Interactive video distribution systems – Satellite video distribution system – Receiver
Reexamination Certificate
2005-09-13
2005-09-13
Miller, John (Department: 2614)
Interactive video distribution systems
Satellite video distribution system
Receiver
C725S063000, C725S064000, C725S068000, C725S069000, C725S070000, C455S427000, C455S012100, C455S013300
Reexamination Certificate
active
06944878
ABSTRACT:
A method and apparatus for ensuring a correct satellite signal connection. Specifically, a user selects a satellite signal via an integrated receiver/decoder (IRD) from at least one satellite, and the IRD sends a command signal to a selector switch to acquire and lock onto said satellite signal. The IRD repeats transmission of the command signal to the selector switch once the IRD has acquired and locked onto said information signal. Thus, in the event that the selector switch failed to switch to a low noise block converter (LNB) corresponding to the initial command signal, then the repeated command signal helps to ensure that the selector switch switches to the LNB corresponding with the latest command signal sent by the IRD.
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Barry Michael F.
Lockridge Terry Wayne
Wetzel Daniel Thomas
Cromarty Brian J.
Manning John
Miller John
Shedd Robert D.
Thomson Licensing S.A.
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