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:
Feb. 09, 1999
Filed:
Jun. 26, 1997
Applicant:
Inventor:
Tsutomu Fukatsu, Kanagawa-ken, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M / ;
U.S. Cl.
CPC ...
348642 ;
Abstract
A carrier chrominance signal forming device is provided with input parts for receiving a plurality of kinds of complementary color signals and a carrier chrominance signal forming part for forming a carrier chrominance signal by performing computing operations on the complementary color signals received by the input parts. These parts are arranged to enable the device to stably form a carrier chrominance signal from the complementary color signals with a compact circuit arrangement.