Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1991-06-27
1992-12-01
Swann, III, Glen R.
Communications: electrical
Condition responsive indicating system
Specific condition
2503361, 250395, 250526, G08B 2100
Patent
active
051682656
ABSTRACT:
A personal electromagnetic radiation monitor includes an electromagnetic radiation sensor, a conductive shield spaced apart from the sensor and a backing of graduated lossy material. The electromagnetic radiation sensor includes thin film resistive thermocouples. The backing of graduated lossy material is interposed between the radiation sensor and the conductive shield. The layer is progressively more conductive through its thickness from the side which faces the sensor to the side which faces the conductive shield.
REFERENCES:
patent: 4301367 (1981-11-01), Hsu
patent: 4489315 (1984-12-01), Falk et al.
Narda Microwave Corp.
Swann III Glen R.
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