Communications: radio wave antennas – Antennas – Microstrip
Patent
1992-01-17
1994-10-04
Wimer, Michael C.
Communications: radio wave antennas
Antennas
Microstrip
343729, 343769, 343895, H01Q 138
Patent
active
053530357
ABSTRACT:
New type of planar antenna of microwaves appropriate for operating in linear and circular polarization, free of welds and floating potentials, and therefore free of electrostatic discharges and problems related to passive intermodulation products, whose application is of particular interest in aircraft and space technologies. The antenna consists in the interconnection of a microstrip radiator with a spiral antenna of wires. For certain applications wherein the radiators are arranged in a same plane, the radiating effect of the patch may reduce the size of the spiral.
REFERENCES:
patent: 4063246 (1977-12-01), Greiser
patent: 4879563 (1989-11-01), Takeda et al.
Cooper, Airbourne Low-VHF Antennas, Agard, Oberfinanzdirektion Munich, Germany 19-26 Nov. 1973, 8 pages.
"Realization of Wideband Characteristics for a Spiral Antenna Backed by a Conductoring Plane Reflector"-H. Nakano et al. (International Symposium Diegest Antennas and Propagation 1989, vol. III, 26-30 Jun. 1989) pp. 1312-1315.
"Radiation Properties of Circularly Polarised Triplate-Type Planar Antenna"-M. Haneishi et al (Conference Proceedings of the 19th European Microwave Conference, 4-7 Sep. 1989, London, England) pp. 161-166.
Del Castillo Cuervo-Arango Paloma
Lopez Lopez Gaspar
Martin Pascual Carlos
Montesano Benito Carlos
Vassal'lo Sanz Juan
Consejo Superior de Investigaciones Cientificas
Construcciones Aeronauticas S.A.
Wimer Michael C.
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