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:
Apr. 28, 1998
Filed:
Apr. 24, 1995
Applicant:
Inventor:
Mamoru Miyashita, Asaka, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ;
U.S. Cl.
CPC ...
348241 ; 348 96 ; 348674 ;
Abstract
A luminance signal obtained by negative-positive inverting and gamma-correcting a signal indicating an image on a negative film and a contour correction signal Y.sub.ap generated from the luminance signal Y are input, and a signal Y.sub.ap1 and a signal Y.sub.ap2 are obtained by an adder, a subtractor and an adder in accordance with following equations :
Miyashita, Mamoru. (1998). Noise elimination circuit in negative image pickup apparatus (U.S. Patent No. 5745172). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5745172
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile