Patents by Inventor John W. Archambeault

John W. Archambeault 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).

  • Method and apparatus for detecting message waiting signal
    Patent number: 6230007
    Abstract: A method and apparatus are provided for detecting a message waiting condition on a telephone. The method includes providing a control signal to a detect circuit in response to terminating a local use of the telephone, determining a message waiting signal on an external line connected to the telephone in response to the control signal, and activating a visual message waiting indicator in the telephone in response to determining the message waiting signal on the external line.
    Type: Grant
    Filed: August 17, 1998
    Date of Patent: May 8, 2001
    Assignee: Legerity, Inc.
    Inventor: John W. Archambeault