DIFF Subgroup
G05B 1/01 electric
Introduced: September 1968
Full Title
Comparing elements, i.e. elements for effecting comparison directly or indirectly between a desired value and existing or anticipated values > electric
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- G05B 1/02 for comparing analogue signals (circuits for comparing the phase or frequency of two mutually-independent oscillations H03D13/00) since 1974 +3 CPC IPC+CPC Available in IPC and CPC
- G05B 1/04 with sensing of the position of the pointer of a measuring instrument IPC+CPC Available in IPC and CPC