Patents by Inventor Jeevan Bank

Jeevan Bank has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for eliminating audio feedback
    Patent number: 6108427
    Abstract: The present invention is embodied in a method and apparatus for eliminating audio feedback which includes an active microphone coupled to an amplifier which transmits signals received at the active microphone to a parametric speaker for broadcasting. The apparatus comprises at least one transducer for detecting at least one sonic frequency and generating an electrical signal representative of the at least one sonic frequency, a processor for receiving the electrical signal and generating a first ultrasonic frequency which has modulated thereon the at least one sonic frequency, a parametric demodulator for recovering the at least one sonic frequency from the first ultrasonic frequency, and a speaker for directly emitting the at least one sonic frequency.
    Type: Grant
    Filed: June 4, 1997
    Date of Patent: August 22, 2000
    Assignee: American Technology Corporation
    Inventors: Elwood G. Norris, Jeevan Bank