Patent · US Expired

A/D converter circuit for video signals having different time frequencies

US4958156A · kind A · utility

6Cited by
4References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 5, 1988
Grant dateSep 18, 1990
Priority date
Expiry dateApr 5, 2008

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G5/008
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An A/D (analog-to-digital) converter circuit that controls a frequency characteristic of an input video signal in response to a sampling signal of a variable frequency to reduce distortions such as a folded distortion and so on caused by the A/D conversion.

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