Method, System, And Related Device For Operating Display Device

• US 20150052555A1
• Filed: 06/18/2012
• Published: 02/19/2015
• Est. Priority Date: 03/23/2012
• Status: Active Grant

• Current Assignee: ZTE Corporation
• Original Assignee: ZTE Corporation
• Inventors: Lian, Ronggang
• Granted Patent: US 9,544,634 B2
• Time in Patent Office: Days
• US Class Current: 725/37
• CPC Class Codes: G06F 2203/0384 Wireless input, i.e. hardware and software details of wireless interface arrangements for pointing devices
• CPC Class Codes: G06F 3/0304 Detection arrangements using opto-electronic means constructional details of pointing devices not related to the detection arrangement using opto-electronic means G06F3/033; optical digitisers G06F3/042
• CPC Class Codes: G06F 3/0386 for light pen
• CPC Class Codes: G06F 3/04842 Selection of displayed objects or displayed text elements G06F3/0482 takes precedence
• CPC Class Codes: G08C 17/02 using a radio link
• CPC Class Codes: G08C 2201/51 Remote controlling of devices based on replies, status thereof
• CPC Class Codes: G08C 2201/91 Remote control based on location and proximity
• CPC Class Codes: G08C 23/04 using light waves, e.g. infrared
• CPC Class Codes: H04M 1/72415 for remote control of appliances
• CPC Class Codes: H04N 21/422 Input-only peripherals , i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS] input devices also receiving signals from specially adapted client devices H04N21/4104
• CPC Class Codes: H04N 21/42204 User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor constructive details of casings for the remote control device H01H9/0235; user interfaces for controlling a tuning device of a television receiver through a remote control H03J9/00; remote control of peripheral devices connected to a television receiver through the remote control device of the television receiver H04B1/205
• CPC Class Codes: H04N 21/42212 Specific keyboard arrangements
• CPC Class Codes: H04N 21/4222 Remote control device emulator integrated into a non-television apparatus, e.g. a PDA, media center or smart toy remote control device for a television receiver integrated into a mobile phone H04M1/72415
• CPC Class Codes: H04N 21/42221 Transmission circuitry, e.g. infrared [IR] or radio frequency [RF]
• CPC Class Codes: H04N 21/44218 Detecting physical presence or behaviour of the user, e.g. using sensors to detect if the user is leaving the room or changes his face expression during a TV program methods or arrangements for recognising human body or animal bodies or body parts G06V40/10; methods or arrangements for acquiring or recognising human faces, facial parts, facial sketches, facial expressions G06V40/16; methods or arrangements for recognising movements or behaviour G06V40/20; arrangements for identifying users in broadcast systems H04H60/45

Abstract

A method, system, and related device for operating a display device are disclosed. The method includes: a control device transmitting the directional light to the display device when detecting a key thereof is pressed, and transmitting the collected intensity data of the first reflected light and the key information to a light tracking system; the light tracking system matching a corresponding coordinate position according to the received intensity data of the first reflected light and the known current distance between the control device and the display device, from the preconfigured reflected light intensity corresponding to the distances between the control device and the coordinate positions of various directional points on display device at the distance, then executing a corresponding operation on an area of the display device corresponding to the coordinate position in conjunction with the key information, and reflecting an operation result on the display device.

Claims

1. A method for operating a display device, comprising:

a control device emitting directional light to the display device when detecting a key thereof is pressed, and transmitting collected intensity data of first reflected light and key information to a light tracking system;

the light tracking system matching a corresponding coordinate position according to received intensity data of the first reflected light and known current distance between the control device and the display device, from preconfigured reflected light intensities corresponding to distances between the control device and coordinate positions of various directional points on the display device at the distance, then executing a corresponding operation in an area, corresponding to the coordinate position, of the display device in conjunction with the key information, and reflecting an operation result on the display device.

2. The method according to claim 1, wherein,

the light tracking system knowing the current distance between the control device and the display device comprises:

when a position is used for the first time, the control device emitting the directional light to specified points on the display device, and transmitting collected intensity data of second reflected light to the light tracking system;

the light tracking system determining the current distance between the control device and the display device according to the received intensity data of the second reflected light and a preconfigured corresponding relationship between reflected light intensity and distances between the control device and the specified points.

3. The method according to claim 2, wherein,

before the control device emitting the directional light to specified points on the display device, the method further comprises:

the display device displaying positions of the specified points, and prompting a user to use the control device to emit the directional light to positions where the specified points are located.

4. The method according to claim 1, wherein,

there are at least three beams of directional light emitted by the control device to the display device, wherein one beam of directional light is used as aiming light and remaining are used as auxiliary light, and light sources of all directional light are separately arranged at a certain angle.

5. The method according to claim 1, further comprising:

the light tracking system equally dividing the display device into multiple regions previously according to information about size and resolution of the display device, and representing each region by using a central point of each region as a directional point of the region.

6. The method according to claim 1, wherein,

transmitting the collected intensity data of the first reflected light to the light tracking system comprises:

after the control device converts and amplifies the collected first reflected light, outputting data for representing the reflected light intensity.

7. The method according to claim 1, further comprising:

after the light tracking system receives the intensity data of the first reflected light, firstly judging validity of the intensity data of reflected light, and if determining that the data is valid, then executing subsequent processes.

16. The method according to claim 2, wherein,

there are at least three beams of directional light emitted by the control device to the display device, wherein one beam of directional light is used as aiming light and remaining are used as auxiliary light, and light sources of all directional light are separately arranged at a certain angle.

17. The method according to claim 3, wherein,

there are at least three beams of directional light emitted by the control device to the display device, wherein one beam of directional light is used as aiming light and remaining are used as auxiliary light, and light sources of all directional light are separately arranged at a certain angle.

8. A system for operating a display device, comprising a control device and a light tracking system;

wherein,

the control device is configured to emit directional light to the display device when detecting a key thereof is pressed, and transmit collected intensity data of first reflected light and key information to the light tracking system;

the light tracking system is configured to match a corresponding coordinate position according to the received intensity data of the first reflected light and known current distance between the control device and the display device, from preconfigured reflected light intensities corresponding to distances between the control device and coordinate positions of various directional points on the display device at the distance, then execute a corresponding operation on an area, corresponding to the coordinate position, of the display device in conjunction with the key information, and reflect an operation result on the display device.

9. The system according to claim 8, wherein,

the control device is further configured to emit the directional light to specified points on the display device when a position is used for the first time, and transmit collected intensity data of second reflected light to the light tracking system;

the light tracking system is configured to know the current distance between the control device and the display device by a following mode;

determining the current distance between the control device and the display device according to the received intensity data of the second reflected light and a preconfigured corresponding relationship between reflected light intensity and distances between the control device and the specified points.

10. The system according to claim 8, wherein,

The control device is configured to emit the directional light to the display device by a following mode:

emitting at least three beams of directional light to the display device, wherein one beam of directional light is used as aiming light and remaining are used as auxiliary light, and light sources of all directional light are separately arranged at a certain angle.

11. The system according to claim 8, wherein,

the light tracking system is further configured to equally divide the display device into multiple regions previously according to information about size and resolution of the display device, and represent each region by using a central point of each region as a directional point of the region.

12. The system according to claim 8, wherein the control device comprises a directional light ranging module, a key module, and a data transmission module;

wherein,

the key module is configured to receive user key information;

the directional light ranging module includes a directional light emitter and a directional light receiver, and the directional light ranging module is configured to control the directional light emitter to emit directional light and control the directional light receiver to receive reflected light, after the key module receives the user key information; and

the data transmission module is configured to transmit a value of light intensity and the user key information to the light tracking system, wherein, the value of light intensity is obtained after performing analog-digital conversion on the reflected light received by the directional light receiver.

13. The system according to claim 12, wherein, the directional light emitter comprises a light emitting diode, a modulation circuit and an LED driving circuit;

wherein,

the light emitting diode is connected to the modulation circuit, and the LTE driving circuit is connected to the light emitting diode and the modulation circuit respectively.

18. The system according to claim 9, wherein,

the control device is configured to emit the directional light to the display device by a following mode:

emitting at least three beams of directional light to the display device, wherein one beam of directional light is used as aiming light and remaining are used as auxiliary light, and light sources of all directional light are separately arranged at a certain angle.

14. A light tracking system for operating a display device, comprising a core control module, an automatic configuration module, a data reception module and a data processing module;

wherein,

the core control module is configured to manage, control and schedule other modules in the light tracking system;

the automatic configuration module is configured to configure reflected light intensities corresponding to distances between a control device and coordinate positions of various directional points on the display device at various distances;

the data reception module is configured to receive intensity data of reflected light transmitted by the control device; and

the data processing module is configured to match a corresponding coordinate position according to the intensity data of the reflected light and known current distance between the control device and the display device, from preconfigured reflected light intensities corresponding to distances between the control device and coordinate positions of various directional points on the display device at the distance in the automatic configuration module, then execute a corresponding operation on an area, corresponding to the coordinate position, of the display device in conjunction with the key information, and display an operation result on the display device.

15. The light tracking system according to claim 14, further comprising:

an error analysis module, configured to firstly judge validity of the intensity data of the reflected light after receiving the intensity data of the reflected light, wherein, if determining that the data is valid, then the data processing module executes subsequent processes.