Differential disc capacitor

Details Differential disc capacitor Differential disc capacitor

1979-03-26

1980-12-30

Goldberg, E. A.

Electricity: electrical systems and devices

Electrostatic capacitors

Variable

361293, 361298, H01G 506

Patent

active

042427169

ABSTRACT:
A tunable differential disc capacitor having a pair of outer dielectric discs and an electrically conductive rotor element, plural paired electrically conductive portions disposed on the respective dielectric discs and spring clamp means electrically and mechanically connected to respective pairs of the conductive portions. A preferred embodiment has three such pairs of conductive portions and a corresponding number of spring clamp means, so that the rotor element can be moved to various positions with respect to the conductive portions, varying the capacitance values. Electrical connection can be made to a spring clamp connected to the rotor element and to either or both of the other spring clamps, thereby obtaining one or two trimmable differential capacitors. The device can be used with the capacitors connected in series or in parallel. A sealed housing is also provided.

REFERENCES:
patent: 3701932 (1972-10-01), Johanson
patent: 4095263 (1978-06-01), Johanson
patent: 4112480 (1978-09-01), Johanson

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