Solar powered narrow band radiation sensing system for...

Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive

Reexamination Certificate

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C250S348000

Reexamination Certificate

active

07154095

ABSTRACT:
A radiation sensitive sensor (1) which detects electromagnetic radiation within a narrow band of the electromagnetic spectrum using a single, fixed infrared detector (12) to cover a 360° area in a plurality of segmented sectors obtained by rotation of a mirror (19) for each of the sectors with detection of the radiation from each sector providing an indication of the presence of a physical phenomena (50) such as a forest fire. The use of a single fixed detector and the mirror rotation allows for a solar powered unit which is able to be employed either singularly or in a system of grid locations to cover a wide sensor area in order to provide continuous operation and reliable alarm indications.

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