Television – Two-way video and voice communication – User positioning
Patent
1998-05-04
1999-09-28
Kuntz, Curtis A.
Television
Two-way video and voice communication
User positioning
348 14, 348 17, H04N 714
Patent
active
059596627
ABSTRACT:
A video conferencing system (10) for providing enhanced security to a conference room. A local video conferencing system (10) establishes a conference call with a remote video conferencing system. A security system within the local video conferencing system (10) monitors activity in the local video conferencing system's (10) conference room and disconnects the conference call if no activity is detected after a predetermined period of time. If activity is detected after a period of nonactivity, users of the local video conferencing system (10) are alerted that a call is in progress. The users are then given the option of continuing or disconnecting the call. In addition, the security system detects the presence of a black screen or no video signal from the remote video conferencing system and if detected, alerts the users that a call is in progress.
REFERENCES:
patent: 5654750 (1997-08-01), Weil et al.
patent: 5724525 (1998-03-01), Beyers, II et al.
patent: 5745161 (1998-04-01), Ito
Beyda William Joseph
Jacobi Eli
Mehta Vinesh R.
Shaffer Shmuel
Kuntz Curtis A.
Ramakrishnaiah Melur
Siemens Information and Communication Networks Inc.
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