The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 18, 2005

Filed:

Aug. 06, 2002
Applicants:

Yen-chen Chen, Tainan, TW;

Chien-pin Chen, Yungkang, TW;

Chuan-cheng Hsiao, Chiai, TW;

Lin-kai Bu, Tainan, TW;

Kun-cheng Hung, Hsinchu, TW;

Inventors:

Yen-Chen Chen, Tainan, TW;

Chien-Pin Chen, Yungkang, TW;

Chuan-Cheng Hsiao, Chiai, TW;

Lin-Kai Bu, Tainan, TW;

Kun-Cheng Hung, Hsinchu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G003/36 ;
U.S. Cl.
CPC ...
Abstract

An apparatus for switching output voltage signals includes a resistor string, a first switching device set for delivering a number of gamma voltage input signals, a second switching device set for delivering a high voltage input signal and a low voltage input signal, and a switch selecting device coupled to the first switching device set and the second switching device set. When the switch selecting device outputs a first signal, the first switching device set can deliver the gamma voltage input signals to the resistor string; when the switch selecting device outputs a second signal, the second switching device set will deliver the high voltage input signal and the low voltage input signal to the resistor string.


Find Patent Forward Citations

Loading…