System and method for providing roll compensation

• US 9,052,752 B2
• Filed: 06/26/2008
• Issued: 06/09/2015
• Est. Priority Date: 09/26/2007
• Status: Active Grant

• Current Assignee: InterDigital Patent Holdings, Inc. (InterDigital, Inc.)
• Original Assignee: Thomson Licensing (Vantiva SA)
• Inventors: Mason, Walter M.
• Primary Examiner(s): Barbee, Manuel L
• Application Number:
  US12/680,256
• Publication Number:
  US 20100328212A1
• Time in Patent Office: 2,539 Days
• Field of Search: 702/93
• US Class Current: 1/1
• CPC Class Codes: G06F 3/0346 with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
• CPC Class Codes: H04M 1/72415 for remote control of appliances
• CPC Class Codes: H04M 2250/12 including a sensor for measuring a physical value, e.g. temperature or motion telephones including GPS signal receivers H04M2250/10

Abstract

The embodiments of the present disclosure are directed towards a method and apparatus for providing roll compensation in a control device, the method and apparatus including acquiring rotational data and linear data indicative of movement of the control device, applying roll compensation to the acquired data, and removing a roll compensation error from the roll compensated data. Inertial sensors such as gyroscope sensors and accelerometer sensor(s) may be used to acquire the rotational and linear data.

Claims

1. A method for providing roll compensation in a control device, the method comprising:

generating a signal from at least one sensor element, the signal including rotational data and linear data, the signal generated as a result of movement of the control device;

applying, by a processor, a roll compensation to the rotational data in the signal, the roll compensation being applied without translating a frame of reference for the control device;

processing, by a processor, the linear data in the signal to determine a roll compensation error, the roll compensation error being an undesirable effect of applying the roll compensation;

removing, by a processor, the roll compensation error from the roll compensated rotational data, the roll compensation error computed without calculating centrifugal acceleration and linear acceleration; and

producing an output signal indicative of motion of the control device based on the generated signal and the roll compensated data with the roll compensation error removed, the output signal used for control of graphics on a display by the control device.

2. The method of claim 1, wherein acquiring rotational data includes receiving rotational data from a gyroscope sensor.

3. The method of claim 1, wherein acquiring linear data includes receiving linear data from an accelerometer.

4. The method of claim 1, wherein the output signal is further used to control a movement of a graphical element.

5. The method of claim 4, wherein the graphical element is one of a cursor, a highlight box, a menu, a game character and a graphical object.

6. The method of claim 1, wherein the output signal is further used to control a movement of a movable device after the roll compensation error is removed from the roll compensated data.

7. The method of claim 6, wherein the movable device is one of a remote controlled car, remote controlled plane, remote controlled boat and remote controlled electro-mechanical device.

8. The method of claim 1, wherein the control device is one of a remote control, a mouse, a game controller, a virtual reality controller, a pointer, a mobile device and a digital media input devices.

9. The method of claim 1, wherein the control device is integrated into a hand-held platform.

10. The method of claim 9, wherein the hand-held platform is one of a game console, a personal digital assistant, a cell phone, a wireless phone and a mobile television.

11. The method of claim 1, wherein the control of graphics further includes at least one of a movement of graphic elements on a display and a selection of graphic elements on the display.

12. A control device comprising:

means for generating a signal based on movement of the control device, the signal including rotational data and linear data;

means for applying a roll compensation to the rotational data in the signal, the roll compensation being applied without translating a frame of reference for the control device;

means for processing the linear data in the signal to determine a roll compensation error, the roll compensation error being an undesirable effect of applying the roll compensation;

means for removing the roll compensation error from the roll compensated rotational data, the roll compensation error computed without calculating centrifugal acceleration and linear acceleration; and

means for producing an output signal indicative of motion of the control device based on the generated signal and the roll compensated data with the roll compensation error removed, the output signal used for control of graphics on a display by the control device.

13. The control device of claim 12, wherein the means for acquiring rotational data is a gyroscope sensor.

14. The control device of claim 12, wherein the means for acquiring linear data includes an accelerometer.

15. The control device of claim 12, the output signal is further used to control a movement of a graphical element.

16. The control device of claim 15, wherein the graphical element is one of a cursor, a highlight box, a menu, a game character and a graphical object.

17. The control device of claim 12, wherein the output signal is further used control a movement of a movable device.

18. The control device of claim 17, wherein the movable device is one of a remote controlled car, remote controlled plane, remote controlled boat and remote controlled electro-mechanical device.

19. The control device of claim 12, wherein the control device is one of a remote control, a mouse, a game controller, a virtual reality controller, a pointer, a mobile device and a digital media input devices.

20. The control device of claim 12, wherein the control device is integrated into a hand-held platform.

21. The control device of claim 20, wherein the hand-held platform is one of a game console, a personal digital assistant, a cell phone, a wireless phone and a mobile television.

22. The control device of claim 12, wherein the output signal is further used control at least one of a movement of graphic elements on a display and a selection of graphic elements on the display.

23. An apparatus comprising:

a first sensor that generates a first signal as a result of a movement of the apparatus, the first signal including rotational data;

a second sensor that generates a second signal as a result of the movement of the apparatus, the second signal including linear data; and

a controller that receives the first signal and the second signal, the controller applying a roll compensation to the rotational data in the first signal, the roll compensation being applied without translating a frame of reference for the apparatus and processing the linear data in the second signal to determine a roll compensation error, the roll compensation error being an undesirable effect of applying the roll compensation, the controller further removing the roll compensation error from the roll compensated rotational data to produce an output signal indicative of motion of the apparatus, the output signal used to control graphics on a display,

wherein the roll compensation error is computed without calculating centrifugal acceleration and linear acceleration.

24. The apparatus of claim 23, wherein the first sensor is a gyroscope sensor.

25. The apparatus of claim 23, wherein the second sensor includes an accelerometer.

26. The apparatus of claim 23, the output signal is further used to control a movement of a graphical element.

27. The apparatus of claim 26, wherein the graphical element is one of a cursor, a highlight box, a menu, a game character and a graphical object.

28. The apparatus of claim 23, wherein the output signal is further used control a movement of a movable device.

29. The apparatus of claim 28, wherein the movable device is one of a remote controlled car, remote controlled plane, remote controlled boat and remote controlled electro-mechanical device.

30. The apparatus of claim 23, wherein the apparatus is one of a remote control, a mouse, a game controller, a virtual reality controller, a pointer, a mobile device and a digital media input devices.

31. The apparatus of claim 23, wherein the apparatus is integrated into a hand-held platform.

32. The apparatus of claim 31, wherein the hand-held platform is one of a game console, a personal digital assistant, a cell phone, a wireless phone and a mobile television.

33. The apparatus of claim 23, wherein the output signal is further used to control at least one of a movement of graphic elements on a display and a selection of graphic elements on the display.

34. An apparatus comprising:

a first sensor that generates a first signal as a result of a movement of the apparatus, the first signal including rotational data;

a second sensor that generates a second signal as a result of the movement of the apparatus, the second signal including linear data; and

a controller that receives the first signal and the second signal, the controller applying a roll compensation to the rotational data in the first signal, the roll compensation being applied without translating a frame of reference for the apparatus and processing the linear data in the second signal to determine a roll compensation error, the roll compensation error being an undesirable effect of applying the roll compensation, the controller further removing the roll compensation error from the roll compensated data to produce an output signal indicative of motion of the apparatus, the output signal used to control a movement of a movable device,

wherein the roll compensation error is computed without calculating centrifugal acceleration and linear acceleration.

35. The apparatus of claim 34, wherein the first sensor is a gyroscope sensor.

36. The apparatus of claim 34, wherein the second sensor includes an accelerometer.

37. The apparatus of claim 34, wherein the output signal is further used to control a movement of a graphical element.

38. The apparatus of claim 37, wherein the graphical element is one of a cursor, a highlight box, a menu, a game character and a graphical object.

39. The apparatus of claim 34, wherein the movable device is one of a remote controlled car, remote controlled plane, remote controlled boat and remote controlled electro-mechanical device.

40. The apparatus of claim 34, wherein the apparatus is one of a remote control, a mouse, a game controller, a virtual reality controller, a pointer, a mobile device and a digital media input devices.

41. The apparatus of claim 34, wherein the apparatus is integrated into a hand-held platform.

42. The apparatus of claim 41, wherein the hand-held platform is one of a game console, a personal digital assistant, a cell phone, a wireless phone and a mobile television.

43. The apparatus of claim 34, wherein the output signal is further used to control at least one of a movement of graphic elements on a display and a selection of graphic elements on the display.

44. A method comprising:

generating a signal from at least one sensor element, the signal including rotational data and linear data, the signal generated as a result of movement of the control device;

applying, by a processor, a roll compensation to the rotational data in the signal, the roll compensation being applied without translating a frame of reference for the control device;

processing, by a processor, the linear data in the signal to determine a roll compensation error, the roll compensation error being an undesirable effect of applying the roll compensation;

removing, by a processor, the roll compensation error from the roll compensated rotational data, the roll compensation error computed without calculating centrifugal acceleration and linear acceleration; and

producing an output signal indicative of motion of the control device based on the generated signal and the roll compensated data with the roll compensation error removed, the output signal used to control a movement of a movable device.

45. The method of claim 44, wherein acquiring rotational data includes receiving rotational data from a gyroscope sensor.

46. The method of claim 44, wherein acquiring linear data includes receiving linear data from an accelerometer.

47. The method of claim 44, wherein the output signal is further used to control a movement of a graphical element.

48. The method of claim 47, wherein the graphical element is one of a cursor, a highlight box, a menu, a game character and a graphical object.

49. The method of claim 44, wherein the movable device is one of a remote controlled car, remote controlled plane, remote controlled boat and remote controlled electro-mechanical device.

50. The method of claim 44, wherein the control device is one of a remote control, a mouse, a game controller, a virtual reality controller, a pointer, a mobile device and a digital media input devices.

51. The method of claim 44, wherein the control device is integrated into a hand-held platform.

52. The method of claim 51, wherein the hand-held platform is one of a game console, a personal digital assistant, a cell phone, a wireless phone and a mobile television.

53. The method of claim 44, wherein the output signal is further used to control at least one of a movement of graphic elements on a display and a selection of graphic elements on the display.