Filter design for colorimetric measurement

Details Filter design for colorimetric measurement Filter design for colorimetric measurement

2011-03-29

2011-03-29

Connolly, Patrick J (Department: 2877)

Optics: measuring and testing

By light interference

Spectroscopy

C356S519000

Reexamination Certificate

active

07916301

ABSTRACT:
A color detector includes a light source configured to generate light with a spectrum of wavelengths; a plurality of filters in optical communication with the light source, wherein each filter is configured to pass a bandwidth of wavelengths around a different peak wavelength; and a plurality of photodetectors, each configured to receive light passed through a respective filter of the plurality of filters. The bandwidth of each filter is configured to Correspond to a bandwidth of a curve from a set of standard color matching functions. A method for improving color detection accuracy in a color detector includes matching a bandwidth passed by each of a plurality of color filters with a bandwidth and peak wavelength of a Commission Internationale de l'Eclairage (CIE) color matching function; and separately detecting an amount of light passed by each the filter.

REFERENCES:
patent: 5144498 (1992-09-01), Vincent
patent: 5202939 (1993-04-01), Belleville et al.
patent: 5272518 (1993-12-01), Vincent
patent: 6295130 (2001-09-01), Sun et al.
patent: 6349156 (2002-02-01), O'Brien et al.
patent: 6381022 (2002-04-01), Zavracky
patent: 7009716 (2006-03-01), Kim et al.
patent: 7330266 (2008-02-01), Guerineau et al.
patent: 7417735 (2008-08-01), Cummings et al.
patent: 2005/0046868 (2005-03-01), Kim et al.
patent: 2006/0132787 (2006-06-01), Mestha et al.
patent: 2006/0290933 (2006-12-01), Holm
patent: 2007/0153288 (2007-07-01), Wang et al.
patent: 2010/0091286 (2010-04-01), Dahlgren
patent: 2000031510 (2000-01-01), None

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