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1. 发明申请

US20080196109A1 Device Registration System and Device Registration Apparatus 有权
标题翻译：设备注册系统和设备注册设备
公开(公告)号：US20080196109A1
公开(公告)日：2008-08-14
申请号：US11631798
申请日：2005-07-14
申请人： Natsume Matsuzaki , Masaya Miyazaki , Yuichi Futa , Toshihisa Nakano , Hiroki Yamauchi , Soichiro Fujioka , Yuko Tsusaka
发明人： Natsume Matsuzaki , Masaya Miyazaki , Yuichi Futa , Toshihisa Nakano , Hiroki Yamauchi , Soichiro Fujioka , Yuko Tsusaka
IPC分类号： G06F21/00
CPC分类号： G06F21/10
摘要： When a PC 20 transmits a content request to a device registration apparatus 10 in which a permitted number of devices have already been registered, an expiration time management unit 105 judges whether any registration information registered in a registration list management unit 102 has an exceeded registration expiration time. If registration information with an exceeded registration expiration time is registered in the registration list management unit 102, the registration list management unit 102 deletes this registration information, and newly registers registration information of the PC 20.
摘要翻译：当PC20向已注册了许可数量的设备的设备登记设备10发送内容请求时，期满时间管理单元105判断登记在注册表管理单元102中的任何注册信息是否具有超过的注册期满时间。如果在注册表管理单元102中登记了具有超过注册的期满时间的注册信息，则注册列表管理单元102删除该注册信息，并且新登记PC 20的注册信息。

2. 发明授权

US08220064B2 Content management system and content management unit 有权
标题翻译：内容管理系统和内容管理单元
公开(公告)号：US08220064B2
公开(公告)日：2012-07-10
申请号：US11632863
申请日：2005-07-13
申请人： Hiroki Yamauchi , Natsume Matsuzaki , Yuichi Futa , Toshihisa Nakano
发明人： Hiroki Yamauchi , Natsume Matsuzaki , Yuichi Futa , Toshihisa Nakano
IPC分类号： H04L9/00
CPC分类号： G06F21/10 , G06F2221/2137
摘要： A content management system which can prevent a content from being copied exceeding the limited number of copies for the content. The content management system includes a first content management device and a second content management device. The first content management device stores period information that indicates an available period during which a first external device is permitted to use a copied content which has been copied from the content, and outputs the period information to the second content management device when the content is moved. Upon receiving the period information from the first content management device, the second content management device judges whether the available period of the copied content has expired, using the received period information, and if it is judges that the available period has not expired, it inhibits the content from being copied to the second external device.
摘要翻译：一种内容管理系统，其可以防止内容被复制超过该内容的有限数量的副本。内容管理系统包括第一内容管理装置和第二内容管理装置。第一内容管理装置存储指示允许第一外部装置使用从内容复制的复制内容的可用期间的周期信息，并且当内容移动时将该周期信息输出到第二内容管理装置。在从第一内容管理装置接收到期间信息的情况下，第二内容管理装置使用接收到的周期信息来判断复制内容的可用期间是否到期，如果判断为可用期间未到期，则抑制将内容从复制到第二个外部设备。

3. 发明授权

US07979731B2 Time authentication device, time authentication method, computer program, recording medium, integrated circuit, and time authentication system 有权
标题翻译：时间认证设备，时间认证方法，计算机程序，记录介质，集成电路和时间认证系统
公开(公告)号：US07979731B2
公开(公告)日：2011-07-12
申请号：US11632349
申请日：2005-07-13
申请人： Yuichi Futa , Natsume Matsuzaki , Hiroki Yamauchi , Toshihisa Nakano
发明人： Yuichi Futa , Natsume Matsuzaki , Hiroki Yamauchi , Toshihisa Nakano
IPC分类号： G06F1/00 , G06F7/04 , G06F17/30 , H04L9/32 , H04N7/18 , H04N7/16
CPC分类号： H04L63/08 , H04L9/12 , H04L9/3297 , H04L2209/60 , H04L2463/121
摘要： A time authentication device identifies clocks that show a time falling within the predetermined permissible range as compared with a time shown by the time authentication device. In a time authentication device embodied as a distribution device, a time-relation information storage unit stores a playback-device-time measured by a clock unit of a playback device, and also stores a distribution-device-time measured by a clock unit when the playback-device-time is acquired. The time authentication unit acquires from the playback device a target time measured by the clock unit, and also acquires an authentication time measured by the clock unit when the target time is received. The time authentication unit then calculates a first difference, a second difference, an authentication difference. If the authentication difference is smaller than or equal to a predetermined threshold, the time authentication unit judges that the clock unit of the playback device is valid.
摘要翻译：与时间认证装置所示的时间相比，时间认证装置识别出显示与预定允许范围内的时间的时钟。在体现为分发装置的时间认证装置中，时间关系信息存储单元存储由重放装置的时钟单元测量的重放装置时间，并且还存储由时钟单元测量的分配装置时间获取播放设备时间。时间认证单元从重放设备获取由时钟单元测量的目标时间，并且还获取当接收到目标时间时由时钟单元测量的认证时间。时间认证单元然后计算第一差异，第二差异，认证差异。如果认证差异小于或等于预定阈值，则时间认证单元判断播放设备的时钟单元有效。

4. 发明授权

US07984489B2 Device registration system and device registration apparatus 有权
标题翻译：设备注册系统和设备注册设备
公开(公告)号：US07984489B2
公开(公告)日：2011-07-19
申请号：US11631798
申请日：2005-07-14
申请人： Natsume Matsuzaki , Masaya Miyazaki , Yuichi Futa , Toshihisa Nakano , Hiroki Yamauchi , Soichiro Fujioka , Yuko Tsusaka
发明人： Natsume Matsuzaki , Masaya Miyazaki , Yuichi Futa , Toshihisa Nakano , Hiroki Yamauchi , Soichiro Fujioka , Yuko Tsusaka
IPC分类号： H04L9/00
CPC分类号： G06F21/10
摘要： When a PC transmits a content request to a device registration apparatus in which a permitted number of devices have already been registered, an expiration time management unit judges whether any registration information registered in a registration list management unit has an exceeded registration expiration time. If registration information with an exceeded registration expiration time is registered in the registration list management unit, the registration list management unit deletes this registration information, and newly registers registration information of the PC.
摘要翻译：当PC向其中已经登记了许可数量的设备的设备注册设备发送内容请求时，期满时间管理单元判断登记在注册列表管理单元中的任何注册信息是否具有超过的注册期满时间。如果在注册表管理单元中登记具有超过注册到期时间的注册信息，则注册列表管理单元删除该注册信息，并且新登记PC的注册信息。

5. 发明申请

US20080127279A1 Time Authentication Device, Time Authentication Method, Computer Program, Recording Medium, Integrated Circuit, and Time Authentication System 有权
标题翻译：时间认证设备，时间认证方法，计算机程序，记录介质，集成电路和时间认证系统
公开(公告)号：US20080127279A1
公开(公告)日：2008-05-29
申请号：US11632349
申请日：2005-07-13
申请人： Yuichi Futa , Natsume Matsuzaki , Hiroki Yamauchi , Toshihisa Nakano
发明人： Yuichi Futa , Natsume Matsuzaki , Hiroki Yamauchi , Toshihisa Nakano
IPC分类号： H04N7/18
CPC分类号： H04L63/08 , H04L9/12 , H04L9/3297 , H04L2209/60 , H04L2463/121
摘要： The present invention aims to provide a time authentication device for distinguishing clocks that show a time falling within the predetermined permissible range as compared with a time shown by the time authentication device. In a time authentication device embodied as a distribution device 11, a time-relation information storage unit 104 stores a playback-device-time measured by a clock unit 203 of a playback device 12, and also stores a distribution-device-time measured by a clock unit 103 when the playback-device-time is acquired. The time authentication unit 107 acquires from the playback device 12 a target time measured by the clock unit 203, and also acquires an authentication time measured by the clock unit when the target time is received. The time authentication unit 107 then calculates a first difference (=Authentication Time−Distribution-Device-Time), a second difference (=Target Time−Playback-Device-Time), an authentication difference (=First Difference−Second Difference). If the authentication difference is smaller than or equal to a predetermined threshold, the time authentication unit 107 judges that the clock unit 203 of the playback device 12 is valid.
摘要翻译：本发明的目的在于提供一种时间认证装置，用于与时间认证装置所示的时间相比，区分表示时间在预定容许范围内的时钟。在实现为分发装置11的时间认证装置中，时间关系信息存储单元104存储由重放装置12的时钟单元203测量的重放装置时间，并且还存储由播放装置12的时间单元203测量的分发装置时间当获取重放设备时间时的时钟单元103。时间认证单元107从重放设备12获取由时钟单元203测量的目标时间，并且还在接收到目标时间时获取由时钟单元测量的认证时间。时间认证单元107然后计算第一差值（=认证时间分配 - 设备时间），第二差值（=目标时间播放 - 设备时间），认证差异（=第一差异 - 第二差）。如果认证差异小于或等于预定阈值，则时间认证单元107判断回放设备12的时钟单元203是有效的。

6. 发明申请

US20080022416A1 Content Management System and Content Management Unit 有权
标题翻译：内容管理系统和内容管理单元
公开(公告)号：US20080022416A1
公开(公告)日：2008-01-24
申请号：US11632863
申请日：2005-07-13
申请人： Hiroki Yamauchi , Natsume Matsuzaki , Yuichi Futa , Toshihisa Nakano
发明人： Hiroki Yamauchi , Natsume Matsuzaki , Yuichi Futa , Toshihisa Nakano
IPC分类号： G06F21/22
CPC分类号： G06F21/10 , G06F2221/2137
摘要： A content management system which can prevent a content from being copied exceeding the limited number of copies for the content. The content management system includes a first content management device and a second content management device. The first content management device stores period information that indicates an available period during which a first external device is permitted to use a copied content which has been copied from the content, and outputs the period information to the second content management device when the content is moved. Upon receiving the period information from the first content management device, the second content management device judges whether the available period of the copied content has expired, using the received period information, and if it is judges that the available period has not expired, it inhibits the content from being copied to the second external device.
摘要翻译：一种内容管理系统，其可以防止内容被复制超过该内容的有限数量的副本。内容管理系统包括第一内容管理装置和第二内容管理装置。第一内容管理装置存储指示允许第一外部装置使用从内容复制的复制内容的可用期间的周期信息，并且当内容移动时将该周期信息输出到第二内容管理装置。在从第一内容管理装置接收到期间信息的情况下，第二内容管理装置使用接收到的周期信息来判断复制内容的可用期间是否到期，如果判断为可用期间未到期，则抑制将内容从复制到第二个外部设备。

7. 发明授权

US07958240B2 Group judgment device 有权
标题翻译：组判断装置
公开(公告)号：US07958240B2
公开(公告)日：2011-06-07
申请号：US12266010
申请日：2008-11-06
申请人： Yuichi Futa , Hiroki Yamauchi , Yuusaku Ohta , Natsume Matsuzaki
发明人： Yuichi Futa , Hiroki Yamauchi , Yuusaku Ohta , Natsume Matsuzaki
IPC分类号： G06F15/173
CPC分类号： H04W40/246 , H04L29/06 , H04L41/0893 , H04L41/509 , H04L43/50 , H04L63/0492 , H04L63/08 , H04L63/10 , H04L67/18 , H04L69/16 , H04L69/329 , H04W4/02 , H04W40/20 , H04W76/10
摘要： In a server, an echo-request transmitting unit transmits echo-request data to a target device, and an echo-reply receiving unit receives echo-reply data from the target device. A time measuring unit measures, as the target time, the time required between transmission of the echo-request data and reception of the echo-reply data, and compares the target time with the reference time. In this way, the server judges whether the target device connected to its network belongs to a predetermined group.
摘要翻译：在服务器中，回波请求发送单元向目标设备发送回波请求数据，回波应答接收单元从目标设备接收回波应答数据。时间测量单元测量回波请求数据的发送和回波回复数据的接收之间的时间作为目标时间，并将目标时间与参考时间进行比较。以这种方式，服务器判断连接到其网络的目标设备是否属于预定组。

8. 发明申请

US20090070483A1 GROUP JUDGMENT DEVICE 有权
标题翻译：集团裁判设备
公开(公告)号：US20090070483A1
公开(公告)日：2009-03-12
申请号：US12266010
申请日：2008-11-06
申请人： Yuichi FUTA , Hiroki Yamauchi , Yuusaku Ohta , Natsume Matsuzaki
发明人： Yuichi FUTA , Hiroki Yamauchi , Yuusaku Ohta , Natsume Matsuzaki
IPC分类号： G06F15/173
CPC分类号： H04W40/246 , H04L29/06 , H04L41/0893 , H04L41/509 , H04L43/50 , H04L63/0492 , H04L63/08 , H04L63/10 , H04L67/18 , H04L69/16 , H04L69/329 , H04W4/02 , H04W40/20 , H04W76/10
摘要： In a server, an echo-request transmitting unit 204 transmits echo-request data to a target device, and an echo-reply receiving unit 205 receives echo-reply data from the target device. A time measuring unit 206 measures, as the target time, the time required between transmission of the echo-request data and reception of the echo-reply data, and compares the target time with the reference time. In this way, the server judges whether the target device connected to its network belongs to a predetermined group.
摘要翻译：在服务器中，回波请求发送部204向目标装置发送回波请求数据，回波应答接收部205从目标装置接收回波应答数据。时间测量单元206测量回传请求数据的发送和回波回复数据的接收之间所需的时间作为目标时间，并将目标时间与参考时间进行比较。以这种方式，服务器判断连接到其网络的目标设备是否属于预定组。

9. 发明授权

US07925697B2 Group judgment device 有权
标题翻译：组判断装置
公开(公告)号：US07925697B2
公开(公告)日：2011-04-12
申请号：US10669656
申请日：2003-09-25
申请人： Yuichi Futa , Hiroki Yamauchi , Yuusaku Ohta , Natsume Matsuzaki
发明人： Yuichi Futa , Hiroki Yamauchi , Yuusaku Ohta , Natsume Matsuzaki
IPC分类号： G06F15/16
CPC分类号： H04W40/246 , H04L29/06 , H04L41/0893 , H04L41/509 , H04L43/50 , H04L63/0492 , H04L63/08 , H04L63/10 , H04L67/18 , H04L69/16 , H04L69/329 , H04W4/02 , H04W40/20 , H04W76/10
摘要： In a server, an echo-request transmitting unit 204 transmits echo-request data to a target device, and an echo-reply receiving unit 205 receives echo-reply data from the target device. A time measuring unit 206 measures, as the target time, the time required between transmission of the echo-request data and reception of the echo-reply data, and compares the target time with the reference time. In this way, the server judges whether the target device connected to its network belongs to a predetermined group.
摘要翻译：在服务器中，回波请求发送部204向目标装置发送回波请求数据，回波应答接收部205从目标装置接收回波应答数据。时间测量单元206测量回传请求数据的发送和回波回复数据的接收之间所需的时间作为目标时间，并将目标时间与参考时间进行比较。以这种方式，服务器判断连接到其网络的目标设备是否属于预定组。

10. 发明授权

US07457410B2 Transmission/reception system 失效
标题翻译：发射/接收系统
公开(公告)号：US07457410B2
公开(公告)日：2008-11-25
申请号：US10836239
申请日：2004-05-03
申请人： Hiroki Yamauchi , Natsume Matsuzaki , Yuusaku Ohta , Yuichi Futa
发明人： Hiroki Yamauchi , Natsume Matsuzaki , Yuusaku Ohta , Yuichi Futa
IPC分类号： H04L9/00
CPC分类号： H04L63/0442 , H04L9/0841 , H04L9/3271 , H04L63/08 , H04L63/10 , H04L2209/60 , H04L2463/101
摘要： A server and a client hold common secret information in respective secret information holding units. A server Cyclic Redundancy Check (CRC) unit in the server generates a CRC code after adding the secret information to communication data, and transmits the communication data with the CRC code attached. A client CRC unit of the client generates a CRC code after adding the secret information to communication data, and checks whether or not an error has occurred in the communication data on the communication path. Since the client holds the secret information, the client determines that an error has not occurred, and obtains the communication data. On the other hand, a router, which does not hold the secret information, is unable to obtain the communication data. This prevents the communication data from being transferred to devices outside an authorized domain.
摘要翻译：服务器和客户端在各个秘密信息保持单元中保存公用秘密信息。服务器中的服务器循环冗余校验（CRC）单元在将秘密信息添加到通信数据后生成CRC代码，并发送带有附加CRC码的通信数据。客户端CRC单元在将秘密信息添加到通信数据之后生成CRC码，并且检查通信路径中的通信数据中是否发生错误。由于客户端保存秘密信息，所以客户机确定没有发生错误，并获得通信数据。另一方面，不保存秘密信息的路由器不能获得通信数据。这样可以防止通信数据被传送到授权域之外的设备。

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