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:
Apr. 14, 1981
Filed:
Jan. 09, 1979
Applicant:
Inventors:
Takeshi Sekiguchi, Tokyo, JP;
Shigeru Ohshima, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358 55 ; 358223 ;
Abstract
A TV camera comprises an objective lens, a color resolving prism, image pickup devices provided in opposed relationship with the respective exit surfaces of the color resolving prism, and a bias light device. This TV camera is characterized by a novel, small color resolving prism. The color resolving prism comprises four sub-prisms each having a refractive index of 1.6 or higher. The vertical angles of the respective sub-prisms are:
Sekiguchi, Takeshi. (1981). Tv camera (U.S. Patent No. 4262305). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4262305
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile