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41. 发明申请

US20060139167A1 Object positioning system, object positioning apparatus and object positioning method 审中-公开
标题翻译：物体定位系统，物体定位装置和物体定位方法
公开(公告)号：US20060139167A1
公开(公告)日：2006-06-29
申请号：US10538564
申请日：2003-12-09
申请人： Alan Davie , David Simons
发明人： Alan Davie , David Simons
IPC分类号： G08B1/08 , G06Q30/00 , G08B13/14 , G08B5/22
CPC分类号： G01S13/878
摘要： An object positioning system (100) for tracking the location of an object (142) comprises a base station (120) including a computer (124) coupled to at least a first receiver (122). The object (142) is fitted with a tag (140) having a limited signal transmission range, which is typically too weak to be directly received by the first receiver (122). A user (180) wears a portable transceiver (160), which activates the base station (120) by means of an object-related signal when within reception range of the signal transmitted by the tag (140). The computer (124) determines the location of the portable transceiver (160) worn by the user (180), and associates this position with the position of the object (142). As soon as the user (180) moves outside the signal transmission range of the tag (140), the object-related signal is terminated and the last known position of the portable transceiver (160) is used as the new location of the object (142).
摘要翻译：用于跟踪对象（142）的位置的对象定位系统（100）包括基站（120），其包括耦合到至少第一接收机（122）的计算机（124）。对象（142）装配有具有有限信号传输范围的标签（140），该标签通常太弱而不能被第一接收器（122）直接接收。用户（180）佩戴便携式收发器（160），当在由标签（140）发送的信号的接收范围内时，便携式收发器（160）借助于对象相关信号来激活基站（120）。计算机（124）确定用户（180）佩戴的便携式收发器（160）的位置，并将该位置与对象（142）的位置相关联。一旦用户（180）移动到标签（140）的信号传输范围之外，则终止对象相关信号，并且将便携式收发器（160）的最后已知位置用作对象的新位置（ 142）。

42. 发明申请

US20050015492A1 Method and system for distributing load by redirecting traffic 有权
标题翻译：通过重定向流量分配负载的方法和系统
公开(公告)号：US20050015492A1
公开(公告)日：2005-01-20
申请号：US10606999
申请日：2003-06-26
申请人： Vishwajith Kumbalimutt , David Simons , Robert Brown , Elena Apreutesei
发明人： Vishwajith Kumbalimutt , David Simons , Robert Brown , Elena Apreutesei
IPC分类号： G06F15/173 , H04L29/06 , H04L29/08
CPC分类号： H04L67/28 , H04L63/08 , H04L67/1002 , H04L67/1006 , H04L67/1025 , H04L67/1034 , H04L67/42
摘要： Disclosed is a system for servers to redirect client requests to other servers in order to distribute client traffic among the servers. A client is assigned to a server although the client may be unaware of that assignment. When the client accesses a server, a server possibly identified to the client by a name service, the server checks the client's assignment. If the client is not assigned to this server, then in some scenarios this server redirects the client to its assigned server. The client responds by sending its request to the assigned server. In other scenarios, the first server accessed by the client proxies the client's traffic to the assigned server. A database is kept of client-to-server assignments. If the present load distribution is less than ideal (e.g., clients are assigned to an unavailable server), then the assignment database is updated to reflect how the load should be distributed.
摘要翻译：公开了一种用于服务器的系统，用于将客户端请求重定向到其他服务器，以便在服务器之间分发客户端流量。客户端被分配给服务器，尽管客户端可能不知道该分配。当客户端访问服务器时，可能通过名称服务识别给客户端的服务器，服务器检查客户端的分配。如果客户端未分配给此服务器，那么在某些情况下，此服务器将客户端重定向到其分配的服务器。客户端通过将其请求发送到分配的服务器进行响应。在其他情况下，客户端访问的第一台服务器会将客户端的流量代理到分配的服务器。客户端到服务器分配的数据库被保留。如果当前的负载分布不理想（例如，客户端被分配给不可用的服务器），则更新分配数据库以反映如何分布负载。

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