Transmitting and processing protected content
First Claim
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1. A method of transmitting data, comprising transmitting conditional access information and content management information independently.
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Accused Products
Abstract
Disclosed herein is method of transmitting data, comprising transmitting conditional access information and content management information independently.
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Citations
122 Claims
- 1. A method of transmitting data, comprising transmitting conditional access information and content management information independently.
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11. A method of receiving data, comprising receiving conditional access information, receiving content management information, and combining the received conditional access information and content management information into a combined data unit.
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26. A method of validating a request to use content, comprising receiving a request to use the content, receiving a combined data unit comprising conditional access information and content management information, extracting the conditional access information and content management information from the combined data unit, and validating the request in dependence on the conditional access information and the content management information.
- 34. Apparatus for transmitting data, comprising means for transmitting conditional access information and content management information independently.
- 42. Apparatus for receiving data, comprising means for receiving conditional access information, means for receiving content management information, and means for combining the received conditional access information and content management information into a combined data unit.
- 61. Apparatus for validating a request to use content, comprising means for receiving a request to use content, means for receiving a combined data unit comprising conditional access information and content management information, means for extracting the conditional access information and content management information from the combined data unit, and means for validating the request in dependence on the conditional access information and the content management information.
- 68. Apparatus for transmitting data, comprising an emitter and an associated processor adapted to transmit conditional access information and content management information independently.
- 76. Apparatus for receiving data, comprising a receiver adapted to receive conditional access information and content management information, and a processor adapted to combine the received conditional access information and content management information into a combined data unit.
- 95. Apparatus for validating a request to use content, comprising a receiver adapted to receive a request to use the content and to receive a combined data unit comprising conditional access information and content management information, a processor adapted to extract the conditional access information and content management information from the combined data unit, and to validate the request in dependence on the conditional access information and the content management information.
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105. A packet comprising an Entitlement Management Message containing an identifier enabling it to be directed to a content management system.
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106. A packet consisting of content management information, preferably in addition to addressing information.
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107. A packet comprising content management information, conditional access information and entitlement management information.
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108. A storage medium having stored thereon conditional access information and content management information as a combined data unit.
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109. A combined data unit comprising conditional access information and content management information.
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119. Apparatus substantially as described herein with reference to and as illustrated in the accompanying drawings.
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120. A receiver/decoder substantially as described herein with reference to and as illustrated in FIGS. 4 to 6 of the accompanying drawings.
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121. A broadcast system substantially as described herein with reference to and as illustrated in FIG. 1 of the accompanying drawings.
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122. A method substantially as described herein with reference to FIGS. 14 to 34 of the accompanying drawings.
Specification