Patent · US Expired

Image display device

US5291185A · kind A · utility

4Cited by
13References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 9, 1991
Grant dateMar 1, 1994
Priority date
Expiry dateAug 9, 2011

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G3/20
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An image display device having unit image elements each arranged in a matrix formation and adapted to display a character signal synthesized with or superposed on an image signal further comprises means for matching the dot timing of the character signal and the scanning timing determined by the number of image elements of the image display device so that characters can be clearly displayed against a background image.

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