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PCE
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DIFF Subgroup
H01Q 1/52

Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure (absorbing means H01Q17/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure

CPC: Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure (absorbing means H01Q17/00)

Full Title

Full titles differ between systems:

IPC:

Details of, or arrangements associated with, antennas > Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure

CPC:

Details of, or arrangements associated with, antennas (arrangements for varying orientation of directional pattern H01Q3/00) > Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure (absorbing means H01Q17/00)

Of 3 combined children, 0 exist in both systems.

3 codes are CPC-only extensions.

Child Classifications

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