231000 ⎘
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 using an optical, electro-optical or acousto-optical element using a refracting element
Prism block for suppressing decrease of amount of light by medium, optical unit, and scanner optical system
#2Method and apparatus for controlling multiple beam spacing
#3Optical beam scanning apparatus, image forming apparatus
#4Plotting state adjusting method and device
#5Method and apparatus for controlling multiple beam spacing
#6Optical beam scanning apparatus, image forming apparatus
#7Image reading apparatus, image forming apparatus and image reading method
#8Optical scanning apparatus for accurately detecting and correcting position of optical beam in subscanning direction, and the method