Patents Assigned to Seabeam Instruments, Inc.
  • Sonar transducer
    Patent number: 5099460
    Abstract: The sonar transducer includes a metal core about which is situated a cylindrical piezoelectric ceramic ring element with paper interposed therebetween. In order to improve resistance to fracture resulting from mechanical shock, in one embodiment, the core is reduced in diameter, such that a potting compound can be situated between the paper and the ring. In a second embodiment, the ring element is divided into two individual, axially aligned cylindrical ring subelements with a gasket interposed therebetween.
    Type: Grant
    Filed: August 13, 1990
    Date of Patent: March 24, 1992
    Assignee: Seabeam Instruments, Inc.
    Inventors: Alfred Poturnicki, Jr., John Pagliarini, Jr., Thomas Baldasarre, Mario Delara, James Traft