Electricity: electrical systems and devices – Electrostatic capacitors – Variable
Patent
1978-09-27
1981-02-17
Goldberg, E. A.
Electricity: electrical systems and devices
Electrostatic capacitors
Variable
361287, 361290, 361400, H01G 516
Patent
active
042518490
ABSTRACT:
A trimmer capacitor comprises a metallic plate member which is generally U-shaped, and an elongate conductor member which is to be located inside the metallic plate. Both the metallic plate member and the conductor member can be fixed to a printed circuit board. By bending the conductor member to displace it inside the metallic plate member, the electrostatic capacitance formed between the metallic plate member and the conductor member can be varied.
REFERENCES:
patent: 1911360 (1933-05-01), Gilling
patent: 3142981 (1964-08-01), Gross
patent: 3183912 (1965-05-01), Mogilner
patent: 3277353 (1966-10-01), Jenkins
patent: 3679940 (1972-07-01), Newman
patent: 3846780 (1974-11-01), Gilcher
Alps Electric Co. ,Ltd.
Dunne Gerard F.
Goldberg E. A.
Shoup Guy W.
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