Patents by Inventor Elizabeth Kelly

Elizabeth Kelly 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: 4872346
    Abstract: A method and an apparatus for ultrasound imaging at different frequencies using a single ultrasound transducer. The transducer has a single characteristic frequency. The method and apparatus involve driving the transducer with pulses having different rise times through different coupling circuits having different impedance characteristics. Between pulses, the same transducer and coupling circuit which were used during the pulse transmission "listen" for echoes from the structure being ultrasonically investigated. It is believed that the combination of different pulses having different rise times and different coupling circuits having different characteristics enhances different ones of the frequencies contained in the Fourier spectrum of the driving pulse and suppresses others. This enables the operator to investigate a structure ultrasonically with a single transducer at different frequencies which illuminate different characteristics of the structure to greatest advantage.
    Type: Grant
    Filed: June 30, 1988
    Date of Patent: October 10, 1989
    Assignee: Indianapolis Center for Advanced Research
    Inventors: Elizabeth Kelly-Fry, Steven T. Morris
  • Patent number: 4347850
    Abstract: A direct water coupling device for ultrasound scanning of the human breast in a supine position. A tank, which has an open top and an open bottom and has a bottom edge which is shaped so as to conform to the shape of a human body about the perimeter of the breast area, is placed in a sealed position about the breast while the patient is in a supine position. A strapping apparatus maintains the device in position while the tank is filled with water and the ultrasound scan is performed.
    Type: Grant
    Filed: March 19, 1980
    Date of Patent: September 7, 1982
    Assignee: Indianapolis Center for Advanced Research, Inc.
    Inventors: Elizabeth Kelly-Fry, Francis J. Fry, George W. Gardner