System for controlling power supplies of an image formation apparatus
US7624288B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 12, 2006 |
| Grant date | Nov 24, 2009 |
| Priority date | — |
| Expiry date | May 26, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/00177
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image formation apparatus is disclosed. The image formation apparatus includes a manuscript reading unit for reading a manuscript, a main power supply for supplying electric power to an alternating-current load and a direct-current load, and an auxiliary power supply that is capable of storing electric power for supplying electric power to the direct-current load. Power supply to the direct-current load is switched between the main power supply and the auxiliary power supply when reading the manuscript is not being carried out.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.