Remote control system for electronic device and remote control method thereof

• US 8,648,811 B2
• Filed: 09/10/2009
• Issued: 02/11/2014
• Est. Priority Date: 10/10/2008
• Status: Active Grant

• Current Assignee: Shenzhen Taishan Online Technology Company Limited
• Original Assignee: Shenzhen Taishan Online Technology Company Limited
• Inventors: Cheng, Jun, Zhao, Wenchuang, Zhou, Kun, Shi, Danwei, Lv, Shunzhi
• Primary Examiner(s): Boddie, William
• Assistant Examiner(s): Okebato, Sahlu
• Application Number:
  US13/123,487
• Publication Number:
  US 20110216011A1
• Time in Patent Office: 1,615 Days
• Field of Search: 345/169
• US Class Current: 345/169
• CPC Class Codes: G06F 3/017 Gesture based interaction, e.g. based on a set of recognized hand gestures interaction based on gestures traced on a digitiser G06F3/04883
• CPC Class Codes: G06F 3/0325 using a plurality of light emitters or reflectors or a plurality of detectors forming a reference frame from which to derive the orientation of the object, e.g. by triangulation or on the basis of reference deformation in the picked up image
• 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 21/42222 Additional components integrated in the remote control device, e.g. timer, speaker, sensors for detecting position, direction or movement of the remote control, microphone or battery charging device

Abstract

A remote control system for electronic device and remote control method thereof, the remote control system comprises a controlled apparatus and a remote controller. The controlled apparatus comprises a processing control system (121) and an instruction execution unit (125) in which at least a video capturing device (122,126) connected to the controlled apparatus is also included. At least a characteristic composition is included on the remote controller, at least a video capturing device (122,126) is used for collecting the characteristic composition on the remote controller the processing control system (121) is used for processing the collected characteristic composition images, parsing into the respective instructions, and giving the instruction execution unit (125) the instructions to execute.

Claims

1. A remote control system, comprises a controlled apparatus (120) and a remote controller (100), the controlled apparatus (120) comprises a processing control system (121) and an instruction execution unit (125), wherein, the processing control system (121) further comprises a characteristic composition extraction unit (123), an instruction parsing unit (124), the characteristic composition extraction unit (123) is connected to a plurality of video capturing devices (122), extracts image of the characteristic composition from obtained video image, and processes and determines position of the extracted image, the instruction parsing unit (124) is used for interpreting moving track of the characteristic composition extracted by the characteristic composition extraction unit (123) to corresponding instruction according to predetermined mapping relationship between the moving track of the characteristic composition and instruction and gives the instruction execution unit (125) the instruction to execute;

wherein the processing control system (121) further comprises a coordinate mapping unit (127), which is used to show the position of the remote controller on the display after computing according to moving position of the remote controller characteristic component obtained by the characteristic extraction unit (123) while the instruction parsing unit (124) is transmitting corresponding instruction;

wherein, the process of mapping the position of the remote controller from the image coordinate to the screen coordinate of the display is;

supposing the screen width is Width_scr, the height is Height_scr, then point (u,v) on the screen satisfies following conditions;

Width_scr, Height_scr are natural numbers, u is a nonnegative integer smaller than Width_scr, and v is a nonnegative integer smaller than Height_scr;

supposing the width of the imaging plane is Width_cam, the height is Height_cam, supposing the operation area of the remote controller is an area imaging in a certain rectangle, supposing the left top angular point is (x_ul, y_ul), and the right top angular point is (x_lr, y_lr), wherein, x_ul, y_ul, x_lr, y_lr are all integers, and 0≦

x_ul<

x_lr<

Width_scr, 0≦

y_ul<

y_lr<

Height_scr;

supposing the position of the remote controller in the imaging plane of the camera is (x_cam, y_cam), (x_scr, y_scr) the position is after mapping to the screen coordinate system, then the mapping relationship can be expressed as follows;

2. The remote control system according to claim 1, wherein, the instruction parsing unit (124) comprises an identifying unit which forms the characteristic composition images extracted by the characteristic extraction unit (123) into a sequence according to the time order, then identifies the moving track to corresponding motion mode.

3. The remote control system according to claim 1, wherein, the remote controller (110) comprises a left key (310), a right key (320) and a signal transmitter (112) connected to the left key (310) and the right key (320), wherein, the controlled apparatus (120) comprises a wireless receiving apparatus (128) for receiving instruction transmitted from the wireless transmitting apparatus (112) on the remote controller (110), and transmitting the instruction to the processing control system (121) for processing.

4. The remote control system according to claim 1, wherein, the processing control system (121) further comprises a 3D reconstructing unit (129) arranged between the characteristic extraction unit (123) and the instruction parsing unit (124), and the 3D reconstructing unit (129) is used for 3D reconstructing the obtained moving track of the remote controller characteristic composition (111), so as to identify control instruction from the 3D track position by the instruction parsing unit (124).