Patent · US Expired

Mirror scanning control mechanism in variable magnification type copying machine

US4436416A · kind A · utility

21Cited by
2References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 3, 1981
Grant dateMar 13, 1984
Priority date
Expiry dateDec 3, 2001

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03B27/525
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The scanning speed and distance of a full-speed mirror are continuously variable in accordance with the copying sheet size, magnification factor and original size.

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