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. 13, 1990
Filed:
Mar. 16, 1988
Applicant:
Inventors:
Sherman E DeForest, Del Mar, CA (US);
Saied Benyamin, Solana Beach, CA (US);
Richard G Hier, Poway, CA (US);
Robert A Kruger, Salt Lake City, UT (US);
Robert L Power, Salt Lake City, UT (US);
Gregory W Schmidt, Olivenhain, CA (US);
William A Schmidt, Encinitas, CA (US);
Assignee:
Digivision, Inc., San Diego, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
382 54 ; 382 32 ; 382 31 ; 382-6 ; 358111 ; 3503 / ;
Abstract
The human-eye viewing of an image on a transparency is enhanced by adaptively modulating illumination of the transparency with an unsharp, complementary representation of the image.