Patent · US Expired

CRT image printing apparatus

US4764807A · kind A · utility

17Cited by
7References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 16, 1987
Grant dateAug 16, 1988
Priority date
Expiry dateAug 16, 2007

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N1/60
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A CRT image printing apparatus for making a color print from black-and-white images displayed on a black-and-white CRT corresponding to three color monochromatic images of a color image in three color frame sequential exposure system, comprises three color filters for converting the black-and-white images corresponding to three color monochromatic images to which a color photographic paper and a color photographic film are selectively sequentially exposed, and an image signal processor for changing the black-and-white images negative to positive when the color photographic film is selected to be exposed and positive to negative when the color photographic paper is selected to be exposed.

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