Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Reexamination Certificate
2006-08-22
2006-08-22
Hannaher, Constantine (Department: 2884)
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
Reexamination Certificate
active
07095026
ABSTRACT:
An apparatus for selectively limiting undesired radiation from a scene which, in one embodiment, includes an optic that is operative to attenuate radiation by selectively losing transparency in response to radiation within a first wavelength band from a source. The loss of transparency affects the passage through the optic of radiation within a second wavelength band from that source. The optic can be positioned between a sensor and the scene such that the sensor is configured to receive radiation from the scene through the optic. In one embodiment, an optical limiter includes a plurality of such optics, wherein the optical limiter is configured to facilitate transmission of light corresponding to a scene, and wherein each optic is configured to receive a respective portion of the light corresponding to a respective portion of the scene. A light detector assembly and a method of limiting light energy are also included.
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Devitt John W.
Greiner Mark E.
Voelker Jeffrey J.
Wade David R.
Dinsmore & Shohl LLP
Hannaher Constantine
L-3 Communications Cincinnati Electronics Corporation
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