Photo-detector filter

Details Photo-detector filter Photo-detector filter

2011-04-19

2011-04-19

Toatley, Gregory J (Department: 2877)

Optics: measuring and testing

Photometers

Photoelectric

C250S208200, C250S226000, C250S214100, C356S313000, C356S432000

Reexamination Certificate

active

07929126

ABSTRACT:
Method and systems related to obstructing a first predefined portion of at least one defined wavelength of light incident upon a first photo-detector array; and detecting the at least one defined wavelength of light with a photo-detector in a second photo-detector array.

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