Photosensor
US4232219A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Feb 27, 1979 |
| Grant date | Nov 4, 1980 |
| Priority date | — |
| Expiry date | Feb 27, 1999 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/486
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A photosensor including a fiber substrate having a light receiving window formed in a surface thereof spaced from an information surface to be read, a bundle of optical fibers disposed in the fiber substrate and positioned in the light receiving window. A plurality of color filters of different characteristics are disposed on an end face of the bundle of optical fibers, and a plurality of arrays of photosensitive elements corresponding to the color filters are also provided. The arrays of photosensitive elements are integrally provided with the fiber substrate and disposed in the region of the end face of the bundle of the optical fibers farthest away from the information surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.