Method and system for passive detection of electromagnetic event

Communications: directive radio wave systems and devices (e.g. – Radar ew – Detection of surveilance

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342351, H04K 300

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active

050863002

ABSTRACT:
The apparatus of the invention detects, characterizes and evaluates electromagnetic radiation, primarily in the radio frequency range, which is emitted by the fusing portion of the explosive train found in certain destructive devices. The apparatus includes a chamber for containing items to be tested, such as airline luggage, in a sealed or confined environment shielded from outside radiation and subjecting any fusing devices, which may be located in such items, to the condition or conditions under which such devices are activated. The invention further includes equipment for receiving, detecting, and evaluating any electrical signals emitted by such fusing devices. The invention is primarily for use in determining the presence of hazards in aircraft cargo but can easily be adapted for other uses.

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Davis Aircraft Co., Inc.: Acousti Sensor Model 6500, 3/75 (3 pages).
Martin L. Kaiser, Inc.: 2079 RCM Radio Current and Magnetic Probe and 7079X Advanced Stethoscope: 5/75 (Brochures).
"Hidden Electronics Detection", by Michael K. Ferrand, appearing in The 1988 IEEE MTT-S Digest at pp. 1035-1037.

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