Patents by Inventor Gordon M. Stewart

Gordon M. Stewart 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).

  • Patent number: 6643516
    Abstract: A portable telephone capable of background location transmission response, and methods which can be executed by such a telephone or a system using such a telephone. In one such portable telephone, a position locator which, in response to a location request signal, can determine the location of the portable telephone and generate a corresponding location signal. A receiver receives an incoming call signal and an incoming location request signal. A user interface has: an audio or visual user output device which can reproduce audio or visual information in an incoming call signal as a corresponding audio or visual display; and an audio user input device which generates an audio output signal corresponding to a user's voice. An alert generator which, in response to a received incoming call signal, generates a first physical characteristic to indicate an incoming call to a user of the portable telephone.
    Type: Grant
    Filed: March 6, 2000
    Date of Patent: November 4, 2003
    Inventor: Gordon M. Stewart
  • Patent number: 6049718
    Abstract: A portable telephone capable of background location transmission response, and methods which can be executed by such a telephone or a system using such a telephone. In one such portable telephone, a position locator which, in response to a location request signal, can determine the location of the portable telephone and generate a corresponding location signal. A receiver receives an incoming call signal and an incoming location request signal. A user interface has: an audio or visual user output device which can reproduce audio or visual information in an incoming call signal as a corresponding audio or visual display; and an audio user input device which generates an audio output signal corresponding to a user's voice. An alert generator which, in response to a received incoming call signal, generates a first physical characteristic to indicate an incoming call to a user of the portable telephone.
    Type: Grant
    Filed: July 29, 1997
    Date of Patent: April 11, 2000
    Inventor: Gordon M. Stewart