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:
Jan. 22, 2002
Filed:
Sep. 30, 1999
Akira Nakazawa, Kanagawa, JP;
Masakazu Kitamura, Kanagawa, JP;
Kiyoshi Tamai, Kanagawa, JP;
Makoto Nagai, Kanagawa, JP;
Optrex Corporation, Tokyo, JP;
Abstract
Presented is a driving device for a liquid crystal panel , which is provided with a controller , a memory , a row selection pattern generating circuit , a row voltage generating circuit , a latch circuit B, a column voltage generating circuit and an operating circuit (a line buffer group , a comparator circuit , adder circuits A, B, a latch circuit A and an imaginary data generating circuit ), wherein an orthogonal matrix B of 6 simultaneously selected rows and 2 imaginary rows which is formed by expanding an orthogonal matrix A of 4 rows is used for a row selection pattern, and column output voltages are operated with a unit of A.