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    Packet handling method
    1.
    发明授权
    Packet handling method 失效
    数据包处理方法

    公开(公告)号：US5517500A

    公开(公告)日：1996-05-14

    申请号：US165784

    申请日：1993-06-21

    申请人： Richard E. White ,  Dale R. Buchhlz ,  Thomas A. Freeburg ,  Lisa B. Johanson

    发明人： Richard E. White ,  Dale R. Buchhlz ,  Thomas A. Freeburg ,  Lisa B. Johanson

    IPC分类号： G06F13/42 ,  H04B1/16 ,  H04B1/38 ,  H04L12/56 ,  H04L12/64 ,  H04M1/73 ,  H04W92/02 ,  H04L12/40

    CPC分类号： H04W92/02 ,  G06F13/423 ,  H04B1/1615 ,  H04B1/38 ,  H04J3/0697 ,  H04L12/56 ,  H04L12/64 ,  H04L12/6402 ,  H04W52/0245

    摘要： An improved network interface architecture for a packet switch provides for the combination of both voice and data in a single switch using a common packet structure. It allows for the dynamic allocation of bandwidth based on system loading. This includes not only bandwidth within the voice or data areas of the frame, but also between the voice and data portions. The network interface (NI) provides a method (the NI-Bus) or passing all packets through the Network Interface or allowing the packet devices to directly transfer packets between one another. The bandwidth allocation can easily be changed because the control and data memories are synchronized to one another. The network interface architecture, according to the invention, allows for the data packets and the control of bandwidth allocation to be controlled by a single switching device. It synchronizes the transfer of the data and the allocation of bus bandwidth. The control of the packet devices can be controlled at a very high bit rate such as, for example, 40 Mbps. It also allows packet devices to directly transfer packets. It allows for easy re-allocation of bandwidth through the use of the NI Base Registers.

    摘要翻译： 用于分组交换机的改进的网络接口架构使用公共分组结构在单个交换机中提供语音和数据的组合。 它允许基于系统加载的带宽的动态分配。 这不仅包括帧的语音或数据区域内的带宽，还包括语音和数据部分之间的带宽。 网络接口（NI）提供了一种方法（NI-Bus）或通过网络接口传递所有数据包，或者允许数据包设备之间直接传输数据包。 带宽分配可以容易地改变，因为控制和数据存储器彼此同步。 根据本发明的网络接口架构允许数据分组和带宽分配的控制由单个交换设备控制。 它同步数据的传输和总线带宽的分配。 可以以非常高的比特率（例如40Mbps）来控制分组设备的控制。 它还允许数据包设备直接传输数据包。 它允许通过使用NI基本寄存器轻松重新分配带宽。

    Network interface architecture for a packet switch communication system
    2.
    发明授权
    Network interface architecture for a packet switch communication system 失效
    分组交换机通信系统的网络接口架构

    公开(公告)号：US5524007A

    公开(公告)日：1996-06-04

    申请号：US165718

    申请日：1993-12-13

    申请人： Richard E. White ,  Dale R. Buchholz ,  Thomas A. Freeburg ,  Lisa B. Johanson

    发明人： Richard E. White ,  Dale R. Buchholz ,  Thomas A. Freeburg ,  Lisa B. Johanson

    IPC分类号： G06F13/42 ,  H04B1/16 ,  H04B1/38 ,  H04L12/56 ,  H04L12/64 ,  H04M1/73 ,  H04W92/02 ,  H04L12/40

    CPC分类号： H04W92/02 ,  G06F13/423 ,  H04B1/1615 ,  H04B1/38 ,  H04J3/0697 ,  H04L12/56 ,  H04L12/64 ,  H04L12/6402 ,  H04W52/0245

    摘要： An improved network interface architecture for a packet switch provides for the combination of both voice and data in a single switch using a common packet structure. It allows for the dynamic allocation of bandwidth based on system loading. This includes not only bandwidth within the voice or data areas of the frame, but also between the voice and data portions. The network interface (NI) provides a mechanism (the NI-Bus) of passing all packets through the Network Interface or allowing the packet devices to directly transfer packets between one another. The bandwidth allocation can easily be changed because the control and data memories are synchronized to one another. The network interface architecture, according to the invention, allows for the data packets and the control of bandwidth allocation to be controlled by a single switching device. It synchronizes the transfer of the data and the allocation of bus bandwidth. The control of the packet devices can be controlled at a very high bit rate such as, for example, 40 Mbps. It also allows packet devices to directly transfer packets. It allows for easy re-allocation of bandwidth through the use of the NI Base Registers.

    摘要翻译： 用于分组交换机的改进的网络接口架构使用公共分组结构在单个交换机中提供语音和数据的组合。 它允许基于系统加载的带宽的动态分配。 这不仅包括帧的语音或数据区域内的带宽，还包括语音和数据部分之间的带宽。 网络接口（NI）提供了通过网络接口传递所有数据包或允许数据包设备在彼此之间直接传输数据包的机制（NI-Bus）。 带宽分配可以容易地改变，因为控制和数据存储器彼此同步。 根据本发明的网络接口架构允许数据分组和带宽分配的控制由单个交换设备控制。 它同步数据的传输和总线带宽的分配。 可以以非常高的比特率（例如40Mbps）来控制分组设备的控制。 它还允许数据包设备直接传输数据包。 它允许通过使用NI基本寄存器轻松重新分配带宽。

    Wireless in-building telecommunications system for voice and data communications
    4.
    发明授权
    Wireless in-building telecommunications system for voice and data communications 失效
    用于语音和数据通信的无线建筑内电信系统

    公开(公告)号：US5475681A

    公开(公告)日：1995-12-12

    申请号：US166194

    申请日：1994-01-31

    申请人： Richard E. White ,  Thomas A. Freeburg ,  James J. Berken ,  Roy T. Ogasawara ,  James E. Mitzlaff ,  Gregory J. Bedlek

    发明人： Richard E. White ,  Thomas A. Freeburg ,  James J. Berken ,  Roy T. Ogasawara ,  James E. Mitzlaff ,  Gregory J. Bedlek

    IPC分类号： G06F13/42 ,  H04B1/16 ,  H04B1/38 ,  H04L12/56 ,  H04L12/64 ,  H04M1/73 ,  H04W92/02 ,  H04B7/15 ,  H04L12/403

    CPC分类号： H04W92/02 ,  G06F13/423 ,  H04B1/1615 ,  H04B1/38 ,  H04L12/56 ,  H04L12/64 ,  H04L12/6402 ,  H04W52/0245

    摘要： An improved network interface architecture for a packet switch provides a mechanism for handling voice and data packets. Bandwidth allocation can be changed because control and data memories are synchronized to one another. A hierarchical addressing technique is employed to enhance flexibility in handling packet information. This method permits packet message data and certain packet control data to be stored in memory locations without having to be duplicated at a different memory location prior to transmission of the packet. In an exemplary wireless TDMA packet network a control module (CM) sends a time stamp relative to the beginning of its frame in a synchronization packet allowing each of a plurality of user modules (UM) to maintain synchronization relative to the CM. The CM uses a plurality of directional antennas and transmits the synchronization packets over each antenna over a predetermined number of frames. The UMs use a receive time stamp to identify the beginning of a received synchronization packet. The difference between the time stamps combined with a delay constant is used by the UMs to adjust time synchronization to the CM frame. Packets are communicated between the controller and the peripherals at the UM and CM over a bus using a communication protocol which increases the efficiencies of packet communications by allowing additional direct command lines between the communications controller and peripherals.

    摘要翻译： 用于分组交换机的改进的网络接口架构提供了用于处理语音和数据分组的机制。 可以改变带宽分配，因为控制和数据存储器彼此同步。 采用分层寻址技术来提高处理分组信息的灵活性。 该方法允许分组消息数据和某些分组控制数据存储在存储器位置中，而不必在传输分组之前在不同的存储器位置被复制。 在示例性无线TDMA分组网络中，控制模块（CM）在同步分组中相对于其帧的开始发送时间戳，允许多个用户模块（UM）中的每一个相对于CM保持同步。 CM使用多个定向天线，并在预定数量的帧上通过每个天线发送同步分组。 UM使用接收时间戳来识别接收到的同步分组的开始。 时间戳与延迟常数之间的差异由UM用于调整与CM帧的时间同步。 通过使用通信协议的通信协议，在UM和CM之间的控制器和外设之间通过总线传送数据包，通过允许通信控制器和外围设备之间的附加直接命令行来提高数据包通信的效率。

    Encryption apparatus
    7.
    发明授权
    Encryption apparatus 失效
    加密装置

    公开(公告)号：US5008938A

    公开(公告)日：1991-04-16

    申请号：US490900

    申请日：1990-03-09

    申请人： Thomas A. Freeburg ,  Richard E. White

    发明人： Thomas A. Freeburg ,  Richard E. White

    IPC分类号： H04L9/24 ,  H04L9/18

    CPC分类号： H04L9/065 ,  H04L2209/12

    摘要： An encryption circuit that operates with substantially zero delay. Using programmable keys and polynomials, the encryption algorithm can be constantly changed to thwart any unintended receiving parties from decoding the data. A key (101) and a polynomial (102) are loaded into registers. The key is then loaded into a shift register and shifted through XOR gates (106) at a programmable rate. The other input of the XOR gates come from the result of ANDing (103) a disable signal, the polynomial register (102), and the last stage of the shift register (104). Eight bits of the shift register outputs are XOR'ed with the input data to be encrypted. The output of these XOR gates (105) is the encrypted data.

    摘要翻译： 一种以大致零延迟运行的加密电路。 使用可编程键和多项式，可以不断更改加密算法以阻止任何非预期的接收方解码数据。 密钥（101）和多项式（102）被加载到寄存器中。 然后将密钥加载到移位寄存器中，并以可编程速率移位XOR门（106）。 XOR门的另一个输入来自于（103）禁用信号，多项式寄存器（102）和移位寄存器（104）的最后一级的结果。 移位寄存器输出的8位将与要加密的输入数据进行异或运算。 这些XOR门（105）的输出是加密数据。

    Asynchronous voice reconstruction for a digital communication system
    8.
    发明授权
    Asynchronous voice reconstruction for a digital communication system 失效
    用于数字通信系统的异步语音重建

    公开(公告)号：US5103467A

    公开(公告)日：1992-04-07

    申请号：US429599

    申请日：1989-10-31

    申请人： Greogory J. Bedlek ,  Richard E. White ,  Thomas A. Freeburg

    发明人： Greogory J. Bedlek ,  Richard E. White ,  Thomas A. Freeburg

    IPC分类号： G06F5/10 ,  H04J3/06 ,  H04L25/05

    CPC分类号： G06F5/10 ,  H04J3/0626 ,  H04L25/05 ,  G06F2205/062 ,  G06F2205/104

    摘要： A method and apparatus for performing the asynchronous reconstruction of a digital data stream is disclosed. An input data stream having an input rate, such as digitized speech, is stored in a circular buffer. Within the buffer, read and write marker positions are determined. Upon subsequent retrieval of the data stream at an output rate, data is taken from the position of the read marker each time data is written to the position of the write marker. Of importance, the read and write marker positions are determined such that they provide a delay greater than the difference between the input rate and the output rate over the length of the buffer. The data stream processing is then modified by ignoring at least some of the data stream when the input rate is faster than the output rate, and repeating at least some of the data stream when the input rate is slower than the output rate. In this manner a method of digitized voice reconstruction without reliance upon network synchronizatin is achieved.

    Roller latching and release mechanism for electrical switching apparatus
    10.
    发明授权
    Roller latching and release mechanism for electrical switching apparatus 失效
    用于电气开关设备的滚子闭锁和释放机构

    公开(公告)号：US5713459A

    公开(公告)日：1998-02-03

    申请号：US622714

    申请日：1996-03-26

    申请人： H. Richard Beck ,  Richard E. White ,  Kenneth M. Fischer ,  Roger W. Helms

    发明人： H. Richard Beck ,  Richard E. White ,  Kenneth M. Fischer ,  Roger W. Helms

    IPC分类号： H01H71/50 ,  H01H71/52 ,  H01H5/00

    CPC分类号： H01H71/505 ,  H01H2071/508 ,  H01H71/525

    摘要： A circuit breaker includes a housing; separable contacts moveable between closed and open positions; an operating mechanism, for moving the separable contacts between the closed and open positions, having a first latched position and a second unlatched position corresponding to the open position of the separable contacts, and including a pair of cradles pivotally supported about a pivot axis within the housing to pivot in a first pivotal direction to the first position of the operating mechanism and a second pivotal direction to the second position of the operating mechanism; a handle mechanism for moving the cradles in the first pivotal direction; a latch mechanism for latching the operating mechanism in the first position thereof and for releasing the operating mechanism to the second position thereof, including a latch plate pivotally supported within the housing having two opposing elongated openings, a roller pin cross member generally parallel to the cradle pivot axis supported by the latch plate at each of the openings, and a spring mechanism for biasing the cross member with respect to the cradles; and a trip mechanism cooperating with the latch mechanism for releasing the operating mechanism to the second position thereof. An arcuate reset surface of the cradles independently engages a corresponding end of the cross member when the operating mechanism is moved toward the first position thereof. The cross member engages a linear latch surface of the cradles for latching the operating mechanism in the first position thereof.

    摘要翻译： 断路器包括壳体; 可分离的触点可在闭合位置和打开位置之间移动; 操作机构，用于使所述可分离触点在所述闭合位置和打开位置之间移动，具有对应于所述可分离触点的打开位置的第一闩锁位置和第二解锁位置，并且包括一对支撑件， 壳体以第一枢转方向枢转到操作机构的第一位置，并且向操作机构的第二位置枢转第二枢转方向; 用于在第一枢转方向上移动托架的把手机构; 用于将操作机构锁定在其第一位置并用于将操作机构释放到其第二位置的闩锁机构，包括枢转地支撑在壳体内的闩锁板，具有两个相对的细长开口，大致平行于支架的滚子销横向构件 在每个开口处由闩锁板支撑的枢转轴线和用于相对于托架偏压横梁的弹簧机构; 以及与所述闩锁机构配合以将所述操作机构释放到其第二位置的脱扣机构。 当操作机构朝向其第一位置移动时，托架的弓形复位表面独立地接合横向构件的相应端部。 横向构件与托架的线性闩锁表面接合，用于将操作机构锁定在其第一位置。