Electricity: electrical systems and devices – Electrostatic capacitors – Variable
Patent
1980-07-25
1983-01-18
Goldberg, Elliot A.
Electricity: electrical systems and devices
Electrostatic capacitors
Variable
361290, H01G 516
Patent
active
043694837
ABSTRACT:
A trimmer capacitor includes two spaced electrodes having a dielectric layer therebetween. One of the electrodes includes a resilient central portion formed into a bulbous shape and engaged by a pressing plate threadedly receiving a screw shaft. The screw shaft may be rotated to move the pressing plate axially to vary the distance between the two electrodes.
REFERENCES:
patent: 1665616 (1928-04-01), Trump
patent: 3943417 (1976-03-01), Patti
Alps Electric Co. ,Ltd.
Dunne Gerard F.
Goldberg Elliot A.
Shoup Guy W.
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