DIFF Subgroup
F02P 3/08 Layout of circuits (for low tension F02P3/10)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Layout of circuits
CPC: Layout of circuits (for low tension F02P3/10)
Full Title
Full titles differ between systems:
IPC:
Other electric spark ignition installations characterised by the type of ignition power generation storage > having capacitive energy storage > Layout of circuits
CPC:
Other installations > having capacitive energy storage (piezoelectric or electrostatic ignition F02P3/12) > Layout of circuits (for low tension F02P3/10)
CPC subdivides this area 4x more granularly than IPC with 3 additional codes.
3 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1985.
Child Classifications
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- F02P 3/09 for control of the charging current in the capacitor (F02P15/12 takes precedence) since 1985 +1 CPC IPC+CPC Available in IPC and CPC