Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
H01Q 19/22

using a secondary device in the form of a single substantially straight conductive element

Introduced: September 1968

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

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

Navigate with arrow keys, Enter to open

  • H01Q 19/24 the primary active element being centre-fed and substantially straight, e.g. H-antenna IPC+CPC Available in IPC and CPC
  • H01Q 19/26 the primary active element being end-fed and elongated IPC+CPC Available in IPC and CPC