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:
Apr. 26, 1983

Filed:

Jan. 07, 1982
Applicant:
Inventors:

Yozo Iida, Komae, JP;

Soichi Nakamura, Kamakura, JP;

Assignee:

Nippon Kogaku K.K., Tokyo, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358 55 ; 358 44 ; 358224 ;
Abstract

There is described an optical finder system for use with video cameras of the type having a tri-color separation color filter. Positioned in the finder optical path is an optical member onto which the image of an object to be picked up is projected and the optical member has an irregular pattern which is the same or similar to that of the color filter, whereby Moire fringes similar to those produced by the object image in cooperation with the color filter are produced on the finder focussing or imaging surface.


Find Patent Forward Citations

Loading…