Spectral characteristics estimation device, image forming apparatus having the same, and spectral characteristics estimation method
US8593628B2 · kind B2 · utility
28Cited by
2References
12Claims
0Family size
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Key dates
| Filing date | Jun 21, 2011 |
| Grant date | Nov 26, 2013 |
| Priority date | — |
| Expiry date | Oct 5, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J3/51
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Spectral characteristics of an object is estimated using an extended sensor response, which includes a product of at least two light intensity signals whose wavelength ranges are partially overlapped with each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.