Gamma voltage generation circuit

Details Gamma voltage generation circuit Gamma voltage generation circuit

2006-07-07

2010-02-02

Kumar, Srilakshmi K (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C349S085000

Reexamination Certificate

active

07656376

ABSTRACT:
A gamma-voltage generation circuit is arranged to output groups of gamma voltages. The circuit has a resister string and several switches. The resistor string has several resistors connected in series and is grouped into several segments, wherein each of the segments provides one of the gamma voltages. The switches respectively couple to several nodes between the resistors in one of the segments. Wherein the switches are closed when one of the groups of the gamma voltages are output and the switches are opened when another one of the groups of the gamma voltages are output.

REFERENCES:
patent: 2003/0151617 (2003-08-01), Morita
patent: 1437083 (2003-08-01), None
patent: 2005-202057 (2005-07-01), None

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