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. 28, 1995
Filed:
May. 23, 1994
Applicant:
Inventor:
Ryo Fujimoto, Kanagawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
348232 ; 348183 ; 348522 ;
Abstract
An image signal processing device for processing an image signal is arranged to temporarily store the image signal inputted and a reference signal generated, and, after that, to read out the signals stored. This arrangement enables the signal processing device to accurately add the reference signal to the image signal without deteriorating the reference signal.