Patent · US Expired

Color image reading method and apparatus

US4558357A · kind A · utility

25Cited by
3References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 17, 1983
Grant dateDec 10, 1985
Priority date
Expiry dateJun 17, 2003

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N1/486
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A color image reading method and apparatus in which the image of an object is formed by a single imaging optical system and a plurality of image pickup elements corresponding to lights of different wavelength ranges are disposed at imaging positions whereat the resolution of the imaging optical system is maximum in the respective corresponding wavelength ranges, whereby the image is read.

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