Method and apparatus providing scalability for channel...

Details Method and apparatus providing scalability for channel... Method and apparatus providing scalability for channel...

2007-03-12

2010-12-07

Hirl, Joseph P (Department: 2426)

Interactive video distribution systems

Video distribution system with upstream communication

Transmission network

C725S139000, C725S117000, C725S038000, C725S091000, C725S093000, C725S100000, C725S103000, C725S105000, C725S111000, C725S114000, C725S116000, C725S121000, C725S131000, C725S135000, C725S140000, C725S143000, C725S144000, C725S151000, C348S086000, C348S086000

Reexamination Certificate

active

07849490

ABSTRACT:
A method, apparatus and computer program product for providing scalability for channel change requests in a Switched Digital Video system is presented. A request for a channel change is received. A determination is made regarding whether a channel requested by the request for a channel change is currently being provided to the settop box. When the channel requested by the request for a channel change is being provided to the settop box then the request for a channel change is buffered for transmission at a later time. When the channel requested by the request for a channel change is not being provided to the settop box then the request for a channel change is immediately sent to an SDV server in communication with the settop box.

REFERENCES:
patent: 6728965 (2004-04-01), Mao
patent: 2005/0289623 (2005-12-01), Midani et al.
patent: 2006/0135136 (2006-06-01), Kim et al.
patent: 2007/0173993 (2007-07-01), Nielsen et al.
patent: 2008/0056128 (2008-03-01), Joyce et al.

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