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Match Document Document Title
9021086 System and method for network management  
System and methods for inferring network topology are described, including a method comprising determining a normalized transmit power of a first device, identifying a second device based upon a...
8917097 Method and system for detecting and locating by reflectometry electrical faults in metal structures  
A method for detecting and locating by reflectometry electrical faults in a metal structure includes injecting a probe signal into an electrical propagation line held at a substantially constant...
8896318 Electrical interconnect status monitoring system  
Disclosed are advances in the arts with novel methods and apparatus for detecting faulty connections in an electrical system. Exemplary preferred embodiments include basic, ASIC, AC, DC, and RF...
8829917 Cable tester  
A physical layer device configured to interface with a plurality of pairs of wires. The physical layer device includes a cable test module configured to transmit a pulse over the plurality of...
8823534 Electricity meter tampering detection  
Tampering with an electricity network is detected from an electricity meter by transmitting a probe signal over at least part of the electricity network (12) from a signal source (106a) in the...
8803069 Electro-optical radiation collector for arc flash detection  
An electro-optical (EO) radiation collector for collecting and/or transmitting EO radiation (which may include EO radiation in the visible wavelengths) for transmission to an EO sensor. The EO...
8670335 Reduced power transmission  
Reduced power transmission is described. In embodiments, networked devices communicate via a network connection. A characteristic of the network connection between the networked devices can be...
8620605 Method for improving fault detection and positioning precision using reflectometry in a wired electrical network  
A method for detecting and determining a position of faults using reflectometry in a wired electrical network including: injecting a test signal e(t) into a cable in the electrical network, a...
8575945 Subsea line monitoring device  
A subsea line monitoring device includes a diagnostic unit adapted to be deployed, in use, in a subsea location and having a first connector, the diagnostic unit being operable, in use, to output...
8564302 Test instruments for pulse TDR, step TDR and transmission analysis  
The test instrument is used to perform both time domain reflectometry (TDR) and analysis of transmission signals on a line under test. Further, the test instrument provides for both pulse TDR and...
8558552 Home network characterization method and system  
A method of characterizing a wiring network is implemented in a system which includes a test controller and at least two probes. On commands from the test controller, at least one of the probes...
8552739 Electronic device and method for correcting time-domain reflectometers  
In an electronic device and a method of correcting time-domain reflectometers, two channels of a time-domain reflectometer are connected to a corrector using cables, and the two channels are...
8548760 Detecting nonlinearity in a cable plant and determining a cable length to a source of the nonlinearity  
An apparatus and a method for detecting a nonlinearity in a cable plant and for determining cable length to a source of the nonlinearity are disclosed. Upstream signal peaks are detected by...
8461848 Cable diagnostics for Base-T systems  
An apparatus and method for cable diagnostics is disclosed for deployment as part of an Ethernet communication system to conduct diagnostics. The system transmits one or more pulses which are...
8461847 Electrical interconnect status monitoring system  
Disclosed are advances in the arts with novel methods and apparatus for detecting faulty connections in an electrical system. Exemplary preferred embodiments include basic, ASIC, AC, DC, and RF...
8416699 Cable tester  
A physical layer device for a network interface, in which the physical layer device includes a cable-test module and a data processing module. The physical layer module is configured to...
8295163 Reassigning signals to cable channels  
Devices, systems, methods, and other embodiments associated assigning signals to cable channels are described. One example device includes a networking device that includes a transceiver to...
8279425 Frequency domain reflectometry (FDR) lethality assessment method and system for determining impact point and damage propagation in detection surface  
A system and method for performing lethality assessment utilizes frequency domain reflectometry (FDR) to determine impact point and damage propagation faults in a detection surface. The detection...
8269505 Locating short circuits in printed circuit boards  
One embodiment provides a method of locating a short circuit in a printed circuit board. Test signals may be injected at different test points on the circuit board. The distance between each test...
8242785 System and method for detecting anomalies along telecommunication lines  
An anomaly detection system comprises an echo canceler and anomaly detection logic. The echo canceler has a plurality of taps respectively associated with a plurality of tap coefficients. The...
8179144 Cable tester  
A network device including a physical layer (PHY) device and an autonegotiation module. The PHY device is configured to interface with N cable pairs, where N is greater than 1. The PHY device...
8161516 Fraud detection in a cable television  
One or more of a topology location test and a distance test are applied to determine if a CPE device has moved in a cable plant. An indication of service fraud is provided if the CPE topology...
8022711 Wire fault locating in distributed power systems  
An electrical fault locating system for distributing power from an input to a plurality of output channels provides fault detection and locating for each of the plurality of output channels. Each...
8013614 System and method for enhanced accuracy in cable diagnostics of cable length  
A system and method for enhanced accuracy in cable diagnostics of cable length. Conventional cable diagnostics such as time domain reflectometry can be used to determine cable length. This...
7994797 Implementing a coded time domain transmission distance meter  
A method and circuit for implementing a coded time domain transmission distance meter, and a design structure on which the subject circuit resides are provided. A first transmitter module...
7986147 Fast cable tester  
A physical layer (PHY) device including a first transmitter, a first analog-to-digital converter (ADC) module, and a control module. The first transmitter is configured to transmit a first pulse...
7977950 Time-domain reflectometer  
The present invention provides a time domain reflectometer for testing an electrical cable. The time domain reflectometer includes a test signal generator, at least one line feed resistor,...
7977951 Methods and apparatus for measuring a length of a cable  
A first physical layer (PHY) device includes an auto-negotiation module, a first cable-length measuring module, and a first control module. The auto-negotiation module exchanges data rates of the...
7979224 Configurable voltage regulator  
A configurable semiconductor device includes at least one select pin configured to connect to one of a plurality of impedances. The impedances are external to the configurable semiconductor device...
7979219 Transmission medium testing apparatus and method  
The invention provides a method for testing a transmission medium used in a full-duplex communication system comprising an endpoint that comprises a transmitting end (TX) and a receiving end (RX);...
7973536 Traveling wave based relay protection  
An apparatus includes at least one Rogowski coil and a processor. The at least one Rogowski coil is positioned within an electrical power distribution network to detect a first traveling wave...
7940056 Time-domain reflectometry  
The present invention provides a method of time domain reflectometry including transmitting a test signal along a cable under test from one end and sensing and recording a reflected signal from...
7924023 Method and apparatus for measuring data rates  
A method, computer readable storage medium and apparatus for measuring data rates is disclosed. A method that incorporates the teachings of the present disclosure may include, for example,...
7906973 Cable tester  
A physical layer module (PHY) of a network device includes a control module and a cable-test module. The control module selectively generates a cable-test enable signal to test a cable including...
7893696 Pulse circuit using a transmission line  
A circuit is provided wherein a test pulse is provided to a device under test. A module allows the test pulse to pass through to the device under test. The module blocks a reflected pulse from...
7893695 Apparatus, method, and computer program for obtaining a time-domain-reflection response-information  
An apparatus for obtaining a time-domain-reflection response-information has a signal driver adapted to apply two pulses of different pulse lengths to a TDR port in order to excite a first TDR...
7884615 Cable tester  
A network interface includes a physical layer (PHY) device that provides an interface to a cable. The PHY device includes an autonegotiation module that selectively performs autonegotiation to...
7868621 Power line communication based aircraft power distribution system with real time wiring integrity monitoring capability  
A power line communication-based aircraft power distribution system may allow for both power line communication (PLC) technology and spread spectrum time domain reflectometry (SSTDR) technology to...
7847561 Network device, network connection detector and detection method thereof  
A network device, a network connection detector and a detection method thereof are disclosed. The network device includes a socket, a waveform generator and a reflected wave detector. The waveform...
7839770 Branch element for operation in a communication network, network and method for operating the branch element  
A branch element is specified for use in a communication network, whereby in the interplay of two branch elements designed according to the invention, a cleared fault in a communication medium...
7808247 Fast cable tester  
A physical layer (PHY) device of a network device includes a signal generator module that generates a first test signal and that transmits the first test signal on a first conductor of a first...
7808249 Methods and apparatus for measuring a length of a cable  
A physical layer (PHY) device of a network device includes a first module, a first cable-length measuring (CLM) module, and a first control module. The first module determines whether a remote PHY...
7808226 Line tracing method and apparatus utilizing non-linear junction detecting locator probe  
A method, device, and apparatus for tracing a conductive line and locating any concealed surveillance devices coupled to the line uses a signal generator to produce a test signal having a...
7788053 Configurable voltage regulator  
A configurable semiconductor has a device characteristic that is controllable as a function of at least one external impedance. A measurement circuit measures an electrical characteristic of the...
7777496 Remote sensor system for monitoring the condition of earthen structure and method of its use  
A system and associated method permit remote monitoring of subsurface structure for purposes of early detection and location of hidden anomalies, e.g., water seepage in levees. Anomalies may be...
7768251 Superconducting coil testing  
A method of testing a superconducting coil path formed in a layer of superconducting material. The material is provided on a former (6) having a substantially curved surface. The method comprises...
7683628 Cable tester  
A physical layer device includes a cable test module that transmits a test pulse on a cable, measures a reflection amplitude, calculates a cable length, and determines a cable status based on the...
7679371 Advanced time domain reflection cable testing  
A cable testing system that tests cable includes a pulse generation module that transmits a first pulse on a first communications channel of the cable. A sampling module waits a predetermined time...
7652483 Network device, network connection detector and detection method thereof  
A network device, a network connection detector and a detection method thereof are disclosed. The network device comprises a socket, a waveform generator and a reflected wave detector. The...
7652482 Network analyzer, network analyzing method, automatic corrector, correcting method, program, and recording medium  
The error of a measurement system can be corrected even if the frequency of an input signal of a device under test is different from that of the output signal. A signal output acquiring section...

Matches 1 - 50 out of 252 1 2 3 4 5 6 >