using an optical, electro-optical or acousto-optical element

Full Title

Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof > Scanning arrangements > Detection, control or error compensation of scanning velocity or position > Control or error compensation of scanning position or velocity > by controlling the position of the scanned image area (H04N2201/04755, H04N2201/04756 take precedence) > using an optical, electro-optical or acousto-optical element

Of 3 combined children, 0 exist in both systems.

3 codes are CPC-only extensions.

Note: 3 CPC extensions are marked as secondary classification only.

This code exists only in CPC.

Diff view requires codes present in both systems.

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