Infrared imager

Details Infrared imager Infrared imager

2007-07-24

2007-07-24

Hannaher, Constantine (Department: 2884)

Radiant energy

Infrared-to-visible imaging

Including detector array

Reexamination Certificate

active

11197325

ABSTRACT:
An infrared imager for detecting infrared (IR) radiation of a scene in a field of view (FOV) of an optical system and converting the IR into a visible image wherein the imager consists of an array of uncooled microbolometers in a focal plane of the optical system and a array of light emitting diode (LED) or liquid crystal display (LCD) elements. The IR radiation collected by the microbolometer produces a change in an electrical output applied to electronic circuitry connected to the array of LEDs or LCDs. The electronic circuitry controls the intensity of a LED element or the reflectance of an LCD element. As a result, the imager converts the infrared radiation from the scene into visible light. The light reflected from the LCD or produced by LEDs in an array constitutes the scene image.

REFERENCES:
patent: 5036197 (1991-07-01), Voles
patent: 5389788 (1995-02-01), Grinberg et al.
patent: 5710428 (1998-01-01), Ko
patent: 6198098 (2001-03-01), Laou

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