Optical system for obtaining separate and simultaneous near-infr

Details Optical system for obtaining separate and simultaneous near-infr Optical system for obtaining separate and simultaneous near-infr

1993-02-11

1994-05-10

Hannaher, Constantine

Radiant energy

Infrared-to-visible imaging

250341, G01S 1702

Patent

active

053110188

ABSTRACT:
A camera system for simultaneously recording separate near-infrared and visible light images is disclosed having a visible light source for illuminating a given area with visible white light, indicia generating means for directing an image of a wavelength of light longer than wavelengths of light of the visible white light upon the given area, a first electronic camera for recording an image of the visible light but not the longer wavelength of light and a second electronic camera for recording an image of the longer wavelength of light but not the visible light, and a single cold mirror common to the two cameras for directing the two light images to their respective cameras.

REFERENCES:
patent: 4576486 (1986-03-01), Dils
patent: 4751571 (1988-06-01), Lillquist
patent: 4817622 (1989-04-01), Pennypacker et al.
patent: 4843242 (1989-06-01), Doyle
patent: 4959546 (1990-09-01), Bly
patent: 4967276 (1990-10-01), Murakami et al.
patent: 5120966 (1992-06-01), Kondo

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