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:
Jun. 21, 1977
Filed:
Mar. 19, 1976
Applicant:
Inventors:
Assignees:
Hitachi, Ltd., BOTH OF, JA;
Nippon Hoso Kyokai, BOTH OF, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358223 ;
Abstract
This specification discloses an improvement in an image pickup device incorporating therein an optical system which reduces the delay of the photoelectric signal by separately adding bias light to the light from an object. The improvement is characterized in that the bias light is introduced through that portion of the face plate which makes no contribution to image pickup.