JP2018097078A - Display device and display system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display device configured to improve convenience of a user and security, and a display system.SOLUTION: A display device includes a display unit 11 which displays a first display screen 22 displaying owner information and a second display screen 23 displaying information other than the owner information. The display device includes a location information acquisition unit 51, an area determination unit 52, and a display control unit 53. The location information acquisition unit 51 acquires location information indicating a location of the display device, at a predetermined timing. The area determination unit 52 determines whether the display device is located in a predetermined area 20 or not, on the basis of the location information acquired by the location information acquisition unit 51. The display control unit 53 controls, when the area determination unit 52 determines that the display device is located in the predetermined area 20, the first display screen 22 to be displayed on the display unit 11, or the second display screen 23 to be displayed on the display unit 11 when the display device is determined to be located outside the predetermined area 20.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a display device and a display system.

  On an IDENTIFICATION (hereinafter referred to as ID) card such as an employee ID card, personal information such as a personal name and a face photograph may be displayed in addition to the company name and affiliation name. Some of these ID cards are used as an electronic key when entering or leaving a company or a room in the company.

  Here, a technique for setting a lock function in a mobile terminal and releasing the lock state under a specific condition is disclosed in International Publication No. 2016/068252 (Patent Document 1).

  In the portable terminal disclosed in Patent Literature 1, when the lock is set, the processor receives the acceleration data received when the short-range communication module receives the acceleration data output from the acceleration sensor of the wearable terminal, and The release of the lock is controlled based on the data representing the position where the proximity or contact of the object on the touch panel is detected.

International Publication No. 2016/068252

  If the above ID card is lost outside the company, the personal information is displayed on the ID card, so there is a risk that the above personal information leaks to people outside the company. Further, since the company name and affiliation name are displayed on the ID card, a malicious third party can pick up and enter the company using the ID card. Such a situation is not preferable from the viewpoint of security.

  In order to improve security, it is conceivable to set the lock function disclosed in Patent Document 1 to an ID card. However, a user instruction is required to release the lock function. For this reason, a user's operation will become complicated.

  An object of the present invention is to provide a display device and a display system that improve user convenience and security.

  In one aspect of the present invention, a display device includes a display unit capable of displaying a first display screen that displays owner information and a second display screen that displays information other than the owner information. The display device includes a position information acquisition unit, an area determination unit, and a display control unit. The position information acquisition unit acquires position information indicating the position of the display device at a predetermined timing. The area determination unit determines whether the display device is in a predetermined area based on the position information acquired by the position information acquisition unit. The display control unit displays the first display screen on the display unit when the area determination unit determines that the display device is within the predetermined area, and displays the first display screen when it is determined that the display device is outside the predetermined area. 2. Control to display the display screen on the display unit.

  In another aspect of the present invention, a display system includes a display device and an information processing device. The display device includes a display unit capable of displaying a first display screen that displays owner information and a second display screen that displays information other than the owner information. The information processing apparatus can wirelessly communicate with the display device. The display device includes a position information acquisition unit. The position information acquisition unit acquires position information indicating the position of the display device at a predetermined timing. At least one of the display device and the information processing device includes an area determination unit and a display control unit. The area determination unit determines whether the display device is in a predetermined area based on the position information acquired by the position information acquisition unit. The display control unit displays the first display screen on the display unit when the area determination unit determines that the display device is within the predetermined area, and displays the first display screen when it is determined that the display device is outside the predetermined area. 2. Control to display the display screen on the display unit.

  According to such a display device, it is determined whether the display device is in a predetermined area based on the acquired position information. When the display device is in a predetermined area, information on the owner of the display device can be displayed and used for user authentication or the like. Further, when the display device is outside the predetermined area, information other than the information on the owner of the display device can be displayed and the information on the owner can be prevented from being displayed. In this way, even if a malicious third party picks up outside a predetermined area, the owner's information is not leaked. In this case, it is not necessary for the user to instruct to switch the display. Therefore, user convenience can be improved and security can be improved.

  Moreover, according to such a display system, it is possible to improve user convenience and security.

1 is a schematic view showing a display system according to an embodiment of the present invention. It is a block diagram which shows the structure of a display system. It is a flowchart which shows the flow of a process in the case of displaying a predetermined | prescribed screen on a display part when a display apparatus exists in a predetermined | prescribed area. It is a figure which shows an example of a 1st display screen. It is a figure which shows an example of a 2nd display screen. It is a figure which shows an example of a 3rd display screen. It is a block diagram which shows the structure of a display apparatus.

(Embodiment 1)
Embodiment 1 of the present invention will be described below. FIG. 1 is a schematic diagram showing a display system 1 according to an embodiment of the present invention. FIG. 2 is a block diagram showing a configuration of the display system 1 shown in FIG. In FIG. 1, the predetermined area 20 is indicated by a one-dot chain line.

  With reference to FIG. 1 and FIG. 2, the display system 1 includes an ID card 10 as a display device and a server 30 as an information processing device. The server 30 can wirelessly communicate with the ID card 10. In FIG. 1, the ID card 10 outside the predetermined area 20 is indicated by a broken line.

  The ID card 10 includes a display unit 11, an ID card control unit 12, an ID card storage unit 13, a GPS reception unit 14, and an ID card communication unit 15. The display unit 11 includes a display screen 21. The display unit 11 can display a first display screen 22 that displays owner information and a second display screen 23 that displays information other than the owner information. The ID card control unit 12 controls the entire ID card 10. The ID card control unit 12 includes a CPU and the like, and controls the entire ID card 10 by executing a control program stored in the ID card storage unit 13 including a nonvolatile memory. The ID card control unit 12 includes a main memory (not shown) that temporarily stores data. The ID card storage unit 13 stores position information or information of the owner of the ID card 10. The GPS receiving unit 14 receives global positioning system (hereinafter referred to as GPS) data. The ID card communication unit 15 can establish wireless communication with the server 30 and perform data transmission / reception. The ID card communication unit 15 allows the ID card 10 to transmit data to the server 30 side. The ID card communication unit 15 operates as a transmission unit that transmits the position information acquired by the position information acquisition unit 51 described later to the server 30.

  The server 30 includes a server communication unit 31, a server control unit 32, and a server storage unit 33. The server 30 is composed of a PC server or the like placed in the data center. The server 30 may be installed in the predetermined area 20 or may be installed outside the predetermined area 20. The predetermined area 20 refers to an area predetermined by the user. The predetermined area 20 is an area corresponding to, for example, a company site. The server communication unit 31 can establish wireless communication with the ID card 10 and perform data transmission / reception. The server communication unit 31 allows the server 30 to receive data transmitted from the ID card 10. The server communication unit 31 operates as a reception unit that receives position information acquired by a position information acquisition unit 51 described later. The server control unit 32 controls the entire server 30. The server control unit 32 includes a CPU and the like, and controls the entire server 30 by executing a control program stored in the server storage unit 33 including a non-volatile memory. The server control unit 32 includes a main memory (not shown) that temporarily stores data. The server storage unit 33 may be a hard disk, for example. The server storage unit 33 stores position information.

  Next, the configuration of the ID card control unit 12 provided in the ID card 10 and the server control unit 32 provided in the server 30 will be described. With reference to FIG. 2, the ID card control unit 12 includes a position information acquisition unit 51 and a card authentication unit 54. The server control unit 32 includes an area determination unit 52 and a display control unit 53.

  The position information acquisition unit 51 acquires position information indicating the position of the ID card 10 at a predetermined timing. The card authentication unit 54 controls the ID card communication unit 15 to transmit the information of the owner of the ID card 10 stored in the ID card storage unit 13 to the ID card reader or the like. By the card authentication unit 54, for example, the ID card 10 functions as an electronic key when entering the company premises. The area determination unit 52 determines whether the ID card 10 is in the predetermined area 20 based on the position information acquired by the position information acquisition unit 51. If the area determination unit 52 determines that the ID card 10 is in the predetermined area 20, the display control unit 53 displays the first display screen 22 on the display unit 11, or the ID card 10 is in the predetermined area. If it is determined that it is outside 20, the second display screen 23 is controlled to be displayed on the display unit 11.

  Next, a case where the display system 1 displays a predetermined screen on the display unit 11 when the ID card 10 is in the predetermined area 20 will be described. FIG. 3 is a flowchart showing a flow of processing when a predetermined screen is displayed on the display unit 11 when the ID card 10 is in the predetermined area 20.

  With reference to FIG. 3, first, the ID card 10 acquires position information indicating the position of the ID card 10 at a predetermined timing (step S <b> 11 in FIG. 3, hereinafter “step” is omitted). Here, the predetermined timing may be executed by setting a time, for example, or may be executed repeatedly at all times. The position information is acquired from the GPS data received by the GPS receiver 14. Here, first, it is assumed that the ID card 10 is located within a predetermined area 20 indicated by a one-dot chain line in FIG.

  When the position information indicating the position of the ID card 10 is acquired, the position information indicating the position of the ID card 10 is transmitted to the server 30. Upon receiving the transmitted position information indicating the position of the ID card 10, the server 30 determines whether the ID card 10 is in the predetermined area 20 (S12). In this case, since it is determined that the ID card 10 is in the predetermined area 20 (YES in S12), the first display screen 22 that displays the owner information is selected as the screen displayed on the display unit 11. (S13). The server 30 transmits the data of the selected first display screen 22 to the ID card 10. Upon receiving the data on the first display screen 22, the ID card 10 displays the first display screen 22 on the display screen 21 of the display unit 11 (S14).

  FIG. 4 is a diagram illustrating an example of the first display screen 22. Referring to FIG. 4, first display screen 22 includes company name 22a, owner face photo 22b, owner department name 22c, and owner name 22d. Referring to FIG. 1, when ID card 10 is in a predetermined area 20, first display screen 22 is displayed on display screen 21 of display unit 11 of ID card 10.

  Next, the case where the ID card 10 is located outside the predetermined area 20 indicated by a broken line in FIG. 1 will be described. In this case, since it is determined that the ID card 10 is outside the predetermined area 20 in S12 (NO in S12), the second display that displays information other than the owner's information as a screen displayed on the display unit 11 The screen 23 is selected (S15). The server 30 transmits the data of the selected second display screen 23 to the ID card 10. Upon receiving the data on the second display screen 23, the ID card 10 displays the second display screen 23 on the display screen 21 of the display unit 11 (S16).

  FIG. 5 is a diagram illustrating an example of the second display screen 23. Referring to FIG. 5, second display screen 23 includes a screen for displaying a notification destination when ID card 10 is lost. For example, the company name 23a and the telephone number 23b may be displayed as the report destination.

  According to such a display system 1, it is determined whether the ID card 10 is in the predetermined area 20 based on the acquired position information. When the ID card 10 is in the predetermined area 20, information on the owner of the ID card 10 can be displayed and used for user authentication or the like. When the ID card 10 is outside the predetermined area 20, information other than the information on the owner of the ID card 10 can be displayed and the information on the owner can be prevented from being displayed. In this way, even if a malicious third party finds out, the owner's information will not be leaked. In this case, it is not necessary for the user to instruct to switch the display. Therefore, user convenience can be improved and security can be improved.

  In S12, the determination as to whether or not the ID card 10 is in the predetermined area 20 may be as follows. Position information indicating the position of the predetermined area 20 is stored in advance in the server storage unit 33 of the server 30, and the position information indicating the position of the ID card 10 and the position information indicating the position of the predetermined area 20 match. You may judge. Position information indicating the position of the predetermined area 20 may be stored in advance in the ID card storage unit 13 of the ID card 10. Further, it may be determined by measuring how far the ID card 10 is away from a predetermined location by the user. For example, when the distance between the ID card 10 and a predetermined location is within 200 m, it may be determined that the ID card 10 is in the predetermined area 20. Further, when the server is installed in the predetermined area 20, it may be determined by measuring how far the ID card 10 and the server 30 are separated. For example, when the distance between the ID card 10 and the server 30 is within 50 m, it may be determined that the ID card 10 is in the predetermined area 20.

  In S <b> 11, if the ID card 10 cannot acquire position information indicating the position of the ID card 10, the second display screen 23 may be displayed on the display screen 21 of the display unit 11 of the ID card 10. . In S12, if the ID card 10 and the server 30 cannot exchange data, the second display screen 23 is displayed on the display screen 21 of the display unit 11 of the ID card 10. Good.

  FIG. 6 is a diagram illustrating an example of the third display screen 24. If the content of the display screen 21 of the display unit 11 cannot be updated because the battery (not shown) built in the ID card 10 has no life, the third display screen 24 is displayed on the display screen 21 of the display unit 11. You may make it display. The third display screen 24 warns that the battery built in the ID card 10 has no life.

(Embodiment 2)
Next, Embodiment 2 which is another embodiment of the present invention will be described. The ID card 10 basically has the same configuration as that in the first embodiment. However, the configuration of the ID card control unit 12 is different from that in the first embodiment. Hereinafter, differences from the case of the first embodiment will be described.

  FIG. 7 is a block diagram showing the configuration of the ID card 10. Referring to FIG. 7, ID card 10 includes a display unit 11, an ID card control unit 12, an ID card storage unit 13, a GPS reception unit 14, and an ID card communication unit 15. The ID card communication unit 15 may be connected to a network through a network interface unit (not shown). The ID card control unit 12 includes a position information acquisition unit 51, an area determination unit 52, and a display control unit 53.

  With reference to FIG. 3, first, the ID card 10 acquires position information indicating the position of the ID card 10 at a predetermined timing (S11). Here, for the predetermined timing, for example, time may be set every minute, or may be repeatedly executed. The position information is acquired from the GPS data received by the GPS receiver 14.

  And if the positional information which shows the position of ID card 10 is acquired, it will be judged whether ID card 10 exists in predetermined area 20 (S12). If the ID card 10 is in the predetermined area 20 (YES in S12), the first display screen 22 that displays the owner information is selected as the screen displayed on the display unit 11 (S13). The ID card 10 displays the first display screen 22 on the display screen 21 of the display unit 11 (S14).

  If it is determined that ID card 10 is outside predetermined area 20 (NO in S12), second display screen 23 that displays information other than the owner's information is selected as the screen displayed on display unit 11. (S15). The ID card 10 displays the second display screen 23 on the display screen 21 of the display unit 11 (S16).

  According to such an ID card 10, it is determined whether the ID card 10 is in the predetermined area 20 based on the acquired position information. When the ID card 10 is in the predetermined area 20, information on the owner of the ID card 10 can be displayed and used for user authentication or the like. When the ID card 10 is outside the predetermined area 20, information other than the information on the owner of the ID card 10 can be displayed and the information on the owner can be prevented from being displayed. In this way, even if a malicious third party finds out, the owner's information will not be leaked. In this case, it is not necessary for the user to instruct to switch the display. Therefore, user convenience can be improved and security can be improved.

  In S12, in order to determine that the ID card 10 is in the predetermined area 20, the following may be performed. Position information indicating the position of the predetermined area 20 is stored in advance in the ID card storage unit 13 of the ID card 10, and the position information indicating the position of the ID card 10 matches the position information indicating the position of the predetermined area 20. You may judge by. Further, it may be determined by measuring how far the ID card 10 is away from a predetermined location by the user. For example, when the distance between the ID card 10 and a predetermined location is within 200 m, it may be determined that the ID card 10 is in the predetermined area 20.

  In S <b> 11, if the ID card 10 cannot acquire position information indicating the position of the ID card 10, the second display screen 23 may be displayed on the display screen 21 of the display unit 11 of the ID card 10. .

  It should be understood that the embodiments disclosed herein are illustrative in all respects and are not restrictive in any aspect. The scope of the present invention is defined by the scope of the claims, rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the scope of the claims.

  The display system and the display device according to the present invention are particularly effectively used when it is required to improve user convenience and security.

DESCRIPTION OF SYMBOLS 1 Display system, 10 ID card, 11 Display part, 12 ID card control part, 13 ID card memory | storage part, 14 GPS receiving part, 15 ID card communication part, 20 Predetermined area, 21 Display screen, 22 1st display screen, 22a company name, 22b face photo, 22c department name, 22d name, 23 second display screen, 23a company name, 23b telephone number, 24 third display screen, 30 server, 31 server communication unit, 32 server control unit, 33 Server storage unit 51 Position information acquisition unit 52 Area determination unit 53 Display control unit 54 Card authentication unit

Claims (11)

A display device comprising a display unit capable of displaying a first display screen for displaying information on the owner and a second display screen for displaying information other than the information on the owner,
A position information acquisition unit that acquires position information indicating the position of the display device at a predetermined timing;
An area determination unit that determines whether the display device is in a predetermined area based on the position information acquired by the position information acquisition unit;
If the area determining unit determines that the display device is within the predetermined area, the first display screen is displayed on the display unit, and if the display device is determined to be outside the predetermined area, the second display is displayed. A display device comprising: a display control unit that controls to display a screen on a display unit. An ID card storage unit in which position information indicating the position of the predetermined area is stored in advance;
2. The area determination unit according to claim 1, wherein the area determination unit determines whether position information indicating a position of the display device matches position information indicating a position of a predetermined area stored in the ID card storage unit. Display device. The area determination unit measures how far the display device is from a predetermined location based on position information of the display device, and determines whether the display device is in a predetermined area. Item 4. The display device according to Item 1. The display device according to claim 1, wherein the second display screen includes a screen that displays information on a notification destination of the display device. A GPS receiver for receiving GPS (Global Positioning System) data;
The display device according to claim 1, wherein the position information acquisition unit acquires position information indicating a position of the display device based on GPS data received by the GPS reception unit. A display device comprising a display unit capable of displaying a first display screen for displaying owner information and a second display screen for displaying information other than the owner information, and information capable of wireless communication with the display device A display system comprising a processing device,
The display device
A position information acquisition unit that acquires position information indicating the position of the display device at a predetermined timing;
At least one of the display device and the information processing device is:
An area determination unit that determines whether the display device is in a predetermined area based on the position information acquired by the position information acquisition unit;
If the area determining unit determines that the display device is within the predetermined area, the first display screen is displayed on the display unit, and if the display device is determined to be outside the predetermined area, the second display is displayed. A display system comprising: a display control unit that controls to display a screen on the display unit. At least one of the display device and the information processing device further includes a server storage unit or an ID card storage unit in which position information indicating a position of a predetermined area is stored in advance.
The area determination unit determines whether position information indicating a position of the display device matches position information indicating a position of a predetermined area stored in the server storage unit or the ID card storage unit. Display system as described in. The area determination unit measures how far the display device is from a predetermined location based on the position information of the display device, and determines whether the display device is in a predetermined area. The display system according to claim 6. The display system according to claim 6, wherein the area determination unit measures how far the display device and the information processing device are separated, and determines whether the display device is within a predetermined area. The display system according to claim 6, wherein the second display screen includes a screen that displays information on a notification destination of the display device. The display device further includes a GPS receiving unit that receives GPS data,
The display system according to any one of claims 6 to 10, wherein the position information acquisition unit acquires position information indicating a position of the display device from GPS data received by the GPS reception unit.

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