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    • 4. 发明授权
    • System and method for a multi-host subscriber loop
    • 用于多主机用户回路的系统和方法
    • US5881059A
    • 1999-03-09
    • US652157
    • 1996-05-23
    • Stephen A. DeschaineRichard L. HoweEdward P. TraupmanStephen R. Mallinson
    • Stephen A. DeschaineRichard L. HoweEdward P. TraupmanStephen R. Mallinson
    • H04Q3/60H04Q11/04H04B7/212
    • H04Q11/0421H04Q3/60
    • A multi-host subscriber loop (10, 70) includes N central office terminals (22-26, 78) coupled to a local exchange (20, 76), where one of the N central office terminals (22, 110) is directly coupled to all other central office terminals (24-26, 112-114). M remote terminals (40-46, 100-104) are coupled to a plurality of telephone service subscribers. A single network facility (16, 76) is coupled between the M remote terminals and N central office terminals. The single network facility concentrates subscriber traffic, control information and associated signaling onto one message structure (60, 140). Messages in this message structure are transmitted between the remote terminals and central office terminals. The message structure includes a plurality of time slots, a first predetermined number of the time slots being allocated to N control channels, at least one time slot being allocated to associated signaling, and remaining time slots being allocated to subscriber traffic.
    • 多主机用户环路(10,70)包括耦合到本地交换机(20,76)的N个中心局终端(22-26,78),其中N个中心局终端(22,110)中的一个直接耦合 到所有其他中心局终端(24-26,112-114)。 M个远程终端(40-46,100-104)耦合到多个电话服务用户。 单个网络设备(16,76)耦合在M个远程终端和N个中心局终端之间。 单个网络设施将用户业务,控制信息和相关联的信令集中到一个消息结构上(60,140)。 该消息结构中的消息在远程终端和中心局终端之间传输。 消息结构包括多个时隙,第一预定数量的时隙被分配给N个控制信道,至少一个时隙被分配给相关联的信令,并且剩余的时隙被分配给用户业务。
    • 5. 发明授权
    • System and method for a multi-host subscriber loop
    • 用于多主机用户回路的系统和方法
    • US06320856B1
    • 2001-11-20
    • US09264595
    • 1999-03-08
    • Stephen A. DeschaineRichard L. HoweEdward P. TraupmanStephen R. Mallinson
    • Stephen A. DeschaineRichard L. HoweEdward P. TraupmanStephen R. Mallinson
    • H04B7212
    • H04Q11/0421H04Q3/60
    • A multi-host subscriber loop (10, 70) includes N central office terminals (22-26, 78) coupled to a local exchange (20, 76), where one of the N central office terminals (22, 110) is directly coupled to all other central office terminals (24-26, 112-114). M remote terminals (40-46, 100-104) are coupled to a plurality of telephone service subscribers. A single network facility (16, 76) is coupled between the M remote terminals and N central office terminals. The single network facility concentrates subscriber traffic, control information and associated signaling onto one message structure (60, 140). Messages in this message structure are transmitted between the remote terminals and central office terminals. The message structure includes a plurality of time slots, a first predetermined number of the time slots being allocated to N control channels, at least one time slot being allocated to associated signaling, and remaining time slots being allocated to subscriber traffic.
    • 多主机用户环路(10,70)包括耦合到本地交换机(20,76)的N个中心局终端(22-26,78),其中N个中心局终端(22,110)中的一个直接耦合 到所有其他中心局终端(24-26,112-114)。 M个远程终端(40-46,100-104)耦合到多个电话服务用户。 单个网络设备(16,76)耦合在M个远程终端和N个中心局终端之间。 单个网络设施将用户业务,控制信息和相关联的信令集中到一个消息结构上(60,140)。 该消息结构中的消息在远程终端和中心局终端之间传输。 消息结构包括多个时隙,第一预定数量的时隙被分配给N个控制信道,至少一个时隙被分配给相关联的信令,并且剩余的时隙被分配给用户业务。
    • 7. 发明授权
    • Optical switch
    • 光开关
    • US4969717A
    • 1990-11-13
    • US303662
    • 1989-01-23
    • Stephen R. Mallinson
    • Stephen R. Mallinson
    • G02F1/1347G02F1/31
    • G02F1/31
    • An optical switch includes a series of 2(n-1) macro-cells each having a variable polarization rotating cell and a birefringent cell. Each rotating cell is divided into individually addressable and switchable sub-cells. Some of the macro-cells have birefringent cells having a first orientation. In these macro-cells, sub-cells switch light passing through position Pi to either position Pi or Pi+1 of the rotating cell of the next macro-cell in the series. Other macro-cells have birefringent cells having a second orientation. In these macro-cells, the sub-cells switch light passing through position Pi to either position Pi or Pi-1 of the rotating cell of the next macro-cell in the series. The sub-cells of the macro-cells are positioned such that light from any one of several inputs is switchable independently to any one of several outputs.
    • PCT No.PCT / GB88 / 00438 Sec。 371日期1989年1月23日 102(e)日期1989年1月23日PCT提交1988年6月3日PCT公布。 第WO88 / 09951号公报 日期为1988年12月15日。光开关包括一系列具有可变偏振旋转单元和双折射单元的2(n-1)个宏单元。 每个旋转单元被分成单独的可寻址和可切换的子单元。 一些宏单元具有具有第一取向的双折射单元。 在这些宏单元中,子单元将通过位置Pi的光切换到串联中的下一宏单元的旋转单元的位置Pi或Pi + 1。 其他宏单元具有具有第二取向的双折射单元。 在这些宏单元中,子单元将通过位置Pi的光切换到串联中的下一宏单元的旋转单元的位置Pi或Pi-1。 宏单元的子单元被定位成使得来自多个输入中的任一个的光可以独立地切换到多个输出中的任何一个。