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    • 3. 发明申请
    • METHOD AND APPARATUS FOR PROVIDING RINGBACK IN A TELECOMMUNICATIONS NETWORK
    • 用于在电信网络中提供环回的方法和设备
    • WO2007095226A3
    • 2007-10-04
    • PCT/US2007003771
    • 2007-02-12
    • LUCENT TECHNOLOGIES INCBATNI RAMACHENDRA PRAHLADASHARMA RANJAN
    • BATNI RAMACHENDRA PRAHLADASHARMA RANJAN
    • H04M3/42H04Q3/00
    • H04Q3/0029H04M3/42017H04M3/42059H04M3/4211H04M2203/2072H04Q2213/13152
    • A method of providing ringback in a telecommunications network (100) includes: receiving a call at a service switching point (114) for a called party (112) served by the service switching point (114), the call being from a calling party (122); encountering a trigger detection point (116) while engaging in a call setup for the call, the trigger detection point (116) being provisioned for the called party (112) at the service switching point (114); in response to encountering the trigger detection point (116), extending a first leg of the call to a service node (130) that provides ringback to the calling party (122); setting-up a second leg of the call between the service node (130) and the called party (112); bridging together the first and second legs of the call at the service switching point (114); and, removing the service node (130) from participation in the call after the first and second legs have been bridged together at the service switching point (114).
    • 一种在电信网络(100)中提供回铃的方法包括:在业务交换点(114)接收由业务交换点(114)服务的被叫方(112)的呼叫,该呼叫来自呼叫方( 122); 在参与呼叫的呼叫建立时遇到触发检测点(116),在服务交换点(114)为被叫方(112)提供触发检测点(116); 响应于遇到所述触发检测点(116),将所述呼叫的第一段延伸到向所述呼叫方(122)提供回铃的服务节点(130); 在服务节点(130)和被叫方(112)之间建立呼叫的第二支路; 在服务交换点(114)将呼叫的第一和第二支路桥接在一起; 以及在所述第一和第二支路已经在所述业务交换点(114)桥接在一起之后,移除所述业务节点(130)参与所述呼叫。
    • 9. 发明授权
    • Commutatorless direct current machine
    • 无换向直流电机
    • US4514653A
    • 1985-04-30
    • US593199
    • 1984-03-27
    • Prahlada R. Batni
    • Prahlada R. Batni
    • H02K31/00
    • H02K31/00
    • A commutatorless DC machine has axially oriented magnetic flux in the air gaps between interleaved stator and rotor disks, and the rotor disks carry one or more radially oriented armature winding elements consisting of electrical conductors serially interconnected in serpentine fashion and terminated at a pair of slip rings. The magnetic flux incident upon the two opposed planar surfaces of any one rotor disk are oppositely directed, producing electromotive forces or torques which are directly additive, resulting in heretofore unrealized electromechanical transducer action. A number of illustrative and preferred embodiments describe single or multiple rotor disk configurations, and further describe armature winding arrangements having various numbers of individual armature winding elements arranged in parallel between the slip rings. The resulting DC machines exhibit superior electrical and mechanical performance due to, among other factors, the absence of limitations imposed by commutation; they also may be designed for a wide range of electrical and mechanical requirements simply by the addition or deletion of disk sections and/or armature winding elements.
    • 无交换直流电机在交错的定子和转子盘之间的气隙中具有轴向定向的磁通量,并且转子盘承载一个或多个径向定向的电枢绕组元件,该电枢绕组元件由以蛇形方式串联连接并以一对滑环 。 入射到任何一个转子盘的两个相对的平面表面上的磁通量相反地指向,产生直接添加的电动势或转矩,导致迄今未实现的机电换能器作用。 一些示例性和优选实施例描述了单个或多个转子盘结构,并且进一步描述了具有在滑环之间并联布置的各种数量的各个电枢绕组元件的电枢绕组装置。 由于除了其他因素之外,由于没有由换向引起的限制,所得的DC电机表现出优异的电气和机械性能。 它们也可以通过添加或删除盘部分和/或电枢绕组元件而设计用于宽范围的电气和机械要求。