Patent · US Expired

Copying apparatus

US4614424A · kind A · utility

4Cited by
1References
23Claims
0Family size

Assignees

Inventors

Key dates

Filing dateSep 12, 1984
Grant dateSep 30, 1986
Priority date
Expiry dateSep 12, 2004

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/041
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The present invention relates to a copying apparatus capable of changing the copying magnification, by moving and positioning optical members such as lens and mirror and changing the scanning speed of the scanning optical system, wherein the moving and positioning of optical members and the selecting of the scanning speed can be attained by a single motor.

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