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:
Nov. 17, 1992
Filed:
Jul. 24, 1990
Applicant:
Inventors:
Shinsuke Koyama, Chiba, JP;
Osamu Watanabe, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ;
U.S. Cl.
CPC ...
358160 ; 358 22 ;
Abstract
A special effect generator is arranged such that read address calculations for special effect processing of an original video image are limited only to the region within which the processed video image is located on the display screen, so that calculations of read addresses are simplified. The coordinates and image rotation information for several different video special effects are stored in a read-only-memory and are used to limit the address generation operation based on the coordinate boundaries of the image on the video screen, so that only those addresses actually required for the special effect are calculated.