Patents by Inventor Timothy Allen Burcham

Timothy Allen Burcham 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).

  • Publication number: 20130328743
    Abstract: A coaxial helical antenna for transmitting or receiving information through electromagnetic waves includes a first helical antenna comprising a first helix comprising a first diameter and a center cavity; a second helical antenna comprising a second helix comprising a second diameter, wherein the second diameter is smaller than the first diameter, and wherein the second helical antenna is seated within the center cavity of the first helical antenna; a shaped ground plate coupled to the first helical antenna and the second helical antenna; and two microstrip impedance transformers coupled to the first helical antenna, the second helical antenna, and the shaped ground plate.
    Type: Application
    Filed: August 15, 2013
    Publication date: December 12, 2013
    Applicant: U.S. Government as represented by the Secretary of the Army
    Inventors: William O'Keefe Coburn, Timothy Allen Burcham
  • Publication number: 20110215984
    Abstract: A coaxial helical antenna for transmitting or receiving information through electromagnetic waves includes a first helical antenna comprising a first helix comprising a first diameter and a center cavity; a second helical antenna comprising a second helix comprising a second diameter, wherein the second diameter is smaller than the first diameter, and wherein the second helical antenna is seated within the center cavity of the first helical antenna; a shaped ground plate coupled to the first helical antenna and the second helical antenna; and two microstrip impedance transformers coupled to the first helical antenna, the second helical antenna, and the shaped ground plate.
    Type: Application
    Filed: March 3, 2010
    Publication date: September 8, 2011
    Inventors: William O'Keefe Coburn, Timothy Allen Burcham