Heating apparatus having heater with branch
US5204723A · kind A · utility
25Cited by
10References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 1, 1991 |
| Grant date | Apr 20, 1993 |
| Priority date | — |
| Expiry date | Nov 1, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/2042
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A heating apparatus includes a heater, the heater including a main resistance layer and a subordinate resistance layer branched from said main resistance layer, which extend in a direction crossing with a movement direction of a recording material and which are supplied with electric power; a selector for selecting a resistance layer for supplying electric power; and a controller for controlling an effective voltage applied to said heater in accordance with selected resistance layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.