Patent · US Expired

Color image forming apparatus and scanning optical apparatus

US6452687B1 · kind B1 · utility

12Cited by
7References
33Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 12, 1999
Grant dateSep 17, 2002
Priority date
Expiry dateMar 12, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N1/506
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A scanning optical device has a light source, a deflector for deflecting light emitted from the light source, and an optical system for guiding the light emitted from the light source onto a surface to be scanned. The scanning optical device incorporates a mechanism for displacing a refraction section or/and a diffraction section of the optical system.A color image forming apparatus incorporates the scanning optical devices and image carrying members corresponding thereto.

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