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1. 发明授权

US07103072B1 System and method for synchronization of devices across a packet network 有权
标题翻译：通过分组网络同步设备的系统和方法
公开(公告)号：US07103072B1
公开(公告)日：2006-09-05
申请号：US10326505
申请日：2002-12-19
申请人： William Sloan , Mark Rumer , Marcus Prewarski
发明人： William Sloan , Mark Rumer , Marcus Prewarski
IPC分类号： H04J3/06
CPC分类号： H04J3/0685
摘要： A local time of a broadband loop carrier terminal is synchronized to a network time received from a source external to the broadband loop carrier terminal by comparing the local time to the network time to generate an error offset, and adjusting the local time based on the error offset. The network time may be received in response to a Network Time Protocol (NTP) poll transmitted by the broadband loop carrier terminal. In some cases, the poll is transmitted over a communication medium using an asynchronous packet protocol, such as Ethernet or TCP/IP. In one embodiment, the local time is based on the output of a local oscillator (e.g., a voltage controlled oscillator), the frequency of which may be adjusted using control logic which uses a filtered version of the error offset along with a factory calibration and/or temperature compensation to produce a control voltage to control the oscillator frequency.
摘要翻译：通过将本地时间与网络时间进行比较以产生误差偏移，并且基于误差来调整本地时间，宽带环路载波终端的本地时间与从宽带环路载波终端外部的源接收的网络时间同步抵消。可以响应于宽带环路载波终端发送的网络时间协议（NTP）轮询来接收网络时间。在某些情况下，使用异步分组协议（例如以太网或TCP / IP）在通信介质上传输轮询。在一个实施例中，本地时间基于本地振荡器（例如，压控振荡器）的输出，其频率可以使用控制逻辑来调整，该控制逻辑使用误差偏移的滤波版本以及工厂校准， /或温度补偿产生控制电压来控制振荡器频率。

2. 发明授权

US06623186B2 Optical ethernet overlay for loop topology network 有权
公开(公告)号：US06623186B2
公开(公告)日：2003-09-23
申请号：US09844953
申请日：2001-04-26
申请人： Mark Rumer
发明人： Mark Rumer
IPC分类号： H04J1400
CPC分类号： H04J14/0293 , H04J14/0212 , H04J14/0226 , H04J14/0241 , H04J14/0283 , H04J2203/0042
摘要： A telecommunications network having a ring topology overlaid with an Ethernet. An add/drop multiplexer (ADM) employing wave division multiplexing (WDM) hardware is implemented at each node of a multi-node fiber-based network. The ADM contains a robust protection scheme for reliability. The WDM allows the data traffic of the incumbent network, for example, a SONET network, to be carried over one or more frequencies while the data traffic of one or more packet-based networks may be carried over one or more other frequencies. Each ADM has protection switches, for example, micro-electromechanical switches. The protection switches provide a no-load bypass capability. A failed node can be shunted from the ring, allowing the Ethernet data to bypass the node uninterrupted. The switches also provide a self-test capability. The ADM interfaces can be checked by coupling the receiving path and the transmission path. This allows the ADM transceivers to communicate with each other.

3. 发明授权

US06526211B2 Free space optical “backplane” (FSO) 有权
标题翻译：自由空间光学“背板”（FSO）
公开(公告)号：US06526211B2
公开(公告)日：2003-02-25
申请号：US09844896
申请日：2001-04-26
申请人： Mark Rumer , Ronald Jeffries
发明人： Mark Rumer , Ronald Jeffries
IPC分类号： G02B600
CPC分类号： G02B6/43 , G02B6/4245 , G02B6/4284
摘要： A system having a free space optical transmission capability for data and/or control interconnection is described. Switch cards, having corresponding pairs of laser transmitters and photodetectors are placed in a chassis, at each end, facing each other. Each laser transmitter/photodetector (LTPD) pair of one switch card is targeted to a corresponding photodetector/laser transmitter (PDLT) pair of the other. System line cards have a LTPD pair on one side and a PDLT pair on the other side. A line card is positioned in the chassis so that the LTPD pair is aligned with a corresponding PDLT pair on one switch card and the PDLT pair is aligned with a corresponding LTPD pair on the other switch card. The line card may, therefore, communicate with either switch card. The line cards contain apertures so that communication between other line cards and the switch cards is not obstructed.
摘要翻译：描述了一种具有用于数据和/或控制互连的自由空间光传输能力的系统。具有相应对的激光发射器和光电检测器的开关卡被放置在机架中，每个端部彼此面对。每个激光发射器/光电检测器（LTPD）对的一个开关卡针对另一个相应的光电检测器/激光发射器（PDLT）对。系统线卡在一侧有一个LTPD对，另一边有一个PDLT对。线卡位于机箱中，使LTPD对与一个开关卡上相应的PDLT对对准，PDLT对与另一个开关卡上的相应LTPD对对齐。因此，线卡可以与任一开关卡通信。线卡包含孔，使得其他线卡和开关卡之间的通信不被阻塞。

4. 发明授权

US07492761B1 Broadband loop carrier system 有权
标题翻译：宽带环路载波系统
公开(公告)号：US07492761B1
公开(公告)日：2009-02-17
申请号：US10109794
申请日：2002-03-29
申请人： Lisa Farr , Mark Rumer
发明人： Lisa Farr , Mark Rumer
IPC分类号： H04L12/28
CPC分类号： H04Q3/58 , H04L69/08 , H04L69/325 , H04Q3/0066 , H04Q2213/13196 , H04Q2213/13296 , H04Q2213/13332 , H04Q2213/13381
摘要： A method and apparatus for receiving data from a network subscriber, wherein the data conforms to multiple protocols, converting the data into packets that conform to a single protocol of a single layer of the Open System Interconnection Model, and propagating the packets across a network.
摘要翻译：一种用于从网络用户接收数据的方法和装置，其中所述数据符合多个协议，将所述数据转换为符合所述开放系统互连模型的单个层的单个协议并且通过网络传播所述分组的分组。

5. 发明授权

US5987034A ATM cells within frame relay technology 失效
标题翻译： ATM信元在帧中继技术中
公开(公告)号：US5987034A
公开(公告)日：1999-11-16
申请号：US705236
申请日：1996-08-30
申请人： Robert Simon , Mark Rumer , Robert A. Land , David E. Swanson
发明人： Robert Simon , Mark Rumer , Robert A. Land , David E. Swanson
IPC分类号： H04L12/56 , H04Q11/04
CPC分类号： H04Q11/0478 , H04L2012/5619 , H04L2012/5645 , H04L2012/5652 , H04L2012/567
摘要： A frame relay communications network consists of a number of interconnected nodes. The network nodes include segmentation and reassembly device for fragmenting variable length frames of user data into packets of a predefined length. A preferred embodiment uses ATM AAL5 segmentation and reassembly to construct cells. Header and trailer information is added to each of the cells for transport across the frame relay network.
摘要翻译：帧中继通信网络由多个互连节点组成。网络节点包括用于将用户数据的可变长度帧分段成预定义长度的分组的分段和重组装置。优选实施例使用ATM AAL5分段和重组来构建单元。报头和预告片信息被添加到每个小区以便跨帧中继网络传输。

6. 发明授权

US5898688A ATM switch with integrated system bus 失效
标题翻译： ATM交换机带集成系统总线
公开(公告)号：US5898688A
公开(公告)日：1999-04-27
申请号：US653259
申请日：1996-05-24
申请人： Kenneth Norton , Mark Rumer
发明人： Kenneth Norton , Mark Rumer
IPC分类号： H04L12/56 , H04Q11/04
CPC分类号： H04L12/5601 , H04L49/107 , H04L49/3081 , H04Q11/0478 , H04L2012/5652 , H04L2012/5681
摘要： A network switch includes a plurality of cell processing units coupled together via a switch bus. In a preferred embodiment, the switch bus supports the peripheral component interconnect (PCI) bus protocol. Each cell processing unit includes a segmentation and reassembly unit (SAR), a RISC processor, a port processor, and a bus control unit. The SAR generates cells from frames of data stored in memory and transfers those cells to a destination mailbox in response to commands from from the RISC processor. The SAR assembles a cell within an internal register by combining cell header information with payload data read from memory. Once a cell has been assembled, it is sent to the bus controller for transmission across the switch bus to an address given by a mailbox number. Cells are transferred across the switch bus using a PCI burst write to the mailbox. A reassembly function gathers 48-byte cells into one or more larger output buffers. Cell reassembly is triggered by another RISC processor command. During reassembly, cell header information is discarded and the data payload bytes are read to an internal buffer within the SAR. The payload data is then written to a memory location pointed to by a buffer memory pointer. The switch bus 14 is also used for the transfer of control information between configuration registers of the cell processing units 12.
摘要翻译：网络交换机包括通过交换总线耦合在一起的多个小区处理单元。在优选实施例中，交换总线支持外围组件互连（PCI）总线协议。每个单元处理单元包括分段和重组单元（SAR），RISC处理器，端口处理器和总线控制单元。 SAR从存储在存储器中的数据帧生成单元，并根据来自RISC处理器的命令将这些单元传输到目标邮箱。 SAR通过将单元头信息与从存储器读取的有效载荷数据相结合，组合内部寄存器中的单元。一旦单元组装完成，就将其发送到总线控制器，以便通过交换总线传输到由邮箱号码给出的地址。使用对邮箱的PCI突发写入，单元通过交换总线传输。重组功能将48字节的单元格收集到一个或多个较大的输出缓冲器中。单元重组由另一个RISC处理器命令触发。在重组期间，信元报头信息被丢弃，并且数据有效载荷字节被读取到SAR内的内部缓冲器。然后将有效载荷数据写入缓冲存储器指针指向的存储单元。开关总线14也用于在单元处理单元12的配置寄存器之间传送控制信息。

7. 发明授权

US5883893A ATM voice transport protocol 失效
标题翻译： ATM语音传输协议
公开(公告)号：US5883893A
公开(公告)日：1999-03-16
申请号：US711531
申请日：1996-09-10
申请人： Mark Rumer , Michael D. Savini
发明人： Mark Rumer , Michael D. Savini
IPC分类号： H04L12/56 , H04Q11/04 , H04J3/24
CPC分类号： H04Q11/0478 , H04L2012/563 , H04L2012/5671
摘要： A transport layer protocol for a compressed voice, facsimile and modem data includes a voice packetization sublayer; a voice transport sublayer; and a voice payload segmentation and reassembly sublayer. The voice payload segmentation and reassembly sublayer breaks up user data packets into segments. Each segment includes a header and a payload data unit. Voice data segments have payloads made up of voice data. Signaling payloads are made up of op codes, which define the type of signaling message, and related operands.
摘要翻译：用于压缩语音，传真和调制解调器数据的传输层协议包括语音分组化子层; 语音传输子层; 和语音有效载荷分割和重组子层。语音有效载荷分段和重组子层将用户数据分组分解成段。每个段包括报头和有效载荷数据单元。语音数据段具有由语音数据组成的有效载荷。信令有效载荷由定义信令消息类型和相关操作数的操作码组成。

8. 发明授权

US06999450B2 Ethernet based TDM switch 有权
公开(公告)号：US06999450B2
公开(公告)日：2006-02-14
申请号：US09842559
申请日：2001-04-25
申请人： Mark Rumer
发明人： Mark Rumer
IPC分类号： H04L12/56
CPC分类号： H04L29/06 , H04L12/4633 , H04L49/3009 , H04L49/351 , H04L69/324
摘要： A method and apparatus for packetizing data framed as a TDM stream as an Ethernet packet. In an embodiment, the data is packetized into an Ethernet frame having a header which includes information which indicates an appropriate time at which to write the data into an outbound TDM stream.

9. 发明授权

US06618376B2 ATM utopia bus snooper switch 有权
公开(公告)号：US06618376B2
公开(公告)日：2003-09-09
申请号：US09809600
申请日：2001-03-14
申请人： Mark Rumer
发明人： Mark Rumer
IPC分类号： H04L1228
CPC分类号： H04Q11/0478 , H04L2012/5613 , H04L2012/5615
摘要： A communication bus snooper switch includes an inbound cell queue coupled to receive ATM cells from a number of ATM physical layer interfaces across a common inbound bus. An out-bound cell queue (which may be the same queue as the inbound cell queue when a dual port queue is used) is coupled to provide the ATM cells to separate ATM termination points according cell address information across separate out-bound busses. Each of the out-bound busses is associated with one of the ATM termination points. The snooper switch is configured to operate as an ATM bus master when communicating with the physical layer interfaces and as a ATM bus slave when communicating with the ATM termination points. During transmit operations, cells from the various ATM termination points are queued in corresponding transmission cell queues within the snooper switch and, thereafter, provided to the ATM physical layer interfaces according to an arbitration scheme implemented at the snooper switch.

10. 发明授权

US06606231B2 Integrated telephony subscriber line protection and filter device 有权
公开(公告)号：US06606231B2
公开(公告)日：2003-08-12
申请号：US10056934
申请日：2001-10-24
申请人： Mark Rumer
发明人： Mark Rumer
IPC分类号： H02H322
CPC分类号： H04M1/745 , H04M3/18
摘要： A protection device includes a substrate capable of suppressing electromagnetic fields, with a channel formed therein, a current dependent circuit interrupter disposed inside the channel, and voltage management circuitry coupled to the substrate. The voltage management circuitry is electrically coupled to the current dependent circuit interrupter so as to form a crowbar circuit in the presence of overvoltage or undervoltage conditions as determined according to a reference voltage.

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