Patents by Inventor Richard W. Carlisle

Richard W. Carlisle 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).

  • Inertial microphone system
    Patent number: 4006318
    Abstract: An inertial-reaction microphone transducer mounting supported on the wearer's head away from the mouth for transmitting speech to the exclusion of ambient. A compliant, radial array of elastomer supporting material presses the transducer gently to the head. The transducer and supporting array may be mounted in a cup covering one ear, or it may be mounted in a capsule having an acoustical labyrinth frequency-selective vent for the neutralization of noise.
    Type: Grant
    Filed: April 21, 1975
    Date of Patent: February 1, 1977
    Assignee: Dyna Magnetic Devices, Inc.
    Inventors: George J. Sebesta, Alan Hofer, Richard W. Carlisle