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.
Patent No.:
Date of Patent:
Mar. 16, 2004
Filed:
Nov. 29, 2001
Applicant:
Inventor:
Shigeki Aoki, Shiojiri, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/36 ;
U.S. Cl.
CPC ...
G09G 3/36 ;
Abstract
A semiconductor device is equipped with segment signal output terminals S -S that output segment signals, common signal output terminals C -C that output common signals, dummy terminals NC -NC , input terminals P -P , bi-directional shift registers that operate to output common output signals from the common signal output terminals C -C , a shift direction signal output circuit that controls the shift registers , a common direction scanning signal input control circuit , and a shift register connection control circuit