Patent · US Expired

Apparatus and method for producing a variety of video wipe borders

US4764809A · kind A · utility

16Cited by
13References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 12, 1986
Grant dateAug 16, 1988
Priority date
Expiry dateNov 12, 2006

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N5/265
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An apparatus and method for generating waveform signals for the production of a variety of borders for video wipes by varied processing of the output of a ramp generator.

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