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:
Feb. 20, 1979
Filed:
Apr. 18, 1977
Applicant:
Inventor:
Thomas P Liu, Liverpool, NY (US);
Assignee:
General Electric Company, Syracuse, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358219 ; 358228 ;
Abstract
A picture signal generator includes a fast-acting servo loop responsive to changes in video output level to adjust image tube photocathode-to-storage-target accelerating voltage to maintain desired video output level, and a slow-acting servo loop responsive to the output of a portion of the fast-acting servo loop for adjusting input light level to the photocathode for optimum image tube operation.