Patents Examined by Dan T. Pihulis
  • Side-looking sonar apparatus
    Patent number: 4802148
    Abstract: A side-looking sonar system utilizing an extremely long arc transducer for ultra high resolution work. The transducer is made up of a plurality of segments each connected to signal processing apparatus which electronically varies the focus of the transducer as a function of time as well as a function of transducer altitude above a target area. Additional beams, parallel to a center beam, may be formed to give the system multi-beam capability for increased search rates.
    Type: Grant
    Filed: November 8, 1982
    Date of Patent: January 31, 1989
    Assignee: Westinghouse Electric Corp.
    Inventor: George A. Gilmour