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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8169923 | Power line communication method and apparatus A power line communication (PLC) method includes determining whether a destination communication apparatus to receive a data packet can directly communicate without using a repeater, transmitting the data packet to the destination communication apparatus when the de... | 05/01/2012 |
| 8023418 | Method and apparatus for testing a broadband internet connection An embodiment of the invention provides a method of testing a broadband internet connection including the steps of transmitting test signals via a broadband internet connection to a cellular network core, the test signals representative of those sent by an access po... | 09/20/2011 |
| 8000254 | Methods and system for determining a dominant impairment of an impaired communication channel Methods are described for identifying a dominant impairment on a communication channel impaired by an interference issue. The methods include systematic examination of total power loading, systematic examination of signal power reduction, statistical examination of ... | 08/16/2011 |
| 7983176 | Method and system for monitoring communications of an individual in a packet network A system and method are disclosed for monitoring communications of an individual in a packet network. A system that incorporates teachings of the present disclosure may include, for example, a network monitor having a communications interface coupled to a packet net... | 07/19/2011 |
| 7961634 | High resiliency network intrastructure A resilient interface architecture may include at least two interface switches and at least two interface routers. The at least two interface switches may provide connectivity between a subnetwork and a main network. If one of the switches fails, the connectivity ot... | 06/14/2011 |
| 7760657 | System and method for performing subscriber loop testing in an optical network An access network includes a test system controller that provides a test request in Signaling Network Management Protocol (SNMP) messages to an element management system. A network gateway, in conjunction with the element management system, provides test commands to... | 07/20/2010 |
| 7706292 | Network system, network apparatus, route change method, and program storage medium storing program thereof A test packet generator of an entry device generates a delay test packet including priority information. A test packet transmitter of the entry device transmits the delay test packet to an exit device through a route corresponding to the priority information. A test... | 04/27/2010 |
| 7684338 | Circuit arrangement for testing a communication system The present invention relates to a circuit arrangement with which a communication that is subdivided into functional layers is processable by a first layer for a higher layer and/or by a higher layer for the first layer, the first layer being formed by a physical la... | 03/23/2010 |
| 7646723 | Protocol test device having at least two channels A protocol test device has at least two channels which each have a transmit and a receive side, the protocol test device being designed to switch a signal transmitted from a first channel to the receive side of a second channel. A method for determining, by approxim... | 01/12/2010 |
| 7554926 | Remote test unit A remote test unit and method of operation are provided for utilizes the ability of an access matrix ability to route signals. The Remote Test Unit can emulate a central Digital Subscriber Line Modem (DSLM-C) for testing customer premises equipment containing a remo... | 06/30/2009 |
| 7433323 | Remote testing of high speed data and voice communication networks Faults or degradation of performance of a voice/data communication network (2) are identified without the need to dispatch service personnel by selectively testing isolated sections of the communication network. For some of these tests, the communication netw... | 10/07/2008 |
| 7417993 | Apparatus and method for high-throughput asynchronous communication One embodiment of the present invention provides a system for high-throughput asynchronous communication that includes a sender and a receiver. A sender's first-in, first-out (FIFO) buffer is coupled to an input of the sender, a receiver's FIFO buffer is coupled to ... | 08/26/2008 |
| 7397790 | Packet switched connections using dedicated channels A temporary (temp) dedicated channel (DCH) is used to support communications. The temp-DCH channel is a channel that is assigned to a user having a set duration. After the duration expires, the channel is automatically released to the user. Embodiments of the invent... | 07/08/2008 |
| 7385919 | Local network, particularly Ethernet network having redundancy properties, and coupling device for such a network A local network, particularly an Ethernet network having redundancy properties, in which coupling devices (K1, K2, K3) and a redundancy manager (RM) are interconnected in a ring-shaped topology. The redundancy manager opens the ring to create a ... | 06/10/2008 |
| 7373575 | Method and apparatus for generating expect data from a captured bit pattern, and memory device using same Expect data signals are generated for a series of applied data signals having a known sequence to determine if groups of the data signals were properly captured. A first group of the applied data signals is captured, and a group of expect data signals are generated ... | 05/13/2008 |
| 7369506 | Method and apparatus for enabling the detection of transparent defects The present invention enables the network to determine the true state of events that appear normal but produce service disruptions by periodically probing the status of all network elements and endpoints and comparing this status to historical graphs of the network.... | 05/06/2008 |
| 7369605 | Method and device for injecting a differential current noise signal into a paired wire communication link The present invention relates to a device and method for injecting a noise signal into a wire pair of a communication link. In operation a first current source and a second current source are disposed in series with a node therebetween coupled resistively to a wire ... | 05/06/2008 |
| 7349344 | System and method for performing subscriber loop testing in an optical network An access network includes a test system controller that provides a test request in Signaling Network Management Protocol (SNMP) messages to an element management system. A network gateway, in conjunction with the element management system, provides test commands to... | 03/25/2008 |
| 7345992 | System and method for embedding a sub-channel in a block coded data stream The present invention relates in general to a method, apparatus, and article of manufacture for providing high-speed digital communications through a communications channel. In one aspect, the present invention employs a variable rate back channel, incorporated with... | 03/18/2008 |
| 7327691 | System and method for satellite-based transmission of voice signals using an otherwise dedicated wireless channel In a wireless communication system (20) configured for default communication of subsectional signals of a first transmit signal (72/73) over multiple wireless channels (46), a signal selector (82) and method (138) detect an intent ... | 02/05/2008 |
| 7292528 | Method and apparatus to facilitate independent protection switching in a distributed network A method and apparatus to establish independence between nodes in a distributed network during protection switching. A translation module that may include a cross connect table is introduced onto a backplane of a line card between a switch fabric and an egress time ... | 11/06/2007 |
| 7283075 | Delta-sigma modulator with selectable noise transfer function Delta-sigma modulators with a selectable noise transfer function are described. In various embodiments, the noise transfer function is varied in accordance with a bandwidth, a communication protocol, or an oversampling ratio of a selected communication channel. ... | 10/16/2007 |
| 7277031 | 100Base-FX serializer/deserializer using 10000Base-X serializer/deserializer A physical layer device includes a deserializer that deserializes one of first and second data streams. The first data stream includes successive N-bit sequences having one of all ones and all zeros. A converter oversamples the first data stream, identifies edge tra... | 10/02/2007 |
| 7263121 | Method and apparatus for determining a topology of a subscriber line loop An xDSL modem for data transmission between a central office and a customer device over a subscriber line includes a topology determining unit and a control unit. The topology determining unit is configured to determine the topology of the subscriber line. The contr... | 08/28/2007 |
| 7259782 | Transferring apparatus and remote control system Communicating apparatus to be provided between an intermediate line and transmission lines to establish data communications, the intermediate line and the transmission lines having in combination data pass therethrough, the transmission lines including first line an... | 08/21/2007 |
| 7242944 | Method and system for dynamically re-homing a base transceiver station The method and system provides for receiving at a local base transceiver station a wireless signal and for routing that signal from the local base transceiver station to a remote base station controller. In exemplary embodiments, control logic stored in local compon... | 07/10/2007 |
| 7239687 | Telecommunications When delivering a broadband service, such as xDSL, without inband POTS, it is necessary to separate the analogue POTS signal and the xDSL signal from each other at both the CO (Central Office) and the CP (Customer's Premises). This can be achieved by using an active... | 07/03/2007 |
| 7234070 | System and method for using a learning sequence to establish communications on a high-speed nonsynchronous interface in the absence of clock forwarding A memory system includes a memory hub controller that sends write data to a plurality of memory modules through a downstream data bus and receives read data from the memory modules through an upstream data bus. The memory hub controller includes a receiver coupled t... | 06/19/2007 |
| 7224672 | XDSL modem A reception result of an analog signal transmitted from a local switch to a subscriber line, or a voltage difference corresponding to a line current is analyzed, and a transmission characteristic in the subscriber line is evaluated based on an analyzing result. The ... | 05/29/2007 |
| 7212496 | Remote test unit A remote test unit (RTU) and method of operation are provided for utilizes the ability of an access matrix ability to route signals. The RTU can emulate a central Digital Subscriber Line Modem (DSLM-C) for testing customer premises equipment containing a remote Digi... | 05/01/2007 |
| 7162207 | System, apparatus, method and computer program for producing signals for testing radio frequency communication devices A system, apparatuses, a method, and a computer program for producing signals for testing radio frequency communication devices are provided. The system comprises a non-real-time domain which includes a data generator for supplying a temporally discontinuous data st... | 01/09/2007 |
| 7161480 | In-operation test of a signal path A device for generating a sensor signal suitable for an in-operation test of a signal path from a sensor cell to an evaluation location. The sensor cell provides a sensor cell output signal depending on a physical magnitude to be detected which is changed in a chang... | 01/09/2007 |
| 7159092 | Method and system for adjusting the timing offset between a clock signal and respective digital signals transmitted along with that clock signal, and memory device and computer system using same A method and circuit adaptively adjust respective timing offsets of digital signals relative to a clock output along with the digital signals to enable a latch receiving the digital signals to store the signals responsive to the clock. A phase command for each digit... | 01/02/2007 |
| 7137024 | System and method for using a learning sequence to establish communications on a high-speed nonsynchronous interface in the absence of clock forwarding A memory system includes a memory hub controller that sends write data to a plurality of memory modules through a downstream data bus and receives read data from the memory modules through an upstream data bus. The memory hub controller includes a receiver coupled t... | 11/14/2006 |
| 7110747 | Ciphering between a CDMA network and a GSM network Shared secret data is used to authenticate and encrypt between a CDMA network and a GSM network such that a mobile station having a subscription in a GSM network can roam into a CDMA network and be authenticated to use the CDMA network and have messages encrypted wi... | 09/19/2006 |
| 7104441 | Cash dispensing automated banking machine diagnostic method An automated banking machine (10) includes a lockable first fascia portion (20) which when unlocked enables access to a chest lock input device (104), inputs to which enable opening a chest door (18) of the machine. Opening the first fasc... | 09/12/2006 |
| 7085975 | Method and apparatus for generating expect data from a captured bit pattern, and memory device using same Expect data signals are generated for a series of applied data signals having a known sequence to determine if groups of the data signals were properly captured. A first group of the applied data signals is captured, and a group of expect data signals are generated ... | 08/01/2006 |
| 7082557 | High speed serial interface test A high speed, two-way serial interface with a scrambler and de-scrambler may be tested by sending a single word repeatedly through the scrambler to create a pseudo-random sequence. The pseudo-random sequence is then passed through the transmitter and looped back thr... | 07/25/2006 |
| 7082126 | Fiber channel address blocking A method and system including apparatus for detecting and blocking an invalid request to a target wherein fiber channels interconnect the data processing configuration. A request made from a hub such as a fabric switch to an internal fiber channel arbitrated loop is... | 07/25/2006 |
| 7079571 | Method and circuits for power management in a transceiver A transceiver circuit having 10 mb and 100 mb transmit and receive circuitries using the power saving methods allows for power consumption of the transceiver circuit to be significantly reduced. This is accomplished by providing each defined subcircuit with its own ... | 07/18/2006 |
