Electricity: electrical systems and devices – Electrostatic capacitors – Variable
Patent
1975-07-24
1977-08-02
Goldberg, E. A.
Electricity: electrical systems and devices
Electrostatic capacitors
Variable
361287, H01G 506
Patent
active
040399060
ABSTRACT:
A variable capacitor having a ceramic stator with a flat major surface for engaging a flat conductive rotor plate mounted on a shaft extending through the stator. The other major surface of the stator has a transverse slot having a capacitance forming electrode over the bottom portion that is substantially parallel to the flat major surface. A spring biased rotor terminal is affixed to the end of the shaft extending through the stator.
REFERENCES:
patent: 2535367 (1950-12-01), Minnium
patent: 2745993 (1956-05-01), Foster
patent: 3205417 (1965-09-01), Maeda
patent: 3500147 (1970-03-01), Hirschberg
patent: 3656033 (1972-04-01), Nickles
patent: 3701932 (1972-10-01), Johanson
APC Application of Willwacher S.N. 398524, Published May 18, 1943.
Baumler Robert J.
Wahi Chander M.
E. F. Johnson Company
Goldberg E. A.
Haller James R.
Jaeger Hugh D.
Sturm Warren A.
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