IPC Main Group
H04B 15/00 Suppression or limitation of noise or interference
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- TRANSMISSION
Scope Notes
Limiting references: Suppression or limitation of noise or interference by means associated with receiver
Related Keywords
reducing INTERFERENCE in transmission systemsreducing NOISE in signal or communication transmission systems
1 direct subcode
Child Classifications
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- H04B 15/02 Reducing interference from electric apparatus by means located at or near the interfering apparatus