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DIFF Main Group
H01Q 1/00

Details of, or arrangements associated with, antennas (arrangements for varying orientation of directional pattern H01Q3/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Details of, or arrangements associated with, antennas

CPC: Details of, or arrangements associated with, antennas (arrangements for varying orientation of directional pattern H01Q3/00)

Full Title

Full titles differ between systems:

IPC:

Details of, or arrangements associated with, antennas

CPC:

Details of, or arrangements associated with, antennas (arrangements for varying orientation of directional pattern H01Q3/00)

Of 16 combined children, 13 exist in both systems.

3 codes are CPC-only extensions.

6 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • H01Q 1/002 CPC only CPC only
  • H01Q 1/005 CPC only CPC only
  • H01Q 1/007 CPC only CPC only
  • H01Q 1/02 Arrangements for de-icing; Arrangements for drying-out IPC+CPC Available in IPC and CPC
  • H01Q 1/04 Adaptation for subterranean or subaqueous use IPC+CPC Available in IPC and CPC
  • H01Q 1/06 Means for the lighting or illuminating of antennas, e.g. for purpose of warning IPC+CPC Available in IPC and CPC
  • H01Q 1/48 Earthing means; Earth screens; Counterpoises IPC+CPC Available in IPC and CPC
  • H01Q 1/50 Structural association of antennas with earthing switches, lead-in devices or lightning protectors IPC+CPC Available in IPC and CPC