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| Number | Title | Issue Date |
| 8143879 | Meter phase identification A multi-phase electrical power distribution network includes a substation; a signal generator for providing a different signal on each of a plurality of phases leaving the substation; and a signal discriminator for detecting each of the different signals at a consum... | 03/27/2012 |
| 8102169 | Cable tracing system and method for cable management Embodiments of the present invention provide a system, method and testing apparatus for providing, managing and tracing connective cables in electrical and information management systems. In an embodiment of the invention, a selectable tracer cable system can be pro... | 01/24/2012 |
| 8076923 | Dead-line phase identification system and method thereof A system and method for dead-line conductor phase identification is provided. The system includes a receiver unit having a set of current sensors, such as current transformers. The receiver unit current sensors are coupled to conductors having a known phase in a mul... | 12/13/2011 |
| 8018220 | Electronic identification device and method An electronic identification device for identifying, among conductors of a wiring system including multiple conductors, at least one conductor that is series-connected to a magnetically controlled switch. The device comprises a test connector having pins that are co... | 09/13/2011 |
| 8018219 | Method and apparatus for multiple electrical circuit mapping A module is provided for identifying outlets on a common power circuit. The module comprises a connector adapted to electrically couple with an outlet, a signal generator electrically connected to the connector and adapted to send a signal through the connector into... | 09/13/2011 |
| 7960964 | Method and system for determining a network structure or layout of at least a part of an electricity transport network A method for determining a network structure or layout of at least a part of an electricity transport network, for instance a low voltage part of this network extending in a city, includes providing a test signal to the network at at least first network location; an... | 06/14/2011 |
| 7948226 | Traceable fiber optic jumpers An optical fiber jumper cable includes a single tracing conductor for tracing the jumper cable through a fiber cross-connect facility such as a central office. An electrical locating tone is impressed on the conductor so that the conductor radiates an electromagneti... | 05/24/2011 |
| 7948225 | Phase identification systems and methods A system and method for determining the relative phase between current-carrying conductors. A reference unit samples and digitizes a voltage waveform at a reference location and transmits the digitized voltage waveform. A field sampling unit is placed on or directly... | 05/24/2011 |
| 7902810 | Cable detection system A cable detection system, includes a source of an input electrical AC signal for coupling to a first lead pin of a cable connector. A detector is coupled to a different second lead pin of the cable connector. The detector detects an electrical AC output signal deriv... | 03/08/2011 |
| 7839133 | Remote continuity and cable identifier and polarity checker system and method An electrical continuity test system with a tester and a remote probe. The tester includes circuitry for creating a pulsed current, an output for connection to a local end of a first test conductive element, to inject the pulses into the first test conductive elemen... | 11/23/2010 |
| 7816903 | Single-phase 3-wire power line connection determination apparatus and connection determination method In a method for determining whether multiple power outlets in a 3-wire power line connection are connected to a same outer wire (P1 or P2), the hot terminal of a first power outlet is identified and a first zero cross time of the hot terminal to which ... | 10/19/2010 |
| 7671576 | Ratiometric AC wire tracer An implementation of an apparatus and method for sensing electrical wiring, for example, hidden behind a surface such as a wall is provided. The apparatus and method use multiple sensor signals, which may measure electric fields or changes in a dielectric. Pairs of ... | 03/02/2010 |
| 7667450 | Electrostatic discharge device testing system and method There is disclosed an electrostatic discharge (ESD) device tester and a method of operating the tester. In an embodiment, the method comprises operating the tester by uniquely identifying an ESD device to be tested using identification means provided on the tester; ... | 02/23/2010 |
| 7598721 | Locating a cable using synchronization portion and data portion of a tone packet of a system A digital toner/locator employs tone packets using a 455 Khz carrier. Plural packet quanta provide multiple test modes which are advantageously selected from a probe without requiring returning to the tone generator to change mode. ... | 10/06/2009 |
| 7598720 | Method and system for detecting the phase of wiring of an unknown phase voltage relative to a reference phase voltage A system detects the wiring phase of an unknown phase voltage at a remote location relative to a reference phase voltage at a reference location in an electrical power distribution system having a single phase or poly phase power line. A transmitter transmits a sign... | 10/06/2009 |
| 7573254 | Systems and methods of identifying patch cord connections in a communications patching system using common mode transmission A communications patching system includes first and second patch panels, each having a plurality of connector ports, and a patch cord that is configured to selectively interconnect a connector port in the first patch panel with a connector port in the second patch p... | 08/11/2009 |
| 7498795 | Electrostatic discharge device testing system and method There is disclosed an electrostatic discharge (ESD) device tester and a method of operating the tester. In an embodiment, the method comprises operating the tester by uniquely identifying an ESD device to be tested using identification means provided on the tester; ... | 03/03/2009 |
| 7479776 | Hand-held tester and method for local area network cabling A LAN tester has display and remote units each having a connector jack attached to an adapter board for connection to the plug of a patch cord. Both the display and remote units have circuits which are capable of measuring the phase between a drive signal voltage an... | 01/20/2009 |
| 7439869 | Indicating device, circuit arrangement and method for indicating the status of one of a plurality of switches connected in series to a safety relay A circuit arrangement for indicating the status of one of a plurality of switches connected in series between signal terminals of a safety relay, each switch actuable between an open position and a closed position. The circuit arrangement includes at least one volta... | 10/21/2008 |
| 7423545 | Failed filter arrest indicator and method for use in multiple arrester location The present invention is a technique for locating and identifying a failed filter/arrester in an underground conveyance such as a fiber optic cable. A sensor is installed in the filter/arrester housing to sense grounding of a cable locating frequency. The sensor wil... | 09/09/2008 |
| 7423434 | Cable presence detection for detecting a connection between two devices Systems, methodologies, media, and other embodiments associated with detecting devices connected to a cable are described. One exemplary system embodiment includes logic configured to determine whether devices are connected to a cable and are powered while maintaini... | 09/09/2008 |
| 7411405 | Method and apparatus for reliable network cable connectivity Methods and apparatus establish and maintain reliable network cable contacts that mitigate disconnecting effects by transmitting an AC signal with a frequency that reduces the disconnecting effects. The signal frequency may be statically or dynamically selected. The... | 08/12/2008 |
| 7385406 | Automated electrical wiring inspection system The present invention is directed to an electrical wiring inspection system. The system includes an electrical measurement apparatus having at least one load center connector configured to couple the electrical measurement apparatus to a load center, at least one br... | 06/10/2008 |
| 7372246 | Phase identification system and method A system and method for determining the relative phase between current-carrying conductors. A reference unit samples and digitizes a voltage waveform at a reference location and transmits the digitized voltage waveform. A field sampling unit is placed on or directly... | 05/13/2008 |
| 7370149 | Connection support method for disk array device Apparatus to navigate connection among a controller housing and disk device housings which constitute a storage device. The controller housing, the disk device housings, and the like are stored in a storage device housing and are connected by ENC cables according to... | 05/06/2008 |
| 7370106 | Network revision system with local system ports A revision system for a network having a plurality of data ports, pairs of the data ports being connectable by a patch cord to place the pairs of data ports into communication with each other, the revision system including a computer processor, a scanner in communic... | 05/06/2008 |
| 7362085 | Power line carrier communication system and its communication device, and method for constructing power line carrier communication system A power line carrier communication system includes a power line, a first communication device, a second communication device, the first and second communication devices being arranged on the power line and performing a communication via the power line, a storage sec... | 04/22/2008 |
| 7354298 | Structured cabling system and patching method A structured cabling system has two patch panels each having a plurality of jacks. Adjacent each jack is a Light-Emitting Diode (LED) which can be illuminated in response to a signal from a processor to identify the associated jack. The processor illuminates each LE... | 04/08/2008 |
| 7352289 | System and method for detecting the connection state of a network cable connector A method for detecting a network cable connection state is disclosed. The method includes detecting a change of connection state of a connector using a sensor that resides in the connector and generating cable connection state information from the information suppli... | 04/01/2008 |
| 7336061 | Group wiring system allowing locating of wire pairs and method for locating wire pairs in group wiring system A group wiring system includes a hub of a server system, a distribution frame including a plurality of wire pair receptacles, a plurality of remote receptacles, a testing device, and a plurality of testing circuits. Each testing circuit is coupled between conductive... | 02/26/2008 |
| 7327278 | Method and apparatus for tracing remote ends of networking cables A method and a circuit is disclosed that facilitates identifying a remote end and optionally an intermediate location of an installed cable, such as a cable for carrying data, without the need to disconnect the cable. One or more circuits may be connected across two... | 02/05/2008 |
| 7323882 | System to place receptacles and distribution blocks An electrified wall panel in a modular furniture environment includes a plurality of multi-port electrical distribution blocks diversely located throughout the panel. Certain ones of the multi-port electrical distribution blocks are fixed to wall panel frame members... | 01/29/2008 |
| 7321231 | Measurement instrument A measuring instrument has a phase signal transmitter that transmits, in accordance with a rotation of the spindle, a phase signal that differs corresponding to the rotation angle of the spindle, and an arithmetic processor that arithmetically processes the phase si... | 01/22/2008 |
| 7312715 | Management of large scale cabling systems Method and system for managing cabling rooms that include a plurality of communication panels, which are arranged closely to one another. Each cabling room has a plurality of patch panels, structurally connected to form vertical structures. An operator is automatica... | 12/25/2007 |
| 7311539 | Duplex plug adapter module A duplex plug adapter module includes a dielectric housing having a forward end and a rearward wire receiving end. The housing is configured to be mechanically coupled to first and second signal cables. A contact is held within the housing. The contact has a forward... | 12/25/2007 |
| 7307408 | Cable locating device A device for identifying individual cables communicating between many remote locations to one central location using the building AC ground circuit to communicate between the remote location and the central location. The device includes a plurality of tubes adapted ... | 12/11/2007 |
| 7304481 | Apparatus for testing electric cables In one preferred embodiment, an apparatus for testing a cable includes an interface for connecting to a connector of the cable, many resistors, a socket, and a meter for testing resistance of the resistors. The interface has many pins, the resistors respectively con... | 12/04/2007 |
| 7305067 | Tone distribution apparatuses, systems, and methods An apparatus and system for connecting a tone generator to a plurality of conductors communication line. The apparatus includes an interconnect structure that includes multiple leads each including an electrically conductive portion having a first end and a second e... | 12/04/2007 |
| 7294786 | System and method for managing a cable in a server system A system and method for managing a cable in a server system. The system includes a first paddle card coupled to a first end of the cable and a first light emitting diode (LED) coupled to the first paddle card. The first LED turns on to facilitate a user in locating ... | 11/13/2007 |
| 7292449 | Virtual ground return for reduction of radiated emissions A digital apparatus having a cable comprising a plurality of high-speed and low-speed signal carrying conductors, the conductors carrying the low-speed signals are bypassed to a signal ground with selected values of capacitance so as to become virtual signal ground ... | 11/06/2007 |
