Communications: radio wave antennas – Antennas – Loop type
Patent
1989-02-23
1990-10-16
Hille, Rolf
Communications: radio wave antennas
Antennas
Loop type
343868, 343787, 343876, 340572, H01Q 700
Patent
active
049638807
ABSTRACT:
A coplanar antenna system having a single-coil loop antenna provides both transmit and receive functions. The antenna operates in a tuned mode during transmitting and an untuned mode during receiving. Dead zone and transformer effect problems are virtually eliminated. The transmitter is highly efficient and the receiver is impulse noise immune.
REFERENCES:
patent: 3631442 (1971-12-01), Fearon
patent: 3754226 (1973-08-01), Fearon
patent: 3790945 (1974-02-01), Fearon
patent: 4016553 (1977-04-01), Novikoff et al.
patent: 4622543 (1986-11-01), Anderson, III et al.
Drummy Michael
Torre John J.
Hille Rolf
Identitech
Le Hoang-anh
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