Reducing interference from electric apparatus by means located at or near the interfering apparatus

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Suppression or limitation of noise or interference > Reducing interference from electric apparatus by means located at or near the interfering apparatus

CPC:

Suppression or limitation of noise or interference (by means associated with receiver H04B1/10) > Reducing interference from electric apparatus by means located at or near the interfering apparatus

Of 2 combined children, 1 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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H04B 15/025 CPC only CPC only
H04B 15/04 the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder IPC+CPC Available in IPC and CPC