Optically based input mechanism for a handheld electronic communication device
First Claim
Patent Images
1. A handheld electronic communication device, comprising:
- a body having a display screenan optically based user input device comprising;
a light-transmissive disc-shaped member having an upper surface, the disc-shaped member being rotatable about an axis that is substantially perpendicular to the upper surface; and
an image sensor in optical communication with at least a portion of the disc-shaped member, the image sensor positioned to detect a location of an external object that contacts the disc-shaped member; and
a microprocessor communicatively coupled between the image sensor and the display screen, the microprocessor programmed to receive image signals from the image sensor and to generate signals for navigating a cursor on the display screen.
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Abstract
Handheld electronic communication device is presented and includes a body with a display screen and an optically based user input device. The optically based user input device is a light-transmissive tubular member. The light-transmissive tubular member has an exposed surface and an image sensor. The handheld electronic communication device further includes a microprocessor which is connected between the image sensor and the display screen. The microprocessor is capable of executing a microprocessor-run program, which receives input data representative of cursor guidance instructions from the image sensor and processes the data for output on the display screen.
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Citations
10 Claims
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1. A handheld electronic communication device, comprising:
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a body having a display screen an optically based user input device comprising; a light-transmissive disc-shaped member having an upper surface, the disc-shaped member being rotatable about an axis that is substantially perpendicular to the upper surface; and an image sensor in optical communication with at least a portion of the disc-shaped member, the image sensor positioned to detect a location of an external object that contacts the disc-shaped member; and a microprocessor communicatively coupled between the image sensor and the display screen, the microprocessor programmed to receive image signals from the image sensor and to generate signals for navigating a cursor on the display screen. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification