US5796828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlled-access broadcast signal receiving system
Assignee: Sony Corp
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Filing: 1995-07-07
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Granted: 1998-08-18
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Expires: 2015-07-07
Abstract
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.
Inventors
- 👤 Junichi Tsukamoto
- 👤 Koichi Goto
- 👤 Shinichi Fukushima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:28
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/79; H04N9/80; H04N9/804; H04N9/8042; G; G11; G11B; G11B20/00; G11B20/00086; G11B20/0021; G11B20/00217; G11B20/00224; G11B20/00246; G11B20/00478; G11B20/00731; G11B20/00746; H04N21/00; H04N21/20; H04N21/25; H04N21/254; H04N21/2543; H04N21/40; H04N21/43; H04N21/433; H04N21/4334; H04N21/44; H04N21/4405; H04N21/4408; H04N21/47; H04N21/472; H04N21/47202; H04N21/80; H04N21/83; H04N21/835; H04N21/8355; H04N5/00; H04N5/76; H04N5/91; H04N5/913; H04N7/00; H04N7/16; H04N7/162; H04N7/163; H04N7/167; H04N7/1675; H04N2005/91307; H04N2005/91321; H04N2005/91328; H04N2005/91357; H04N2005/91364; H04N9/82; H04N9/8205
Claims Analysis
Total Claims: 47
Claim 1
Independent Claim
119 words
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.
Claim 2
Dependent Claim
119 words
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.
Claim 3
Dependent Claim
14 words
Apparatus according to claim 1 wherein said data signals are digital video data signals.
Claim 4
Dependent Claim
21 words
Apparatus according to claim 1 wherein said receiving means receives said data signals and said access-control signal from a broadcasting station.
Claim 5
Dependent Claim
17 words
Apparatus according to claim 1 wherein said receiving means further comprises a tuner for receiving broadcast signals.
Claim 6
Dependent Claim
18 words
Apparatus according to claim 4 wherein said receiving means further comprises a modem for receiving said access-control signal.
Claim 7
Dependent Claim
18 words
Apparatus according to claim 1 wherein said receiving means further comprises a modem for receiving said access-control signal.
Claim 8
Dependent Claim
22 words
Apparatus according to claim 1 wherein said receiving means further comprises a user interface for receiving said access-control signal from a user.
Claim 9
Dependent Claim
12 words
Apparatus according to claim 1 wherein said processing means comprises a descrambler.
Claim 10
Dependent Claim
23 words
Apparatus according to claim 1 wherein said processing means comprises a descrambler and an encipherer and wherein said reprocessing means comprises a decipherer.
Claim 11
Dependent Claim
20 words
Apparatus according to claim 1 wherein said processing means comprises an encipherer and wherein said reprocessing means comprises a decipherer.
Claim 12
Dependent Claim
27 words
Apparatus according to claim 1 wherein said processed data signals are stored on a record medium and said access-control signal is stored in a separate storage medium.
Claim 13
Dependent Claim
13 words
Apparatus according to claim 11 wherein said record medium is a video tape.
Claim 14
Dependent Claim
15 words
Apparatus according to claim 11 wherein said separate storage medium is an integrated circuit memory.
Claim 15
Dependent Claim
22 words
Apparatus according to claim 1 wherein said processed data signals and said access-control signal both are stored on a common record medium.
Claim 16
Dependent Claim
49 words
Apparatus according to claim 1 further comprising a clock, coupled to said receiving means and to said control means, for supplying a clock signal to said control means; wherein said data signals include a clock reference signal; and wherein said clock signal is synchronized with said clock reference signal.
Claim 17
Dependent Claim
20 words
Apparatus according to claim 1 further comprising a decoder, coupled to said reprocessing means, for decoding said reprocessed data signals.
Claim 18
Dependent Claim
76 words
Apparatus for receiving and recording 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; and storage means for storing said processed data signals and said access-control signal.
Claim 19
Dependent Claim
76 words
Apparatus for receiving and recording 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; and storage means for storing said processed data signals and said access-control signal.
Claim 20
Dependent Claim
12 words
Apparatus according to claim 17 wherein said processing means comprises a descrambler.
Claim 21
Dependent Claim
13 words
Apparatus according to claim 18 wherein said processing means further comprises an encipherer.
Claim 22
Dependent Claim
12 words
Apparatus according to claim 17 wherein said processing means comprises an encipherer.
Claim 23
Dependent Claim
13 words
Apparatus according to claim 17 wherein said storage means comprises a storage cassette.
Claim 24
Dependent Claim
33 words
Apparatus according to claim 21 wherein said storage cassette contains a record medium on which said processed data signals are recorded and an integrated circuit memory in which said access-control signal is stored.
Claim 25
Dependent Claim
68 words
Apparatus for reproducing processed data signals, comprising: 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.
Claim 26
Dependent Claim
68 words
Apparatus for reproducing processed data signals, comprising: 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.
Claim 27
Dependent Claim
12 words
Apparatus according to claim 23 wherein said reprocessing means comprises a descrambler.
Claim 28
Dependent Claim
12 words
Apparatus according to claim 23 wherein said reprocessing means comprises a decipherer.
Claim 29
Dependent Claim
20 words
Apparatus according to claim 23 wherein said processed data signals and said access-control signals are stored in a storage cassette.
Claim 30
Independent Claim
118 words
A method for transferring from a broadcaster to a receiver a limited reproduction right in data, comprising the steps of: 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.
Claim 31
Independent Claim
118 words
A method for transferring from a broadcaster to a receiver a limited reproduction right in data, comprising the steps of: 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.
Claim 32
Dependent Claim
20 words
The method, according to claim 27, wherein said limited reproduction right is the right to reproduce said data N times.
Claim 33
Dependent Claim
21 words
The method, according to claim 27, wherein said limited reproduction right is the right to reproduce said data until date Y.
Claim 34
Dependent Claim
21 words
The method, according to claim 27, wherein said limited reproduction right is the right to reproduce said data until time T.
Claim 35
Dependent Claim
25 words
The method, according to claim 27, wherein said data is transmitted in scrambled form and said step of processing said data comprises descrambling said data.
Claim 36
Dependent Claim
32 words
The method, according to claim 31, wherein said step of processing said data further comprises enciphering said data; and wherein said step of reprocessing said reproduced data comprises deciphering said reproduced data.
Claim 37
Dependent Claim
31 words
The method, according to claim 27, wherein said step of processing said data comprises enciphering said data; and wherein said step of reprocessing said reproduced data comprises deciphering said reproduced data.
Claim 38
Dependent Claim
29 words
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.
Claim 39
Dependent Claim
20 words
The method, according to claim 27, wherein said processed data and said access-control signal are stored on a storage cassette.
Claim 40
Independent Claim
72 words
A method for transferring from a broadcaster to a receiver a limited reproduction right in prerecorded data, comprising the steps of: 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.
Claim 41
Independent Claim
72 words
A method for transferring from a broadcaster to a receiver a limited reproduction right in prerecorded data, comprising the steps of: 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.
Claim 42
Dependent Claim
19 words
The method, according to claim 36, wherein said step of processing said reproduced data comprises deciphering said reproduced data.
Claim 43
Dependent Claim
19 words
The method, according to claim 36, wherein said step of processing said reproduced data comprises descrambling said reproduced data.
Claim 44
Independent Claim
62 words
A method for reproducing prerecorded data comprising the steps of: 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.
Claim 45
Independent Claim
62 words
A method for reproducing prerecorded data comprising the steps of: 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.
Claim 46
Independent Claim
57 words
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: 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.
Claim 47
Independent Claim
57 words
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: 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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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-08-17 | 2002-02-16 | 2002-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-08-17 | 2006-02-16 | 2006-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-08-17 | 2010-02-16 | 2010-08-18 | $7700.00 | Window Closed / Lapsed |