DIFF Subgroup
G01P 1/10 for indicating predetermined speeds
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Details of instruments > Indicating devices, e.g. for remote indication > Arrangements of scales, pointers, lamps, or acoustic indicators, e.g. in automobile speedometers > for indicating predetermined speeds
CPC:
Details of instruments > Indicating devices, e.g. for remote indication (indicating working conditions of vehicles G07C5/00) > Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers > for indicating predetermined speeds
CPC subdivides this area 3x more granularly than IPC with 2 additional codes.
2 codes are CPC-only extensions.
IPC defines codes here since 1980.
Child Classifications
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- G01P 1/11 by the detection of the position of the indicator needle since 1980 IPC+CPC Available in IPC and CPC