Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Main Group
H01Q 9/00

Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements

Introduced: September 1968

Of 3 combined children, 2 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

Navigate with arrow keys, Enter to open

  • H01Q 9/005 CPC only CPC only
  • H01Q 9/02 Non-resonant antennas IPC+CPC Available in IPC and CPC