Antenna coupler

Details Antenna coupler Antenna coupler

1979-09-17

1981-09-22

Gensler, Paul L.

Wave transmission lines and networks

Automatically controlled systems

Impedance matching

333 32, 336144, 455120, 455125, H03H 738, H03H 740

Patent

active

042912849

ABSTRACT:
A high power, high frequency radio transmitter is connected to an antenna through an adjustable impedance coupling device which comprises a helical coil having a number of straight-sided triangular turns. Remotely operable, pneumatic cylinders are mounted on each side or segment of the coil turns in electrical contact therewith and have piston rods which can be moved into and out of electrical contact with a respective fixed conductive member or bus disposed alongside the coil. Additionally, a number of capacitors can be connected into the coupler circuit as required by the similar movement of piston rods into contact with a similar bus, each such piston rod being housed within a pneumatic cylinder electrically connected to a respective one of such capacitors.

REFERENCES:
patent: 2619616 (1952-11-01), Starner
patent: 3870979 (1975-03-01), Baxter et al.

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