DIFF Subgroup
H04N 1/41 Bandwidth or redundancy reduction (by scanning H04N1/17 )
Introduced: January 1980
Title
Titles differ between systems:
IPC: Bandwidth or redundancy reduction
CPC: Bandwidth or redundancy reduction (by scanning H04N1/17 )
Full Title
Full titles differ between systems:
IPC:
Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof > Bandwidth or redundancy reduction
CPC:
Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof > Bandwidth or redundancy reduction (by scanning H04N1/17 )
Of 2 combined children, 1 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 1985.
Child Classifications
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- H04N 1/411 for the transmission or reproduction of two-tone pictures, e.g. black and white pictures since 1985 +1 CPC IPC+CPC Available in IPC and CPC