Patents by Inventor John M. Harrison

John M. Harrison 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: 4461927
    Abstract: A system is disclosed which may readily be added to an existing system of phones and electrical outlets. It includes circuitry that, responsive to sensing of a condition, seizes a telephone line, dials a single digit and introduces a preferably beeping signal into the line to warn the switchboard operator of the sensed condition. The system repeats the cycle until the sensed condition ceases.
    Type: Grant
    Filed: March 3, 1983
    Date of Patent: July 24, 1984
    Inventors: Ronald E. Olson, William H. Windel, John M. Harrison
  • Patent number: 4317960
    Abstract: A telephone conferencing and inquiry handling apparatus and method provide a plurality of incoming calls with access to one or more ongoing or new communications groupings or pools. Apparatus for monitoring the level of voice energy on the incoming lines allows identification of a caller and allows registration of callers' opinions, i.e. votes. Confirmation signals provide a caller with audible feedback that his vote has been recorded. New subscribers, or limited or restricted subscribers, can access the system on a monitor-only basis, in which they can listen to ongoing conversation pools but are unable themselves to speak with other members of the pool.
    Type: Grant
    Filed: March 23, 1979
    Date of Patent: March 2, 1982
    Assignee: Small World Exchange, Inc.
    Inventors: Avery R. Johnson, John M. Harrison
  • Patent number: 4317007
    Abstract: A telephone conferencing and inquiry handling apparatus and method provide a plurality of incoming calls with access to one or more ongoing or new communications groupings or pools. Apparatus for monitoring the level of voice energy on the incoming lines allows identification of a caller and allows registration of callers' opinions, i.e. votes. Confirmation signals provide a caller with audible feedback that his voice has been recorded. New subscribers, or limited or restricted subscribers, can access the system on a monitor-only basis, in which they can listen to ongoing conversation pools but are unable themselves to speak with other members of the pool.
    Type: Grant
    Filed: March 23, 1979
    Date of Patent: February 23, 1982
    Assignee: Small World Exchange, Inc.
    Inventor: John M. Harrison
  • Patent number: 4305149
    Abstract: A communication conferencing and inquiry handling apparatus and method provide a plurality of communication channels with access to one or more ongoing or new communications groupings or pools. Conferencing between different communication channels employs an analog transmit signal path and an analog receive signal path for each channel, and selective switching of each such path to a common analog bus.
    Type: Grant
    Filed: March 23, 1979
    Date of Patent: December 8, 1981
    Assignee: Small World Exchange, Inc.
    Inventor: John M. Harrison
  • Patent number: 4303804
    Abstract: A telephone conferencing and inquiry handling apparatus and method provide a plurality of incoming calls with access to one or more ongoing or new communications groupings or pools. Apparatus for monitoring the level of voice energy on the incoming lines allows identification of a caller and allows registration of callers' opinions, i.e. votes. Confirmation signals provide a caller with audible feedback that his vote has been recorded. New subscribers, or limited or restricted subscribers, can access the system on a monitor-only basis, in which they can listen to ongoing conversation pools but are unable themselves to speak with other members of the pool.
    Type: Grant
    Filed: March 23, 1979
    Date of Patent: December 1, 1981
    Assignee: Small World Exchange, Inc.
    Inventors: Avery R. Johnson, John M. Harrison
  • Patent number: 4295008
    Abstract: A telephone conferencing and inquiry handling apparatus and method provide a plurality of incoming calls with access to one or more ongoing or new communications groupings or pools. Apparatus for monitoring the level of voice energy on the incoming lines allows identification of a caller and allows registration of callers' opinions, i.e. votes. Confirmation signals provide a caller with audible feedback that his vote has been recorded. New subscribers, or limited or restricted subscribers, can access the system on a monitor-only basis, in which they can listen to ongoing conversation pools but are unable themselves to speak with other members of the pool.
    Type: Grant
    Filed: March 23, 1979
    Date of Patent: October 13, 1981
    Assignee: Small World Exchange, Inc.
    Inventors: Avery R. Johnson, Richard G. McGurk, John M. Harrison
  • Patent number: 4001559
    Abstract: A communications line under test intercouples programmable local units, one of which transmits an analog waveform to the other in response to digital control signals received from a computer. The receiving programmable local unit transmits a digital signal to the computer representative of the received analog signal to thereby enable the computer to determine transmission characteristics of the communications line intercoupling the programmable local units.
    Type: Grant
    Filed: December 16, 1974
    Date of Patent: January 4, 1977
    Assignee: Northern Telecom, Inc.
    Inventors: Deane C. Osborne, John M. Harrison, Alfred K. Hillman, Jr.