Image forming apparatus
US6804474B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 22, 2002 |
| Grant date | Oct 12, 2004 |
| Priority date | — |
| Expiry date | Jul 22, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/6502
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus is provided which includes a sheet containing section for containing sheets, a conveying member and a conveying path for conveying the sheets, at least one optical sensor that is arranged in the conveying path and has a light emitting element and a light receiving element for detecting presence or absence of a sheet on the conveying path, a driver for changing an amount of emitted light of the optical sensor, a sheet supply operation detecting section for detecting a supply operation of the sheets contained in the sheet containing section, and a control section for adjusting an amount of emitted light of the optical sensor according to an output of the sheet supply operation detecting section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.