Image forming apparatus having a sensor for sensing an amount of reflected light from both a photoconductive element and a paper
US6628903B1 · kind B1 · utility
28Cited by
3References
3Claims
0Family size
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Key dates
| Filing date | Jul 27, 2000 |
| Grant date | Sep 30, 2003 |
| Priority date | — |
| Expiry date | Dec 21, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/00721
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus with a sensing control system having an optical sensor and a control device. A detected object is recognized by using the difference of an output characteristics correspond to a quantity of reflected light. Thus, one or more detected objects may be precisely detected by the one optical sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.