Patents by Inventor Larry A. Navarro, Jr.

Larry A. Navarro, Jr. 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).

  • Phase locked loop unlock detector
    Patent number: 6072368
    Abstract: A phase locked loop unlock detector is provided for a data detection channel in a direct access storage device (DASD). The phase locked loop unlock detector includes a counter for generating a threshold reference relative to a reference signal. An unlock window generator is coupled to the counter for generating an unlock window signal. An unlock error detector is coupled to the unlock window generator for comparing a variable frequency signal with the unlock window signal.
    Type: Grant
    Filed: October 21, 1998
    Date of Patent: June 6, 2000
    Assignee: International Business Machines Corporation
    Inventors: Richard Leo Galbraith, Larry A. Navarro, Jr., Todd Carter Truax