Image reading device
US6486974B1 · kind B1 · utility
27Cited by
20References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2000 |
| Grant date | Nov 26, 2002 |
| Priority date | — |
| Expiry date | Mar 27, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/486
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
This invention provides an image reading device capable of precise detection of the optical signal over a wide wavelength range, by forming a photoelectric converting unit for converting the visible light into an electrical signal and a photoelectric converting unit for converting the invisible light into an electrical signal, in monolithic manner on a single semiconductor chip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.