Computer input device for automatically scrolling

Details Computer input device for automatically scrolling Computer input device for automatically scrolling

2007-05-01

2010-12-28

Dharia, Prabodh M (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

C345S158000, C345S159000, C345S161000, C345S163000

Reexamination Certificate

active

07859517

ABSTRACT:
A computer input device includes a body and a trace-detecting module coupled to the body. The body has a micro control unit (MCU), and the trace-detecting module has at least a light pervious area, and a trace-detecting unit. The trace-detecting unit further has at least a light source and a sensor. The sensor senses a reflected light beam caused by movement of a user's digit movement on the light pervious area at a velocity which can be sensed by the sensor. If the velocity exceeds a threshold stored in the MCU, the MCU executes automatically scrolling at a predetermined scrolling speed.

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