• All sections
• H - Electricity
• H03L - Automatic control, starting, synchronisation, or stabilisation of generators of electronic oscillations or pulses
• H03L 7/087 - Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop - Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using at least two phase detectors or a frequency and phase detector in the loop

Patent holdings for IPC class H03L 7/087

Total number of patents in this class: 591

10-year publication summary

Principal owners for this class