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    • 2. 发明专利
    • Combined seat walking stick and periscope
    • GB1085924A
    • 1967-10-04
    • GB3572965
    • 1965-08-20
    • ERIC RALPH HILLCLIFFORD DAVIS
    • A45B5/00
    • 1,085,924. Combined seat walking stick and periscope. E. R. HILL and C. DAVIS. Aug. 8, 1966 [Aug. 20, 1965], No. 35729/65. Headings A4H and A4P. A combined seat-walking stick and periscope consists of an objective reflecting surface 12 provided adjacent to the 'bottom' end of the stick and a viewing reflecting surface 15 adjacent to the seat end wherein provision is made for setting and retaining the objective reflecting surface in a functioning position when required and of locating it in an out of action position when not in use. The objective reflecting surface is suitably mounted on a frame, seated on a hinge attached to the stick, provided with flats 13a and 13b with which a spring pressed plunger 13 cooperates to retain the objective reflecting surface in a permissible position. The viewing reflecting surface may be fixed or suitably hingedly mounted. A hooded screen may be incorporated into the objective reflecting surface to minimise glare.
    • 3. 发明专利
    • An improved variable-speed and reversing gear
    • GB180174A
    • 1922-05-25
    • GB1174221
    • 1921-04-23
    • RALPH HILL LITSTER
    • F16H29/08
    • 180,174. Litster, R. H. April 23, 1921. Variable-speed ratchet gearing comprises two sets of spindles E, J parallel to driving and driven shafts A, N, Fig. 1, a heart-shaped cam C, Fig. 2, secured to the shaft A engages cranks D on the spindles E so as to oscillate these spindles. Cranks H on the spindles J engage grooved blocks F on the spindles E. The spindles E are supported in a drum f which can be turned relatively to the fixed bearing-discs g, h of the spindles J, so that there is a change at the connections F, H, and the spindles J are oscillated with amplitude which varies. Toothed gears P are driven at variable speeds through ratchet connections p , Fig. 3, and one of these gears always drives a central gear M on the shaft N. The connections p' comprise balls coacting with an inner set of pockets and an outer set of teeth. The drive may be imparted to a tail-shaft S through bevel clutch reversing-gearing R , O, R'. Reference has been directed by the Comptroller to Specifications 6344/08, 15326/08, and 16024/10.
    • 5. 发明申请
    • Methods and apparatus for persistent control and protection of content
    • 持久控制和保护内容的方法和设备
    • US20080013724A1
    • 2008-01-17
    • US11827856
    • 2007-07-13
    • Talal ShamoonRalph HillChris RadcliffeJohn Hwa
    • Talal ShamoonRalph HillChris RadcliffeJohn Hwa
    • H04N7/167H04L9/00
    • H04L63/0428H04L63/10H04L2463/101H04N7/1675H04N21/23476H04N21/2541H04N21/26613H04N21/4405H04N21/44055H04N21/44204H04N21/4627H04N21/812H04N21/8193H04N21/835H04N21/8355
    • A novel method and apparatus for protection of streamed media content is disclosed. In one aspect, the apparatus includes control means for governance of content streams or content objects, decryption means for decrypting content streams or content objects under control of the control means, and feedback means for tracking actual use of content streams or content objects. The control means may operate in accordance with rules received as part of the streamed content, or through a side-band channel. The rules may specify allowed uses of the content, including whether or not the content can be copied or transferred, and whether and under what circumstances received content may be “checked-out” of one device and used in a second device. The rules may also include or specify budgets, and a requirement that audit information be collected and/or transmitted to an external server. In a different aspect, the apparatus may include a media player designed to call plugins to assist in rendering content. A “trust plugin” is disclosed, along with a method of using the trust plugin so that a media player designed for use with unprotected content may render protected content without the necessity of requiring any changes to the media player. In one aspect, the streamed content may be in a number of different formats, including MPEG-4, MP3, and the RMFF format.
    • 公开了一种用于保护流媒体内容的新颖方法和装置。 一方面,该装置包括用于控制内容流或内容对象的控制装置,用于在控制装置的控制下解密内容流或内容对象的解密装置,以及用于跟踪内容流或内容对象的实际使用的反馈装置。 控制装置可以根据作为流式内容的一部分接收的规则或者通过边带信道来操作。 规则可以指定内容的允许使用,包括是否可以复制或传输内容,以及是否在什么情况下接收到的内容可以被“检出”一个设备并且在第二设备中使用。 规则还可以包括或指定预算,以及将审计信息收集和/或传送到外部服务器的要求。 在不同的方面,设备可以包括被设计为调用插件来辅助呈现内容的媒体播放器。 公开了一种“信任插件”,以及使用信任插件的方法,使得设计用于不受保护的内容的媒体播放器可以呈现受保护的内容,而不需要对媒体播放器进行任何改变。 在一个方面,流传输的内容可​​以是多种不同的格式,包括MPEG-4,MP3和RMFF格式。
    • 6. 发明申请
    • Methods and Apparatus for Persistent Control and Protection of Content
    • 持久控制和内容保护的方法和装置
    • US20070211891A1
    • 2007-09-13
    • US11747781
    • 2007-05-11
    • Talal ShamoonRalph HillChris RadcliffeJohn Hwa
    • Talal ShamoonRalph HillChris RadcliffeJohn Hwa
    • H04L9/18
    • H04N21/43853H04L9/14H04L63/0428H04L63/10H04L2209/603H04L2209/605H04L2209/64H04L2463/101H04N7/167H04N7/1675H04N21/23476H04N21/23605H04N21/2541H04N21/26613H04N21/4343H04N21/4405H04N21/44055H04N21/44204H04N21/4627H04N21/812H04N21/8193H04N21/835H04N21/8352H04N21/8355H04N21/8358
    • A novel method and apparatus for protection of streamed media content is disclosed. In one aspect, the apparatus includes control means for governance of content streams or content objects, decryption means for decrypting content streams or content objects under control of the control means, and feedback means for tracking actual use of content streams or content objects. The control means may operate in accordance with rules received as part of the streamed content, or through a side-band channel. The rules may specify allowed uses of the content, including whether or not the content can be copied or transferred, and whether and under what circumstances received content may be “checked out” of one device and used in a second device. The rules may also include or specify budgets, and a requirement that audit information be collected and/or transmitted to an external server. In a different aspect, the apparatus may include a media player designed to call plugins to assist in rendering content. A “trust plugin” is disclosed, along with a method of using the trust plugin so that a media player designed for use with unprotected content may render protected content without the necessity of requiring any changes to the media player. In one aspect, the streamed content may be in a number of different formats, including MPEG-4, MP3, and the RMFF format.
    • 公开了一种用于保护流媒体内容的新颖方法和装置。 一方面,该装置包括用于控制内容流或内容对象的控制装置,用于在控制装置的控制下解密内容流或内容对象的解密装置,以及用于跟踪内容流或内容对象的实际使用的反馈装置。 控制装置可以根据作为流式内容的一部分接收的规则或者通过边带信道来操作。 规则可以指定内容的允许使用,包括是否可以复制或传送内容,以及是否在什么情况下接收内容可能被“检出”一个设备并在第二设备中使用。 规则还可以包括或指定预算,以及将审计信息收集和/或传送到外部服务器的要求。 在不同的方面,设备可以包括被设计为调用插件来辅助呈现内容的媒体播放器。 公开了一种“信任插件”,以及使用信任插件的方法,使得设计用于不受保护的内容的媒体播放器可以呈现受保护的内容,而不需要对媒体播放器进行任何改变。 在一个方面,流传输的内容可​​以是多种不同的格式,包括MPEG-4,MP3和RMFF格式。
    • 8. 发明授权
    • Frame-accurate transport of media data across a data network
    • 通过数据网络对媒体数据进行帧精确传输
    • US06792468B1
    • 2004-09-14
    • US09441722
    • 1999-11-16
    • Eric David BlochJeffrey Evan BeallGordon Anson DurandRalph Hill
    • Eric David BlochJeffrey Evan BeallGordon Anson DurandRalph Hill
    • G06F1516
    • H04N21/23406H04N21/44004
    • A software architecture and control protocol that provides applications with control over the transport that is frame-accurate, random-access, real-time and stream-based. Conventional server-based data network where media data resides on the server does not provide a frame accurate control of media data playback on a client workstation. The present invention provides control on the client with the implementation of a “client pull” data transport model. According to the present invention, requests for media data are sent from the client to the server one request at a time. The server, upon receiving the requests, retrieves the corresponding frames of media data and transmits the media data back to the client one frame at a time. In this way, the present invention allows a user-interface to provide frame accurate controls on the client workstation, while allowing for real-time playback of media data that resides on the server.
    • 一种软件架构和控制协议,为应用程序提供对帧精确,随机访问,实时和基于流的传输的控制。 媒体数据驻留在服务器上的传统的基于服务器的数据网络不能在客户端工作站上提供对媒体数据播放的帧精确控制。 本发明提供对客户端对“客户端拉”数据传输模型的实现的控制。 根据本发明,媒体数据的请求一次从客户端发送到服务器一个请求。 服务器在接收到请求后,检索相应的媒体数据帧,并将媒体数据一次发送回客户端一帧。 以这种方式,本发明允许用户界面在客户端工作站上提供帧精确控制,同时允许实时地回放驻留在服务器上的媒体数据。
    • 10. 发明授权
    • Seamless playback of multiple clips of media data across a data network
    • 通过数据网络无缝播放媒体数据的多个剪辑
    • US07448062B1
    • 2008-11-04
    • US09441729
    • 1999-11-16
    • Eric David BlochJeffrey Evan BeallGordon Anson DurandRalph Hill
    • Eric David BlochJeffrey Evan BeallGordon Anson DurandRalph Hill
    • H04N7/173G06F15/16
    • H04N21/6587H04N21/26258H04N21/4143H04N21/4622H04N21/4825H04N21/6547H04N21/6581
    • A software architecture and control protocol that provides seamless playback of multiple clips of media data across a data network. Conventional server-based data network architecture where playback logic resides on the servers does not provide the capability of seamless playback of multiple clips stored in different servers. The present invention allows users to specify a playlist and provides control on the client with the implementation of a “client pull” data transport model. According to the present invention, the playlist is translated into a plurality of frame accurate requests, which are sent from the client to the servers one request at a time. The servers, upon receiving the requests, retrieve the corresponding frames of media data and transmit the media data back to the client. In this way, the present invention allows a user-interface to provide seamless playback of multiple clips that reside on different servers on the client workstation.
    • 软件架构和控制协议,可跨数据网络无缝播放多个媒体数据片段。 回放逻辑驻留在服务器上的传统的基于服务器的数据网络架构不能提供存储在不同服务器中的多个剪辑的无缝回放功能。 本发明允许用户指定播放列表并且向客户端提供对“客户端拉”数据传输模型的实现的控制。 根据本发明,将播放列表转换成多个帧准确请求,这些请求一次从客户端发送到服务器一个请求。 服务器在接收到请求后,检索相应的媒体数据帧并将媒体数据发送回客户端。 以这种方式,本发明允许用户界面提供驻留在客户端工作站上的不同服务器上的多个剪辑的无缝回放。