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| Number | Title | Issue Date |
| 8164470 | Bathing system controller having abnormal operational condition identification capabilities A controller suitable for identifying an abnormal operational condition in a bathing system is provided. The controller includes a memory unit adapted for storing measurements indicative of electrical currents drawn by the bathing system under normal operating condi... | 04/24/2012 |
| 8054191 | Optical signaling device for electrical monitoring devices A signaling device for electrical monitoring devices, in particular for short circuit and/or ground fault indicators, and for optical, visually perceptible signaling with at least one luminous element is provided. The signaling device has a housing having a housing ... | 11/08/2011 |
| 8044816 | Apparatus, system, and method for detecting the formation of a short between a magnetoresistive head and a head substrate An apparatus, system, and method are disclosed for detecting the formation of a short between a magnetoresistive (“MR”) head and a head substrate. The apparatus is presented with a logic unit containing a plurality of modules configured to functionally execute t... | 10/25/2011 |
| 7982625 | Bathing system controller having abnormal operational condition identification capabilities A controller suitable for identifying an abnormal operational condition in a bathing system is provided. The controller includes a memory unit adapted for storing measurements indicative of electrical currents drawn by the bathing system under normal operating condi... | 07/19/2011 |
| 7982626 | Proper grounding detection and alarm circuit for electronic device A detection and alarm circuit includes a transformer, a rectifier, and an alarm. A first input terminal of the transformer is connected to a ground terminal of an electronic device, and a second terminal of the transformer is grounded. A first output terminal of the... | 07/19/2011 |
| 7978089 | Method and apparatus for ground fault detection In one embodiment, the present invention is a method and apparatus for ground fault detection. One embodiment of a method for diagnosing a ground fault in a notification appliance circuit comprising a plurality of field wiring connections includes individually testi... | 07/12/2011 |
| 7973670 | Display device and method for inspecting the same An object is to provide a display device, in a part of which a monitor light emitting element is provided and in which an anode and a cathode of the monitor light emitting element are prevented from short-circuiting in an early stage and over time by using a circuit... | 07/05/2011 |
| 7843357 | Bathing system controller having abnormal operational condition identification capabilities A controller suitable for identifying an abnormal operational condition in a bathing system is provided. The controller includes a memory unit adapted for storing measurements indicative of electrical currents drawn by the bathing system under normal operating condi... | 11/30/2010 |
| 7683795 | Compensation of simple fiber optic faraday effect sensors A monitoring system for detecting earth faults in an electrical power supply grid providing a power signal includes a plurality of monitoring devices, each of the monitoring devices including a detector for detecting the level of harmonics in the power signal, where... | 03/23/2010 |
| 7605711 | Communication anomaly detecting device, and passenger detecting device An information request portion receives an information request signal transmitted to an information response portion at its own receiving port. The information request portion comprises at least either of a power supply system anomaly determination portion or a grou... | 10/20/2009 |
| 7557724 | Device for detecting a fault current in an electronic apparatus A device for detecting a fault current in an electronic apparatus has a first and at least one second electric conductor, the first electric conductor carrying a first electric potential and the at least one second electric conductor carrying a second electric poten... | 07/07/2009 |
| 7443309 | Self testing ground fault circuit interrupter (GFCI) A self testing fault detector having a line side and a load side and a conductive path there between, said apparatus is provided. The self testing fault detector includes a controller, adapted to perform periodic status tests on a protection circuit of the self test... | 10/28/2008 |
| 7439874 | Load status indicator A load status indicator is disclosed for determining whether power is available to, and current is flowing through, a load. A first visual status indicator may light up when power is available to the load but current is not flowing through the load. A second visual ... | 10/21/2008 |
| 7436313 | Penetration screen A penetration screen is disclosed which comprises a substantially planar substrate with, at least, one electrical circuit disposed thereon. The electrical circuit is configured such that, at least, one section of the circuit is electrically isolatable from the remai... | 10/14/2008 |
| 7403129 | Electrical switching apparatus and method employing acoustic and current signals to distinguish between parallel and series arc faults A circuit breaker includes a first lug and second and third acoustic lugs electrically connected to a power circuit. Separable contacts are electrically connected in series between the first lug and the second acoustic lug. An operating mechanism opens and closes th... | 07/22/2008 |
| 7403106 | Seatbelt apparatus The disclosed detection circuit for a seatbelt apparatus may include an attachment detection switch, first and second resistance elements, and an LED. The resistance value of the first resistance element may be set to a value which allows a current smaller than the ... | 07/22/2008 |
| 7397385 | Predicting cable failure through remote failure detection of error signatures Computer systems and techniques for predicting a cable failure in a network system begin by receiving a remote alarm indicator followed by a remote alarm indicator clear as a transmission alarm indicator of an intermittent short duration failure on the transmission ... | 07/08/2008 |
| 7382272 | System, a tool and method for communicating with a faulted circuit indicator using a remote display Provided is a system, a tool and a method for communicating with a faulted circuit indicator (FCI), the faulted circuit indicator including a detection circuit for monitoring an electrical conductor of a power system. The system includes a remote display mounted in ... | 06/03/2008 |
| 7358443 | Braided cord with conductive foil A braided cord having a conductive foil made of aluminum or copper or similar good electrically conductive materials. The foil is wrapped around the line (hot) and neutral wires of a cord. Over the foil is the braid made of copper strands. ... | 04/15/2008 |
| 7336046 | Short-circuit detection in electric path connecting drive device and load A control device controls a drive signal supplied from a drive device to a load apparatus along an electric path connecting the drive device and the load apparatus. The drive device receives a PWM (pulse width modulation) signal to PWM-control the drive signal, dete... | 02/26/2008 |
| 7336174 | Object tracking system with automated system control and user identification An enhanced object tracking system for tracking and controlling access to a plurality of objects such as keys is disclosed. The object tracking system implements many improvements including automated user identification using biometric data extracted from the user w... | 02/26/2008 |
| 7327275 | Bathing system controller having abnormal operational condition identification capabilities A controller suitable for identifying an abnormal operational condition in a bathing system is provided. The controller includes a memory unit adapted for storing measurements indicative of electrical currents drawn by the bathing system under normal operating condi... | 02/05/2008 |
| 7315255 | Load status indicator A load status indicator is disclosed wherein a green light-emitting diode of a bi-color light-emitting diode lights up when power is available to but not being used by a monitored device, whereas a red light-emitting diode of the bi-color light-emitting diode lights... | 01/01/2008 |
| 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 |
| 7312602 | Electrical meter with retractable leads An electrical meter 10 comprises a housing 12 with a spool 14 rotatably mounted therein. A first lead cable 16 and a second lead cable 18 are wound upon the spool 14. A wound spring 90 is connected to the spool and bi... | 12/25/2007 |
| 7283055 | Electrified cover safeguard A warning device that turns on a warning light and or a warning sound to indicate when a manhole cover or a service box cover or a metal pole for lights, traffic lights, transformers or others has become dangerously electrically charged. The invention is attached to... | 10/16/2007 |
| 7283784 | Broadcast data receiver apparatus and method for controlling power supply Broadcast data receiver apparatus is provided. The apparatus includes a broadcast data receiver (BDR) connected to at least one LNB. The BDR provides a power supply to allow operation of the LNB. At least two analogue to digital converter sampling points are provide... | 10/16/2007 |
| 7269535 | Fault diagnosing apparatus for vehicle and fault diagnosing method for vehicle A vehicle includes a direct current power supply (supply), an electric circuit (circuit) supplied with a current from the supply, a connector with relays that connects and disconnects a path supplying the current to the circuit, and a voltage sensor (sensor) that mo... | 09/11/2007 |
| 7262945 | Electrical over/under voltage automatic disconnect apparatus and method An analog or digital circuit that senses both low and high input voltage and operates to disconnect both line and neutral electrical power connections to a protected device when abnormally low or high voltages are received from a single- or multi-phase power source,... | 08/28/2007 |
| 7233152 | Short detection circuit and short detection method A circuit and method for judging a latent short-circuit defect, also known as a short-circuit defect with time passing, in the case of a high voltage system. A detection-dedicated wiring for detecting a short-circuit defect is provided between a first high voltage s... | 06/19/2007 |
| 7221274 | Docking station for security key A docking station has a housing with an open top compartment formed therein for storing a security key in a locked condition when not in use at a checkout station for opening media security containers. A slide member is moveable by a three position key operated tumb... | 05/22/2007 |
| 7209330 | Reset lockout for circuit interrupting device Resettable circuit interrupting devices, such as GFCI devices, that include a reset lock-out mechanism are provided. The reset lock-out mechanism prevents the resetting of electrical connections between input and output conductors if the circuit interrupting mechani... | 04/24/2007 |
| 7187526 | Circuit interrupting device with lock out and reversible wiring A resettable circuit interrupting device such as a GFCI that is immune to the problem of reverse wiring and, therefore, has load-line terminals that can be interchangeably connected to either at least one load or to a power source. Regardless of how the load-line te... | 03/06/2007 |
| 7164564 | Shorted SCR lockout and indication The present invention is directed to a protective device that includes a plurality of line terminals and a plurality of load terminals. A fault detection circuit is coupled to the plurality of line terminals. The fault detection circuit is configured to provide a de... | 01/16/2007 |
| 7161476 | Electronic tire management system An electronic tire maintenance system is provided for measuring a parameter of a device at a first location. The system includes a sensor for measuring the device parameter and generating a data signal representing the measured parameter. The system also includes a ... | 01/09/2007 |
| 7154722 | Loop control for distribution systems The invention contemplates a technique for providing loop control on a faulted overhead or underground loop system, while preventing restored current from being fed or back fed into the fault. In particular, the invention provides a method, device, and system for re... | 12/26/2006 |
| 7151462 | Circuit arrangement and method for load diagnosis of a semiconductor switch The present invention relates to a circuit arrangement and a method for load diagnosis of a switch having a first and a second load connecting terminal. A first and a second current source arrangement are provided, which can in each case be connected to one of the l... | 12/19/2006 |
| 7142402 | Wiring error detection circuit A wiring error detection circuit for providing the status of the wiring of an AC outlet and the status of the AC outlet's ground connection. ... | 11/28/2006 |
| 7118380 | Connector arrangement in wrist strap monitors A connector assembly for a wriststrap jack is provided wherein the jack may be easily replaced in accordance with the invention. ... | 10/10/2006 |
| 7116239 | Current sense components failure detection in a multi-phase power system An evaluator (210) having an input (207) for receiving a signal indicative of a channel current sensed via a sensor in a mutlichannel current sharing system, and circuitry (313, 319) coupled to the input (207) and responsive to the signal... | 10/03/2006 |
