Communications: radio wave antennas – Antennas – Microstrip
Patent
1987-01-08
1989-01-24
Sikes, William L.
Communications: radio wave antennas
Antennas
Microstrip
343702, 343829, H01Q 138
Patent
active
048003921
ABSTRACT:
A laminar antenna includes a conductive ground plane (102), a first dielectric lamina (106), a conductive exciter lamina (108), a second dielectric lamina (114), and a conductive radiator lamina (116). The radiator partially overlaps the exciter and the amount of overlap determines the input impedance of the antenna. The laminar antenna can be positioned within the wall of a plastic radio housing (302). Multi-radiator wideband and duplex embodiments of the antenna are also described. In another embodiment, the ground plane extends above the radio housing while the radiator and dielectric laminae wrap around the extended portion of the ground plane.
REFERENCES:
patent: 4054874 (1977-10-01), Oltman
patent: 4123756 (1978-10-01), Nagata et al.
patent: 4131893 (1978-12-01), Munson et al.
patent: 4356492 (1982-10-01), Kaloi
Takeichi, "Unequal-Multiconductor Unipole Antennas", Electronics & Communications in Japan, May 1966, pp. 45-53.
Balzano Quirino
Garay Oscar M.
Manning Thomas J.
McKinley Martin J.
Motorola Inc.
Sikes William L.
Wimer Michael C.
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