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    • 1. 发明公开
    • GEARED DRIVE ASSEMBLIES
    • VERZAHNTE ANTRIEBSAGGREGATE
    • EP2981741A1
    • 2016-02-10
    • EP14733284.5
    • 2014-04-01
    • Geissler, Michael Paul Alexander
    • Geissler, Michael Paul Alexander
    • F16H57/12
    • F16H57/12F16H2057/121F16H2057/126F16M11/06G03B17/561
    • A geared drive assembly (10) comprising the driven gear (12) arranged to mesh with the driving gear (14) and a rotary actuator operatively connected to the driving gear (14) by the pulley belt (22) engaging with an first pulley wheel (18) of the rotary actuator and a second pulley wheel (24) rigidly and coaxially connected to the driving gear (14), wherein the pulley belt (22) comprises first (26) and second (28) pulley belt portions extending between the first (18) and second (24) pulley wheels, wherein the first pulley belt portion (26) is maintained, in use, under tension, and wherein the second pulley belt portion (28) is slack, in use. Advantages of the invention, compared with known anti-backlash gearboxes, include: significant weight reductions, reduced complexity, reduced drag, smaller motor sizes, reduced part count, reduced play and backlash. Embodiments of the invention may advantageously provide a lightweight, simple anti-backlash gearing assembly that are particularly suited for use in motorized camera mounts, e.g. pan/tilt heads.
    • 一种包括从动齿轮(12)的齿轮传动组件(10),其被布置成与驱动齿轮(14)啮合;以及旋转致动器,其通过与皮带轮(22)啮合的可操作地连接到驱动齿轮(14)的第一滑轮 (18)和与所述驱动齿轮(14)刚性和同轴连接的第二滑轮(24),其中所述滑轮带(22)包括在所述驱动齿轮(14)之间延伸的第一(26)和第二(28) 第一(18)和第二(24)滑轮轮,其中第一皮带轮带部分(26)在使用中被保持在张力下,并且其中第二皮带轮带部分(28)在使用中是松弛的。 与已知的抗间隙齿轮箱相比,本发明的优点包括:显着的减重,降低的复杂性,减小的阻力,更小的电动机尺寸,减少的零件数量,减少的游隙和间隙。 本发明的实施例可以有利地提供一种轻量级的简单的反间隙传动装置,其特别适用于电动照相机安装件,例如, 摇摄/倾斜头。
    • 3. 发明公开
    • Computer systems
    • COMPUTERSYSTEME
    • EP2239680A1
    • 2010-10-13
    • EP10006442.7
    • 2007-03-08
    • Whitlock, Michael, Paul
    • Whitlock, Michael, Paul
    • G06F21/20
    • G06F21/34G06F21/31H04L63/0428
    • A networked computer system comprises a network including a server, and at least one client for use by at least one user for communication with the server, at which client client data may be input into the system for processing by the server. Each client has a station code associated therewith. Each user has a user code required for logging into the system. Each client has an encryption engine adapted to combine and encrypt the station code and the user code when a user logs into the system at a particular client to provide an encrypted log-on signal. The client is coupled to transmit the encrypted log-on signal to the server. The server includes a decryption engine, and an access controller. The server includes memory storing a table of permitted combinations of station code and user code. The decryption engine is adapted to decrypt received encoded log-on signals and to configure the access controller to allow access from a particular client to and manipulation of data in the server only when the decrypted log-on signal corresponds to a permitted combination. Each client has a client memory storing a table containing a plurality of code words. The encryption engine is further adapted to encrypt the client data using code words from the table of code words to provide packets of data to be transmitted via the network to the server, each such packet being encrypted using a said code word selected for that packet or for a train of such packets from the table of code words. The decryption engine is further adapted to decrypt data packages received by the server for processing by the server. The server includes memory storing a code word table containing a plurality of code words including all code words associated with all clients authorised for communication with the server, the decryption engine being adapted to identify from each data package received by the server whether the particular said package was encoded using a code word present in the code word table and to decrypt said package using the particular said code word.
    • 网络计算机系统包括包括服务器的网络和至少一个用于由至少一个用户与服务器进行通信的客户端,客户端客户端数据可以被输入到系统中以供服务器处理。 每个客户端具有与之相关的站号。 每个用户都有登录系统所需的用户代码。 当用户在特定客户端登录系统以提供加密的登录信号时,每个客户机具有适于组合和加密站代码和用户代码的加密引擎。 客户端被耦合以将加密的登录信号发送到服务器。 服务器包括解密引擎和访问控制器。 服务器包括存储站代码和用户代码的允许组合的表的存储器。 解密引擎适用于解密接收到的编码登录信号,并且仅当解密的登录信号对应于允许的组合时,配置访问控制器才允许从特定客户端访问服务器并且操纵服务器中的数据。 每个客户端具有存储包含多个代码字的表的客户端存储器。 加密引擎还适用于使用代码字表中的代码字来加密客户端数据,以将经由网络发送的数据分组提供给服务器,每个这样的分组使用为该分组选择的所述代码字进行加密,或 对于来自代码表的一列这样的数据包。 解密引擎还适用于解密由服务器接收的数据包以供服务器处理。 服务器包括存储存储包含多个代码字的代码字表的存储器,所述代码字包括与被授权与服务器通信的所有客户端相关联的所有代码字,所述解密引擎适于从服务器接收到的每个数据包识别特定的所述包 使用代码字表中存在的代码字进行编码,并使用特定的所述代码字来解密所述包。
    • 10. 发明公开
    • COMPUTER SYSTEMS
    • 计算机系统
    • EP2005357A2
    • 2008-12-24
    • EP07712860.1
    • 2007-03-08
    • Whitlock, Michael, Paul
    • Whitlock, Michael, Paul
    • G06F21/20
    • G06F21/34G06F21/31H04L63/0428
    • A networked computer system comprises a network that includes a server, and at least one client authorised for communication with that server, at which client data may be input into the system. Each such client has a memory storing a table containing a plurality of code words. The client is also provided with an encryption engine adapted to encrypt the input data using code words from the table to provide packets of data to be transmitted via the network to the server. Each packet is encrypted using a code word selected for that packet or for a train of such packets from the table. The server includes a decryption engine adapted to decrypt data packages received by the server for processing by the server. A table of code words is stored at the server, the table including all code words associated with all clients authorised for communication with the server. The decryption engine identifies from each data package received by the server whether the particular package was encoded using a code word present in the table and, if so, decrypts the package using the particular code word. Each client preferably comprises a data input station having a station code associated therewith, and each said user of the system has a user code required for logging into the system. Each client encryption engine is then arranged to combine and encrypt the station code and the user code when a user logs into the system at a particular station to provide an encrypted log-on signal. The data input station transmits the encrypted log-on signal to the server. The decryption engine of the server is linked to an access controller, and includes a memory storing a table of permitted combinations of station code and user code. The decryption engine decrypts received encoded log-on signals and configures the access controller to allow access from a particular data input station to, and manipulation of data in, the data processor only when the decrypted log-on signal corresponds to a permitted such combination.