Patent · US Expired

Method and apparatus for producing a time advanced output pulse train from an input pulse train

US4518998A · kind A · utility

10Cited by
6References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 3, 1982
Grant dateMay 21, 1985
Priority date
Expiry dateJun 3, 2002

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N2201/04798
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A method and apparatus for producing a time advanced pulse train from an input pulse train using a phase locked loop with time delayed feedback. The apparatus is used to generate clock signals that occur at a precise relationship to the position of a scanning or writing laser beam.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.