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:
Aug. 22, 2000

Filed:

Feb. 25, 1997
Applicant:
Inventors:

Kazutaka Naka, Yokohama, JP;

Hiroyuki Urata, Yokohama, JP;

Atsushi Maruyama, Yokohama, JP;

Kiyoshi Yamamoto, Yokohama, JP;

Akira Hibara, Chigasaki, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G / ; G09G / ;
U.S. Cl.
CPC ...
345 99 ; 345-1 ;
Abstract

A video signal processor for outputting a video signal based on an output horizontal synchronizing signal and an output vertical synchronizing signal. The processor includes a circuit inputting a reference horizontal synchronizing signal, a circuit inputting a reference vertical synchronizing signal, a circuit generating an output horizontal synchronizing signal having a frequency different from that of the reference horizontal synchronizing signal, and a circuit generating an output vertical synchronizing signal synchronized in phase with the reference vertical synchronizing signal.


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