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IPC Main Group
H01T 15/00

Circuits specially adapted for spark gaps, e.g. ignition circuits

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC ELEMENTS
Subclass:
SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES

Scope Notes

Limiting references: Ignition circuits for internal combustion engines Electric spark ignition for combustion apparatus Protection circuits using spark gaps