Patent · US Expired

Copy image adjustment method

US4277549A · kind A · utility

26Cited by
1References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 17, 1979
Grant dateJul 7, 1981
Priority date
Expiry dateApr 17, 1999

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/0853
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

In an electrophotographic copying machine, the copy image adjustment method for correcting copy image characteristics comprises the steps of measuring copying characteristics by use of a reference original and resetting development characteristics in accordance with the measurement results.

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