公开(公告)号：US20060020786A1

公开(公告)日：2006-01-26

申请号：US10894884

申请日：2004-07-20

申请人： William Helms ,  Michael Hayashi ,  Kevin Leddy ,  David Christman

发明人： William Helms ,  Michael Hayashi ,  Kevin Leddy ,  David Christman

IPC分类号： H04L9/00

CPC分类号： H04L63/0428 ,  H04L9/0822 ,  H04L9/0825 ,  H04L9/0894 ,  H04L63/045 ,  H04L2209/60 ,  H04N7/1675 ,  H04N21/2347 ,  H04N21/26613 ,  H04N21/4405 ,  H04N21/6334 ,  H04N21/63775

摘要： A “trusted domain” is established within which content received from a communications network, e.g., a cable TV network, is protected from unauthorized copying thereof, in accordance with the invention. In an illustrative embodiment, the trusted domain includes a device associated with a user which receives content from the cable TV network. The content may be encrypted using a content key in accordance, e.g., with a 3DES encryption algorithm before it is stored in the device. In addition, a first encrypted content key version and a second encrypted content key version are generated by respectively encrypting the content key with a public key associated with the device and another public key associated with the user, in accordance with public key cryptography. The first and second encrypted content key versions are stored in association with the encrypted content in the device storage. The encrypted content can be migrated from a first device to a second device, and can be decrypted in the second device if the second device is associated with the same user, and also provided with the second encrypted content key version.

摘要翻译： 建立根据本发明的“信任域”，在该信任域内，从诸如有线电视网络的通信网络接收的内容被保护以防止其未经授权的复制。 在说明性实施例中，可信域包括与从有线电视网络接收内容的用户相关联的设备。 可以使用内容密钥来加密内容，例如在3DES加密算法被存储在设备中之前。 此外，根据公开密钥加密，通过分别使用与设备相关联的公开密钥和与用户相关联的另一个公钥分别加密内容密钥来生成第一加密内容密钥版本和第二加密内容密钥版本。 第一和第二加密内容密钥版本与设备存储器中的加密内容相关联地存储。 可以将加密的内容从第一设备迁移到第二设备，并且如果第二设备与相同的用户相关联，并且还提供有第二加密内容密钥版本，则可以在第二设备中解密加密的内容。

公开(公告)号：US20060047957A1

公开(公告)日：2006-03-02

申请号：US11006404

申请日：2004-12-07

申请人： William Helms ,  John Carlucci ,  Michael Hayashi ,  James Fahrny

发明人： William Helms ,  John Carlucci ,  Michael Hayashi ,  James Fahrny

IPC分类号： H04L9/00

CPC分类号： H04N21/2541 ,  G06F21/10 ,  G06F2221/2137 ,  H04L9/0825 ,  H04L9/3263 ,  H04L2209/60 ,  H04N7/1675 ,  H04N7/17318 ,  H04N7/17354 ,  H04N21/2347 ,  H04N21/23473 ,  H04N21/25816 ,  H04N21/26613 ,  H04N21/4405 ,  H04N21/4627 ,  H04N21/6334 ,  H04N21/63775 ,  H04N21/6582 ,  H04N21/8355

摘要： A technique is provided for securely transferring programming content from a first device in a first layer, e.g., a trusted domain, to a second device in a second layer, e.g., outside the trusted domain. When a user requests that the first device transfer protected content to the second device, the first device needs to authenticate the second device. After the second device is authenticated, the first device may transfer to the second device the protected content, together with a rights file associated therewith. The rights file specifies the rights of the second device to use the protected content, according to its security level indicative of its security. These rights may concern, e.g., the number of times that the second device may subsequently transfer the protected content to other devices, the time period within which the second device may play the protected content, etc. The higher the security level of the second device is, the more rights accorded thereto. Indeed, the second device may need to meet a minimum security level requirement in order for it to receive or keep the protected content.

摘要翻译： 提供了一种技术，用于将编程内容从第一层（例如可信域）中的第一设备安全地传送到第二层（例如，在可信域外）的第二设备。 当用户请求第一设备将受保护的内容传送到第二设备时，第一设备需要认证第二设备。 在第二设备被认证之后，第一设备可以将受保护的内容连同与其相关联的权限文件传送到第二设备。 权限文件根据其安全级别指定第二个设备使用受保护内容的权限。 这些权利可能涉及，例如，第二设备可以随后将受保护内容传送到其他设备的次数，第二设备可以播放受保护内容的时间段等。第二设备的安全级别越高 是越多的权利。 实际上，第二设备可能需要满足最低安全级别要求才能接收或保留受保护的内容。

公开(公告)号：US20050125841A1

公开(公告)日：2005-06-09

申请号：US10983378

申请日：2004-11-08

申请人： William Helms ,  Michael Hayashi ,  Paul Brooks ,  Douglas Semon

发明人： William Helms ,  Michael Hayashi ,  Paul Brooks ,  Douglas Semon

IPC分类号： H04N7/18 ,  H04N7/173

CPC分类号： H04N21/4402 ,  H04N7/17336 ,  H04N21/2225 ,  H04N21/2343 ,  H04N21/2385 ,  H04N21/6118 ,  H04N21/6168

摘要： To effectively utilize the bandwidth of a cable TV network, which is limited, analog TV program material is digitized and compressed before its transmission over the network. The resulting signals consume only part of the analog TV band traditionally needed for transmission of the analog TV program material. The newly available bandwidth in the analog TV band may be utilized for other cable TV services, e.g., video-on-demand (VOD) services. A reception gateway is employed at a user location to frequency-translate any VOD signals, transmitted through the analog TV band, to another frequency band, thereby avoiding disturbing the normal operation of a set-top terminal in receiving the analog TV program material through the analog TV band at the user location.

摘要翻译： 为了有效利用有限电视网络的带宽，模拟电视节目素材在通过网络传输之前被数字化和压缩。 所产生的信号仅消耗传统上模拟电视节目素材传输所需的模拟电视频带的一部分。 模拟TV频带中的新可用带宽可以用于其他有线电视服务，例如视频点播（VOD）服务。 在用户位置采用接收网关，将通过模拟TV频带传输的任何VOD信号频率转换到另一个频带，从而避免在接收模拟电视节目素材时扰乱机顶终端的正常操作 模拟电视频段在用户位置。

公开(公告)号：US09473827B2

公开(公告)日：2016-10-18

申请号：US13493740

申请日：2012-06-11

申请人： Patrick Ladd ,  George W. Sarosi ,  William Helms

发明人： Patrick Ladd ,  George W. Sarosi ,  William Helms

IPC分类号： H04N21/81 ,  H04L29/06 ,  H04N21/443

CPC分类号： H04N21/818 ,  H04L63/10 ,  H04L63/168 ,  H04N21/4431

摘要： Apparatus and methods for improved software programming interface functionality in a network. In one exemplary embodiment, the network comprises an HFC cable network with CPE in which network-specific programming interfaces (e.g., APIs) may be downloaded to the CPE, registered, authenticated, stored and executed in a software protocol stack implementing OpenCable Application Platform (OCAP) or Multimedia Home Platform (MHP) standards. The host device software comprises a “manager” module that registers APIs identified by the OCAP Monitor Application, such that all applications launched thereafter on the device can use these communications APIs, provided they have the appropriate permission(s). This relieves individual applications from having to support details regarding network-specific protocols and APIs. In an alternate embodiment, class and data files associated with the API functionality are downloaded along with an application. The downloaded application registers the API using a modified version of the API using a description file (DF). The DF describes the class and data files provided with the application that are part of the registered API.

摘要翻译： 用于改进网络中的软件编程接口功能的装置和方法。 在一个示例性实施例中，网络包括具有CPE的HFC电缆网络，其中可以将网络特定编程接口（例如，API）下载到CPE，在实现OpenCable应用平台的软件协议栈中注册，认证，存储和执行 OCAP）或多媒体家庭平台（MHP）标准。 主机设备软件包括注册由OCAP监视器应用程序标识的API的“管理器”模块，使得其后在设备上启动的所有应用可以使用这些通信API，只要它们具有适当的许可。 这减轻了个别应用程序不必支持有关特定于网络的协议和API的细节。 在替代实施例中，与API功能相关联的类和数据文件与应用一起下载。 下载的应用程序使用API​​的修改版本使用描述文件（DF）注册API。 DF描述作为注册API一部分的应用程序提供的类和数据文件。

公开(公告)号：US09083513B2

公开(公告)日：2015-07-14

申请号：US13608969

申请日：2012-09-10

申请人： William Helms ,  Michael T. Hayashi ,  Kevin J. Leddy ,  David A. Christman

发明人： William Helms ,  Michael T. Hayashi ,  Kevin J. Leddy ,  David A. Christman

IPC分类号： H04L9/32 ,  H04N7/167 ,  H04L9/08 ,  H04N21/2347 ,  H04N21/266 ,  H04N21/4405 ,  H04N21/6334 ,  H04N21/6377

CPC分类号： H04L63/0428 ,  H04L9/0822 ,  H04L9/0825 ,  H04L9/0894 ,  H04L63/045 ,  H04L2209/60 ,  H04N7/1675 ,  H04N21/2347 ,  H04N21/26613 ,  H04N21/4405 ,  H04N21/6334 ,  H04N21/63775

摘要： A “trusted domain” is established within which content received from a communications network, e.g., a cable TV network, is protected from unauthorized copying thereof, in accordance with the invention. In an illustrative embodiment, the trusted domain includes a device associated with a user which receives content from the cable TV network. The content may be encrypted using a content key in accordance, e.g., with a 3DES encryption algorithm before it is stored in the device. In addition, a first encrypted content key version and a second encrypted content key version are generated by respectively encrypting the content key with a public key associated with the device and another public key associated with the user, in accordance with public key cryptography. The first and second encrypted content key versions are stored in association with the encrypted content in the device storage. The encrypted content can be migrated from a first device to a second device, and can be decrypted in the second device in the second device is associated with the same user, and also provided with the second encrypted content key version.

摘要翻译： 建立根据本发明的“信任域”，在该信任域内，从诸如有线电视网络的通信网络接收的内容被保护以防止其未经授权的复制。 在说明性实施例中，可信域包括与从有线电视网络接收内容的用户相关联的设备。 可以使用内容密钥来加密内容，例如在3DES加密算法被存储在设备中之前。 此外，根据公开密钥加密，通过分别使用与设备相关联的公开密钥和与用户相关联的另一个公钥分别加密内容密钥来生成第一加密内容密钥版本和第二加密内容密钥版本。 第一和第二加密内容密钥版本与设备存储器中的加密内容相关联地存储。 可以将加密内容从第一设备迁移到第二设备，并且可以在第二设备中的第二设备中解密，与第二设备相关联，并且还提供第二加密内容密钥版本。

公开(公告)号：US08553882B2

公开(公告)日：2013-10-08

申请号：US12060852

申请日：2008-04-01

申请人： Chris Cholas ,  George Sarosi ,  William Helms ,  Louis D. Williamson

发明人： Chris Cholas ,  George Sarosi ,  William Helms ,  Louis D. Williamson

IPC分类号： H04N7/167 ,  H04N5/91 ,  H04N7/16 ,  H04N7/173 ,  H04N7/12 ,  G06F15/16 ,  G06F12/14 ,  H04L12/56 ,  G06F15/173 ,  H04L12/28 ,  H04N7/10 ,  H04N21/41

CPC分类号： H04N21/64707 ,  H04L63/0464 ,  H04L69/08 ,  H04L2463/101 ,  H04N21/43615 ,  H04N21/43637 ,  H04N21/440218 ,  H04N21/4408

摘要： Methods and apparatus for connecting, e.g., bridging, a cable network to other networks and/or devices is described. A bridge device facilitates the distribution of cable provider content to end users operating IP based devices. The bridge device performs one of more of the following: interface protocol conversions, user device controlled tuner selection, transcoding of data, transrating of a data stream, decryption in accordance with a conditional access protocol and re-encryption in accordance with an authorized service domain protocol.

公开(公告)号：US08201191B2

公开(公告)日：2012-06-12

申请号：US10883374

申请日：2004-06-30

申请人： Patrick Ladd ,  George W. Sarosi ,  William Helms

发明人： Patrick Ladd ,  George W. Sarosi ,  William Helms

IPC分类号： G06F9/46 ,  G06F15/16 ,  G06F7/04 ,  H04N7/173

CPC分类号： H04N21/818 ,  H04L63/10 ,  H04L63/168 ,  H04N21/4431

摘要： Apparatus and methods for improved software programming interface functionality in a network. In one exemplary embodiment, the network comprises an HFC cable network with CPE in which network-specific programming interfaces (e.g., APIs) may be downloaded to the CPE, registered, authenticated, stored and executed in a software protocol stack implementing OpenCable Application Platform (OCAP) or Multimedia Home Platform (MHP) standards. The host device software comprises a “manager” module that registers APIs identified by the OCAP Monitor Application, such that all applications launched thereafter on the device can use these communications APIs, provided they have the appropriate permission(s). This relieves individual applications from having to support details regarding network-specific protocols and APIs. In an alternate embodiment, class and data files associated with the API functionality are downloaded along with an application. The downloaded application registers the API using a modified version of the API using a description file (DF). The DF describes the class and data files provided with the application that are part of the registered API.

摘要翻译： 用于改进网络中的软件编程接口功能的装置和方法。 在一个示例性实施例中，网络包括具有CPE的HFC电缆网络，其中可以将网络特定编程接口（例如，API）下载到CPE，在实现OpenCable应用平台的软件协议栈中注册，认证，存储和执行 OCAP）或多媒体家庭平台（MHP）标准。 主机设备软件包括注册由OCAP监视器应用程序标识的API的“管理器”模块，使得其后在设备上启动的所有应用可以使用这些通信API，只要它们具有适当的许可。 这减轻了个别应用程序不必支持有关特定于网络的协议和API的细节。 在替代实施例中，与API功能相关联的类和数据文件与应用一起下载。 下载的应用程序使用API​​的修改版本使用描述文件（DF）注册API。 DF描述作为注册API一部分的应用程序提供的类和数据文件。

公开(公告)号：US20100020794A1

公开(公告)日：2010-01-28

申请号：US11754714

申请日：2007-05-29

申请人： Chris Cholas ,  George Sarosi ,  William Helms

发明人： Chris Cholas ,  George Sarosi ,  William Helms

IPC分类号： H04L12/56 ,  H04N7/173

CPC分类号： H04N21/6581 ,  H04N5/775 ,  H04N7/17318 ,  H04N21/2385 ,  H04N21/4263 ,  H04N21/6118

摘要： In response to user requests for content, content may be dynamically mapped to communications channels, e.g., QAM channels, used to communicate multiple programs during the same transmission time slot, e.g., through the use of multiplexed MPEG streams. A customer premise device, e.g., STB, uses a tuner tuned to the QAM channel to receive the communicated stream, recovers multiple programs communicated using the single communications channel, and records and/or displays the recovered programs. In this manner, more programs can be received and recorded than there are tuners in the customer premise device, e.g., STB. In some embodiments a content service provider control node processes user requests for content, maps requested programs to transport streams, communicates mapping decision information to a content distribution node, and communicates QAM tuning information to the user devices which can then receive and record multiple programs communicated via a single communications channel. In some embodiments a customer premise device utilizes program information to direct demultiplexed program channels to local or remote recorders (for storing) or decoders (for playback).

摘要翻译： 响应于用户对内容的请求，内容可以动态地映射到通信信道，例如QAM信道，用于在相同的传输时隙期间例如通过使用复用的MPEG流来传送多个节目。 客户驻地设备（例如STB）使用调谐到QAM信道的调谐器来接收所传送的流，恢复使用单个通信信道传送的多个节目，并且记录和/或显示所恢复的节目。 以这种方式，可以接收和记录比客户住宅设备（例如STB）中的调谐器更多的节目。 在一些实施例中，内容服务提供商控制节点处理内容的用户请求，将所请求的节目映射到传输流，将映射决定信息传送到内容分发节点，并将QAM调谐信息传送到用户设备，然后可以接收并记录多个节目传送 通过单个通信通道。 在一些实施例中，客户驻地设备利用程序信息将解复用的节目频道引导到本地或远程录像机（用于存储）或解码器（用于播放）。

公开(公告)号：US09723267B2

公开(公告)日：2017-08-01

申请号：US11013671

申请日：2004-12-15

申请人： John B. Carlucci ,  William Helms ,  Louis D. Williamson

发明人： John B. Carlucci ,  William Helms ,  Louis D. Williamson

IPC分类号： H04N7/16 ,  H04N7/173 ,  H04N21/2365 ,  H04N21/426 ,  H04N21/472 ,  H04N21/61 ,  H04N21/6371 ,  H04N21/6377 ,  H04N21/658

CPC分类号： H04N7/17318 ,  H04N21/23655 ,  H04N21/42615 ,  H04N21/47208 ,  H04N21/6118 ,  H04N21/6371 ,  H04N21/6377 ,  H04N21/658

摘要： A method and apparatus to create and transmit transport multiplexes comprising one or more levels of service over a network. In one embodiment, the level of service comprises high definition (HD) content or programs, and the transmitted multiplexes are distributed over a plurality of downstream RF carriers in a cable network simultaneously. A head-end architecture for performing the multiplexing and distribution of multiple HD programs over the multiple carriers (i.e., in a “wideband” configuration) is disclosed. CPE having one or more wideband tuners is also disclosed, the CPE being adapted to receive the multiplexed HD content from the various RF carriers, and demultiplex it in order to permit decoding and subsequent viewing by the user. The use of multiple HD source programs with the multiplex advantageously provides for enhanced statistical multiplexing by providing a larger “pool” of constituent inputs and available carriers.

公开(公告)号：US20060020950A1

公开(公告)日：2006-01-26

申请号：US10883374

申请日：2004-06-30

申请人： Patrick Ladd ,  George Sarosi ,  William Helms

发明人： Patrick Ladd ,  George Sarosi ,  William Helms

IPC分类号： G06F9/46

CPC分类号： H04N21/818 ,  H04L63/10 ,  H04L63/168 ,  H04N21/4431

摘要： Apparatus and methods for improved software programming interface functionality in a network. In one exemplary embodiment, the network comprises an HFC cable network with CPE in which network-specific programming interfaces (e.g., APIs) may be downloaded to the CPE, registered, authenticated, stored and executed in a software protocol stack implementing OpenCable Application Platform (OCAP) or Multimedia Home Platform (MHP) standards. The host device software comprises a “manager” module that registers APIs identified by the OCAP Monitor Application, such that all applications launched thereafter on the device can use these communications APIs, provided they have the appropriate permission(s). This relieves individual applications from having to support details regarding network-specific protocols and APIs. In an alternate embodiment, class and data files associated with the API functionality are downloaded along with an application. The downloaded application registers the API using a modified version of the API using a description file (DF). The DF describes the class and data files provided with the application that are part of the registered API.

摘要翻译： 用于改进网络中的软件编程接口功能的装置和方法。 在一个示例性实施例中，网络包括具有CPE的HFC电缆网络，其中可以将网络特定编程接口（例如，API）下载到CPE，在实现OpenCable应用平台的软件协议栈中注册，认证，存储和执行 OCAP）或多媒体家庭平台（MHP）标准。 主机设备软件包括注册由OCAP监视器应用程序标识的API的“管理器”模块，使得其后在设备上启动的所有应用可以使用这些通信API，只要它们具有适当的许可。 这减轻了个别应用程序不必支持有关特定于网络的协议和API的细节。 在替代实施例中，与API功能相关联的类和数据文件与应用一起下载。 下载的应用程序使用API​​的修改版本使用描述文件（DF）注册API。 DF描述作为注册API一部分的应用程序提供的类和数据文件。