Variable capacitor

Details Variable capacitor Variable capacitor

1994-11-22

1995-10-24

Kincaid, Kristine L.

Electricity: electrical systems and devices

Electrostatic capacitors

Variable

361293, H01G 506

Patent

active

054615356

ABSTRACT:
In a rotor which is rotated for adjusting capacitance provided by a variable capacitor, a portion for receiving a tool for rotating the same is defined by a through-hole. Thus, it is possible to protect the rotor from application of a pressing force from the tool, thereby suppressing change of a clearance between the rotor and a stator. Consequently, it is possible to stabilize the capacitance as the capacitor is being adjusted, as well as to reduce setting drift that causes the capacitance as adjusted disadvantageously to change when the tool is separated from the rotor.

REFERENCES:
patent: 4112480 (1978-09-01), Johanson

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