising: a display unit; A plurality of tags provided in the display unit; A tag writer capable of recording predetermined information including location information in the tag; And a controller configured to determine the location of the external device according to the predetermined information when the external device recognizes the predetermined information recorded in the tag by the tag writer and receives the predetermined information from the external device. It is preferable.

The tag is preferably located on the back of the display.

Preferably, the tag antenna further includes a tag antenna for enabling communication between the tag and the tag writer.

The tag writer and the tag antenna are preferably located at the rear of the display unit.

Preferably, the predetermined information is text information.

According to still another aspect of the present invention, in a method of recognizing a location of an external device having a tag reader, when a predetermined information is displayed on a display unit, a tag writer displays the predetermined information and the location information where the predetermined information is located. Writing to the tag together; Receiving the information recognized by the external device; And determining the location of the external device according to the received information.

When the predetermined information is displayed on the display unit, the tag writer records the predetermined information and the location information where the predetermined information is located in the tag together when the predetermined information is displayed on the display unit. It is preferable that the tag writer records the predetermined information and the position information where the predetermined information is located in the tag through the tag antenna.

As described above, according to the present invention, there is provided a position recognition display apparatus and method for real-time recognition of the position of external devices on a display. This enables the interaction between each external device and the display device. The present invention is very easy to implement and very economical in terms of cost. In addition, it can be usefully applied to web appliances having a simple & adaptive interface in the future and to a wall display in the future. In addition, by writing simple text information in a tag, the external device can use the information without reprocessing.

With reference to the accompanying drawings will be described a preferred embodiment of the present invention.

1 is a block diagram illustrating a display apparatus according to an exemplary embodiment of the present invention.

Referring to FIG. 1, the display apparatus 100 includes a display 110, a controller 120, a location information storage 130, and a communication unit 140, and the display unit includes a tag 111.

Tag is a kind of automatic recognition (AIDC) technology. It is a technology that reads data stored in electronic tag embedded with Micro-chip non-contact by using radio frequency. Tag semiconductor chip and antenna transmits this information wirelessly from several meters to several tens of meters, and reader receives this information. Decrypt An electronic tag (Tag) is a very small chip having information accumulation and transmission functions and contains predetermined detailed information, and transmits embedded information upon receiving a radio frequency (RF) signal. The tag is not limited to an electronic tag, and may be formed in various forms as long as only an ID such as an electronic tag and an image tag can be distinguished. The plurality of tags 111 according to the present invention each include a different ID. ID is a unique identification number of the tag. The location information storage unit 130 stores the location information of each tag. The location information is information about corresponding coordinates at which position in the display unit the tag is provided. When the ID is received from the external device 220 having the tag reader, the controller 120 determines the location of the external device based on the ID and the location information stored in the location information storage unit. When the external device 220 provided in the display unit approaches, the external device reads data regarding an ID of a tag. The external device transmits the read ID of the tag to the display apparatus 100. The controller 120 of the display apparatus 100 determines the location of the corresponding electronic tag according to the received ID of the tag and the location information stored in the location information storage unit, and then determines the location as the location of the external device.

The arrangement of the tags will be described with reference to FIG. 2 shows a display unit according to an embodiment of the present invention. Referring to FIG. 2, n tags may be disposed on the front or rear surface of the display unit. A transparent tag such as an image tag may be disposed on the front side, and may be disposed without limitation on the back side. The tags may be arranged at intervals, and the larger the number of tags, the more accurately the position of the external device can be recognized. The external device 220 includes a tag reader and a communication unit. The external device 220 may be a CE (Consumer Electronics) device that can communicate with a mobile phone, an MP3P (MP3 Player), a portable multimedia player (PMP), and the like, but is not limited thereto. The tag reader may change the signal coming from the tag or verify the signal of the data and store it in a memory, which is a storage device, and transmit it later if necessary. Currently, mobile phones including tag readers are released. The communication unit may transmit the ID recognized from the tag to the display device together with the information unique to the external device.

Also, the external device may recognize a plurality of tags simultaneously or sequentially if the tags are at a recognizable distance. When the external device recognizes and transmits the plurality of IDs, the display device receives the plurality of IDs. In this case, the controller determines the location of the external device as a center location between the corresponding tags based on the plurality of IDs and location information stored in the location information storage unit. For example, referring to FIG. 2, when the external device 220 recognizes the tag 1211 and the tag 2212 and transmits the IDs of the tags to the display device, the display device displays the tag 1211. And the ID of tag 2212. In this case, the controller determines the center positions of the positions of the tag 1211 and the tag 2212 based on the position information stored in the position information storage unit, and assumes that the external apparatus is located at the center position of the external apparatus. The location will be determined.

Each of the tags 111 may include its own location information. In this case, when the location information is received from the external device 220 having the tag reader, the controller 120 determines the location of the external device based on the location information.

The communication unit 140 receives an ID recognized by the external device from the external device.

The above description assumes determining the position of a single external device. The external device has information unique to the external device and can transmit its own information with the recognized ID. The information unique to the external device may include information for determining what device the external device is (for example, a mobile phone, an MP3P, a PMP, etc.). When a plurality of external devices are located in the display device, the unique information of each external device is received and the location of the single external device is determined according to the location of only the corresponding tags having the unique information of the same external device. When a plurality of IDs are received by performing a process of determining the location, a plurality of IDs may be determined by a single external device or by a plurality of external devices, and the location may be determined.

3 is a block diagram illustrating a display device according to another exemplary embodiment of the present invention.

Referring to FIG. 3, the display apparatus 300 includes a display unit 310, a controller 320, a location information storage unit 330, and a communication unit 340, and the display unit includes a tag 311 and a touch screen panel ( 312). Since the display unit 310, the tag 311, and the communication unit 340 according to the present exemplary embodiment are similar to those of the above-described exemplary embodiment, duplicate descriptions thereof will be omitted.

The display unit 310 includes a touch screen panel 311. The touch screen panel senses a user's input to an external device. In the present invention, it is preferable to use a multi-touch screen. The ID may be received from the external device, and the touch screen panel may detect at least one input. The touch screen panel may detect one or more inputs. For example, an input may be detected by two or more of a user's finger while touching an external device. In this case, when detecting an input other than the external device, the location of the external device may be incorrectly determined. In order to solve this problem, the controller determines a location of the tag based on the received ID and location information stored in the location information storage unit, and the external location is the closest to the location of the tag among the locations detected from the touch screen. It is desirable to determine the location of the device.

In addition, the external device may recognize a plurality of tags simultaneously or sequentially if the tags are within a recognizable distance. When the external device recognizes and transmits the plurality of IDs, the display device receives the plurality of IDs. In this case, the controller determines a center position between the corresponding tags based on the plurality of IDs and location information stored in the location information storage unit. For example, referring to FIG. 4, when the external device 420 recognizes the tag 1 411 and the tag 2 412 and transmits the IDs of the tags to the display device, the display device is connected to the tag 1 411. ID of tag 2 (412) is received. In this case, the controller determines the center position between the positions of the tag 1 411 and the tag 2 412 and then determines the center position. Thereafter, it is preferable to determine the position of the external device as the position closest to the center position among the positions detected from the touch screen.

Each of the tags 311 may include its own location information. In this case, when the location information is received from the external device 420 having the tag reader and the touch screen panel detects one or more inputs, the controller 320 determines the location of the corresponding tag based on the received location information. The position of the external device is determined as the position closest to the position of the tag among the positions detected from the touch screen.

The above description assumes determining the position of a single external device. The external device has information unique to the external device and can transmit its own information with the recognized ID. When a plurality of external devices are located in the display device, the unique information of each external device is received to determine the location of the single external device according to the location information of only the corresponding tags having the same external device unique information. When a plurality of IDs are received by performing the process, it is possible to determine whether a single external device or a plurality of IDs are used and determine a location.

In addition, by calculating all the location area information detected on the touch screen with respect to the external device may determine the direction of the external device at the determined position of the external device.

5 is a flowchart illustrating a method for recognizing a location of an external device according to an embodiment of the present invention.

Referring to FIG. 5, when an external device having a tag reader approaches or contacts a display device having a tag, it recognizes data about an ID stored in the tag. Thereafter, the display apparatus receives the recognized ID (501). The controller determines the location of the external device based on the received ID and location information corresponding to the ID (502).

6 is a flowchart of a method for recognizing a location of an external device according to another embodiment of the present invention.

Referring to FIG. 6, the display device receives a recognized ID (601). If the ID recognized by the external device is singular, the location of the external device is determined based on the received ID and location information corresponding to the ID (603). When there are a plurality of recognized IDs, a center position between the corresponding tags is determined based on the plurality of IDs and location information corresponding to the plurality of IDs (604), and the center position is the position of the external device. Determine (605).

7 is a flowchart illustrating a method for recognizing a position in a touch screen panel of an external device according to an embodiment of the present invention.

Referring to FIG. 7, when an external device having a tag reader approaches or contacts a display unit having a tag and a touch screen panel, data about an ID stored in the tag is recognized. At the same time or sequentially, the display unit including the touch screen panel senses an input (701). Thereafter, an ID recognized by the external device is received (702). The control unit determines the location of the tag based on the received ID and location information corresponding to the received ID (703). Thereafter, the position of the external device is determined as the position closest to the position of the tag among the position coordinates detected from the touch screen (704).

8 is a flowchart illustrating a method for recognizing a position in a touch screen panel of an external device according to another embodiment of the present invention.

Referring to FIG. 8, after a display including a touch screen panel senses an input (801), an ID recognized by the external device is received (802). If the ID is singular, the position of the tag is determined based on the received ID and location information corresponding to the received ID (804), and the position closest to the position of the tag among the position coordinates detected from the touch screen. In operation 805, the position of the external device is determined. When there are a plurality of IDs, a center position of corresponding tag coordinates is determined based on the plurality of IDs and location information corresponding to the plurality of IDs (806). Thereafter, mapping (807) is performed between the center positions of the tag coordinates and the position coordinates detected on the touch screen closest to each other, and the mapped coordinates are determined as the position of the external device (808).

9 is a block diagram illustrating a display device according to still another embodiment of the present invention.

Referring to FIG. 9, the display apparatus 900 includes a display unit 910 and a controller 920, and the display unit includes a tag 912, a tag writer 914, and a tag antenna 916. . Since the configuration of the display unit 910 and the tag 912 is similar to the above-described configuration, a detailed description thereof will be omitted.

When predetermined information is displayed on the display unit 910, the tag writer 914 records the corresponding information in the tag at the position where the predetermined information is displayed. When the display apparatus 900 tries to display predetermined information on the display unit 910, the display apparatus 900 sends a command to the display unit 910 to display predetermined contents at a predetermined position, and sends the command. Also sent to the tag writer 914. The tag writer 914 receiving the command records the information including the location information and the predetermined contents in a tag at the corresponding location. The predetermined information is text information and / or graphic information.

The tag antenna 916 enables communication of the tag 912 and the tag writer 914. The tag writer 914 may write to the tag through the tag antenna 916. The tag writer 914 and the tag antenna 916 may be located at the rear of the display unit.

When an external device (not shown) having a tag reader approaches the display unit 910 having the corresponding information, the external device (not shown) receives the information from the tag 912 at the corresponding location. The external device can immediately read the information displayed through the tag. When the display apparatus 900 receives the location information recognized by the external device, the controller 920 determines the location of the tag according to the location information and determines the location as the location of the external device.

10 is a flowchart illustrating a method for recognizing a location of an external device according to another embodiment of the present invention.

Referring to FIG. 10, when predetermined information is displayed on the display unit, the tag writer records the predetermined information and the location information where the predetermined information is located in the tag together (1001). In this case, the information and the location information may be recorded in a tag through a tag antenna.

The external device reads the information and the location information from the tag. Thereafter, the display apparatus receives the location information from the external device (1002).

The location of the external device is determined according to the received information (1003). The location of the tag is determined by the location of the external device.

So far I looked at the center of the preferred embodiment for the present invention. Those skilled in the art will appreciate that the present invention can be implemented in a modified form without departing from the essential features of the present invention. Therefore, the disclosed embodiments should be considered in descriptive sense only and not for purposes of limitation. The scope of the present invention is shown in the claims rather than the foregoing description, and all differences within the scope will be construed as being included in the present invention.

1 is a block diagram illustrating a display apparatus according to an exemplary embodiment of the present invention.

2 shows a display unit according to an embodiment of the present invention.

3 is a block diagram illustrating a display device according to another exemplary embodiment of the present invention.

4 illustrates a display unit including a touch screen panel according to an embodiment of the present invention.

5 is a flowchart illustrating a method for recognizing a location of an external device according to an embodiment of the present invention.

6 is a flowchart of a method for recognizing a location of an external device according to another embodiment of the present invention.

7 is a flowchart illustrating a method for recognizing a position in a touch screen panel of an external device according to an embodiment of the present invention.

8 is a flowchart illustrating a method for recognizing a position in a touch screen panel of an external device according to another embodiment of the present invention.

9 is a block diagram illustrating a display device according to still another embodiment of the present invention.

10 is a flowchart illustrating a method for recognizing a location of an external device according to another embodiment of the present invention.

Claims (25)

  1. In the position-aware display device capable of communicating with an external device having a tag reader,
    A display unit;
    A plurality of tags provided in the display unit, each tag having a different ID;
    A location information storage unit which stores location information of each tag;
    And a controller configured to determine the location of the external device by comparing the ID with the location information stored in the location information storage unit when the ID of the tag recognized by the external device is received from the external device. Position-aware display device.
  2. The method of claim 1,
    Wherein the tag is located on the front or back of the display unit, the position recognition display device.
  3. The method of claim 1,
    If the received ID is plural,
    The controller may determine the position of the external device as a center position between the corresponding tags based on the plurality of IDs and position information stored in the position information storage unit.
  4. The method according to claim 1 or 2,
    Position detection display device further comprises a communication unit for communicating with at least one of the wired and wireless with the external device.
  5. The method according to claim 1 or 2,
    The display unit further comprises a touch screen panel for detecting a user's input.
  6. The method of claim 5, wherein
    When the ID is received from the external device and the touch screen panel detects at least one input,
    The controller determines a location of the tag based on the received ID and location information stored in the location information storage unit, and moves the location of the external device to a location closest to the location of the tag among locations detected from the touch screen. Position-aware display device, characterized in that determining.
  7. The method of claim 6,
    If the received ID is plural,
    The controller determines the center positions of the corresponding tags based on the plurality of IDs and the position information stored in the position information storage unit, and moves the position of the external device to a position closest to the center position among the positions detected from the touch screen. Position-aware display device, characterized in that determining.
  8. The method of claim 5, wherein
    Position detection display device further comprises a communication unit for communicating with at least one of the wired and wireless with the external device.
  9. The method of claim 6,
    And the control unit determines the direction of the external device at the determined position of the external device based on the location area information detected from the touch screen.
  10. In the position-aware display device capable of communicating with an external device having a tag reader,
    A display unit;
    A plurality of tags provided in the display unit, each tag having different location information;
    And a controller configured to determine the location of the external device based on the location information when the location information of the tag recognized by the external device is received from the external device.
  11. The method of claim 10,
    Wherein the tag is located on the front or back of the display unit, the position recognition display device.
  12. The method of claim 10 or 11,
    The display unit further comprises a touch screen panel for detecting a user's input.
  13. The method of claim 12,
    When the location information is received from the external device and the touch screen panel detects at least one input,
    The controller determines a position of the corresponding tag based on the received position information, and determines the position of the external device based on the position closest to the position of the corresponding tag among positions detected from the touch screen. Device.
  14. In the position recognition method of an external device having a tag reader,
    Receiving an ID recognized by the external device;
    And determining the location of the external device based on the received ID and the location information corresponding to the ID.
  15. The method of claim 14,
    If the received ID is plural,
    Determining the location of the external device,
    Determining a center location between corresponding tags based on the plurality of IDs and location information corresponding to the plurality of IDs;
    And determining the center position as the position of the external device.
  16. In the location recognition method of an external device having a tag reader,
    Detecting an input by a display unit including a touch screen panel;
    Receiving an ID recognized by the external device;
    In the display for determining the position of the tag based on the received ID and the location information corresponding to the ID, and determines the position of the external device to the position closest to the position of the tag among the position coordinates detected from the touch screen Recognition method of external device.
  17. The method of claim 16,
    The calculating and determining the position of the external device,
    If the ID and the location information is plural,
    Determining a center position of corresponding tag coordinates based on the plurality of IDs and location information corresponding to the plurality of IDs;
    Mapping between the center positions of the tag coordinates and the position coordinates detected on the touch screen closest to each other;
    And determining the mapped coordinates as the location of the external device.
  18. The method according to claim 1 or 2,
    A tag writer capable of recording predetermined information in the tag; And
    And a tag antenna for enabling communication between the tag and the tag writer.
  19. A location-aware display device capable of communicating with an external device having a tag reader,
    A display unit;
    A plurality of tags provided in the display unit;
    A tag writer capable of recording predetermined information including location information in the tag; And
    And a controller configured to determine the location of the external device according to the predetermined information when the external device recognizes the predetermined information recorded in the tag by the tag writer and receives the predetermined information from the external device. Position-aware display device characterized in that.
  20. The method of claim 19,
    Wherein the tag is located on the back of the display unit, the location-aware display device.
  21. The method of claim 19,
    And a tag antenna for enabling communication between the tag and the tag writer.
  22. The method of claim 21,
    And the tag writer and the tag antenna are located on the rear of the display unit.
  23. The method of claim 19,
    And the predetermined information is text information.
  24. In the position recognition method of an external device having a tag reader,
    When the predetermined information is displayed on the display unit, the tag writer recording the predetermined information and the location information where the predetermined information is located in the tag;
    Receiving the information recognized by the external device; And
    And determining the location of the external device according to the received information.
  25. The method of claim 24,
    When predetermined information is displayed on the display unit, the tag writer records the predetermined information and the position information where the predetermined information is located in the tag together.
    When predetermined information is displayed on the display unit, a tag writer records the predetermined information and the position information where the predetermined information is located in a tag through a tag antenna together. Location recognition method.
KR20070087282A 2007-06-05 2007-08-29 Display Apparatus and Method for location recognition KR101204794B1 (en)

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KR1020070055263 2007-06-05
KR20070055263 2007-06-05

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US11/967,355 US9507375B2 (en) 2007-06-05 2007-12-31 Display apparatus and method for recognizing location
EP08151464.8A EP2000877B1 (en) 2007-06-05 2008-02-14 Display apparatus and method for recognizing location
CN 200810081585 CN101320434B (en) 2007-06-05 2008-03-07 Display apparatus and method for recognizing location
JP2008126419A JP5717315B2 (en) 2007-06-05 2008-05-13 Position recognition display device and position recognition method

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KR101204794B1 KR101204794B1 (en) 2012-11-26

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