Patent classifications
H
ELECTRICITY
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H04
ELECTRIC COMMUNICATION TECHNIQUE
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H04N
PICTORIAL COMMUNICATION, e.g. TELEVISION
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1/00
Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
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H04N1/04
Scanning arrangements; , i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
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H04N1/047
Detection, control or error compensation of scanning velocity or position
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