Monitoring system of multimedia communication terminal

Details Monitoring system of multimedia communication terminal Monitoring system of multimedia communication terminal

1997-06-11

2000-06-13

Harvey, David E.

Television

Two-way video and voice communication

User positioning

348192, 3488451, H04N 700

Patent

active

060755520

ABSTRACT:
In order to provide a monitoring system of a multimedia communication terminal which can detect abnormal reproduction of multimedia data, reliably with a simple configuration together with a sufficient consideration of the user's interface, surely discriminating the scheduled interruption of the multimedia data delivery, the monitoring system of the invention comprises a decode counter (49), a count value of said decode counter being incremented each time when video data of a picture frame is decoded from multimedia data delivered through the transmission line (23) by a video decoder (48), and control means (41) for discriminating whether the multimedia data are supplied or not by detecting beginning and ending of reproduction of the multimedia data, and detecting occurrence of an abnormal state in the multimedia communication terminal (22) by checking alteration of said count value.

REFERENCES:
patent: 4205347 (1980-05-01), Minoura et al.
patent: 4737993 (1988-04-01), DeVilBiss
patent: 5559999 (1996-09-01), Maturi et al.

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