Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1983-09-12
1985-09-03
Blum, Theodore M.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343703, 343718, G01S 302
Patent
active
045395675
ABSTRACT:
An improved microwave field monitor device is disclosed characterized by use of a microstrip antenna and control electronics adapted to provide a field alarm, field monitor, accumulated dose alarm, and integrated dose indication of RF radiation exposure to an individual. The monitor is packaged in a small configuration similar to an identification badge adapted to be easily affixed to the clothing of a user. The monitor additionally is capable of measuring the RF radiation exposure at particular part or whole body resonance frequency bands or standing wave hot spots known to be hazardous to individuals.
REFERENCES:
patent: 3639841 (1972-02-01), Richardson
patent: 3737905 (1973-06-01), Haroules et al.
patent: 3753116 (1973-08-01), Kolbly
patent: 3760271 (1973-09-01), Bach, Jr. et al.
patent: 3783448 (1974-01-01), Brodwin
patent: 3931573 (1976-01-01), Hopfer
patent: 4044303 (1977-08-01), Reindel
patent: 4301406 (1981-11-01), Shriner
patent: 4338595 (1982-07-01), Newman
patent: 4368472 (1983-01-01), Gandhi
.+-.1 db Flatness Achieved in Broadband Sensor, Microwaves, Nov. 1971.
Blum Theodore M.
Micrometrics, Ltd.
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