Spectral characteristic obtaining apparatus, image evaluation apparatus and image forming apparatus
US9068893B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 24, 2010 |
| Grant date | Jun 30, 2015 |
| Priority date | — |
| Expiry date | Jan 15, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J2003/2806
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A spectral characteristic obtaining apparatus including a light irradiation unit configured to emit light onto a reading object; a spectroscopic unit configured to separate at least a part of diffused reflected light from the light emitted onto the reading object by the light irradiation unit into a spectrum; and a light receiving unit configured to receive the diffused reflected light separated into the spectrum by the spectroscopic unit and to obtain a spectral characteristic. In at least one example embodiment, the light receiving unit is configured to be a spectroscopic sensor array including plural spectroscopic sensors arranged in a direction, and the spectroscopic sensors include a predetermined number of pixels arranged in the direction to receive lights with different spectral characteristics from each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.