Radio transceiver dimmer switch

Details Radio transceiver dimmer switch Radio transceiver dimmer switch

1976-09-16

1978-03-21

Safourek, Benedict V.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

325144, 343850, H04B 138

Patent

active

040805697

ABSTRACT:
A two-pole switch is placed in series between two lengths of a coaxial cable that extends from a transceiver to an antenna. When the switch is in the first pole position, little or no resistance or impedance is added to the circuit, and when the switch is in the second pole position, a resistor is added in series with the center conductors of both lengths and another resistor is connected across the center and outer conductor of the coaxial cable. Preferably this other resistor is an incandescent lamp so that the operator of the transceiver, when broadcasting, has a visible indication showing in which pole position the switch is, because now most of the output power of the transceiver passes through the lamp to light it.

REFERENCES:
patent: 1461754 (1923-07-01), Clark
patent: 1830880 (1931-11-01), Misenheimer
patent: 2485171 (1949-10-01), Seright
patent: 3226723 (1965-12-01), White

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