A printhead IC for an inkjet printer, the inkjet printer having a print engine controller (PEC) for sending print data to the printhead IC, the printhead IC comprising: an array of nozzles for ejecting drops of printing fluid onto a media substrate; and, drive circuitry for driving the array of nozzles,...http://www.google.fr/patents/US7722163?utm_source=gb-gplus-shareBrevet US7722163 - Printhead IC with clock recovery circuit
