Communications: radio wave antennas – Antennas – Microstrip
Patent
1989-03-27
1991-02-05
Wimer, Michael C.
Communications: radio wave antennas
Antennas
Microstrip
343830, 343846, H01Q 138
Patent
active
049909274
ABSTRACT:
A microstrip antenna has a rectangularly-shaped radiation conductive plate attached to one side of a dielectric plate, with a grounding conductive plate being attached to the other side of the dielectric plate. Rectangular line loads extend from adjacent sides of the radiation conductive plate. With such a configuration, the antenna retains all of the advantages of a microstrip antenna, including light weight, compactness, ease of manufacture, and a low profile, while enabling operation at multiple frequencies (four, on one embodiment), or polarization at multiple frequencies (two, in another embodiment).
REFERENCES:
patent: 4259670 (1981-03-01), Schiavone
patent: 4379296 (1983-04-01), Farrar et al.
patent: 4529987 (1985-07-01), Bhartia et al.
Carver et al., "Microstrip Antenna Technology", IEEE Trans. on Antennas and Prop., vol. AP-29, No. 1, Jan. 1981.
Int'l Symposium-Antennas & Propagation, 1976 Amhurst, Mass., Oct. 11-15, 1976, Tokumaru, "Multiplates: Low Profile Antennas", pp. 379-382.
Ieda Kiyokazu
Murakami Yuichi
Nakamura Takashi
Aisin Seiki Kabushiki Kaisha
Nakamura Takashi
Wimer Michael C.
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