DIFF Subgroup
H04B 14/04 using pulse code modulation
Introduced: January 1985
Full Title
Full titles differ between systems:
IPC:
Transmission systems not characterised by the medium used for transmission > characterised by the use of pulse modulation > using pulse code modulation
CPC:
Transmission systems not characterised by the medium used for transmission (details thereof H04B1/00) > characterised by the use of pulse modulation (in radio transmission relays H04B7/17) > using pulse code modulation
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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