Optical joystick for hand-held communication device
First Claim
Patent Images
1. A hand-held communication device, comprising:
- a housing;
a swivel assembly coupled to said housing;
a stylus; and
an image capture device in said swivel assembly for capturing images of the stylus;
wherein the captured images of the stylus are processed for tracking movement of the stylus with respect to the housing, the movement of the stylus being used for controlling a function of the hand-held communication device, the swivel assembly providing an adjustment of an angle of said image capture device with respect to said housing.
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Abstract
An optical joystick for a hand-held communication device employs an image capture device for sensing movement of a stylus by capturing images of the stylus or a target attached to a socket receiving the stylus. The captured images are processed for tracking movement of the stylus so that movement of the stylus may be used for controlling functions of the hand-held communication device.
25 Citations
19 Claims
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1. A hand-held communication device, comprising:
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a housing; a swivel assembly coupled to said housing; a stylus; and an image capture device in said swivel assembly for capturing images of the stylus; wherein the captured images of the stylus are processed for tracking movement of the stylus with respect to the housing, the movement of the stylus being used for controlling a function of the hand-held communication device, the swivel assembly providing an adjustment of an angle of said image capture device with respect to said housing. - View Dependent Claims (2, 3, 4, 5, 14, 16, 17)
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6. A hand-held communication device, comprising:
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a housing having a display for displaying information; a swivel assembly disposed in the housing; a camera disposed in the swivel assembly for capturing images of a stylus, the stylus being capable of movement with respect to the housing; wherein the captured images of the stylus are processed for tracking movement of the stylus, the movement of the stylus being used for controlling the display of information by the display, the swivel assembly providing an adjustment of an angle of said camera with respect to said housing. - View Dependent Claims (7, 8, 15, 18, 19)
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9. An optical joystick for a hand-held communication device, comprising:
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a chamber formed within the hand-held communication device; a socket for receiving an end of a stylus, the socket extending into the chamber and including a target; and an image capture device disposed in the chamber for capturing images of the target, wherein the captured images of the target are processed for tracking movement of the stylus, the movement of the stylus being used for controlling a function of the hand-held communication device. - View Dependent Claims (10, 11)
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12. A hand-held communication device, comprising:
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a housing having a display for displaying information; a chamber formed within the housing; a socket for receiving an end of a stylus, the socket extending into the chamber and including a target; and an image capture device disposed in the chamber for capturing images of the target, wherein the captured images of the target are processed for tracking movement of the stylus, the movement of the stylus being used for controlling the display of information by the display. - View Dependent Claims (13)
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Specification