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.

Date of Patent:
Nov. 05, 1996

Filed:

Dec. 14, 1992
Applicant:
Inventors:

Tetsuji Kajitani, Osaka, JP;

Ariyoshi Hikosaka, Osaka, JP;

Hideo Azumai, Toyonaka, JP;

Satoshi Iwatsubo, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358461 ; 358464 ; 382274 ;
Abstract

Data ID obtained by making analog-to-digital conversion of an output of an image sensor or the like is subjected to shading correction, to obtain correction data SOUT. The correction data SOUT is found by the following equation using white reference data WST and black reference data BST: ##EQU1## where K is a coefficient.


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