Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
1988-04-01
1990-04-03
Hannaher, Constantine
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
250342, G01S 750
Patent
active
049142984
ABSTRACT:
An infrared detector includes process and circuitry for detecting the direction of movement of a radiation source with a predetermined resolution. Four radiation-sensitive elements defining a square are provided in the detector, each connected to an evaluation circuit which compares the output signals from the elements. A normalized pulse is generated upon the occurrence of the maximum of the output signal from each of the elements. The direction of movement of the radiation source is identified from the chronological sequence and spacing of the normalized pulses.
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Quad Reiner
Storck Karlheinz
Hannaher Constantine
Heimann GmbH
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