Patents by Inventor Michael John Gingell

Michael John Gingell 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).

  • Apparatus for detecting a change in volumetric integrity of an enclosure
    Patent number: 5726355
    Abstract: An apparatus for detecting a change in the volumetric integrity of the interior of an enclosure. The enclosure has an electrical interface for coupling to a circuit board and an access device for accessing said interior of said enclosure. The apparatus includes a circuit board for coupling to the electrical interface. Further, the apparatus includes evaluation circuitry connected to the circuit board for detecting the change in volumetric integrity of the enclosure, wherein the circuitry does not mechanically interact with the access device. Various other apparatus and methodology for detecting the stated change are also discussed.
    Type: Grant
    Filed: March 4, 1997
    Date of Patent: March 10, 1998
    Assignee: Alcatel Network Systems, Inc.
    Inventors: Joseph Edward Sutherland, Michael John Gingell
  • Digital-to-analog converter
    Patent number: 4109110
    Abstract: The sample rate of the digital input is increased to a point where by reducing the number of bits per sample the final digital-to-analog conversion can be accomplished in a rate multiplier.
    Type: Grant
    Filed: May 16, 1977
    Date of Patent: August 22, 1978
    Assignee: International Standard Electric Corporation
    Inventor: Michael John Gingell