using a phase-locked loop

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) > by controlling the timing of the signals, e.g. by controlling the frequency o phase of the pixel clock > Controlling the frequency of the signals > using a phase-locked loop