Patent · US Expired

Image forming apparatus with detecting and controlling means

US4697915A · kind A · utility

25Cited by
1References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 24, 1985
Grant dateOct 6, 1987
Priority date
Expiry dateDec 24, 2005

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/08
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

In an image forming apparatus wherein a plurality of developing devices are carried on a rotating body and the rotating body is rotated to thereby move desired one of the developing devices to a predetermined developing position and develop a latent image formed on a latent image bearing member in accordance with image information, an image forming operation is permitted only when all of the developing devices are carried on the rotating body.

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