Patent classifications
H
ELECTRICITY
Load children
H04
ELECTRIC COMMUNICATION TECHNIQUE
Load children
H04N
PICTORIAL COMMUNICATION, e.g. TELEVISION
Load children
2201/00
Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
Load children Filter patents View analytics View as hierarchy
H04N2201/04
Scanning arrangements
Load children Filter patents View analytics View as hierarchy
H04N2201/047
Detection, control or error compensation of scanning velocity or position
Load children Filter patents View analytics View as hierarchy
H04N2201/04701
Detection of scanning velocity or position
Load children Filter patents View analytics View as hierarchy
H04N2201/04715
by detecting marks or the like, e.g. slits
Load children Filter patents View analytics View as hierarchy
H04N2201/04717
on the scanned sheet, e.g. a reference sheet
Load children Filter patents View analytics View as hierarchy