Patents by Inventor Stephen E. Forsythe

Stephen E. Forsythe 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).

  • Adaptive high frequency laser sonar system
    Patent number: 7613075
    Abstract: An acoustic sensing device includes a housing having an internal cavity filled with a vibration decoupling medium. An acoustic window formed of an acoustically transparent material is mounted in the housing. This mounting can be by antivibration mounts to prevent housing noise from affecting the acoustic window. A scanning laser vibrometer is positioned within the housing and directed to detect vibrations of the acoustic window. Antivibration mounts are joined between said scanning laser vibrometer and said housing. In further embodiments, the scanning laser vibrometer detects vibrations at a plurality of locations on the acoustic window forming a virtual array.
    Type: Grant
    Filed: June 12, 2007
    Date of Patent: November 3, 2009
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Benjamin A. Cray, Walter H. Boober, Stephen E. Forsythe, Lee E. Estes, Andrew J. Hull
  • Adaptive High Frequency Laser Sonar System
    Publication number: 20080310256
    Abstract: An acoustic sensing device includes a housing having an internal cavity filled with a vibration decoupling medium. An acoustic window formed of an acoustically transparent material is mounted in the housing. This mounting can be by antivibration mounts to prevent housing noise from affecting the acoustic window. A scanning laser vibrometer is positioned within the housing and directed to detect vibrations of the acoustic window. Antivibration mounts are joined between said scanning laser vibrometer and said housing. In further embodiments, the scanning laser vibrometer detects vibrations at a plurality of locations on the acoustic window forming a virtual array.
    Type: Application
    Filed: June 12, 2007
    Publication date: December 18, 2008
    Inventors: Benjamin A. Cray, Walter H. Boober, Stephen E. Forsythe, Lee E. Estes, Andrew J. Hull
  • Broadband and wide field of view composite transducer array
    Patent number: 6984923
    Abstract: A composite transducer array comprises a piezoelectric polymer composite panel, a continuous electrode coupled to a first surface of the composite panel, and a plurality of electrically-isolated electrode segments coupled to a second surface of the composite panel. Each electrode segment is shaped as an angular segment of a circular ring. The electrode segments are arranged to define an array of concentric circular rings of electrode segments.
    Type: Grant
    Filed: December 24, 2003
    Date of Patent: January 10, 2006
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Kenneth M. Walsh, Kim C. Benjamin, Stephen E. Forsythe