Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas (RAKE receivers H04B1/7115)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas

CPC: Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas (RAKE receivers H04B1/7115)

Full Title

Full titles differ between systems:

IPC:

Radio transmission systems, i.e. using radiation field > Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas

CPC:

Radio transmission systems, i.e. using radiation field (H04B10/00, H04B15/00 take precedence) > Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas (RAKE receivers H04B1/7115)

Of 5 combined children, 4 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

Navigate with arrow keys, Enter to open

H04B 7/022 Site diversity; Macro-diversity (using two or more spaced independent antennas H04B7/04) since 2017 IPC+CPC Available in IPC and CPC
H04B 7/028 CPC only CPC only
H04B 7/04 using two or more spaced independent antennas +1 CPC IPC+CPC Available in IPC and CPC
H04B 7/10 Polarisation diversity; Directional diversity IPC+CPC Available in IPC and CPC
H04B 7/12 Frequency diversity IPC+CPC Available in IPC and CPC