Patent · US Expired

Video signal processing apparatus with image quality adjustment

US5438424A · kind A · utility

3Cited by
4References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 8, 1993
Grant dateAug 1, 1995
Priority date
Expiry dateJul 8, 2013

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N9/83
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A video signal processor includes an image quality adjusting device or noise canceling device which responds to at least one noise information item containing a video signal and, preferably, the noise information item and a brightness information item contained in the video signal, to control quality of a displayed video image to provide a high quality video image.

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