Image reading device by interfering light path to trigger scanning processes
US6842269B2 · kind B2 · utility
2Cited by
4References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2001 |
| Grant date | Jan 11, 2005 |
| Priority date | — |
| Expiry date | Jan 24, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/0098
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The image reading device includes a scanning module and a light interference module. The user may use the light interference module to interfere the light path to trigger the scanning processes from a standby mode. When the light path is interfered, the image sensor would generate different image signal output. In this case, by detecting the difference of image signal output pattern, the image reading device would be triggered to load specific scanning control parameters to perform the scanning, such as starting the scanning programs and driving the scanning module to an initial position for completing the scanning.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.