Patent · US Expired

Image signal processor generating reduced memory consumption still images yet preserving image quality

US5365346A · kind A · utility

17Cited by
17References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 30, 1992
Grant dateNov 15, 1994
Priority date
Expiry dateOct 30, 2012

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N5/4448
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An intermediate gradation generator filters out a direct current component of a clock pulse and then superimposes the filtered clock pulse on average levels of a luminance signal.

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