Programmable optical pointing device

Details Programmable optical pointing device Programmable optical pointing device

2004-11-23

2009-02-10

Lefkowitz, Sumati (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

C345S156000, C345S157000, C345S163000

Reexamination Certificate

active

07489300

ABSTRACT:
A programmable optical pointing device. A read/write storage chip stores control code, and an integrated chip includes a photo sensor array and a control circuit. The control circuit reads the control code from the read/write storage chip and accordingly drives the photo sensor array to detect images on an operating surface.

REFERENCES:
patent: 4160131 (1979-07-01), Kaul et al.
patent: 2002/0057207 (2002-05-01), Sgambati et al.
patent: 2003/0132288 (2003-07-01), Fulcher et al.
patent: 2003/0179598 (2003-09-01), Chen
patent: 2004/0017355 (2004-01-01), Shim
patent: 2005/0190158 (2005-09-01), Casebolt et al.

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