DIFF Main Group
G01P 13/00 Indicating or recording presence, absence, or direction, of movement (electric switches H01H; counting moving objects G06M7/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Indicating or recording presence or absence of movement; Indicating or recording of direction of movement
CPC: Indicating or recording presence, absence, or direction, of movement (electric switches H01H; counting moving objects G06M7/00)
Full Title
Full titles differ between systems:
IPC:
Indicating or recording presence or absence of movement; Indicating or recording of direction of movement
CPC:
Indicating or recording presence, absence, or direction, of movement (electric switches H01H; counting moving objects G06M7/00)
CPC subdivides this area 4x more granularly than IPC with 3 additional codes.
3 codes are CPC-only extensions.
Child Classifications
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