Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With waveguide or long line
Patent
1979-04-23
1981-11-17
Karlsen, Ernest F.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With waveguide or long line
324122, 340600, 343703, 361278, G01R 2104, G01R 1900, G08B 2100
Patent
active
043014062
ABSTRACT:
A device for warning a person carrying or wearing it of the presence of dangerous microwave radiation is fully powered by the radiations being detected. A very low-wattage gas-discharge lamp is energized by a broadly or a sharply tuned receiver circuit including dipole antennas or one antenna and a "grounding" casing element. The casing may be largely and uniformly transparent or have different areas gradedly light-transmissive to indicate varying radiation intensities. The casing can be made in the shape of a pocket watch, fountain pen, bracelet or finger ring, etc.
REFERENCES:
patent: 1867944 (1932-07-01), Nijland
patent: 1886489 (1932-11-01), Ludwig
patent: 2614149 (1952-10-01), Steyer et al.
patent: 3037165 (1962-05-01), Kerr
patent: 3423679 (1969-01-01), Smith
patent: 3852755 (1974-12-01), Works et al.
patent: 3983717 (1976-10-01), Collica et al.
patent: 4032910 (1977-06-01), Hollway et al.
patent: 4177422 (1979-12-01), Deficis et al.
Karlsen Ernest F.
Staubly Ralph F.
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