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PCE
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CPC Subgroup
H01G 5/04

using variation of effective area of electrode

Full Title

Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture > using variation of effective area of electrode

4 direct subcodes

Child Classifications

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  • H01G 5/10 due to rotation of helical electrodes
  • H01G 5/12 due to rotation of part-cylindrical, conical, or spherical electrodes