Patent · US Expired

Optical scan module, optical scanner, optical scan method, image generator and image reader

US6932271B2 · kind B2 · utility

22Cited by
29References
77Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 26, 2001
Grant dateAug 23, 2005
Priority date
Expiry dateOct 8, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06K15/1204
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

An optical scanning apparatus scans a surface to be scanned in a main scanning direction by simultaneously using a plurality of optical spots formed of a plurality of optical beans emitted from an illuminant, comprising: a light path deflecting part deflecting a light path of at least one of the optical beams, wherein the light path deflecting part is provided in light paths of the optical beams wherein the light path deflecting part may use a liquid crystal deflecting element formed of a liquid crystal element being controllable by an electronic signal to deflect the light path of the one of the optical beams.

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