Controlled-access broadcast signal receiving system
First Claim
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1. Apparatus for receiving, recording, and reproducing data signals, comprising:
- receiving means for receiving said data signals and an access-control signal generated by a remote provider which grants users rights to reproduce said data signals;
processing means, coupled to said receiving means, for processing said data signals to produce processed data signals;
control means for controlling said processing means in response to said access-control signal;
storage means for storing said processed data signals and for storing said access-control signal;
means for reproducing said stored processed data signals to produce reproduced data signals and for retrieving said stored access-control signal; and
reprocessing means coupled to said control means for reprocessing said reproduced data signals in response to said retrieved access-control signal.
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Abstract
An apparatus and method for transferring from a broadcaster to a receiver a limited reproduction right in data. A signal indicating the limited reproduction right is transmitted by the broadcaster and stored by the receiver with the data. The receiver reproduces and processes the data as a function of this signal.
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Citations
88 Claims
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1. Apparatus for receiving, recording, and reproducing data signals, comprising:
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receiving means for receiving said data signals and an access-control signal generated by a remote provider which grants users rights to reproduce said data signals;
processing means, coupled to said receiving means, for processing said data signals to produce processed data signals;
control means for controlling said processing means in response to said access-control signal;
storage means for storing said processed data signals and for storing said access-control signal;
means for reproducing said stored processed data signals to produce reproduced data signals and for retrieving said stored access-control signal; and
reprocessing means coupled to said control means for reprocessing said reproduced data signals in response to said retrieved access-control signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
wherein said data signals include a clock reference signal; and
wherein said clock signal is synchronized with said clock reference signal.
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16. Apparatus according to claim 1 further comprising a decoder, coupled to said reprocessing means, for decoding said reprocessed data signals.
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17. Apparatus for receiving and recording data signals, comprising:
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receiving means for receiving said data signals and an access-control signal generated by a remote provider which grants users rights to reproduce said data signals;
processing means, coupled to said receiving means, for processing said data signals to produce processed data signals;
control means for controlling said processing means in response to said access-control signal; and
storage means for storing said processed data signals and said access-control signal. - View Dependent Claims (18, 19, 20, 21, 22)
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23. Apparatus for reproducing processed data signals, comprising:
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means for reproducing stored processed data signals to produce reproduced data signals and for retrieving a stored access-control signal generated by a remote provider which grants users rights to reproduce said data signals;
reprocessing means for reprocessing said reproduced data signals to produce reprocessed data signals; and
control means for controlling said reprocessing means in response to said retrieved access-control signal. - View Dependent Claims (24, 25, 26)
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27. A method for transferring from a broadcaster to a receiver a limited reproduction right in data, comprising the steps of:
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transmitting from said broadcaster to said receiver an access-control signal generated by a remote provider and said data, said access-control signal indicating said limited reproduction right;
receiving, at said receiver, said access-control signal and said data;
processing, at said receiver, said data in response to said access-control signal to produce processed data;
storing, at said receiver, said processed data and said access-control signal;
retrieving, at said receiver, said stored access-control signal;
reproducing, at said receiver, said stored processed data to produce reproduced data; and
reprocessing, at said receiver, said reproduced data in response to said retrieved access-control signal. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35)
wherein said step of reprocessing said reproduced data comprises deciphering said reproduced data.
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33. The method, according to claim 27, wherein said step of processing said data comprises enciphering said data;
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wherein said step of reprocessing said reproduced data comprises deciphering said reproduced data.
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34. The method, according to claim 27, wherein said data is transmitted and stored in scrambled form, and said step of reprocessing said reproduced data comprises descrambling said reproduced data.
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35. The method, according to claim 27, wherein said processed data and said access-control signal are stored on a storage cassette.
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36. A method for transferring from a broadcaster to a receiver a limited reproduction right in prerecorded data, comprising the steps of:
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transmitting from said broadcaster to said receiver an access-control signal generated by a remote provider, said access-control signal indicating said limited reproduction right;
receiving, at said receiver, said access-control signal;
reproducing, at said receiver, said prerecorded data; and
processing, at said receiver, said reproduced data in response to said access-control signal. - View Dependent Claims (37, 38)
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39. A method for reproducing prerecorded data comprising the steps of:
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reproducing an access-control signal generated by a remote provider which grants users rights to reproduce said data signals from a first storage medium;
reproducing processed data from a second storage medium in response to said access-control signal to produce reproduced data; and
reprocessing said reproduced data in response to said access-control signal.
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40. A method for erasing prerecorded data stored on a record medium in response to an access-control signal stored in a separate memory, comprising the steps of:
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retrieving said access-control signal from said separate memory;
determining that said access-control signal is an ERASE signal; and
erasing data stored on said record medium in response to said ERASE signal.
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- 41. An apparatus for receiving one or more encrypted data signals to be recorded on a recording medium, comprising:
- 46. A method for receiving one or more encrypted data signals to be recorded on a recording medium, comprising the steps of:
- 51. A method for controlling reproduction of data signals stored on a recording medium, comprising the steps of:
- 56. A method for controlling reproduction of data signals stored on a recording medium, comprising the steps of:
- 61. A method for transferring and receiving data signals, comprising the steps of:
- 65. A method, for transferring and receiving data signals, comprising the steps of:
- 69. A method for controlling reproduction of data signals stored on a recording medium, comprising the steps of:
- 71. A method for transferring data signals, comprising the steps of:
- 74. A method for receiving data signals comprising the steps of:
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79. A method for controlling the reproduction of data signals, comprising the steps of:
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80. A method of controlling the use of data signals, comprising the steps of:
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81. A method of controlling the reproduction of data signals, comprising the steps of:
- 82. A method of controlling access to data signals, comprising the steps of:
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86. A method of erasing stored data signals, comprising the steps of:
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87. A method of controlling the reproduction of data signals, comprising the steps of:
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88. A method for controlling access to data signals stored in an encrypted form, comprising the steps of:
Specification