Noise-reducing image sensor having light receiving elements
US7394059B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 1, 2006 |
| Grant date | Jul 1, 2008 |
| Priority date | — |
| Expiry date | Nov 1, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B3/0056
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In an embodiment example of the present invention, an image sensor comprises a filter used for an extraction of a specific color component of an incident light, a light receiving element which observes the incident light via the filter, a compensating filter having a transmission restraining characteristic in a visible light wavelength range and a transmission characteristic in a wavelength range on a longer wavelength out of the visible light wavelength range, and a compensating light receiving element which observes the incident light via the compensating filter for compensating an observation result by the light receiving element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.