Devices for controlling the heating of fuser roll apparatus
US4001545A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 28, 1975 |
| Grant date | Jan 4, 1977 |
| Priority date | — |
| Expiry date | May 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.