Full-loading sensing device for an image forming apparatus
US7558493B2 · kind B2 · utility
3Cited by
1References
28Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 25, 2006 |
| Grant date | Jul 7, 2009 |
| Priority date | — |
| Expiry date | Aug 10, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/1675
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A full-loading sensing device and method thereof is provided for an image forming apparatus. The full-loading sensing device includes at least one lever rotated in different directions from reference locations by loading of a discharged paper and opening of a jam removal cover, respectively, and an optical sensor for sensing different rates of change in an amount of light corresponding to respective rotational directions of the lever. It is thereby possible to provide a single sensing mechanism that is capable of sensing and distinguishing both a full-loading state and a jam removal cover-open state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.