Variable attenuator

Details Variable attenuator Variable attenuator

1978-06-29

1980-09-30

Albritton, C. L.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338160, H01C 1030

Patent

active

042258430

ABSTRACT:
A variable attenuator comprises a generally horseshoe-shaped main resistance element, a sliding member movable thereover, and a bypass provided around that portion of the main resistance element adjacent the end portion of the path of said sliding member. The bypass is made of a conductive element or conductive element and a resistance element, the amount of current flowing through said bypass being thereby increased to enable a maximum attenuation.

REFERENCES:
patent: 1881446 (1932-10-01), Flanzer
patent: 3924207 (1975-12-01), Simoni
patent: 4146853 (1979-03-01), Kiyono, et al.
Kiyono, et al., German Printed Application, 2,650,018 10/76.
Japanese Patent Publication, 5644, 4/63.

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