Patents Represented by Attorney Hershkovits & Associates LLC

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  • Ring transducers for sonic, ultrasonic hearing
    Patent number: 8107647
    Abstract: A ring transducer comprising an outer metal ring and an inner ceramic ring provides a device for the conduction of ultrasonic signals directly in the ear canal, thereby providing an efficient means for the conduction of such signals. In an alternate embodiment, stacks of piezoelectric film, optionally shaped into a ring, may be used for placement in the ear or outside the ear, such as on the ends of eyeglasses.
    Type: Grant
    Filed: January 3, 2008
    Date of Patent: January 31, 2012
    Assignee: Biosecurity Technologies, Inc.
    Inventor: Martin L. Lenhardt