Receiver device for star pattern partial encryption
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United States of America Patent
Stats
-
Dec 29, 2009
Grant Date -
Nov 22, 2007
app pub date -
Mar 5, 2007
filing date -
Jan 2, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A television signal receiver device consistent with certain embodiments has a receiver that receives a digital television signal including a plurality of unencrypted packets, and a plurality of encrypted packets, wherein the encrypted packets are of at least one selected packet type. The at least one selected packet type has packets occurring in a star pattern approximately situated at an upper center of an image. A decrypter decrypts the encrypted packets. A decoder decodes the unencrypted packets and the decrypted packets to produce a signal suitable for play on a television set. This abstract should not be considered limiting since embodiments consistent with the present invention may involve more, different or fewer elements.
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Family
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Cited Art Landscape
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