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. 14, 1995
Filed:
Dec. 16, 1993
Applicant:
Inventors:
Sanford S Lum, Scarborough, CA;
Edward G Callway, Toronto, CA;
Assignee:
ATI Technologies, Inc., Thornhill, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
348676 ; 348675 ;
Abstract
The present invention relates to a method of processing video signals comprised of gamma correcting pixel data of a first signal, gamma correcting pixel data of a second signal, adding the gamma corrected first and second signals to form a sum signal, dividing the sum signal by a factor to form a processed signal, and reverse gamma correcting the processed signal, whereby merged pixel data is produced for generation of a display.