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    • 5. 发明申请
    • A SYSTEM AND A METHOD RELATING TO COMMUNICATION OF DATA
    • 一种与数据通信相关的系统和方法
    • WO2003069507A1
    • 2003-08-21
    • PCT/SE2003/000177
    • 2003-01-31
    • TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)SVANBRO, KristerLINDAHL, GötheJONSSON, ErikROSENQVIST, ErikWIKSTRAND, Greger
    • SVANBRO, KristerLINDAHL, GötheJONSSON, ErikROSENQVIST, ErikWIKSTRAND, Greger
    • G06F17/30
    • H04L12/1859G06F17/30902H04H20/40H04H60/27H04H60/73
    • The present inventions relates to a system for communication of data information, e.g. multimedia content, over a wireless network connecting a plurality of end user stations and supporting broadcast/multicast transmission.It comprises central server means with at least one central cache arrangement for storing at least selected parts of data information relevant for at least a segment of the wireless network, transmission scheduling means for transmission scheduling, central cache arrangement control means for, by using scheduling information, controlling a central cache arrangement push engine for multicast/broadcast pushing of information to end user stations within said at least one segment of the wireless network. The end user stations comprise or are associated with proprietary, local push content caching means for holding the pushed data information, and, upon request by the respective end user, selected data information may be presented to the end user in a customized manner via a user client from said local caching means.
    • 本发明涉及用于数据信息的通信的系统,例如, 多媒体内容,通过连接多个最终用户站的无线网络并支持广播/多播传输。其包括具有至少一个中央高速缓存装置的中央服务器装置,用于至少存储与至少一个段的相关的数据信息的至少一部分 无线网络,用于传输调度的传输调度装置,用于通过使用调度信息控制中央缓存布置推送引擎以用于多播/广播推送信息到所述无线网络的所述至少一个段内的终端用户站的中央缓存布置控制装置 。 最终用户站包括或者与专有的本地推送内容缓存装置相关联,用于保持推送的数据信息,并且在相应的最终用户请求时,所选择的数据信息可以经由用户以定制的方式呈现给最终用户 客户从本地缓存手段。
    • 6. 发明申请
    • DAMPING DEVICE FOR PERCUSSION DEVICE, PERCUSSION DEVICE AND DRILLING MACHINE
    • 用于冲击装置,冲击装置和钻孔机的阻尼装置
    • WO2010082871A1
    • 2010-07-22
    • PCT/SE2009/000508
    • 2009-12-04
    • ATLAS COPCO ROCK DRILLS ABJONSSON, ErikLARSSON, FredrikGUSTAVSSON, DanielWALLIN, Jakob
    • JONSSON, ErikLARSSON, FredrikGUSTAVSSON, DanielWALLIN, Jakob
    • B25D17/24B25D9/14E21B1/38
    • B25D17/245B25D17/06
    • Damping device for a percussion device with a striking direction (R), including a damping piston (8) for action in an axial direction against a tool to be driven of the percussion device, wherein the damping piston (8) has a piston portion (6), which is received inside a damping chamber (7), whereto a supply conduit (14) for pressure fluid and an accumulator (13) are connected, and wherein a return channel is connected to the damping chamber. The accumulator (13) is connected to the damping chamber (7) over a non return valve (12), which is arranged for allowing flow in the direction toward the damping chamber, and at least one choking device (16, 20) in at least one choking channel is arranged for choking pressure liquid flowing out from the damping chamber (7) as a response to movement of the damping piston in a direction opposite to the striking direction (R).
    • 具有撞击方向(R)的冲击装置的阻尼装置,包括阻尼活塞(8),所述阻尼活塞(8)沿轴向作用于相对于所述冲击装置驱动的工具,其中所述阻尼活塞(8)具有活塞部分 6),其被接纳在阻尼室(7)内,连接有用于压力流体的供应管道(14)和蓄能器(13),并且其中返回通道连接到阻尼室。 蓄能器(13)通过非止回阀(12)连接到阻尼室(7),该止回阀被布置成允许沿朝向阻尼室的方向流动,并且至少一个阻塞室(16,20)处于 布置了至少一个阻塞通道,用于响应于与撞击方向(R)相反的方向的阻尼活塞的运动,阻尼从阻尼室(7)流出的压力液体。