230967 ⎘
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; Detection of scanning velocity or position using the scanning elements as detectors, e.g. by performing a prescan using inactive scanning elements, e.g. elements outside the scanning area which undergo the same scanning as the active elements in at least one direction
Optical scanning
#2Optical scanning apparatus and image forming apparatus
#3Scanning apparatus, driving method therefor, and image forming apparatus having the same
#4Image reading apparatus, and image expansion and contraction correcting method