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| Number | Title | Issue Date |
| 8144025 | Track lighting system current limiting device A current limiting system in accordance with the present invention comprises an accessory or canopy mount device that is permanently installed between a source of electrical power 1 and a track lighting system 2. The system may be installed integrally ... | 03/27/2012 |
| 7961111 | Home control protection system A home control protection system includes at least one surge protection strip having a plurality of power outlet receptacles, and a wall mountable central control unit that is in electrical communication with the at least one surge protection strip. The surge protec... | 06/14/2011 |
| 7911351 | Track lighting system current limiting device A current limiting system in accordance with the present invention comprises an accessory or canopy mount device that is permanently installed between a source of electrical power 1 and a track lighting system 2. The system may be installed integrally ... | 03/22/2011 |
| 7880629 | Power supply device A power supply device for supplying power to a communication device includes a power source, a first fuse, a second fuse, a voltage converter, a photo coupler, and a central processing unit (CPU). The voltage converter is configured for receiving first power signals... | 02/01/2011 |
| 7755502 | Anti-tamper electronic obscurity using E-fuse technology A design structure embodied in a machine readable medium used in a design process includes a circuit that employs an anti-tamper sensor. The circuit employs an anti-tamper sensor that includes a circuit element that is responsive to a first input and to a second inp... | 07/13/2010 |
| 7755501 | Environmental fuse The invention relates to an environmental fuse, an actuator and to an associated method for protecting the actuator from failure in a specific operating environment. The environmental fuse then comprises a sensor member for detecting any change in the environment de... | 07/13/2010 |
| 7633400 | Fuse and breaker alarm device and method using a finite state machine An alarm circuit and method of monitoring a circuit protection device are disclosed. The alarm circuit includes a circuit protection device connected in series at an input voltage of a load. The alarm circuit also includes a programmable circuit connected in paralle... | 12/15/2009 |
| 7592924 | Intelligent life testing methods and apparatus for leakage current protection An apparatus for testing the life of a leakage current protection device having a leakage current detection circuit and a trip mechanism having a switch device. In one embodiment, the apparatus a ground fault simulation unit, a fault detector of the leakage current ... | 09/22/2009 |
| 7561059 | Anti-tamper electronic obscurity using E-fuse technology A circuit that employs an anti-tamper sensor includes a circuit element that is responsive to a first input and to a second input. A selective coupling element couples the circuit element to the first input and is responsive to the anti-tamper sensor. The selective ... | 07/14/2009 |
| 7535371 | Ground fault circuit interrupter with end-of-life protection A circuit interrupter with end-of-life protection has four components: 1) a control circuit to activate an electromagnetic unit upon detecting a predetermined condition; 2) a fuse coupled between the control circuit and the power supply; 3) an end life sensing circu... | 05/19/2009 |
| 7525441 | Intelligent life testing methods and apparatus for leakage current protection device with indicating means An apparatus for testing the life of a leakage current protection device having a leakage current detection circuit and a trip mechanism. In one embodiment, the apparatus includes a ground fault simulation circuit for generating a simulated ground fault during every... | 04/28/2009 |
| 7522064 | Apparatus and methods for testing the life of a leakage current protection device An apparatus for testing the life of a leakage current protection device, comprising a microcontroller unit, at least one of a first fault detector and a second fault detector, at least one of an audio alarm and a visual alarm, a power supply circuit. In operation, ... | 04/21/2009 |
| 7495574 | Electrical system controlling device with wireless communication link A system for remotely controlling and monitoring an electrical system includes an electrical system controlling device connected to the electrical system for monitoring and controlling the electrical system and electronic controls for monitoring and controlling the ... | 02/24/2009 |
| 7417554 | Wireless system for one or more electrical switching apparatus A system displays information from and controls electrical switching apparatus, such as circuit breakers. The system includes a plurality of circuit breakers having separable contacts and a plurality of conditions, such as bus temperature and contact wear. A plurali... | 08/26/2008 |
| 7408274 | Control and operating condition monitoring of dual series switch contactors for electric motor or other electrical load A circuit for controlling at least two power switches that are series connected between a source of electrical power and an electrical load, for energizing the load in response to a signal at a control input. The circuit includes a programmed controller having an in... | 08/05/2008 |
| 7405671 | Power failure alarm A power failure alarm for use in sounding a warning in the occasion of a power failure, with built in electrical connectors, and a temporary source of light. The device is housed in a molded plastic enclosure in a rectangular shape and includes an emergency light, n... | 07/29/2008 |
| 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 |
| 7397384 | Track lighting system current limiting device A current limiting system in accordance with the present invention comprises an accessory or canopy mount device that is permanently installed between a source of electrical power 1 and a track lighting system 2. The system may be installed integrally ... | 07/08/2008 |
| 7391299 | Circuit protector monitoring and management system user interface method, system and program A user interface, method system and program for circuit protector management in an electrical system. ... | 06/24/2008 |
| 7385518 | Compact fused disconnect switch A fused disconnect switch assembly includes a pull out fuse assembly and a switch housing assembly. The fuse assembly includes a line side conducting portion, a load side conducting portion, and a fuse element therebetween. The switch housing assembly includes a fus... | 06/10/2008 |
| 7369029 | Wireless communication fuse state indicator system and method An electrical fuse and method therefor includes a protective body, terminal elements extending from said protective body, and a primary fuse element extending within said protective body and electrically connected between the terminal elements, and an identification... | 05/06/2008 |
| 7369030 | Fuse state indicator A fuse state indicator includes an extension member, a secondary fuse link coupled to the extension member, and a contact pin configured to engage a first terminal element of a fuse. An end of the secondary fuse link is wrapped around the pin and establishes an elec... | 05/06/2008 |
| 7354292 | Low profile latching connector and pull tab for unlatching same A small, low-profile plug connector for use with electronic devices provides a latching member with a pair of hooks that engage mating holes in a guide frame, and which can be easily delatched from the guide frame or opposing connector or housing. The hooks lock the... | 04/08/2008 |
| 7340311 | Electrical panel access and control apparatus including true emergency stop and power buss lockout An improved electrical panel design provides a modular, power-reliable, buss-lockout and true emergency-stop capabilities. Through the use of an interface, the approach eliminates numerous outdated, if not antiquated, parts, including safety locks, mechanical discon... | 03/04/2008 |
| 7339486 | Insertion type fuse with breakage indication An insertion type fuse with breakage indication comprises a seat having a long receiving chamber for receiving a metal fuse; an rectangular bi-directional SMD form LED set being located on the buckle portions; the LED set being a coating device and being high temper... | 03/04/2008 |
| 7336314 | Image acquiring method and image acquiring apparatus The image acquiring method and image acquiring apparatus photograph an image of a subject using stroboscopic light as external illumination. The method and apparatus compare, in terms of color change, an image acquired without using the stroboscopic light and images... | 02/26/2008 |
| 7324005 | Modular surge protection A power protection system for protection against an electrical transient surge and/or interference. Such a system can be useful in the dispensing of fuel at gas stations, convenience stores, truck stops, and other such locations, for protection of the low voltage si... | 01/29/2008 |
| 7319315 | Voltage verification unit A voltage verification unit and method for determining the absence of potentially dangerous potentials within a power supply enclosure without Mode 2 work is disclosed. With this device and method, a qualified worker, following a relatively simple protocol th... | 01/15/2008 |
| 7310049 | Status indicator A status indicator indicates an operating state, including an electrical malfunction, of an electrical load that is located and controlled from locations remote from a monitoring location. ... | 12/18/2007 |
| 7304834 | Power distribution panel with modular elements A power distribution panel having circuit elements such as KTK and GMT fuses removably mounted to a unit housing by means of module members, thereby allowing for ease of customization of the circuit elements of the power distribution panel. ... | 12/04/2007 |
| 7301738 | Method and apparatus for minimally invasive network monitoring A method and apparatus for monitoring a communication network is provided. The network includes a plurality of node electronics units communicatively coupled to at least one central control processing unit through at least one network wherein each network includes a... | 11/27/2007 |
| 7301432 | Fusing terminal device A fusible link device comprising a housing that contains terminals for terminating incoming/outgoing wires, and that also contains a fusible link that interconnects a pair of the terminals in series, the fusible link device providing a self-contained unit/module for... | 11/27/2007 |
| 7253740 | Method and apparatus for monitoring for failure temperatures of a structure An apparatus for monitoring a temperature of a structure, comprising: one or more electrically conductive loops adapted to be affixed to the structure, each including first and second elongate connection strips each made of a first metal composition having a first m... | 08/07/2007 |
| 7253637 | Arc fault circuit interrupter system In order to determine whether arcing is present in an electrical circuit, a sensor signal corresponding to current in said electrical circuit is processed. The sensor signal is filtered to determine the presence of noise in a predetermined frequency range and produc... | 08/07/2007 |
| 7227279 | Phase deficiency display device for thermal magnetic type molded case circuit breaker Disclosed is a display device for a thermal magnetic type molded case circuit breaker capable to display a phase deficiency occurred on a line to a user such that the user rapidly deals with the phase deficiency and prevents loss caused by over-heating generated due... | 06/05/2007 |
| 7221145 | Simplified power monitoring system for electrical panels A power monitoring system for electrical panels providing multi-phase power, with multiple current sensors. The disclosed power monitoring system preferably determines the instantaneous power provided to each of multiple loads by sensing the potential and phase of e... | 05/22/2007 |
| 7221283 | Circuit interrupter locator device A system for identifying a selected electrical circuit of interest from a number of electrical circuits, by locating a circuit interrupter connected to interrupt the flow of electrical power from an electrical power supply to the selected circuit of interest. The sy... | 05/22/2007 |
| 7191510 | Electroluminescent (EL) lamp with current limiting fuse An electroluminescent (EL) lamp having at least two integral fusible links and a method of manufacturing such a lamp are disclosed. The present invention provides for a fusible link between the front electrode input power contact area and the transparent electrode. ... | 03/20/2007 |
| 7187177 | Method of monitoring a power distribution unit A method of monitoring a power distribution unit (306) may include providing a power distribution unit frame (310), where the power distribution unit frame has a 2U form factor (312), and where the power distribution unit frame is coupled to mou... | 03/06/2007 |
| 7171317 | Load information display device and circuit breaker This invention is intended to reduce the cost by displaying the load information of a plurality of circuits with a single display device and transferring one of the two communication units in the measuring instruments from the measuring instruments to the display de... | 01/30/2007 |
