Patent · US Expired

Image reading apparatus

US5917620A · kind A · utility

22Cited by
7References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 7, 1996
Grant dateJun 29, 1999
Priority date
Expiry dateMar 7, 2016

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N23/843
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

There is disclosed an image reading apparatus comprising plural line sensors for converting light from an object into image signals, charge transfer unit for transferring the image signals, converted by the line sensors, mutually among the line sensors, correction unit for correcting signal levels of the image signals and control unit for effecting control so as to vary a manner of correction by the correction unit, according to a direction of transfer of the image signals by the charge transfer means among the line sensors.

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