Patents by Inventor John I. R. Owen

John I. R. Owen 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: 8649415
    Abstract: Embodiments of the present invention provide a method to produce a modulation signal comprising combining at least two modulation signals, for example, BOCs or derivatives thereof, having portions (chip or a number of chips) thereof with respective relative phases or states ({++,??} and {+?,?+}) selected such that the average of a plurality of said portions at least reduces cross spectral terms of the composite complex spectrum of said at least two modulation signals.
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: February 11, 2014
    Assignee: The Secretary of State for Defence
    Inventors: Anthony R. Pratt, John I. R. Owen
  • Publication number: 20120281736
    Abstract: Embodiments of the present invention provide a method to produce a modulation signal comprising combining at least two modulation signals, for example, BOCs or derivatives thereof, having portions (chip or a number of chips) thereof with respective relative phases or states ({++,??} and {+?,?+}) selected such that the average of a plurality of said portions at least reduces cross spectral terms of the composite complex spectrum of said at least two modulation signals.
    Type: Application
    Filed: June 28, 2012
    Publication date: November 8, 2012
    Applicant: THE SECRETARY OF STATE FOR DEFENCE
    Inventors: Anthony R. PRATT, John I. R. OWEN
  • Patent number: 8233518
    Abstract: Embodiments of the present invention provide a method to produce a modulation signal comprising combining at least two modulation signals, for example, BOCs or derivatives thereof, having portions (chip or a number of chips) thereof with respective relative phases or states ({++, ??} and {+?, ?+}) selected such that the average of a plurality of said portions at least reduces cross spectral terms of the composite complex spectrum of said at least two modulation signals.
    Type: Grant
    Filed: June 20, 2007
    Date of Patent: July 31, 2012
    Assignee: The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
    Inventors: Anthony R. Pratt, John I. R. Owen
  • Publication number: 20090279592
    Abstract: Embodiments of the present invention provide a method to produce a modulation signal comprising combining at least two modulation signals, for example, BOCs or derivatives thereof, having portions (chip or a number of chips) thereof with respective relative phases or states ({++, ?} and {+?, ?+}) selected such that the average of a plurality of said portions at least reduces cross spectral terms of the composite complex spectrum of said at least two modulation signals.
    Type: Application
    Filed: June 20, 2007
    Publication date: November 12, 2009
    Inventors: Anthony R. Pratt, John I.R Owen