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:
Apr. 29, 2008

Filed:

Jun. 22, 2006
Applicants:

Ming-chun Tseng, Tainan County, TW;

Hong-ru Guo, Tainan County, TW;

Chien-hsiang Hunag, Tainan County, TW;

Inventors:

Ming-Chun Tseng, Tainan County, TW;

Hong-Ru Guo, Tainan County, TW;

Chien-Hsiang Hunag, Tainan County, TW;

Assignees:

Chi Mei El Corporation, Tainan Science-Based Industrial Park, Tainan County, TW;

Chi Mei Optoelectronics Corporation, Tainan Science-Based Industrial Park, Tainan County, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A bidirectional shift register includes a former stage multiplexer, a latter stage multiplexer, a former stage full-swing shift register, and a latter stage full-swing shift register, all of which have a plurality of registers all of the same type. The former and the latter stage multiplexers output signals according to a forward clock, a backward clock, a forward control signal, and a backward control signal. The former and the latter stage full-swing shift register store the signals output from the former and the latter stage full-swing shift registers respectively.


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