3584142
Combined telephone and data-transfer system
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Issued on: 06/07/1983
Inventor: Artom
Teleconferencing method and system
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Issued on: 05/07/1985
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Conversational video system
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Multilocation video conference terminal including rapid video switching
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Issued on: 03/04/1986
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Videophone network system
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Issued on: 02/24/1987
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Communication system for videoconferencing
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Issued on: 03/17/1987
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Graphics based call management
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Variable bandwidth switching system
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Issued on: 07/07/1987
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Workstation for interfacing with a video conferencing network
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Issued on: 08/11/1987
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Video conferencing network
Patent #: 4710917
Issued on: 12/01/1987
Inventor: Tompkins , et al.
Video/audio information transmission system
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Issued on: 03/29/1988
Inventor: Okada , et al.
Telecommunications interface
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Issued on: 05/31/1988
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Moving picture signal transmission system
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Issued on: 05/02/1989
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Video conferencing network
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Issued on: 07/11/1989
Inventor: Tompkins , et al.
Simultaneous audio and video transmission with restricted bandwidth
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Issued on: 07/18/1989
Inventor: Kleinerman
Multi-location video conference system
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Issued on: 11/21/1989
Inventor: Mahmoud
Videotelephone apparatus for transmitting high and low resolution video signals over telephone exchange lines
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Issued on: 12/19/1989
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Video-telephone communications system
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Issued on: 01/09/1990
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Telecommunication system with subscriber controlled feature modification
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Issued on: 01/30/1990
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Multi-media virtual circuit
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Issued on: 02/27/1990
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Quadrature amplitude modulation with line synchronization pulse for video telephone
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Issued on: 04/17/1990
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Dual-mode teleconferencing system
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Issued on: 05/08/1990
Inventor: Ohki, et al.
Conversational video phone
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Issued on: 06/05/1990
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Cyclic video region transmission for videoconferencing systems
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Issued on: 06/19/1990
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Method an apparatus for specification of communication parameters
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Issued on: 07/17/1990
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Still picture picturephone communications system
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Issued on: 07/24/1990
Inventor: Ohtsuka, et al.
Audiographics conferencing arrangement
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Issued on: 08/28/1990
Inventor: Hayden, et al.
Image transmission system
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Issued on: 08/28/1990
Inventor: Ishikawa, et al.
Apparatus for still picture video telephone apparatus and methods for transmitting and displaying still picture image for use therein
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Issued on: 10/09/1990
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Video conferencing system for courtroom and other applications
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Issued on: 10/23/1990
Inventor: Kannes
Video conference installation
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Issued on: 02/19/1991
Inventor: Weber, et al.
Multi-point conference system
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Issued on: 03/26/1991
Inventor: Ashida, et al.
Fast contact conversational video system
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Issued on: 07/23/1991
Inventor: Ordish
Method of and circuit arrangement for guiding a user of a communication or data terminal
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Issued on: 08/20/1991
Inventor: Flohrer
Method and apparatus for providing real-time switching of high bandwidth transmission channels
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Issued on: 08/20/1991
Inventor: Lee, et al.
Telephone answering device with TV telephone
Patent #: 5046079
Issued on: 09/03/1991
Inventor: Hashimoto
Video codec including pipelined processing elements
Patent #: 5046080
Issued on: 09/03/1991
Inventor: Lee, et al.
Secure video communications system
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Issued on: 10/08/1991
Inventor: Smith
Telecommunications system and method
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Issued on: 10/29/1991
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Multiple clock rate teleconferencing network
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Issued on: 12/10/1991
Inventor: Todd
Videophone
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Issued on: 01/07/1992
Inventor: Filo
Teleconferencing with bridge partitioning and other features
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Issued on: 03/24/1992
Inventor: Blinken, Jr., et al.
Conference connection method in a multicast packet switching network
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Issued on: 04/07/1992
Inventor: Leung, et al.
Authoring and use systems for sound synchronized animation
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Issued on: 05/05/1992
Inventor: Gasper, et al.
Distributed control teleconferencing voice bridge
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Issued on: 05/12/1992
Inventor: Horn
Multiple call control method in a multimedia conferencing system
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Issued on: 03/16/1993
Inventor: Baumgartner, et al.
Wide band communication system transmitting video and audio signals among a plurality of users Patent #: 5200989
Issued on: 04/06/1993
Inventor: Milone