Method and apparatus for coincident viewing at a plurality...

Details Method and apparatus for coincident viewing at a plurality... Method and apparatus for coincident viewing at a plurality...

2006-11-21

2006-11-21

Luu, Thanh X. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S208100, C250S226000, C250S339050, C359S583000, C356S051000

Reexamination Certificate

active

07138619

ABSTRACT:
A plurality of imagers, each responsive to a different wavelength range of light radiation, share the same optical system of lenses. An optical film on a substrate is used to split the light beam emanating from the shared optical system. The first wavelength range is reflected by the film to a first imager. The second wavelength range is transmitted through the film and the substrate to a second imager.

REFERENCES:
patent: 2403731 (1946-07-01), MacNeille
patent: 3893447 (1975-07-01), Hochheimer et al.
patent: 4632553 (1986-12-01), Vidrine et al.
patent: 5116133 (1992-05-01), Sweeney
patent: 5910816 (1999-06-01), Fontenot et al.

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