Variable capacitor

Details Variable capacitor Variable capacitor

1979-03-26

1981-08-11

Goldberg, E. A.

Electricity: electrical systems and devices

Electrostatic capacitors

Variable

361292, H01G 506

Patent

active

042837510

ABSTRACT:
A variable capacitor includes a container-like cylindrical casing in which a dielectric plate is rigidly placed on the bottom of the casing. A surface of the dielectric plate which is in contact with the bottom of the casing is laminated with a film of conductive material which is in turn connected to a terminal leg extending outwards from a cylindrical wall of the casing. A disc shaped rotator member is rotatably accommodated inside the casing and is enclosed by a cap member applied to the open end of the casing. A spring is provided between the rotator member and the cap member for urging the rotator member towards the dielectric plate. Another terminal leg extends from the cap member for the external connection.

REFERENCES:
patent: 3588642 (1969-11-01), Fabricius
patent: 4101951 (1978-07-01), Kuze

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