Patent ID: 7705643

Claim:
Phase controller device for the phase-locked synchronization of an output clock pulse signal with an externally derived input signal that represents a serial input data stream comprising input clock pulse information and content data, wherein the phase controller device comprises: a signal detector configured to receive said externally derived input signal, said externally derived input signal comprising input clock pulse information, and further configured to output a synchronous clock pulse signal that is synchronous with the input clock pulse information; a voltage-controlled oscillator configured to supply a control clock pulse signal with a control clock pulse frequency that is proportional to a control voltage; a microcontroller comprising a working clock pulse input at which the control clock pulse signal supplied by the voltage-controlled oscillator is present, said microcontroller configured to execute a program with the control clock pulse frequency of the control clock pulse signal present at the working clock pulse input, wherein the program comprises steps for generating and issuing said output clock pulse signal having an output clock pulse frequency that is in a predetermined division ratio to the control clock pulse frequency of the control clock pulse signal; a phase comparator comprising inputs configured to receive the output clock pulse signal and the synchronous clock pulse signal, said phase comparator configured to generate and issue a DC voltage signal that is proportional to the phase difference of signals present at the inputs; and an integration unit comprising an input configured to receive the DC voltage signal, said integration unit configured to generate said control voltage that is proportional to the time integral of the DC voltage signal over a predefined time span, and wherein the control voltage is fed to the voltage-controlled oscillator.