Patent · US Expired

Image forming apparatus

US5943532A · kind A · utility

7Cited by
7References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 22, 1998
Grant dateAug 24, 1999
Priority date
Expiry dateSep 22, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/0119
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A fourth-unit tandem type color copier includes four photosensitive drums, a conveyor belt running, in a predetermined direction, in rolling contact with the respective drums, drum motors driving the corresponding drums, and a belt motor running the conveyor belt. Currents driving the drum motors and belt motor are so supplied as to be gradually stepped up from the starting of these motors and it is possible to lower a burden on a power source caused when the respective motors are started.

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