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PCE
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DIFF Subgroup
H01Q 15/24

Polarising devices; Polarisation filters (H01Q15/12, H01Q15/22 take precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Polarising devices; Polarisation filters

CPC: Polarising devices; Polarisation filters (H01Q15/12, H01Q15/22 take precedence)

Full Title

Full titles differ between systems:

IPC:

Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices > Polarising devices; Polarisation filters

CPC:

Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices (variable for purpose of altering directivity H01Q3/00; arrangements of such devices for guiding waves H01P3/20; variable for purpose of modulation H03C7/02) > Polarising devices; Polarisation filters (H01Q15/12, H01Q15/22 take precedence)

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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