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公开(公告)号：US20140326574A1
公开(公告)日：2014-11-06
申请号：US14243619
申请日：2014-04-02
申请人： Conrad Kalitta , Steven Brewer
发明人： Conrad Kalitta , Steven Brewer
IPC分类号： B65G13/00
CPC分类号： B65G39/025 , B64D9/00 , B64D2009/006 , B65G39/12
摘要： A ball transfer unit for use in association with installed trays in vehicle cargo bays. Ball transfer unit is a modular unit that includes a larger main roller ball, a semi-spherical housing for holding the larger main roller ball, a plurality of smaller roller balls interposed between the housing and the main roller ball and a unitary cover affixed to the housing for securing the various ball elements in relation to the housing and cover. The large roller ball protrudes partially through the cover, and the cover is designed to discourage the ingress of water and contaminants from entering the housing.
摘要翻译： 用于与车辆货物托架中的安装的托盘结合使用的球传送单元。 球传送单元是一个模块化单元，其包括较大的主滚珠球，用于保持较大主滚珠球的半球形壳体，插入壳体和主滚珠球之间的多个较小的滚珠球，以及固定到主滚珠球的整体盖 壳体，用于相对于壳体和盖子固定各种球形元件。 大的滚珠球部分地突出穿过盖子，并且盖被设计成阻止水和污染物进入壳体的入口。
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2.发明授权Monitoring of connection between network devices in a packet-based communication system 有权监控基于分组的通信系统中网络设备之间的连接公开(公告)号：US06603741B1
公开(公告)日：2003-08-05
申请号：US09373231
申请日：1999-08-12
申请人： Alan R Poulter , David J Law , Paul Cramphorn , Steven Brewer , Patrick M Overs
发明人： Alan R Poulter , David J Law , Paul Cramphorn , Steven Brewer , Patrick M Overs
IPC分类号： H04J314
CPC分类号： H04L43/16 , H04L1/0002 , H04L5/1446 , H04L29/06 , H04L43/00 , H04L43/0811 , H04L43/0847 , H04L49/55 , H04L69/24 , H04L69/324 , Y02D50/10
摘要： The invention concerns the establishment of the rate of transmission of data between two network stations by means of auto-negotiation. The execution of an auto-negotiation sequence by a state machine is counted and if the number of executions of the sequence exceeds a threshold, the auto-negotiation sequence is modified to establish a data rate lower than a previously negotiated rate. A particular example is described for use in accordance with IEEE standard 802.3. In a specific example, monitoring of the execution of the auto-negotiation sequence comprises counting the occurrences of a ‘page received’ bit in an auto-negotiation expansion register.
摘要翻译： 本发明涉及通过自动协商建立两个网络站之间的数据传输速率。 对状态机执行自动协商序列进行计数，并且如果序列的执行次数超过阈值，则修改自动协商序列以建立低于先前协商的速率的数据速率。 描述了根据IEEE标准802.3使用的特定示例。 在具体示例中，监视自动协商序列的执行包括对自动协商扩展寄存器中的“页面接收”位的出现进行计数。
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公开(公告)号：US06330245B1
公开(公告)日：2001-12-11
申请号：US09207655
申请日：1998-12-09
IPC分类号： H04L1242
CPC分类号： H04L12/433
摘要： A data network hub unit is stackable with other such units to constitute a hub in which each of the units can supply data packets to network data destinations and receive data packets from network data sources, and to form a closed data transmission ring which enables packets received at any unit to be transmitted from any other unit. The hub unit includes arbitration control means responsive to packet headers circulating on said ring. The arbitration control means is operative: (i) when the hub unit acts a master unit to supply data packets, to modify data packets to provide them each with an arbitration header which includes a grant field, a request priority field, capable of indicating various different level of priority, and a grant priority field; (ii) when the hub unit is acting as the master unit and has no more data packets to supply to the ring, to respond to an arbitration header which has a set priority field by setting the grant field and setting the grant priority field; (iii) when the hub unit is not the master unit but has data packets to place on the ring, to respond to arbitration headers by setting a priority field; and (iv) when the hub unit is not the master unit but has data packets to send, to respond to an arbitration header which has the grant field set and a grant priority field indicating a priority level corresponding to the priority requested by this unit to become the master unit.
摘要翻译： 数据网络集线器单元可以与其他这样的单元堆叠以构成集线器，其中每个单元可以向网络数据目的地提供数据分组，并从网络数据源接收数据分组，并形成一个封闭的数据传输环，使得能够接收分组 在任何单位从任何其他单位传输。 集线器单元包括响应于在所述环上循环的分组报头的仲裁控制装置。 仲裁控制装置是可操作的：（i）当集线器单元作为主单元提供数据分组时，修改数据分组以向它们提供包括准许字段的仲裁报头，请求优先级字段，能够指示各种 不同级别的优先级和授权优先级字段; （ii）当集线器单元充当主单元并且没有更多数据分组提供给环时，通过设置授权字段并设置授权优先级字段来响应具有设置优先级字段的仲裁报头; （iii）当集线器单元不是主单元，但是具有放置在环上的数据分组时，通过设置优先级字段来响应仲裁报头; 以及（iv）当集线器单元不是主单元而是具有要发送的数据分组时，响应具有授权字段集的仲裁报头以及指示与该单元请求的优先级相对应的优先级的授权优先级字段 成为主机。
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公开(公告)号：US09238551B2
公开(公告)日：2016-01-19
申请号：US14243619
申请日：2014-04-02
申请人： Conrad Kalitta , Steven Brewer
发明人： Conrad Kalitta , Steven Brewer
CPC分类号： B65G39/025 , B64D9/00 , B64D2009/006 , B65G39/12
摘要： A ball transfer unit for use in association with installed trays in vehicle cargo bays. Ball transfer unit is a modular unit that includes a larger main roller ball, a semi-spherical housing for holding the larger main roller ball, a plurality of smaller roller balls interposed between the housing and the main roller ball and a unitary cover affixed to the housing for securing the various ball elements in relation to the housing and cover. The large roller ball protrudes partially through the cover, and the cover is designed to discourage the ingress of water and contaminants from entering the housing.
摘要翻译： 用于与车辆货物托架中的安装的托盘结合使用的球传送单元。 球传送单元是一个模块化单元，其包括较大的主滚珠球，用于保持较大主滚珠球的半球形壳体，插入壳体和主滚珠球之间的多个较小的滚珠球，以及固定到主滚珠球的整体盖 壳体，用于相对于壳体和盖子固定各种球形元件。 大的滚珠球部分地突出穿过盖子，并且盖被设计成阻止水和污染物进入壳体的入口。
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