Details of scanning heads

Introduced: January 1980

Full Title

Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof > Details of scanning heads

CPC subdivides this area 3x more granularly than IPC with 4 additional codes.

4 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1980.

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H04N 1/02409 CPC only CPC only
H04N 1/02418 +5 CPC CPC only CPC only
H04N 1/02481 CPC only CPC only
H04N 1/0249 CPC only CPC only
H04N 1/028 for picture information pick-up since 1980 +3 CPC IPC+CPC Available in IPC and CPC
H04N 1/032 for picture information reproduction since 1980 +2 CPC IPC+CPC Available in IPC and CPC

Class H04,2013–2023, worldwide · Source: EPO PATSTAT

Class H04,2013–2023, worldwide · Source: EPO PATSTAT