Patent · US Expired

Programmable video frame detector

US5608461A · kind A · utility

4Cited by
6References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 29, 1995
Grant dateMar 4, 1997
Priority date
Expiry dateMar 29, 2015

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N5/10
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A synchronizing device is described. The synchronizing device detects a video frame. The synchronizing device determines a duration of a first signal state of a video signal, determines a duration of a second signal state of the video signal and compares the duration of a first signal state with the duration of a second signal state.

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