Patents by Inventor Mohsen Nasroullahi

Mohsen Nasroullahi 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).

  • Apparatus and method for improving lock time
    Patent number: 11387815
    Abstract: An apparatus is provided to improve lock time of a phase locked loop, wherein the apparatus comprises: a ring oscillator including at least two delay stages, wherein each delay stage has a controllable delay; and a multiphase frequency monitor coupled to the ring oscillator to monitor frequency at an output of at least two delay stages of the ring oscillator.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: July 12, 2022
    Assignee: Intel Corporation
    Inventors: William Li, Mohsen Nasroullahi, Khoa Nguyen
  • APPARATUS AND METHOD FOR IMPROVING LOCK TIME
    Publication number: 20210143803
    Abstract: An apparatus is provided to improve lock time of a phase locked loop, wherein the apparatus comprises: a ring oscillator including at least two delay stages, wherein each delay stage has a controllable delay; and a multiphase frequency monitor coupled to the ring oscillator to monitor frequency at an output of at least two delay stages of the ring oscillator.
    Type: Application
    Filed: December 11, 2020
    Publication date: May 13, 2021
    Applicant: Intel Corporation
    Inventors: William Li, Mohsen Nasroullahi, Khoa Nguyen
  • Apparatus and method for improving lock time
    Patent number: 10868523
    Abstract: An apparatus is provided to improve lock time of a phase locked loop, wherein the apparatus comprises: a ring oscillator including at least two delay stages, wherein each delay stage has a controllable delay; and a multiphase frequency monitor coupled to the ring oscillator to monitor frequency at an output of at least two delay stages of the ring oscillator.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: December 15, 2020
    Assignee: Intel Corporation
    Inventors: William Li, Mohsen Nasroullahi, Khoa Nguyen
  • APPARATUS AND METHOD FOR IMPROVING LOCK TIME
    Publication number: 20200127647
    Abstract: An apparatus is provided to improve lock time of a phase locked loop, wherein the apparatus comprises: a ring oscillator including at least two delay stages, wherein each delay stage has a controllable delay; and a multiphase frequency monitor coupled to the ring oscillator to monitor frequency at an output of at least two delay stages of the ring oscillator.
    Type: Application
    Filed: June 29, 2018
    Publication date: April 23, 2020
    Applicant: Intel Corporation
    Inventors: William Li, Mohsen Nasroullahi, Khoa Nguyen