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:
May. 14, 1985
Filed:
Sep. 21, 1984
Applicant:
Inventors:
Yoshikazu Yokomizo, Kawagoe, JP;
Takehiko Shibata, Kokubunji, JP;
Katsuichi Shimizu, Kunitachi, JP;
Ken Miyagi, Yokohama, JP;
Akira Suzuki, Kawasaki, JP;
Tadashi Yoshida, Tokyo, JP;
Masaharu Tsukata, Kawasaki, JP;
Koichi Murakami, Yokohama, JP;
Nao Nagashima, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358280 ; 358283 ; 382 50 ;
Abstract
A video signal processing apparatus for encoding video into binary signals employs dither coding. The apparatus comprises a device for setting a plural number of divided areas of an original image and a processing circuit for processing video signals corresponding to the respective divided areas using different dither patterns.