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 1/06 Means for the lighting or illuminating of antennas, e.g. for purpose of warning IPC+CPC Available in IPC and CPC
- H01Q 1/08 Means for collapsing antennas or parts thereof (collapsible loop antennas H01Q7/02; means for collapsing H-antennas or Yagi antennas H01Q19/04) +4 CPC IPC+CPC Available in IPC and CPC
- H01Q 1/27 Adaptation for use in or on movable bodies (H01Q1/08, H01Q1/12, H01Q1/18 take precedence) since 1980 +1 CPC IPC+CPC Available in IPC and CPC
- H01Q 1/36 Structural form of radiating elements, e.g. cone, spiral, umbrella; (H01Q1/08, H01Q1/14 take precedence) +2 CPC IPC+CPC Available in IPC and CPC
- H01Q 1/40 Radiating elements coated with or embedded in protective material +1 CPC IPC+CPC Available in IPC and CPC
- H01Q 1/42 Housings not intimately mechanically associated with radiating elements, e.g. radome +5 CPC IPC+CPC Available in IPC and CPC
- H01Q 1/44 using equipment having another main function to serve additionally as an antenna (H01Q1/27 - H01Q1/34 take precedence) 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
- H01Q 1/52 Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure (absorbing means H01Q17/00) +3 CPC IPC+CPC Available in IPC and CPC