Switchable attenuator

Details Switchable attenuator Switchable attenuator

1976-12-29

1978-04-25

Smith, Alfred E.

Wave transmission lines and networks

Attenuators

200 16B, 200 16F, H01P 122

Patent

active

040865479

ABSTRACT:
A switchable attenuator assembly includes a housing, a plurality of rocker arms mounted for pivotable movement within the housing, and a pair of shorting bars associated with each rocker arm. Each shorting bar of the pair of shorting bars associated with each rocker arm is coupled to a respective end of the rocker arm and is aligned with electrical connectors which extend from an attenuator circuit aligned with and adjacent to the housing. The rocker arms are selectively pivoted to cause the shorting bars coupled thereto to move into and out of engagement with their respective electrical connectors to provide attenuation of selected magnitudes to an external circuit.

REFERENCES:
patent: 368221 (1887-08-01), McDaniel
patent: 936594 (1969-10-01), Aalborg
patent: 1751398 (1930-03-01), De Reamer et al.
patent: 1919039 (1933-07-01), Ritchie
patent: 2232024 (1941-02-01), Genari
patent: 2791647 (1957-05-01), Newcomb
patent: 2808482 (1957-10-01), Zanichkowsky et al.
patent: 3878344 (1975-04-01), Lockard
patent: 3894203 (1975-07-01), Diehr
patent: 3978298 (1976-08-01), Fukuda et al.
patent: 4025747 (1977-05-01), Bharteey et al.

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