Patents by Inventor Sanjay Sundermurthy

Sanjay Sundermurthy 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).

  • Differential microphone
    Patent number: 6788796
    Abstract: A new acoustic sensing device or directional microphone having greater sensitivity and reduced noise. The directional microphone or acoustic sensor has a rigid, one micron thick, polysilicon membrane having dimensions of about 1 mm×2 mm. The membrane is supported upon its center by rigid supports having torsional and transverse stiffness. The differential microphone is useful in hearing aids, telecommunications equipment, information technology and military applications.
    Type: Grant
    Filed: August 1, 2001
    Date of Patent: September 7, 2004
    Assignee: The Research Foundation of the State University of New York
    Inventors: Ronald Miles, Sanjay Sundermurthy, Colum Gibbons, Ronald Hoy, Daniel Robert