by varying resistance

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable > using electric or magnetic means > influencing the magnitude of a current or voltage > by varying resistance

CPC:

Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable (G01D3/00 takes precedence; specially adapted for apparatus giving results other than momentary value of variable G01D1/00) > using electric or magnetic means (G01D5/06 takes precedence) > influencing the magnitude of a current or voltage > by varying resistance

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 1995.

Child Classifications

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G01D 5/165 by relative movement of a point of contact and a resistive track since 1995 +1 CPC IPC+CPC Available in IPC and CPC