Patents by Inventor Ian S. Dobie

Ian S. Dobie 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: 8064593
    Abstract: Systems for a loss of power detection for headset amplifiers are disclosed. The system generally includes a headset and headset amplifier. The headset amplifier includes a switch for electrically connecting the headset and a telephone apparatus. The switch is closed when the headset amplifier is in a powered status and the switch is open when the headset amplifier is in a powerless status.
    Type: Grant
    Filed: January 26, 2006
    Date of Patent: November 22, 2011
    Assignee: Plantronics, Inc.
    Inventor: Ian S. Dobie