Compact laser warning receiver

Details Compact laser warning receiver Compact laser warning receiver

H - Electricity

04

B

H04B 10/06 (2006.01)

Patent

CA 2069137

COMPACT LASER WARNING RECEIVER ABSTRACT A portable laser pulse detection device. Optical pulses are sensed by a photodiode, and if the pulse width is narrow enough to yield sufficient spectral energy within the bandpass of the tuned circuits, a "laser occurred" indication will be produced by the processing circuitry. Automatic adjustment of the detected output for non-laser incident radiation is made by varying the signal level into a sequential detection logarithmic amplifier by a voltage proportional to the integral of the incident radiation over a short period of time. The device is shielded against electromagnetic interference and adapts automatically to variations in background noise. G:\TRAM\031\PA\FOREIGN

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