IPC Subgroup
H01Q 15/24 Polarising devices; Polarisation filters
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 > Polarising devices; Polarisation filters
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ANTENNAS, i.e. RADIO AERIALS
Scope Notes
Limiting references: Devices functioning simultaneously both as polarisation filters and as refracting or diffracting devices or as reflectors ,
Related Keywords
POLARISATION of electromagnetic waves