Patents by Inventor Bob Hamilton

Bob Hamilton 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).

  • Stratum clock state machine multiplexing switching
    Patent number: 6943609
    Abstract: A method includes receiving a pair of input clock signals; utilizing a stratum clock state machine to control a multiplexer; utilizing the multiplexer to switch an input of a main clock between each of the pair of input clock signals; inducing a phase build-out activity; and transmitting an output clock signal.
    Type: Grant
    Filed: February 19, 2004
    Date of Patent: September 13, 2005
    Assignee: Symmetricom Inc
    Inventors: George Zampetti, Bob Hamilton
  • Synchronization module
    Patent number: 6876242
    Abstract: Systems and methods are described for a core sync module. A method includes receiving a pair of input clock signals; utilizing a stratum clock state machine to control a multiplexer; utilizing the multiplexer to switch an input of a main clock between each of the pair of input clock signals; inducing a phase build-out activity; and transmitting an output clock signal. An apparatus includes a first input clock digital phase-locked loop; a second input clock digital phase-locked loop; a stratum clock state machine coupled to the first input clock digital phase-locked loop and to the second input clock digital phase-locked loop; and a main clock phase-locked loop coupled to the first input clock digital phase-locked loop, to the second input clock digital phase-locked and to the stratum clock state machine.
    Type: Grant
    Filed: February 19, 2004
    Date of Patent: April 5, 2005
    Assignee: Symmetricom, Inc.
    Inventors: George Zampetti, Bob Hamilton
  • Synchronization module
    Publication number: 20040164776
    Abstract: Systems and methods are described for a core sync module. A method includes receiving a pair of input clock signals; utilizing a stratum clock state machine to control a multiplexer; utilizing the multiplexer to switch an.input of a main clock between each of the pair of input clock signals; inducing a phase build-out activity; and transmitting an output clock signal. An apparatus includes a first input clock digital phase-locked loop; a second input clock digital phase-locked loop; a stratum clock state machine coupled to the first input clock digital phase-locked loop and to the second input clock digital phase-locked loop; and a main clock phase-locked loop coupled to the first input clock digital phase-locked loop, to the second input clock digital phase-locked and to the stratum clock state machine.
    Type: Application
    Filed: February 19, 2004
    Publication date: August 26, 2004
    Inventors: George Zampetti, Bob Hamilton
  • Stratum clock state machine multiplexing switching
    Publication number: 20040164782
    Abstract: Systems and methods are described for a core sync module. A method includes receiving a pair of input clock signals; utilizing a stratum clock state machine to control a multiplexer; utilizing the multiplexer to switch an input of a main clock between each of the pair of input clock signals; inducing a phase build-out activity; and transmitting an output clock signal. An apparatus includes a first input clock digital phase-locked loop; a second input clock digital phase-locked loop; a stratum clock state machine coupled to the first input clock digital phase-locked loop and to the second input clock digital phase-locked loop; and a main clock phase-locked loop coupled to the first input clock digital phase-locked loop, to the second input clock digital phase-locked and to the stratum clock state machine.
    Type: Application
    Filed: February 19, 2004
    Publication date: August 26, 2004
    Inventors: George Zampetti, Bob Hamilton
  • Stratum clock state machine multiplexer switching
    Patent number: 6765424
    Abstract: Methods include receiving a pair of input clock signals; utilizing a stratum clock state machine to control a multiplexer; utilizing the multiplexer to switch an input of a main clock between each of the pair of input clock signals; inducing a phase build-out activity; and transmitting an output clock signal.
    Type: Grant
    Filed: November 20, 2001
    Date of Patent: July 20, 2004
    Assignee: Symmetricom, Inc.
    Inventors: George Zampetti, Bob Hamilton