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. 18, 1989
Filed:
Jul. 07, 1987
Applicant:
Inventors:
Mitsuaki Toyama, Musashino, JP;
Tameaki Ebihara, Yamato, JP;
Syohei Kawai, Sagamihara, JP;
Keizo Kono, Tokyo, JP;
Nobuo Shimoda, Hachioji, JP;
Assignee:
Victor Company of Japan, Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ; H04N / ;
U.S. Cl.
CPC ...
358 51 ; 358 50 ; 358 55 ;
Abstract
A three tube type color television camera comprises an optical system using a prism for the three color separation in which an image of a test pattern is introduced into an optical path of the camera through the optical system. The optical system has an incident plane onto which the image of the test pattern is projected by a pattern projector closely located with respect to the incident plane.