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:
Mar. 11, 1997
Filed:
Dec. 23, 1991
Applicant:
Inventors:
Vinod Kadakia, Rancho Palos Verdes, CA (US);
Christine Kang, Los Angeles, CA (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06T / ;
U.S. Cl.
CPC ...
382297 ; 345126 ; 395137 ;
Abstract
In a circuit for rotating a digital image any multiple of ninety degrees, an addressing method which reduces the number of address lines required. The rotation circuit relies on a memory configuation which can access each image pixel in memory individually, and this normally requires a large number of address lines. This invention takes advantage of the periodic nature of the data being accessed to reduce the number of address lines required.