IPC Main Group
H01T 19/00 Devices providing for corona discharge
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: Devices for charging electrographic elements
Related Keywords
CORONA discharge devices
2 direct subcodes
Child Classifications
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- H01T 19/02 Corona rings
- H01T 19/04 having pointed electrodes