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8184012 |
Air conditioner and reverse phase detection method thereof
An air conditioner and a reverse-phase detection method thereof are provided. According to the air conditioner and the reverse-phase detection method thereof, it is possible to perform...
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8164474 |
Intelligent patching infastructure management system
A connection management system comprises a plurality of sockets 1, 2 for receiving complement plugs provided on ends of cables for effecting interconnections between said sockets. Each said socket...
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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...
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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...
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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...
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8069556 |
Cable harness production system
A cable harness production system includes an electronic controller and at least one installation plate to which a plurality of mounting stations is fastened. Each of the mounting stations supports...
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8050879 |
Phase identification system and method
A method to identify phase is presented. The method includes obtaining electrical parameters at a node and a substation of an electrical grid, processing the electrical parameters of the node and...
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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...
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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...
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8013592 |
Method and apparatus for detecting the phase wiring of an arbitrary unknown phase voltage relative to a reference phase voltage
The technology relates to detecting the wiring phase of an unknown phase voltage relative to a reference phase voltage in an electric power distribution system having a polyphase power line. In...
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7969295 |
Device, system and method for the location and identification of as-built plants of pipes, conduits, cables or hidden objects
A device 20 for location and identification of pipes, conduits, cables or buried or hidden objects 8 is described without the need of any invasive and/or destructive work, said device comprising at...
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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...
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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...
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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...
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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...
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7870374 |
Validating physical and logical system connectivity of components in a data processing system
A mechanism is provided for validating a connection of powered elements within a data processing system. A request for data is issued to a set of powered elements using a set of communication...
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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...
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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...
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7742577 |
Tone around test adapter
A splicing method and apparatus is provided to facilitate efficient identification of cable wires to be spliced. Multiple wires are coupled to a test circuit, and a test signal is selectively...
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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,...
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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...
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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...
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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...
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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...
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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...
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7463034 |
Ground control unit for cable locating
A system for selectively grounding each of a plurality of short-haul buried utility conveyances coupled to a common long-haul buried utility conveyance to enable a conveyance locating signal...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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,...
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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...
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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...
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7271597 |
Electronic device, transmission system, and method for determining connection condition
An electronic device has a first signal path, a first power supply path, and a connector that transmits to an external device the input signal on which the voltage has been superposed. The device...
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7235979 |
Apparatus and method for measuring loop insertion loss single-endedly
The system and method of determining insertion loss of a telephone line under test (LUT) determines a first insertion loss as a function of plurality of different equivalent circuit values of the...
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7227345 |
Fibre Channel Cable Locator
A fibre channel cable locator for locating an unidentified plugged end of a fibre channel cable within a fibre channel SAN at a location of an identified unplugged end of the fibre channel cable....
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7224170 |
Fault monitoring in a distributed antenna system
A method and system for detecting whether an antenna is property connected to a distributed antenna network. The current drawn by the antenna is measured and compared against an expected current...
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7211994 |
Lightning and electro-magnetic pulse location and detection for the discovery of land line location
The identification of the path and termination points of copper landlines is performed through the use of natural events without the aid of network provisioning information. At least one sferics...
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7202796 |
Device and method for triggering a sensor for cables
In order to provide a triggering signal for a cable stripping device that is also capable of dealing with very thin wires, it is suggested to use a piezoelectric sensor, the output signal from...
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7157896 |
Device for locating and identifying circuit breakers
The transmitter of the circuit breaker locator draws large amplitude, short duration, phase locked unipolar pulses of current from the power source at a frequency lower than that of the AC line...
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7154255 |
Consumable product and device for identifying the same
A device for identifying consumable products including a main unit including an electronic circuit, and a consumable product detachably connected to the main unit. The consumable product includes a...
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7141960 |
Method and device system for testing electrical components
The method is for testing an electrical component. The sender unit 12 may be applied to an electrical plug 24 that has a first line 28, a second line 32 and a ground line 36. It is determined which...
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7127041 |
Simultaneous tracing of multiple phone/data cables
For tracing multi-conductor cable runs from multiple phone/data locations throughout a building or complex to a junction facility where the cables need to be systematically identified and connected...
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