Microwave alarm

Communications: electrical – Systems – Call station

Patent

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Details

325363, G08B 2100

Patent

active

040329100

ABSTRACT:
A portable microwave power detector is provided which will generate an alarm signal when placed within a microwave field having a power density above a predetermined limit. The detector comprises a rigid body member, a microwave receiving antenna fixed to or within the body member and, between elements of the antenna itself, a passive non-linear audio and/or visual alarm indicator fixed to or within the body member and connected to the antenna for energization by the microwave power received thereby.

REFERENCES:
patent: 3173091 (1965-03-01), Strull
patent: 3828251 (1974-08-01), Webb
patent: 3927375 (1975-12-01), Lanoe et al.

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