Communications: radio wave antennas – Antennas – Microstrip
Patent
1978-05-16
1981-03-31
Lieberman, Eli
Communications: radio wave antennas
Antennas
Microstrip
343829, H01Q 138
Patent
active
042596700
ABSTRACT:
Variable impedance devices (e.g., series resonant circuits and/or transmission line tuning stubs) are connected to predetermined locations on a microstrip radiator patch for changing the effective resonant dimensions of the antenna as a function of frequency and thereby permitting operation over a broad range of frequencies.
REFERENCES:
patent: 2996713 (1961-08-01), Boyer
patent: 3713162 (1973-01-01), Munson et al.
patent: 3810183 (1974-05-01), Krutsinger et al.
patent: 3811128 (1974-05-01), Munson
patent: 3921177 (1975-11-01), Munson
patent: 4012741 (1977-03-01), Johnson
patent: 4070676 (1978-01-01), Sanford
patent: 4074270 (1978-02-01), Kaloi
patent: 4079268 (1978-03-01), Fletcher et al.
patent: 4117489 (1978-09-01), Kaloi
Alberding Gilbert E.
Ball Corporation
Lieberman Eli
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