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:
Dec. 11, 1984
Filed:
Nov. 19, 1982
Applicant:
Inventors:
Geoffrey W Perkins, Chandler, AZ (US);
Gerald K Lunn, Scottsdale, AZ (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358158 ; 358153 ; 358154 ;
Abstract
In a T.V. integrator circuit which separates vertical and horizontal synchronization pulses, the time constants thereof are set by extracting from the integrator a current representative of a reference current which is used to trim an associated horizontal oscillator. Current mirror circuits are used to both generate the representative signal at the horizontal oscillator and to extract the representative signal at the integrator.