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:
Oct. 24, 1995
Filed:
Dec. 10, 1993
Applicant:
Inventor:
Akihiko Shiraishi, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
348291 ; 348342 ; 359569 ; 359571 ; 359572 ;
Abstract
In a color image pickup apparatus having an objective lens or a member for removably mounting the objective lens, an image pickup device for converting the image of an object formed by the objective lens into a color electrical signal, and an optical low-pass filter comprising a diffraction grating and disposed between the rear end of the objective lens and the image pickup device, the optical low-pass filter satisfies the condition.
Quick Actions:
Shiraishi, Akihiko. (1995). Color image pickup apparatus provided with a diffraction type low-pass (U.S. Patent No. 5461418). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5461418
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile