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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G01P 3/66

using electric or magnetic means (G01P3/80 takes precedence; measuring short time intervals G04F8/00, G04F10/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: using electric or magnetic means

CPC: using electric or magnetic means (G01P3/80 takes precedence; measuring short time intervals G04F8/00, G04F10/00)

Full Title

Full titles differ between systems:

IPC:

Measuring linear or angular speed; Measuring differences of linear or angular speeds > Devices characterised by the determination of the time taken to traverse a fixed distance > using electric or magnetic means

CPC:

Measuring linear or angular speed; Measuring differences of linear or angular speeds (G01P5/00 - G01P11/00 take precedence; ; counting mechanisms G06M) > Devices characterised by the determination of the time taken to traverse a fixed distance > using electric or magnetic means (G01P3/80 takes precedence; measuring short time intervals G04F8/00, G04F10/00)

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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