Radiant energy – Infrared-to-visible imaging
Reexamination Certificate
2005-07-19
2005-07-19
Gagliardi, Albert (Department: 2878)
Radiant energy
Infrared-to-visible imaging
C250S332000
Reexamination Certificate
active
06919565
ABSTRACT:
To obtain an image signal in which the distance to a target can be recognized, an infrared imaging apparatus47comprises an infrared irradiation unit48for radiating infrared radiation in an attenuation wavelength range in which the infrared radiation is attenuated according to the transmitted distance and an infrared imaging unit49for detecting infrared radiation emitted from the target and infrared radiation reflected by the target, and outputting an image signal. When the infrared irradiation unit48irradiates infrared in an attenuation wavelength range, that is, an absorption wavelength range wherein the transmittance in the air is small and the absorption in the air is high, the intensity of the reflected light from the target varies according to the distance to the target. The infrared imaging unit49detects the reflected light from the target which is attenuated depending on the distance in addition to and superposed to the infrared radiation emitted from the target. In this manner, an image signal in which the infrared components are superposed, that is, an image signal in which the distance to the target can be recognized, can be output.
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Burns Doane Swecker & Mathis L.L.P.
Gagliardi Albert
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