Control of enhanced application features via a conditional access system

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United States of America Patent

PATENT NO 8205243
APP PUB NO 20070143854A1
SERIAL NO

11275183

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Abstract

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A service provider provides conditional access to data that is decrypted by authorized set-top boxes (DHCTs). The encrypted programs include encrypted enhanced programs by adding a field to entitlement management messages and corresponding entitlement control messages.

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Patent Owner(s)

  • CISCO TECHNOLOGY, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wasilewski, Anthony J Alpharetta, US 58 6316

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