Secure video communications system
Patent 5056136 Issued on October 8, 1991. Estimated Expiration Date: 
March 9, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 9, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesWorkstation for interfacing with a video conferencing network Video conferencing network Video/audio information transmission system Video-telephone communications system Dual-mode teleconferencing system Cyclic video region transmission for videoconferencing systems Patent #: 4935953 InventorAssigneeApplicationNo. 490892 filed on 03/09/1990US Classes:380/211, Interactive TV348/14.03, User interface (e.g., touch screen menu)370/260, Conferencing379/202.01, Conferencing380/242, Having command signal for receiver380/261Including frame synchronizationExaminersPrimary: Tarcza, Thomas H.Assistant: Cain, David Attorney, Agent or FirmInternational ClassH04N 007/167AbstractA secure video communications system having at least one command network formed by a combination of subsystems. The combination of subsystems to include a video subsystem, an audio subsystem, a communications subsystem, and a control subsystem. The video communications system to be window driven and mouse operated, and having the ability to allow for secure point-to-point real-time teleconferencing. | |
