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    Content playback apparatus, content playback method, and program
    3.
    发明申请
    Content playback apparatus, content playback method, and program 有权
    内容播放装置，内容播放方法和程序

    公开(公告)号：US20050018854A1

    公开(公告)日：2005-01-27

    申请号：US10868872

    申请日：2004-06-17

    申请人： Masaya Yamamoto ,  Motoji Ohmori ,  Masato Yamamichi ,  Masami Yamamichi ,  Kazuhisa Watanabe ,  Atsushi Saso ,  Naoaki Yamamoto

    发明人： Masaya Yamamoto ,  Motoji Ohmori ,  Masato Yamamichi ,  Masami Yamamichi ,  Kazuhisa Watanabe ,  Atsushi Saso ,  Naoaki Yamamoto

    IPC分类号： G06F21/10 ,  G11B20/00 ,  H04N7/167

    CPC分类号： G06F21/10 ,  G06F2221/2153 ,  G11B20/00086 ,  G11B20/0021 ,  G11B20/00246 ,  G11B20/00304 ,  G11B20/00492 ,  G11B2020/10546 ,  G11B2220/60

    摘要： A content playback apparatus prevents related content recorded on separate media that make up a virtual package from being played separately, thereby restricting playback of the content to only when the virtual package is assembled as intended by the creator, and protecting copyright of the content. A key obtaining unit obtains a second key, with use of key management information recorded on a recording medium on which related content relating to the encrypted content is also recorded. An information obtaining unit obtains the encrypted content and key generation information that relates to generation of the first key, from a source other than the recording medium. A key generation unit generates the first key with use of the second key and the obtained key generation information. A decryption unit decrypts the encrypted content with use of the first key.

    摘要翻译： 内容播放装置防止记录在构成虚拟包的单独媒体上的相关内容被单独播放，从而仅当虚拟包按照创作者的意图进行组合并且保护内容的版权时才限制内容的播放。 密钥获取单元使用记录在与记录与加密内容相关的相关内容的记录介质上的密钥管理信息来获得第二密钥。 信息获取单元从除了记录介质之外的源获得与生成第一密钥相关的加密内容和密钥生成信息。 密钥生成单元使用第二密钥和获得的密钥生成信息生成第一密钥。 解密单元利用第一密钥解密加密的内容。

    Information presentation system, management device, and terminal device
    5.
    发明申请
    Information presentation system, management device, and terminal device 有权
    信息呈现系统，管理设备和终端设备

    公开(公告)号：US20070198582A1

    公开(公告)日：2007-08-23

    申请号：US10557197

    申请日：2004-06-03

    申请人： Masato Yamamichi ,  Masami Yamamichi ,  Satomi Yamamichi ,  Keiko Yamamichi ,  Motoji Ohmori ,  Masaya Yamamoto ,  Kazuhisa Watanabe ,  Atsushi Saso ,  Naoaki Yamamoto

    发明人： Masato Yamamichi ,  Masami Yamamichi ,  Satomi Yamamichi ,  Keiko Yamamichi ,  Motoji Ohmori ,  Masaya Yamamoto ,  Kazuhisa Watanabe ,  Atsushi Saso ,  Naoaki Yamamoto

    IPC分类号： G06F7/00 ,  G06F17/00

    CPC分类号： G06F17/30038 ,  G06F17/30265 ,  G06Q30/02 ,  Y10S707/99948

    摘要： An information presentation system simplifies entry of information relating to a package media of a user, and management of the information. The information presentation system is made up of a playback apparatus, a library information management apparatus, and a terminal apparatus. The playback apparatus reads an identifier identifying a content from a portable recording medium in which the content is recorded, and transmits the read identifier to the library information management apparatus via a network. The library information management apparatus receives the identifier, acquires attribute information showing attributes of the content identified by the identifier, generates library information including the attribute information and the identifier, and stores the library information. Further, upon request by the terminal apparatus, the library information management apparatus generates presentation information based on the library information, and transmits the presentation information. The user accesses the presentation information using the terminal apparatus.

    摘要翻译： 信息呈现系统简化了与用户的包装介质有关的信息的输入以及信息的管理。 信息呈现系统由重放装置，图书馆信息管理装置和终端装置构成。 回放装置从记录有内容的便携式记录介质读取识别内容的标识符，并通过网络将读取的标识符发送到库信息管理装置。 库信息管理装置接收标识符，获取表示由标识符识别的内容的属性的属性信息，生成包括属性信息和标识符的库信息，并存储库信息。 此外，根据终端装置的要求，库信息管理装置根据库信息生成呈现信息，并发送呈现信息。 用户使用终端装置访问演示信息。

    Content playback apparatus, content playback method, and program
    7.
    发明授权
    Content playback apparatus, content playback method, and program 有权
    内容播放装置，内容播放方法和程序

    公开(公告)号：US07555129B2

    公开(公告)日：2009-06-30

    申请号：US10868872

    申请日：2004-06-17

    申请人： Masaya Yamamoto ,  Motoji Ohmori ,  Masami Yamamichi, legal representative ,  Satomi Yamamichi, legal representative ,  Keiko Yamamichi, legal representative ,  Kazuhisa Watanabe ,  Atsushi Saso ,  Naoaki Yamamoto

    发明人： Masato Yamamichi

    IPC分类号： H04L9/00

    CPC分类号： G06F21/10 ,  G06F2221/2153 ,  G11B20/00086 ,  G11B20/0021 ,  G11B20/00246 ,  G11B20/00304 ,  G11B20/00492 ,  G11B2020/10546 ,  G11B2220/60

    摘要： A content playback apparatus prevents related content recorded on separate media that make up a virtual package from being played separately, thereby restricting playback of the content to only when the virtual package is assembled as intended by the creator, and protecting copyright of the content. A key obtaining unit obtains a second key, with use of key management information recorded on a recording medium on which related content relating to the encrypted content is also recorded. An information obtaining unit obtains the encrypted content and key generation information that relates to generation of the first key, from a source other than the recording medium. A key generation unit generates the first key with use of the second key and the obtained key generation information. A decryption unit decrypts the encrypted content with use of the first key.

    摘要翻译： 内容播放装置防止记录在构成虚拟包的单独媒体上的相关内容被单独播放，从而仅当虚拟包按照创作者的意图进行组合并且保护内容的版权时才限制内容的播放。 密钥获取单元使用记录在与记录与加密内容相关的相关内容的记录介质上的密钥管理信息来获得第二密钥。 信息获取单元从除了记录介质之外的源获得与生成第一密钥相关的加密内容和密钥生成信息。 密钥生成单元使用第二密钥和获得的密钥生成信息生成第一密钥。 解密单元利用第一密钥解密加密的内容。

    Contents linkage information delivery system
    8.
    发明授权
    Contents linkage information delivery system 有权
    内容联动信息传递系统

    公开(公告)号：US07519685B2

    公开(公告)日：2009-04-14

    申请号：US10406217

    申请日：2003-04-04

    申请人： Masao Nonaka ,  Masato Yamamichi ,  Motoji Ohmori ,  Masaya Yamamoto ,  Wataru Ikeda ,  Masataka Minami ,  Kazuhisa Watanabe ,  Atsushi Saso

    发明人： Masao Nonaka ,  Masato Yamamichi ,  Motoji Ohmori ,  Masaya Yamamoto ,  Wataru Ikeda ,  Masataka Minami ,  Kazuhisa Watanabe ,  Atsushi Saso

    IPC分类号： G06F15/16

    CPC分类号： H04N21/42646 ,  H04N7/17318 ,  H04N21/43622 ,  H04N21/84

    摘要： A contents linkage information delivery system for delivering a related content that is associated with another content. The system includes a first playback apparatus, a server for transmitting the related content, and a second playback apparatus for playing back the related content, which each communicate via a communications channel. The first playback apparatus includes a playback position information acquisition unit for acquiring time-base playback position information of the other content, a request input unit for receiving a user request, and a first transmission unit for transmitting the time-base playback position information. The server includes a first reception unit for receiving the time-base playback position information a related content acquisition unit for acquiring the related content based on the time-base playback position information, and a second transmission unit for transmitting the related content. The second playback apparatus includes a second reception unit.

    摘要翻译： 一种用于传递与另一内容相关联的相关内容的内容联动信息传送系统。 该系统包括第一播放装置，用于发送相关内容的服务器，以及用于回放相关内容的第二播放装置，每个通过通信信道进行通信。 第一播放装置包括用于获取其他内容的时基播放位置信息的播放位置信息获取单元，用于接收用户请求的请求输入单元和用于发送时基播放位置信息的第一传输单元。 服务器包括：第一接收单元，用于接收时基播放位置信息;相关内容获取单元，用于基于时基重放位置信息获取相关内容;以及第二传输单元，用于发送相关内容。 第二播放装置包括第二接收单元。

    Contents linkage information delivery system
    9.
    发明申请
    Contents linkage information delivery system 有权
    内容联动信息传递系统

    公开(公告)号：US20050262217A1

    公开(公告)日：2005-11-24

    申请号：US10406217

    申请日：2003-04-04

    申请人： Masao Nonaka ,  Masato Yamamichi ,  Motoji Ohmori ,  Masaya Yamamoto ,  Wataru Ikeda ,  Masataka Minami ,  Kazuhisa Watanabe ,  Atsushi Saso

    发明人： Masao Nonaka ,  Masato Yamamichi ,  Motoji Ohmori ,  Masaya Yamamoto ,  Wataru Ikeda ,  Masataka Minami ,  Kazuhisa Watanabe ,  Atsushi Saso

    IPC分类号： G06F15/16

    CPC分类号： H04N21/42646 ,  H04N7/17318 ,  H04N21/43622 ,  H04N21/84

    摘要： To provide a contents linkage information delivery system for use by a content provider to deliver contents in a manner that a user is allowed to acquire, according to a user request, a content that relates to another content. The present invention is directed to a contents linkage information delivery system for delivering a related content that is associated with another content. The contents linkage information delivery system is composed of a first playback apparatus for playing back the other content, a server for transmitting the related content, and a second playback apparatus for playing back the related content. The first playback apparatus, the server, and the second playback apparatus mutually communicate via a communications channel. The first playback apparatus includes a playback position information acquisition unit for acquiring time-base playback position information of the other content, a request input unit for receiving a user request, and a first transmission unit for transmitting the time-base playback position information. The server includes a first reception unit for receiving the time-base playback position information transmitted from the first playback apparatus, a related content acquisition unit for acquiring the related content based on the time-base playback position information, and a second transmission unit for transmitting the related content. The second playback apparatus includes a second reception unit for receiving the related content transmitted from the server, and a first output unit for outputting the related content.

    摘要翻译： 为了提供一种内容联动信息传递系统，供内容提供商使用，以用户被允许的方式根据用户请求获得与另一内容相关的内容的方式传送内容。 本发明涉及用于递送与另一内容相关联的相关内容的内容联动信息传递系统。 内容联动信息传送系统由用于再现其他内容的第一播放装置，用于发送相关内容的服务器和用于播放相关内容的第二播放装置组成。 第一播放装置，服务器和第二播放装置经由通信信道相互通信。 第一播放装置包括用于获取其他内容的时基播放位置信息的播放位置信息获取单元，用于接收用户请求的请求输入单元和用于发送时基播放位置信息的第一传输单元。 服务器包括：第一接收单元，用于接收从第一播放装置发送的时基播放位置信息;相关内容获取单元，用于基于时基播放位置信息获取相关内容;以及第二传送单元，用于发送 相关内容。 第二播放装置包括用于接收从服务器发送的相关内容的第二接收单元和用于输出相关内容的第一输出单元。

    Content recording/reproducing system, distribution device, reproducing device, and recording device
    10.
    发明申请
    Content recording/reproducing system, distribution device, reproducing device, and recording device 有权
    内容记录/再现系统，分发设备，再现设备和记录设备

    公开(公告)号：US20070094505A1

    公开(公告)日：2007-04-26

    申请号：US10548265

    申请日：2004-03-11

    申请人： Yuichi Futa ,  Masato Yamamichi ,  Masami Yamamichi ,  Satomi Yamamichi ,  Keiko Yamamichi ,  Motoji Ohmori ,  Masaya Yamamoto ,  Makoto Tatabayashi

    发明人： Yuichi Futa ,  Masato Yamamichi ,  Masami Yamamichi ,  Satomi Yamamichi ,  Keiko Yamamichi ,  Motoji Ohmori ,  Masaya Yamamoto ,  Makoto Tatabayashi

    IPC分类号： H04L9/00

    CPC分类号： H04N21/4325 ,  G11B20/00086 ,  G11B20/00173 ,  G11B20/0021 ,  G11B20/00246 ,  G11B20/00362 ,  G11B20/00492 ,  H04N21/26613 ,  H04N21/835

    摘要： A content recording/reproducing system, which records and reproduces a sub-content relating to a main content, includes a distribution device, first and second recording media, a recording device and a reproducing device. The first recording medium that is non-rewritable prestores key data based on which a public key is derivable, and the main content. The distribution device outputs verification information that includes the sub-content and is generated by applying a digital signature to relative information relating to the sub-content based on a secret key corresponding to the public key. The recording device acquires and records the verification information on the second recording medium that is rewritable. The reproducing device acquires the key data from the first recording medium and the verification information from the second recording medium, derives the public key from the key data, verifies the verification information using the public key, and reproduces the sub-content if the verification succeeds.

    摘要翻译： 记录和再现与主要内容相关的子内容的内容记录/再现系统包括分发装置，第一和第二记录介质，记录装置和再现装置。 不可重写的第一种记录介质预先存储基于该公钥的可导出的密钥数据，以及主要内容。 分发装置输出包含子内容的验证信息，并且通过基于与公开密钥相对应的秘密密钥将数字签名应用于与子内容相关的相关信息来生成。 记录装置在可重写的第二记录介质上获取并记录验证信息。 再现装置从第一记录介质获取密钥数据和来自第二记录介质的验证信息，从密钥数据中导出公共密钥，使用公钥验证验证信息，并且如果验证成功则再现子内容 。