Patents by Inventor Ulrich MÖEHLMANN

Ulrich MÖEHLMANN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10187069
    Abstract: A phase locked loop is disclosed comprising: a phase detector, a loop filter, a frequency controller oscillator and a lock detector. The phase detector is operable in a bang-bang mode to provide a binary phase error signal indicating whether there is a positive or negative phase difference between a reference signal and a feedback signal. The loop filter is configured to provide a control signal derived from the binary phase error signal. The frequency controlled oscillator is configured to receive the control signal and provide an output signal with a frequency that varies according to the control signal. The lock/unlock detector is configured to determine a lock/unlock state of the phase locked loop, the lock/unlock state derived from a duty cycle and/or spectral content of the binary phase error signal.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: January 22, 2019
    Assignee: NXP B.V.
    Inventor: Ulrich Möehlmann
  • Publication number: 20170366192
    Abstract: A phase locked loop is disclosed comprising: a phase detector, a loop filter, a frequency controller oscillator and a lock detector. The phase detector is operable in a bang-bang mode to provide a binary phase error signal indicating whether there is a positive or negative phase difference between a reference signal and a feedback signal. The loop filter is configured to provide a control signal derived from the binary phase error signal. The frequency controlled oscillator is configured to receive the control signal and provide an output signal with a frequency that varies according to the control signal. The lock/unlock detector is configured to determine a lock/unlock state of the phase locked loop, the lock/unlock state derived from a duty cycle and/or spectral content of the binary phase error signal.
    Type: Application
    Filed: May 31, 2017
    Publication date: December 21, 2017
    Inventor: Ulrich MÖEHLMANN