IPC Subgroup
H01Q 1/36 Structural form of radiating elements, e.g. cone, spiral, umbrella
Introduced: September 1968
Last revised: January 2006
Full Title
Details of, or arrangements associated with, antennas > Structural form of radiating elements, e.g. cone, spiral, umbrella
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ANTENNAS, i.e. RADIO AERIALS
1 direct subcode
Child Classifications
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- H01Q 1/38 formed by a conductive layer on an insulating support