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:
Mar. 20, 1979
Filed:
Jun. 27, 1977
Applicant:
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358223 ;
Abstract
In an image pickup tube device of the class comprising an image pickup tube including a face plate and a coil assembly surrounding the tube and a bias light source device including a plurality of luminous elements mounted in a hollow circular disc shaped frame, the frame is positioned in coaxial relationship with respect to the image pickup tube device by a recess provided for the frame for receiving the face plate, an annular projection at one end of the coil assembly for receiving the frame, or both.