Patents Assigned to VN Instruments Limited
  • Ultrasonic testing using synthetic impulses
    Patent number: 6343510
    Abstract: An ultrasonic testing method and apparatus which includes synthesizing impulse response images using specially constructed waveforms. The apparatus includes a waveform generator, transducers for transmitting and receiving the ultrasonic signals and a digital signal processor or computer for efficiently processing the captured signal data to form the desired impulse response signals.
    Type: Grant
    Filed: April 22, 1999
    Date of Patent: February 5, 2002
    Assignee: VN Instruments Limited
    Inventors: Ian A. Neeson, Leon C. Vandervalk, Andre D. Chevrier