IPC Subgroup
H01Q 15/16 curved in two dimensions [2D], e.g. paraboloidal
Introduced: September 1968
Last revised: January 2006
Full Title
Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices > Reflecting surfaces; Equivalent structures > curved in two dimensions [2D], e.g. paraboloidal
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ANTENNAS, i.e. RADIO AERIALS