Patent · US Expired

Image reading method and apparatus

US4803561A · kind A · utility

15Cited by
5References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 13, 1987
Grant dateFeb 7, 1989
Priority date
Expiry dateJan 13, 2007

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N2201/0466
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An image reading method and apparatus utilizing a movable line sensor in which reading conditions for a first image are set, and then the reading of the first image is performed in a first direction. Subsequently, the first image is replaced with a second image and the second image is scanned in a second direction opposite to the first direction. During the scanning of the second image the reading conditions for the second image are calculated and set.

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