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| Number | Title | Issue Date |
| 8184011 | Visual indication of fault status, storage and clearance in an arc fault circuit interrupter (AFCI) An arc fault detector includes a means for repeatedly measuring an elapsed time. The arc fault detector also includes at least one means to perform arc detection at each repeated elapsed time. Means for initiating a tripping mechanism is activated after the elapsed ... | 05/22/2012 |
| 8094034 | Detecting actuation of electrical devices using electrical noise over a power line Activity sensing in the home has a variety of important applications, including healthcare, entertainment, home automation, energy monitoring and post-occupancy research studies. Many existing systems for detecting occupant activity require large numbers of sensors,... | 01/10/2012 |
| 8059008 | Surface-mounted crack detection A cementitious compound provides a brittle undercoat for making a surface-mounted crack sensor on a surface. A low percent elongation and low tensile strength of the cementitious compound have proven valuable in ensuring that cracks in the underlying surface are tra... | 11/15/2011 |
| 8004419 | Intrusion detection using a conductive material Tampering with an assembly that includes an integrated circuit is detected by measuring a change in at least one property of a conductive molding formed over at least a portion of the integrated circuit. For example, the conductive molding can be a mixture of resin ... | 08/23/2011 |
| 7965194 | Operation abnormality detector of electronic modules, particularly a card reader in a self-serving bank machine An operation abnormality detector of electronic modules detects an abnormality in an associated device, such as the presence of a foreign body nearby the device. The detector can be used, for example, in the mouthpiece of a card reader of a self-serving banking mach... | 06/21/2011 |
| 7948390 | System and method for continual cable thermal monitoring using cable characteristic considerations in Power over Ethernet A system and method for continual cable thermal monitoring using cable characteristic considerations in Power over Ethernet (PoE) applications. Cable heating in PoE applications is detected through changes in electrical characteristics of the cable itself. By period... | 05/24/2011 |
| 7821414 | Polyphase source detecting circuit A polyphase source detecting circuit configured for detecting a polyphase source having three sources includes three sampling circuits and an alarm circuit. Each sampling circuit has a control switch. A control terminal of the control switch of each sampling circuit... | 10/26/2010 |
| 7817055 | Boat power isolator adapter A galvanic ground isolator adapter protects against galvanic corrosion on a boat when a boat power system is connected to a shore power system. A ground isolation assembly in the ground connection between the two system grounds prevents current from passing between ... | 10/19/2010 |
| 7777636 | System and method for continual cable thermal monitoring using cable characteristic considerations in power over Ethernet A system and method for continual cable thermal monitoring using cable characteristic considerations in Power over Ethernet (PoE) applications. Cable heating in PoE applications is detected through changes in electrical characteristics of the cable itself. By period... | 08/17/2010 |
| 7710286 | Intrusion detection using a conductive material Tampering with an assembly that includes an integrated circuit is detected by measuring a change in at least one property of a conductive molding formed over at least a portion of the integrated circuit. For example, the conductive molding can be a mixture of resin ... | 05/04/2010 |
| 7688217 | System and method for detecting and monitoring shell cracks on freight containers A device system and method for detecting shell cracks on a container. The device has a plurality of sensing units, an interface circuit, a receiver module, a CPU and alarm unit. A signal is generated from the sensing unit and transmitted to the CPU via an interface ... | 03/30/2010 |
| 7667610 | Producing an indication of solar panel condition based on age and actual power output A method and apparatus for producing an indication of solar panel condition is disclosed. The method involves receiving operating condition signals including an irradiance signal representing electromagnetic radiation received by the solar panel, and an age signal r... | 02/23/2010 |
| 7636051 | Status monitor apparatus A statistical value update unit calculates the fluctuation of measurement data. A filtering processing unit extracts a normal white noise component from the fluctuation of the measurement data using an adaptive lattice filter. A statistical test unit determines whet... | 12/22/2009 |
| 7612682 | Locator with removable antenna portion A locator is disclosed that includes a base module and an antenna module. The base module and antenna module are coupled both mechanically and electrically at a joint. Such an arrangement allows for easy stowage and shipment of the locator as well as the ability, by... | 11/03/2009 |
| 7535375 | Lamp or LED failure monitoring system A light failure monitoring system using existing alarm panels includes a first circuit capable of turning on a solid state switch or transistor, which turns on a lamp or LEDs. The system also includes a second circuit having a light sensitive device, such as a photo... | 05/19/2009 |
| 7535374 | Security cover A cover and method for protecting objects is provided. The cover includes a flexible sheet, wherein the sheet comprises a lower layer of a carbon fiber weave material; and an alarm module attached to the lower layer, wherein the alarm module comprises at least one s... | 05/19/2009 |
| 7528733 | Security case and method of manufacture A security case includes a shell (1) formed of a wall or lining (2) made of a layered composite material. The wall or lining (2) has at least three layers (3, 4, 5) including two conductive layers (3, 5) made of an electrically con... | 05/05/2009 |
| 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 |
| 7439851 | Cab receptacle with indicator light An electrical indicator system and a method for operating the system includes a plug adapted to be electrically coupled to a power source remote from the vehicle and an indicator adapted to be mounted to the vehicle at a visible location. The indicator is operable t... | 10/21/2008 |
| 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 |
| 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 |
| 7423546 | Device, system and method for monitoring a household electric appliance A device is described, for monitoring a household electric user (COT, LB, AU), in particular a household appliance, presenting an electric load, where said monitoring device (AI) is connected between a source of electric energy (PDC) and said electric load, said mon... | 09/09/2008 |
| 7421290 | Power supply subsystem for powering a node over communication cabling A power supply subsystem configured for connection between a LAN switch and at least one node, the power supply subsystem providing electrical power to the at least node over communication cabling, the power supply subsystem comprising: a management and control unit... | 09/02/2008 |
| 7401007 | Method, computer program and apparatus for extracting large size signal data samples with an automatically adjusted decimation ratio A method for rapidly extracting data file samples with an a signal monitor and an automatically adjusted decimation ratio is provided to solve the long-standing problems caused by large data files and small buffers by reducing a large data segment to a smaller, more... | 07/15/2008 |
| 7397364 | Digital wireless position sensor A method is provided for tracking an object, including positioning a radio frequency (RF) driver to radiate an RF driving field toward the object, and fixing to the object a wireless transponder that includes a power coil and at least one sensor coil. The method als... | 07/08/2008 |
| 7391334 | Connection checking system, printer device, method of checking connected state, connection checking program, and recording medium storing connection checking program A connection checking system of the present invention is arranged so as to apply a power supply voltage which is dropped by the resistance to a terminal when the control substrate and the unit are connected. Then, the control section determines that the unit is conn... | 06/24/2008 |
| 7391335 | Aerospace light-emitting diode (LED)-based lights life and operation monitor compensator A system (10) and method for monitoring the operational life and/or performance of one or more light-emitting diodes (LEDs) (20) based on sensed parameters are disclosed. The remaining life of each LED may be predicted by counting the clock cycles duri... | 06/24/2008 |
| 7388509 | System and method for detecting electrolysis in an automobile system A system for detecting electrolysis in an automobile system includes a probe, a microcontroller electrically coupled to the probe, a power supply configured to supply power to the microcontroller, a ground lead, and an optical indicator operationally coupled to the ... | 06/17/2008 |
| 7388508 | Uninterruptible power supply controller and method Exemplary embodiments include an uninterruptible power supply including: at least two inputs in operable communication with a plurality of switches; a plurality of AND gates in operable communication with the plurality of switches; a plurality of NOR gates in operab... | 06/17/2008 |
| 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 |
| 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 |
| 7378977 | Current overload detecting system and method A current overload detecting system and method applicable in a data processing device connected with a plurality of electronic devices is disclosed, each of the electronic devices having a USB interface. The data processing device has a plurality of USB ports corres... | 05/27/2008 |
| 7369045 | Monitoring system and device for an electric power line network A device is provided for monitoring an electric overhead line, which device is constituted by an independently operating real time multisensor for mounting in a position on a span of the overhead line. The device has a built-in transmitter for transmitting sensor si... | 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 |
| 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 |
| 7333022 | Safety monitoring mechanism of a wafer fabrication platform A safety monitoring mechanism of a wafer fabrication platform is disclosed. The mechanism comprises a vibration sensor mounted at the loading apparatus of the wafer fabrication platform for detecting vibration generated during the operation of the loading apparatus;... | 02/19/2008 |
| 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 |
| 7327274 | Programmable panel schedule The programmable panel schedule is an apparatus for monitoring and modifying electrical circuits. The programmable panel schedule can eliminate the need to rely on paper schedules and permit a building engineer to instantly assess any monitored circuit for changes, ... | 02/05/2008 |
| 7323985 | Electronic warning system and method The invention provides an electronic warning system, including an electrical line of a fence extending along a protected area; a pulser; a transmitter for transmitting pulses through the line; a receiver for receiving the pulses after being transmitted along at leas... | 01/29/2008 |
| 7321314 | Device, system and method of detection of input unit disconnection Briefly, a detector to detect a connection status of an input unit to a standard socket of a computing platform based on an operational property of the input unit. ... | 01/22/2008 |
