IPC Subgroup
H01Q 19/26 the primary active element being end-fed and elongated
Introduced: September 1968
Last revised: January 2006
Full Title
Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic > using a secondary device in the form of a single substantially straight conductive element > the primary active element being end-fed and elongated
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ANTENNAS, i.e. RADIO AERIALS