Tuneable antenna

Details Tuneable antenna Tuneable antenna

1996-11-12

1999-03-16

Wimer, Michael C.

Communications: radio wave antennas

Antennas

With variable reactance for tuning antenna

343750, 343846, 343861, H01Q 932

Patent

active

058836004

ABSTRACT:
A tuneable antenna including an elongated radiating element with a conductive loading coil positioned on an insulating member. A capacitor is formed above the loading coil with a conductive member overlying the loading coil and movable with respect to the coil and the capacitor to change the resonant frequency of the antenna.

REFERENCES:
patent: 3541554 (1970-11-01), Shirey
patent: 3798654 (1974-03-01), Martino et al.
patent: 4080604 (1978-03-01), Wosniewski
patent: 4117493 (1978-09-01), Altmayer

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