CPC Main Group
H01Q 1/00 Details of, or arrangements associated with, antennas (arrangements for varying orientation of directional pattern H01Q3/00)
16 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- H01Q 1/02 Arrangements for de-icing; Arrangements for drying-out
- H01Q 1/04 Adaptation for subterranean or subaqueous use
- H01Q 1/06 Means for the lighting or illuminating of antennas, e.g. for purpose of warning
- 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)
- H01Q 1/12 Supports; Mounting means
- H01Q 1/27 Adaptation for use in or on movable bodies (H01Q1/08, H01Q1/12, H01Q1/18 take precedence)
- H01Q 1/36 Structural form of radiating elements, e.g. cone, spiral, umbrella; (H01Q1/08, H01Q1/14 take precedence)
- H01Q 1/40 Radiating elements coated with or embedded in protective material
- H01Q 1/42 Housings not intimately mechanically associated with radiating elements, e.g. radome
- H01Q 1/44 using equipment having another main function to serve additionally as an antenna (H01Q1/27 - H01Q1/34 take precedence)
- H01Q 1/48 Earthing means; Earth screens; Counterpoises
- H01Q 1/50 Structural association of antennas with earthing switches, lead-in devices or lightning protectors
- H01Q 1/52 Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure (absorbing means H01Q17/00)