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公开(公告)号：US07139398B2
公开(公告)日：2006-11-21
申请号：US10038032
申请日：2002-01-02
IPC分类号： H04N7/167
CPC分类号： H04N7/162 , H04N7/167 , H04N7/1675 , H04N21/23476 , H04N21/235 , H04N21/23608 , H04N21/2362 , H04N21/2365 , H04N21/23897 , H04N21/25875 , H04N21/26606 , H04N21/4181 , H04N21/42615 , H04N21/4344 , H04N21/4345 , H04N21/4347 , H04N21/435 , H04N21/43607 , H04N21/43853 , H04N21/43856 , H04N21/44055 , H04N21/4516 , H04N21/454 , H04N21/4623 , H04N21/835
摘要： An encryption arrangement for multiple encryption of television programs. A system according to embodiments of the present invention multiple encrypts only a portion of the data required for full presentation of a television program to permit coexistence of multiple conditional access encryption systems associated with multiple manufacturer's set-top boxes within a single system. In one embodiment, a time slicing technique is used to encrypt portions of a program on a time allocated basis. By only encrypting a portion of the program, dramatically less bandwidth is consumed than the alternative of multiple encryption of all program data, thus permitting a larger number of programs to be carried over the same bandwidth while permitting coexistence of multiple conditional access systems in a single cable television system.
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公开(公告)号：US20110311045A1
公开(公告)日：2011-12-22
申请号：US13219192
申请日：2011-08-26
IPC分类号： H04N7/167
CPC分类号： H04N21/4385 , H04N7/1675 , H04N21/23476 , H04N21/23608 , H04N21/2362 , H04N21/23895 , H04N21/434 , H04N21/4344 , H04N21/4345 , H04N21/44055
摘要： A partial multiple encryption device consistent with certain embodiments has an input adapted to receive a unencrypted video signal. An encryption arrangement produces a partially multiple encrypted video signal from the unencrypted video signal. An output is adapted to provide the partially multiple encrypted video signal. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.
摘要翻译： 与某些实施例一致的部分多重加密设备具有适于接收未加密的视频信号的输入。 加密装置从未加密的视频信号产生部分多个加密的视频信号。 输出适于提供部分多个加密的视频信号。 该摘要不被认为是限制性的，因为其他实施例可能偏离本摘要中描述的特征。
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公开(公告)号：US07848520B2
公开(公告)日：2010-12-07
申请号：US12228180
申请日：2008-08-11
IPC分类号： H04N7/167
CPC分类号： H04N7/162 , H04N7/167 , H04N7/1675 , H04N21/23476 , H04N21/235 , H04N21/23608 , H04N21/2362 , H04N21/2365 , H04N21/23897 , H04N21/25875 , H04N21/26606 , H04N21/4181 , H04N21/42615 , H04N21/4344 , H04N21/4345 , H04N21/4347 , H04N21/435 , H04N21/43607 , H04N21/43853 , H04N21/43856 , H04N21/44055 , H04N21/4516 , H04N21/454 , H04N21/4623 , H04N21/835
摘要： An electronic storage device has a segment of digital video content recorded thereon as a data structure with a first set of data packets encrypted under a first encryption process and a second set of data packets encrypted under a second encryption process. The first set of video data packets and the second set of video data packets, when unencrypted, represent duplicate copies of the same video information. A third set of data packets contains unencrypted video data that is contextually contiguous to the first set of data packets and the second set of data packets. The first and third set of data packets represents all video content in the segment of digital video content as does the second and third set of data packets.
摘要翻译： 电子存储装置具有记录在其上的作为数据结构的一段数字视频内容，其中第一组数据分组在第一加密处理和第二加密处理下加密的第二组数据分组被加密。 第一组视频数据包和第二组视频数据包在未加密时表示相同视频信息的重复副本。 第三组数据包包含与第一组数据包和第二组数据包相连的未加密的视频数据。 第一和第三组数据分组表示数字视频内容段中的所有视频内容，与第二和第三组数据分组一样。
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公开(公告)号：US07751560B2
公开(公告)日：2010-07-06
申请号：US11474550
申请日：2006-06-26
IPC分类号： H04N7/167
CPC分类号： H04N7/162 , H04N7/167 , H04N7/1675 , H04N21/23476 , H04N21/235 , H04N21/23608 , H04N21/2362 , H04N21/2365 , H04N21/23897 , H04N21/25875 , H04N21/26606 , H04N21/4181 , H04N21/42615 , H04N21/4344 , H04N21/4345 , H04N21/4347 , H04N21/435 , H04N21/43607 , H04N21/43853 , H04N21/43856 , H04N21/44055 , H04N21/4516 , H04N21/454 , H04N21/4623 , H04N21/835
摘要： A method of processing digital content consistent with certain embodiments involves receiving a signal containing the digital content, wherein the digital content has a first encrypted sample of the digital content, the sample being encrypted under a first encryption method, a second encrypted sample of the digital content, the sample being encrypted under a second encryption method, and an unencrypted portion; and decrypting the first encrypted sample to produce a decrypted sample. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.
摘要翻译： 一种处理与某些实施例一致的数字内容的方法涉及接收包含数字内容的信号，其中数字内容具有数字内容的第一加密样本，样本以第一加密方法加密，第二加密样本为数字内容 内容，以第二加密方式加密的样本和未加密部分; 以及解密所述第一加密样本以产生解密的样本。 该摘要不被认为是限制性的，因为其他实施例可能偏离本摘要中描述的特征。
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公开(公告)号：US07319753B2
公开(公告)日：2008-01-15
申请号：US11282139
申请日：2005-11-18
IPC分类号： H04N7/167
CPC分类号： H04N7/162 , H04N7/167 , H04N7/1675 , H04N21/23476 , H04N21/235 , H04N21/23608 , H04N21/2362 , H04N21/2365 , H04N21/23897 , H04N21/25875 , H04N21/26606 , H04N21/4181 , H04N21/42615 , H04N21/4344 , H04N21/4345 , H04N21/4347 , H04N21/435 , H04N21/43607 , H04N21/43853 , H04N21/43856 , H04N21/44055 , H04N21/4516 , H04N21/454 , H04N21/4623 , H04N21/835
摘要： A method of selecting data for multiple carriage partial encryption consistent with certain embodiments involves examining unencrypted packets of data in a digital audio/video data stream to identify a packet type; and selecting packets of the identified packet type for multiple partial encryption, wherein the amount of data to be encrypted is sufficient to render a portion of an entire frame unviewable. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.
摘要翻译： 选择与特定实施例一致的多车厢部分加密的数据的方法涉及检查数字音频/视频数据流中未加密的数据分组以识别分组类型; 以及选择用于多个部分加密的所识别的分组类型的分组，其中要加密的数据量足以使整个帧的一部分不可见。 该摘要不被认为是限制性的，因为其他实施例可能偏离本摘要中描述的特征。
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公开(公告)号：US07151831B2
公开(公告)日：2006-12-19
申请号：US10037499
申请日：2002-01-02
IPC分类号： H04N7/167
CPC分类号： H04N7/162 , H04N7/167 , H04N7/1675 , H04N21/23476 , H04N21/235 , H04N21/23608 , H04N21/2362 , H04N21/2365 , H04N21/23897 , H04N21/25875 , H04N21/26606 , H04N21/4181 , H04N21/42615 , H04N21/4344 , H04N21/4345 , H04N21/4347 , H04N21/435 , H04N21/43607 , H04N21/43853 , H04N21/43856 , H04N21/44055 , H04N21/4516 , H04N21/454 , H04N21/4623 , H04N21/835
摘要： An encryption arrangement for multiple encryption of television programs. A system according to embodiments of the present invention multiple encrypts only a portion of the data required for full presentation of a television program to permit coexistence of multiple conditional access encryption systems associated with multiple manufacturer's set-top boxes within a single system. PID mapping techniques are used to distinguish between multiple encryptions. By only encrypting a portion of the program, dramatically less bandwidth is consumed than the alternative of multiple encryption of all program data, thus permitting a larger number of programs to be carried over the same bandwidth while permitting coexistence of multiple conditional access systems in a single cable television system.
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公开(公告)号：US07124303B2
公开(公告)日：2006-10-17
申请号：US10037914
申请日：2002-01-02
申请人： Brant L. Candelore , Robert Allan Unger , Leo M. Pedlow, Jr. , Gregory Mirsky , Mark Kenneth Eyer
发明人： Brant L. Candelore , Robert Allan Unger , Leo M. Pedlow, Jr. , Gregory Mirsky , Mark Kenneth Eyer
CPC分类号： H04N7/162 , H04N7/167 , H04N7/1675 , H04N21/23476 , H04N21/235 , H04N21/23608 , H04N21/2362 , H04N21/2365 , H04N21/23897 , H04N21/25875 , H04N21/26606 , H04N21/4181 , H04N21/42615 , H04N21/4344 , H04N21/4345 , H04N21/4347 , H04N21/435 , H04N21/43607 , H04N21/43853 , H04N21/43856 , H04N21/44055 , H04N21/4516 , H04N21/454 , H04N21/4623 , H04N21/835
摘要： An encryption arrangement for multiple encryption of television programs. A system according to embodiments of the present invention multiple encrypts only a portion of the data required for full presentation of a television program to permit coexistence of multiple conditional access encryption systems associated with multiple manufacturer's set-top boxes within a single system. In one embodiment, only audio data are encrypted leaving video in the clear. By only encrypting a portion of the program, dramatically less bandwidth is consumed than the alternative of multiple encryption of all program data, thus permitting a larger number of programs to be carried over the same bandwidth while permitting coexistence of multiple conditional access systems in a single cable television system.
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公开(公告)号：US08411857B2
公开(公告)日：2013-04-02
申请号：US13219192
申请日：2011-08-26
CPC分类号： H04N21/4385 , H04N7/1675 , H04N21/23476 , H04N21/23608 , H04N21/2362 , H04N21/23895 , H04N21/434 , H04N21/4344 , H04N21/4345 , H04N21/44055
摘要： A partial multiple encryption device consistent with certain embodiments has an input adapted to receive a unencrypted video signal. An encryption arrangement produces a partially multiple encrypted video signal from the unencrypted video signal. An output is adapted to provide the partially multiple encrypted video signal. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.
摘要翻译： 与某些实施例一致的部分多重加密设备具有适于接收未加密的视频信号的输入。 加密装置从未加密的视频信号产生部分多个加密的视频信号。 输出适于提供部分多个加密的视频信号。 该摘要不被认为是限制性的，因为其他实施例可能偏离本摘要中描述的特征。
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公开(公告)号：US08036381B2
公开(公告)日：2011-10-11
申请号：US12660008
申请日：2010-02-18
CPC分类号： H04N7/162 , H04N7/167 , H04N7/1675 , H04N21/23476 , H04N21/235 , H04N21/23608 , H04N21/2362 , H04N21/2365 , H04N21/23897 , H04N21/25875 , H04N21/26606 , H04N21/4181 , H04N21/42615 , H04N21/4344 , H04N21/4345 , H04N21/4347 , H04N21/435 , H04N21/43607 , H04N21/43853 , H04N21/43856 , H04N21/44055 , H04N21/4516 , H04N21/454 , H04N21/4623 , H04N21/835
摘要： A partial multiple encryption device consistent with certain embodiments has an input for receiving a unencrypted video signal. An encryption arrangement produces a partially multiple encrypted video signal from the unencrypted video signal. An output provides the partially multiple encrypted video signal. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.
摘要翻译： 符合某些实施例的部分多重加密装置具有用于接收未加密视频信号的输入。 加密装置从未加密的视频信号产生部分多个加密的视频信号。 输出提供部分多个加密的视频信号。 该摘要不被认为是限制性的，因为其他实施例可能偏离本摘要中描述的特征。
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公开(公告)号：US20100172497A1
公开(公告)日：2010-07-08
申请号：US12660008
申请日：2010-02-18
IPC分类号： H04N7/167
CPC分类号： H04N7/162 , H04N7/167 , H04N7/1675 , H04N21/23476 , H04N21/235 , H04N21/23608 , H04N21/2362 , H04N21/2365 , H04N21/23897 , H04N21/25875 , H04N21/26606 , H04N21/4181 , H04N21/42615 , H04N21/4344 , H04N21/4345 , H04N21/4347 , H04N21/435 , H04N21/43607 , H04N21/43853 , H04N21/43856 , H04N21/44055 , H04N21/4516 , H04N21/454 , H04N21/4623 , H04N21/835
摘要： A partial multiple encryption device consistent with certain embodiments has an input for receiving a unencrypted video signal. An encryption arrangement produces a partially multiple encrypted video signal from the unencrypted video signal. An output provides the partially multiple encrypted video signal. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.
摘要翻译： 符合某些实施例的部分多重加密装置具有用于接收未加密视频信号的输入。 加密装置从未加密的视频信号产生部分多个加密的视频信号。 输出提供部分多个加密的视频信号。 该摘要不被认为是限制性的，因为其他实施例可能偏离本摘要中描述的特征。
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