Method, system, and related device for operating display device

• US 9,544,634 B2
• Filed: 06/18/2012
• Issued: 01/10/2017
• Est. Priority Date: 03/23/2012
• Status: Expired due to Fees

• Current Assignee: ZTE Corporation
• Original Assignee: ZTE Corporation
• Inventors: Lian, Ronggang
• Primary Examiner(s): Goodarzi, Nasser
• Assistant Examiner(s): PIERORAZIO, MICHAEL
• Application Number:
  US14/384,554
• Publication Number:
  US 20150052555A1
• Time in Patent Office: 1,667 Days
• Field of Search: 725/37
• US Class Current: 1/1
• 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:

configuring a table of various data of intensity of reflected light on a light tracking system when a control device is at various different distances from the display device, wherein said data of intensity of reflected light in said table correspond to coordinate positions on the display device, and said reflected light corresponds to a directional light that is sent from the control device to a control area on the display device and reflected from the display device;

the control device emitting the directional light to the display device when detecting a key thereof is pressed and the directional light being reflected from the display device and forming a first reflected light;

the control device receiving said first reflected light and collecting data of intensity of said first reflected light and transmitting the data of intensity of the first reflected light and information of the pressed key to the light tracking system;

the light tracking system matching a corresponding coordinate position on the display device from said table of various data of intensity of reflected light according to the data of intensity of said first reflected light and a current distance between the control device and the display device, executing a corresponding operation in an area corresponding to the coordinate position of the display device in conjunction with the information of the pressed key, and reflecting an operation result on the display device.

2. The method according to claim 1, further comprising the light tracking system determining the current distance between the control device and the display device, wherein determining the current distance comprises:

when a position of the control device is used for the first time, the control device emitting the directional light to a specified area on the display device, and transmitting collected data of intensity of a 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 data of intensity of the second reflected light and a preconfigured corresponding relationship between the intensity of the reflected light and a distance between the control device and the specified area.

3. The method according to claim 2, wherein, before the control device emitting the directional light to the specified area on the display device, the method further comprises:

the display device displaying a position of the specified area, and prompting a user to use the control device to emit the directional light to the position where the specified area is located.

4. 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 the other two beams of the directional light are used as auxiliary light, and light sources of all the three beams of the directional light are separately arranged at a certain angle.

5. 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 the other two beams of the directional light are used as auxiliary light, and light sources of all the three beams of the directional light are separately arranged at a certain angle.

6. The method according to claim 1, wherein, there are at least three beams of the directional light emitted by the control device to the display device, wherein one beam of the directional light is used as aiming light and the other two beams of the directional light are used as auxiliary light, and light sources of all the three beams of the directional light are separately arranged at a certain angle.

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

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

8. The method according to claim 1, wherein,

transmitting the collected data of intensity 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.

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

after the light tracking system receives the data of intensity of the first reflected light, judging validity of the data of intensity of the first reflected light, and

when determining that the data is valid, executing subsequent processes.

10. 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, the directional light being reflected from the display device and forming a first reflected light,

receive said first reflected light and collect data of intensity of said first reflected light, and

transmit the data of intensity of the first reflected light and information of the pressed key to the light tracking system;

the light tracking system is configured to;

preconfigure a table of various data of intensity of reflected light on the light tracking system when a control device is at various different distances from the display device, wherein said data of intensity of reflected light in said table correspond to coordinate positions on the display device, and said reflected light corresponds to a directional light that is sent from the control device to a control area on the display device and reflected from the display device;

match a corresponding coordinate position on the display device from said preconfigured table of various data of intensity of reflected light according to the data of intensity of said first reflected light and a current distance between the control device and the display device; and

execute a corresponding operation on an area corresponding to the coordinate position of the display device in conjunction with the information of the pressed key, and reflect an operation result on the display device.

11. The system according to claim 10, wherein,

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

the light tracking system is configured to determine the current distance between the control device and the display device by;

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

12. The system according to claim 11, wherein, the control device is configured to emit the directional light to the display device by:

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

13. The system according to claim 10, wherein, the control device is configured to emit the directional light to the display device by:

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

14. The system according to claim 10, wherein,

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

15. The system according to claim 10, 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 information of a pressed key;

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 information of the pressed key; and

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

16. The system according to claim 15, 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 LED driving circuit is connected to the light emitting diode and the modulation circuit respectively.

17. A light tracking system for operating a display device, comprising a processor and a storage device for storing computer executable instructions, wherein,

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

an automatic configuration module, performed by the processor, is configured to configure a table of various data of intensity of reflected light on the light tracking system when a control device is at various different distances from the display device, wherein said data of intensity of reflected light in said table correspond to coordinate positions on the display device, and the reflected light corresponds to a directional light that is sent from the control device to a control area on the display device and reflected from the display device;

wherein the control device emits the directional light to the display device when detecting a key thereof is pressed and the directional light is reflected from the display device and forms a first reflected light, the control device receives said first reflected light and collects data of intensity of said first reflected light and transmits the data of intensity of the first reflected light and information of the pressed key to the light tracking system;

a data reception module, performed by the processor, is configured to receive said data of intensity of said first reflected light and information of the pressed key transmitted by the control device; and

a data processing module, performed by the processor, is configured to match a corresponding coordinate position on the display device from said table of various data of intensity of reflected light according to the data of intensity of said first reflected light and a current distance between the control device and the display device, execute a corresponding operation on an area corresponding to the coordinate position of the display device in conjunction with information of the pressed key on the control device, and display an operation result on the display device.

18. The light tracking system according to claim 17, further comprising:

an error analysis module, performed by the processor, is configured to judge validity of the data of intensity of the first reflected light after receiving the data of intensity of the first reflected light, wherein, when determining that the data is valid, the data processing module executes subsequent processes.