Flexible multi-channel systems utilizing removable/portable subscription processing
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United States of America Patent
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Issued Date -
Mar 16, 2006
app pub date -
Aug 27, 2004
filing date -
Aug 27, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides a flexible multi-channel system comprising at least one receiver capable of providing simultaneous output of multiple channels, each requiring exchange of security information to identify and control its subscription level, from a single received signal source. Each receiver has a base circuit and a plurality of portable circuits adapted to detachably interface with the base circuit. The base circuit is defined within a base unit of the receiver, and each of portable circuits is defined within a portable device operably connectable to the base unit.
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