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:
Aug. 08, 2000
Filed:
Jul. 18, 1997
Applicant:
Inventor:
Daisuke Hata, Saitama, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
348229 ; 348296 ; 348405 ;
Abstract
In a digital camera, a gain for a variable gain amplifier is controlled by a controller so that when a signal level of an image signal for a CCD is corrected by the variable gain amplifier, a quantization error or an exposure error generated when a shutter speed is set by a unit of CCD electric charge sweep-away pulse will be offset.