DIFF Subgroup
H04N 1/03 with photodetectors arranged in a substantially linear array
Introduced: January 1995
Full Title
Full titles differ between systems:
IPC:
Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof > Details of scanning heads > for picture-information pick-up > with photodetectors arranged in a substantially linear array
CPC:
Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof > Details of scanning heads > for picture information pick-up > with photodetectors arranged in a substantially linear array
CPC subdivides this area 4x more granularly than IPC with 3 additional codes.
3 codes are CPC-only extensions.
IPC defines codes here since 1995.
Child Classifications
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- H04N 1/031 the photodetectors having a one-to-one and optically positive correspondence with the scanned picture elements, e.g. linear contact sensors since 1995 +5 CPC IPC+CPC Available in IPC and CPC