Optical mouse with stationary sensors

Details Optical mouse with stationary sensors Optical mouse with stationary sensors

2006-05-16

2006-05-16

Lefkowitz, Sumati (Department: 2675)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

C345S215000, C345S158000, C345S175000

Reexamination Certificate

active

07046231

ABSTRACT:
A computer system featuring a wireless method for securing the system against unauthorized use and controlling cursor movement including a computer with a built in mouse area. The mouse area has a window of transparent medium and an LED and camera with photosensor array housed within the camera. The camera records images of surfaces of an object pressed against the outer surface of the transparent medium. In another embodiment the, object is a SMART card with circuitry communicating wirelessly with circuitry inside the computer.

REFERENCES:
patent: 4254333 (1981-03-01), Bergstrom
patent: 5801681 (1998-09-01), Sayag
patent: 6166370 (2000-12-01), Sayag
patent: 6255643 (2001-07-01), Sayag
patent: 6320177 (2001-11-01), Sayag
patent: 6707027 (2004-03-01), Liess et al.
patent: 2004/0046741 (2004-03-01), Low et al.

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