Paper feeding device, image scanning device, paper feeding method and computer readable medium
US8857815B2 · kind B2 · utility
9Cited by
0References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2011 |
| Grant date | Oct 14, 2014 |
| Priority date | — |
| Expiry date | Aug 13, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2801/06
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
There is provided a paper feeding device including: a microphone which detects sound occurred on a paper conveying path; a pre-processing unit which performs pre-processing on a signal of the sound detected by the microphone; and a jam detection unit which detects a jam of paper based on the sound signal on which the pre-processing is performed, a reference value about intensity of the sound, and a reference value about a duration time of the sound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.