Patents Assigned to First Circle, LLC
  • Communication link termination indication signal method and apparatus
    Patent number: 9844022
    Abstract: Upon detecting at a two-way communication device that a communication link has been terminated, the two-way communication device can provide a unique corresponding signal (such as a unique audible signal) to indicate such termination. Pursuant to one approach, a plurality of such unique signals are available and a specific one of the available signals is selected for use in a given circumstance using a selection criteria of choice.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: December 12, 2017
    Assignee: First Circle, LLC
    Inventor: Brockett Muir