Patents Assigned to ASIS
  • Patent number: 6325757
    Abstract: An ultrasonic camera having a high efficiency ultrasonic lens is coupled to a ultrasonic transmitter/receiver by a stretched membrane interface. The ultrasonic lens provides highly efficient transmission of ultrasound without introducing aberrations. The ultrasound system also uses a quasi incoherent source to reduce speckle noise in the image.
    Type: Grant
    Filed: August 10, 2000
    Date of Patent: December 4, 2001
    Assignee: ASIS
    Inventors: Kenneth R. Erikson, Timothy E. White, R. Calvin Owen, Jr., Anthony M. Nicoli, Neal R. Butler