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:
Sep. 10, 2002
Filed:
Oct. 06, 1997
Applicant:
Inventors:
Masao Suzuki, Tokyo, JP;
Saburo Nakazato, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/335 ; H04N 9/04 ; H04N 5/225 ; H04N 5/232 ;
U.S. Cl.
CPC ...
H04N 5/335 ; H04N 9/04 ; H04N 5/225 ; H04N 5/232 ;
Abstract
An image pickup apparatus which is capable of forming an image signal having a high resolution when a monotone image is photographed by a structure having a switching circuit for switching between a first photographing mode in which an electric signal transmitted from an image pickup device is used to form a color natural image signal and a second photographing mode for forming a high resolution image signal of a monochrome object to insert/remove an optical low pass filter in accordance with the switching operation, wherein the length of the optical passage is corrected by another optical system.