DIFF Subgroup
G04G 19/02 Conversion or regulation of current or voltage
Introduced: January 2000
Full Title
Electric power supply circuits specially adapted for use in electronic time-pieces > Conversion or regulation of current or voltage
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 2000.
Child Classifications
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- G04G 19/04 Capacitive voltage division or multiplication since 2000 IPC+CPC Available in IPC and CPC