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PCE
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DIFF Subgroup
G05B 1/02

for comparing analogue signals (circuits for comparing the phase or frequency of two mutually-independent oscillations H03D13/00)

Introduced: July 1974

Title

Titles differ between systems:

IPC: for comparing analogue signals

CPC: for comparing analogue signals (circuits for comparing the phase or frequency of two mutually-independent oscillations H03D13/00)

Full Title

Full titles differ between systems:

IPC:

Comparing elements, i.e. elements for effecting comparison directly or indirectly between a desired value and existing or anticipated values > electric > for comparing analogue signals

CPC:

Comparing elements, i.e. elements for effecting comparison directly or indirectly between a desired value and existing or anticipated values > electric > for comparing analogue signals (circuits for comparing the phase or frequency of two mutually-independent oscillations H03D13/00)

Of 3 combined children, 0 exist in both systems.

3 codes are CPC-only extensions.

Child Classifications

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