Patent · US Expired

Laser beam scanning device

US4868673A · kind A · utility

18Cited by
1References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 13, 1987
Grant dateSep 19, 1989
Priority date
Expiry dateNov 13, 2007

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N2201/04744
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A laser beam scanning device which includes a mounting arrangement for securely holding at fixed locations along an optical path of a laser beam, a device for generating laser beams, a collimator, a device for deflecting the laser beams and for scanning a predetermined region with the reflected laser beams, and a device for regulating the scanning speed of the laser beams so that the scanning speed will be substantially uniform in the above predetermined region, as an integrally connected unit.

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