Communications: radio wave antennas – Antennas – Slot type
Patent
1994-09-21
1996-02-06
Hajec, Donald T.
Communications: radio wave antennas
Antennas
Slot type
343770, H01Q 1310, H01Q 1320
Patent
active
054899133
ABSTRACT:
A miniaturized radio antenna element for use at VHF and UHF is designed to operate well short of resonance. It comprises a small flat cavity in the surface of which is formed at least one radiating slot very much smaller than a normal resonant slot. However, an impedance matching circuit is often required at the ports of this antenna.
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King et al, "A Shallow Ridged-Cavity Crossed Slot Antenna for the 240 to 400 MHZ Frequency Range", IEEE Trans. Antenna Propagat, vo. 36, Mar. 1975, pp. 687-689.
Lindberg, "A Shallow-Cavity UHF Crossed-Slot Antenna". IEEE Trans. Antenna Propagat vo. AP-17, pp. 558-563, Sep. 1969.
1988 International Symposium Digest Antennas and Propagation, vol. 1, Jun. 1988, Syracuse, NY, pp. 312-315; Clouston et al.: "A Triplate Stripline Slot Antenna Developed for Time-Domain Measurements on Phased Arrays".
Gomez-Henry Michel
Raguenet Gerard
Alcatel Espace
Hajec Donald T.
Le Hoang-anh
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