BROADCAST TRANSMITTER, A BROADCAST TRANSMITTING METHOD AND A BROADCAST RECEIVING METHOD
First Claim
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1. A broadcast transmitter comprising:
- a viewer information memory configured to store viewer information regarding a viewer who signs up for a subscription;
a generator configured to generate individual information regarding a conditional access to a content for each the viewer who signs up for the subscription based on the viewer information, the individual information comprising a first expiration date indicating an expiration date of the individual information and a second expiration date set independently of the first expiration date; and
a transmitter configured to transmit a broadcast signal including the generated individual information.
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Abstract
In one embodiment, a broadcast transmitter includes: a viewer information memory configured to store viewer information regarding a viewer who signs up for a subscription; a generator configured to generate individual information regarding a conditional access of a content including a first expiration time indicating an expiration time of the individual information and a second expiration time set independently of the first expiration time for each the viewer who signs up for the subscription based on the viewer information; and a transmitter configured to transmit a broadcast signal including the generated individual information.
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Citations
9 Claims
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1. A broadcast transmitter comprising:
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a viewer information memory configured to store viewer information regarding a viewer who signs up for a subscription; a generator configured to generate individual information regarding a conditional access to a content for each the viewer who signs up for the subscription based on the viewer information, the individual information comprising a first expiration date indicating an expiration date of the individual information and a second expiration date set independently of the first expiration date; and a transmitter configured to transmit a broadcast signal including the generated individual information. - View Dependent Claims (2, 3, 4)
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5. A broadcast transmitting method comprising:
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generating, by a generator, based on viewer information regarding a viewer who signs up for a subscription stored in a memory, individual information regarding a conditional access to a content including a first expiration date indicating an expiration date of the individual information and a second expiration time set independently of the first expiration time for each the viewer who signs up for the subscription; and transmitting, by a transmitter, a broadcast signal including the generated individual information.
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6. A broadcast receiving method comprising:
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reading, using a determination module, a first expiration time indicating an expiration time of individual information and a second expiration time set independently of the first expiration time included in the individual information addressed to an apparatus including the determination module regarding a conditional access of a content stored in an individual information memory, the individual information being obtained by demultiplexing a received signal; comparing, by the determination module, the first expiration time, the second expiration time, and a current time; determining, by the determination module, whether a content can be viewed based on the comparison result; and displaying, using a display, a message indicating whether the content can be viewed based on the determination result. - View Dependent Claims (7, 8, 9)
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Specification