Patent · US Expired

Apparatus for processing video signals

US4517606A · kind A · utility

34Cited by
8References
45Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 21, 1984
Grant dateMay 14, 1985
Priority date
Expiry dateSep 21, 2004

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N1/4055
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A video signal processing apparatus for encoding video into binary signals employs dither coding. The apparatus comprises a device for setting a plural number of divided areas of an original image and a processing circuit for processing video signals corresponding to the respective divided areas using different dither patterns.

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