Optical pointing device

Details Optical pointing device Optical pointing device

2004-11-01

2009-02-03

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

C345S160000

Reexamination Certificate

active

07486275

ABSTRACT:
An optical pointing device includes a variable frame rate controller to reduce power consumption. Frame rate can be varied through analog devices by varying the reference current, or through digital devices by varying the length of time between successive frames. The variable frame rate controller can accept input from various measurements such as velocity of the device, or a spatial frequency of the surface on which the device is situated.

REFERENCES:
patent: 6281882 (2001-08-01), Gordon et al.
patent: 6995748 (2006-02-01), Gordon et al.
patent: 7298359 (2007-11-01), Kim et al.
patent: 2002/0185617 (2002-12-01), Oliver et al.
patent: 1255219 (2002-11-01), None
patent: 1283493 (2003-02-01), None
patent: 1313062 (2003-05-01), None

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