Patent · US Expired

Devices for controlling the heating of fuser roll apparatus

US4001545A · kind A · utility

27Cited by
3References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 28, 1975
Grant dateJan 4, 1977
Priority date
Expiry dateMay 28, 1995

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/2042
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Devices for controlling the heating of fuser roll apparatus are disclosed. In fuser roll apparatus a toner powder image is heated under pressure on a supporting sheet to be fixed thereon. The apparatus comprises a plurality of heaters for heating a fuser roll; and a plurality of surface temperature detecting elements for detecting the surface temperature of the fuser roll, the power to the respective heaters being independently controlled according to detecting signals from the respective surface temperature detecting elements.

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