Interactive video distribution systems – Video distribution system with upstream communication – Remote testing of cable system
Reexamination Certificate
2007-10-31
2009-08-25
Sheleheda, James (Department: 2424)
Interactive video distribution systems
Video distribution system with upstream communication
Remote testing of cable system
C725S132000, C714S027000, C714S047300, C702S188000
Reexamination Certificate
active
07581240
ABSTRACT:
An open cable set-top box diagnosing system in which a point of deployment (POD), separated from a main circuit unit, having a newly defined interface is used to check an operation state of an open cable set-top box, transmits the checked state to a predetermined server, according to which the operation state of the open cable set-top box is diagnosed. The open cable set-top box diagnosing system includes an open cable set-top box for checking its own operation state by using a diagnosis resource by a communication protocol between a point of deployment (POD) separated from the main circuit unit and the main circuit, and a head end for providing a service corresponding to a request signal received from the open cable set-top box or providing a broadcast program to the open cable set-top box, and checking the operation state of the open cable set-top box.
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Birch & Stewart Kolasch & Birch, LLP
LG Electronics Inc.
Sheleheda James
LandOfFree
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