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:
Jan. 06, 1987
Filed:
Nov. 12, 1985
Applicant:
Inventor:
Melvin E Swanberg, Claremont, CA (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L / ; H04N / ;
U.S. Cl.
CPC ...
331 10 ; 331 17 ; 331 25 ; 328155 ; 358265 ; 358267 ;
Abstract
A temporal pixel clock synchronization system with jitter correction for an optical scanning system having a continuously running pixel clock source, circuitry for generating timing error signals having an amplitude representing any phase error between start of scan and start of pixel count pulses and any phase error between end of scan and end of pixel count pulses and circuitry, including a switched filter circuit with two storage elements for each facet of the polygon of the system, for generating a frequency correction signal for the pixel clock source.