IPC Main Group
H01Q 1/00 Details of, or arrangements associated with, antennas
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ANTENNAS, i.e. RADIO AERIALS
13 direct subcodes
Child Classifications
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- 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
- H01Q 1/12 Supports; Mounting means
- H01Q 1/27 Adaptation for use in or on movable bodies
- H01Q 1/36 Structural form of radiating elements, e.g. cone, spiral, umbrella
- H01Q 1/4 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
- H01Q 1/48 Earthing means; Earth screens; Counterpoises
- H01Q 1/5 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