公开(公告)号：US5535337A

公开(公告)日：1996-07-09

申请号：US994672

申请日：1992-12-22

申请人： Thomas C. Hogan ,  Peter K. Williams

发明人： Thomas C. Hogan ,  Peter K. Williams

IPC分类号： H04L12/42 ,  H04L12/433 ,  H01J13/00

CPC分类号： H04L12/422 ,  H04L12/433

摘要： A token ring concentrator port circuit including an upstream data node, a downstream data node, a station receiver node, a station transmitter node, a path switch configured to selectively either connect the upstream data node directly to the downstream data node or connect the station receiver and transmitter nodes between the upstream and downstream data nodes, and a timing recovery circuit including a phase locked loop that derives a recovered clock from data from a station connected to the station receiver and transmitter nodes and reclocks the data with the recovered clock before transmitting the data to the downstream data node, the phase locked loop including a constant gain phase detector, the timing recovery circuit including a frequency limiting circuit, the port circuit components being implemented in a common integrated circuit.

摘要翻译： 令牌环集中器端口电路，包括上游数据节点，下游数据节点，站接收器节点，站发射机节点，路径交换机，被配置为选择性地将上游数据节点直接连接到下游数据节点或连接站接收机 和上游和下游数据节点之间的发射机节点，以及定时恢复电路，其包括锁相环，其从连接到站接收机和发射机节点的站的数据中导出恢复的时钟，并且在发送之前重新锁定具有恢复时钟的数据 数据到下游数据节点，锁相环包括恒定增益相位检测器，定时恢复电路包括频率限制电路，端口电路部件在公共集成电路中实现。

公开(公告)号：US08138838B2

公开(公告)日：2012-03-20

申请号：US12184693

申请日：2008-08-01

申请人： Thomas C. Hogan

发明人： Thomas C. Hogan

IPC分类号： H03F3/08

CPC分类号： H01J31/60

摘要： The present invention is directed to an electron beam crossbar switch for interconnection between communication units. The crossbar switch includes an array of electrically charged particle emitter source devices with an input connected to a slow wave structure coupled to the emitter source. An array of detectors is positioned relative to the array of emitter devices for receiving charged particles from various of the emitter devices. X and y deflection means are positioned adjacent each of the emitters for directing the charged particles from each of the emitters to at least one of the detectors to provide more signal output and a reduction in deflection accuracy.

摘要翻译： 本发明涉及用于在通信单元之间互连的电子束交叉开关。 交叉开关包括具有连接到耦合到发射源的慢波结构的输入的带电粒子发射源源装置的阵列。 检测器阵列相对于发射器装置阵列定位，用于接收来自各种发射器件的带电粒子。 X和Y偏转装置位于每个发射器附近，用于将来自每个发射器的带电粒子引导到至少一个检测器，以提供更多的信号输出和减小偏转精度。

公开(公告)号：US4639936A

公开(公告)日：1987-01-27

申请号：US579093

申请日：1984-02-10

申请人： Thomas C. Hogan ,  Arnold Adelman

发明人： Thomas C. Hogan ,  Arnold Adelman

IPC分类号： H04L25/06

CPC分类号： H04L25/06

摘要： The invention features a method and apparatus for improving data transmission in a transmission system having an analog signal transmitter directly connected along a transmission link to an analog signal receiver having a threshold element for detecting the signal. The invention features clamping voltages appearing at an input of the receiver symmetrically about a threshold value of the threshold element.

摘要翻译： 本发明的特征在于一种用于改进传输系统中的数据传输的方法和装置，该传输系统具有沿着传输链路直接连接到具有用于检测信号的阈值元件的模拟信号接收机的模拟信号发射器。 本发明的特征在于接收器的输入端出现的钳位电压对称地关于阈值元件的阈值。

公开(公告)号：US20120141127A1

公开(公告)日：2012-06-07

申请号：US13396384

申请日：2012-02-14

申请人： Thomas C. Hogan

发明人： Thomas C. Hogan

IPC分类号： H04J14/00

CPC分类号： H01J31/60

摘要： The present invention is directed to an electron beam crossbar switch for interconnection between communication units. The crossbar switch includes an array of electrically charged particle emitter source devices with an input connected to a slow wave structure coupled to the emitter source. An array of detectors is positioned relative to the array of emitter devices for receiving charged particles from various of the emitter devices. X and y deflection means are positioned adjacent each of the emitters for directing the charged particles from each of the emitters to at least one of the detectors to provide more signal output and a reduction in deflection accuracy.

摘要翻译： 本发明涉及用于在通信单元之间互连的电子束交叉开关。 交叉开关包括具有连接到耦合到发射源的慢波结构的输入的带电粒子发射源源装置的阵列。 检测器阵列相对于发射器装置阵列定位，用于接收来自各种发射器件的带电粒子。 X和Y偏转装置位于每个发射器附近，用于将来自每个发射器的带电粒子引导到至少一个检测器，以提供更多的信号输出和减小偏转精度。

公开(公告)号：US4594724A

公开(公告)日：1986-06-10

申请号：US579094

申请日：1984-02-10

申请人： Thomas C. Hogan

发明人： Thomas C. Hogan

IPC分类号： H01H9/54 ,  H04L12/42 ,  H04B1/38

CPC分类号： H04L12/42 ,  H01H9/542 ,  H01H9/548

摘要： An apparatus and method, for connecting a node to and disconnecting a node from a high speed data communications network, has a dead man switching element and high speed solid state switching circuitry interconnected therewith to avoid the effects of mechanical contact bounce normally associated with operation of the mechanical switching element. Thereby, massive data losses on high speed communications paths, and token loss in a token-passing ring network, are substantially avoided. The switch has the solid state switching circuitry connected both in parallel and in series with its mechanical contacts for providing node isolation and communications path bypass channels during the time that the mechanical switch bounce occurs. The alternate paths are maintained during a change of state of the mechanical device, that is, when the node is being connected or disconnected from the communications network.

摘要翻译： 用于将节点连接到高速数据通信网络并将节点与高速数据通信网络断开的装置和方法具有与其互连的死人开关元件和高速固态开关电路，以避免通常与操作相关的机械接触反弹的影响 机械开关元件。 因此，基本上避免了高速通信路径上的巨大数据丢失以及令牌传递环网络中的令牌丢失。 该开关具有并联连接的固态开关电路及其机械触点串联，以在发生机械开关跳变的时间期间提供节点隔离和通信路径旁路通道。 在机械设备的状态改变期间，即当节点与通信网络连接或断开连接时，备用路径被保持。

公开(公告)号：US4528661A

公开(公告)日：1985-07-09

申请号：US466110

申请日：1983-02-14

申请人： Richard G. Bahr ,  Thomas C. Hogan

发明人： Richard G. Bahr ,  Thomas C. Hogan

IPC分类号： H04L29/08 ,  H04L12/42 ,  H04J3/00

CPC分类号： H04L12/422

摘要： A communications network including a plurality of terminals coupled together to provide a unidirectional communications ring. Each of the terminals is adapted to transmit (at an associated fixed data rate) a digital signal to the next downstream terminal on the ring. Each terminal is adapted to receive a digital signal at the data rate associated with the next upstream terminal. In each local terminal, there is a detector for detecting the received synchronization packets and associated data packets are generated for transmission to the next downstream terminal on the ring at a predetermined fixed data rate associated with the local terminal. The data of each transmitted data packet matches bit for bit the data of the corresponding received data packet. The number of bits in the transmit synchronization packet differs from the number of bits in the associated received synchronization packet in a manner so that the data rate for the composite packet formed by the transmitted data packet and associated synchronization data packet corresponds to the transmit data rate for the terminal. The difference varies between predetermined minimum and maximum limits, and may be zero for two terminals having substantially the same transient bit rate.

摘要翻译： 一种通信网络，包括耦合在一起以提供单向通信环的多个终端。 每个终端适于将数字信号（以相关联的固定数据速率）发送到环上的下一个下游终端。 每个终端适于以与下一个上游终端相关联的数据速率接收数字信号。 在每个本地终端中，存在用于检测接收到的同步分组的检测器，并且生成相关联的数据分组，以与本地终端相关联的预定固定数据速率传输到环上的下一个下游终端。 每个发送的数据分组的数据将相应的接收数据分组的数据的位与比特相匹配。 发送同步分组中的比特数不同于相关联的接收的同步分组中的比特数，使得由所发送的数据分组和相关联的同步数据分组形成的合成分组的数据速率对应于发送数据速率 为终端。 该差异在预定的最小和最大限制之间变化，并且对于具有基本相同的瞬时比特率的两个终端可以为零。

公开(公告)号：US08541961B2

公开(公告)日：2013-09-24

申请号：US13396384

申请日：2012-02-14

申请人： Thomas C. Hogan

发明人： Thomas C. Hogan

IPC分类号： G09G1/04

CPC分类号： H01J31/60

摘要： The present invention is directed to an electron beam crossbar switch for interconnection between communication units. The crossbar switch includes an array of electrically charged particle emitter source devices with an input connected to a slow wave structure coupled to the emitter source. An array of detectors is positioned relative to the array of emitter devices for receiving charged particles from various of the emitter devices. X and y deflection means are positioned adjacent each of the emitters for directing the charged particles from each of the emitters to at least one of the detectors to provide more signal output and a reduction in deflection accuracy.

摘要翻译： 本发明涉及用于在通信单元之间互连的电子束交叉开关。 交叉开关包括具有连接到耦合到发射源的慢波结构的输入的带电粒子发射源源装置的阵列。 检测器阵列相对于发射器装置阵列定位，用于接收来自各种发射器件的带电粒子。 X和Y偏转装置位于每个发射器附近，用于将来自每个发射器的带电粒子引导到至少一个检测器，以提供更多的信号输出和减小偏转精度。

公开(公告)号：US20100012865A1

公开(公告)日：2010-01-21

申请号：US12184693

申请日：2008-08-01

申请人： Thomas C. Hogan

发明人： Thomas C. Hogan

IPC分类号： H01J99/00

CPC分类号： H01J31/60

摘要： The present invention is directed to an electron beam crossbar switch for interconnection between communication units. The crossbar switch includes an array of electrically charged particle emitter source devices with an input connected to a slow wave structure coupled to the emitter source. An array of detectors is positioned relative to the array of emitter devices for receiving charged particles from various of the emitter devices. X and y deflection means are positioned adjacent each of the emitters for directing the charged particles from each of the emitters to at least one of the detectors to provide more signal output and a reduction in deflection accuracy.

摘要翻译： 本发明涉及用于在通信单元之间互连的电子束交叉开关。 交叉开关包括具有连接到耦合到发射源的慢波结构的输入的带电粒子发射源源装置的阵列。 检测器阵列相对于发射器装置阵列定位，用于接收来自各种发射器件的带电粒子。 X和Y偏转装置位于每个发射器附近，用于将来自每个发射器的带电粒子引导到至少一个检测器，以提供更多的信号输出和减小偏转精度。

公开(公告)号：US4536876A

公开(公告)日：1985-08-20

申请号：US579088

申请日：1984-02-10

申请人： Richard G. Bahr ,  Thomas C. Hogan

发明人： Richard G. Bahr ,  Thomas C. Hogan

IPC分类号： H04J3/06 ,  H04L7/033 ,  H04L7/04 ,  H04L12/42 ,  H04J3/00

CPC分类号： H04L12/422 ,  H04J3/0685 ,  H04L7/0337 ,  H04L7/046

摘要： A communications network including a plurality of terminals coupled together to provide a unidirectional communications ring. Each of the terminals is coupled in series along the ring. Each terminal is adapted to transmit (at an associated data rate) a digital signal to the next downstream terminal on the ring. Each terminal is adapted to receive a digital signal at the data rate associated with the next upstream terminal. The received digital signal is applied to a phase locked loop characterized by a hold time which exceeds its lock time. The phase locked loop extracts a local timing signal for re-clocking the received digital signal. The transmission time of N bits is less than the hold time of the phase locked loop. Each terminal monitors the re-clocked signal to identify when same valued consecutive bits are received for a period less than the phase locked loop hold time, and upon such detection to cause that terminal to generate at least one transition.

摘要翻译： 一种通信网络，包括耦合在一起以提供单向通信环的多个终端。 每个端子沿着环串联耦合。 每个终端适于将数字信号（以相关联的数据速率）发送到环上的下一个下游终端。 每个终端适于以与下一个上游终端相关联的数据速率接收数字信号。 接收的数字信号被施加到锁相环，其特征在于超过其锁定时间的保持时间。 锁相环提取本地定时信号，用于对所接收的数字信号进行重新计时。 N位的传输时间小于锁相环的保持时间。 每个终端监视重新计时的信号，以便在小于锁相环保持时间的时间段内接收相同值的连续比特，并且在这种检测时，使该终端产生至少一个转换。