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:
Aug. 27, 1985
Filed:
Jun. 07, 1983
Hirotaka Otsuka, Kawasaki, JP;
Katsuo Nakazato, Tokyo, JP;
Kunio Sannomiya, Atsugi, JP;
Hidehiko Kawakami, Tokyo, JP;
Hiroyoshi Tsuchiya, Kawasaki, JP;
Hideo Uchida, Tokyo, JP;
Matsushita Electric Industrial Company, Limited, both of, JP;
Matsushita Graphic Communication Systems, Inc., both of, JP;
Abstract
A method for processing a video signal comprises defining a successively shifted scan window with respect to the signal level of each picture element from which said video signal has been derived, totalizing the quantum numbers of the picture elements in the scan window corresponding to the original screen dot, and reconstructing black picture elements corresponding to the total value of the quantum numbers faithfully to the area of the original dot, and an apparatus for carrying out the method.