DIFF Subgroup
G01P 1/12 Recording devices (indicating working conditions of vehicles G07C5/00)
Introduced: January 1980
Title
Titles differ between systems:
IPC: Recording devices
CPC: Recording devices (indicating working conditions of vehicles G07C5/00)
Full Title
Full titles differ between systems:
IPC:
Details of instruments > Recording devices
CPC:
Details of instruments > Recording devices (indicating working conditions of vehicles G07C5/00)
Of 4 combined children, 2 exist in both systems.
2 codes are CPC-only extensions.
IPC defines codes here since 1980.
Child Classifications
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- G01P 1/16 for erasable recording, e.g. magnetic recording since 1980 IPC+CPC Available in IPC and CPC