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7623042 Wireless network control for building lighting system  
Wireless control of lighting fixtures via a wireless radio network using a radio-controlled relay device located between a lighting fixture or a ballast of a fluorescent fixture and its power...
7573393 Integrated fault output/fault response delay circuit  
A time delay fault device includes an integrated circuit (IC) having an electronic circuit having a fault indicator signal output and a time delay circuit having an input connected to the fault...
7545284 Signaling appliance, in particular a signaling column  
A signaling appliance is provided, in particular a signaling column for indication of at least one operating state of a technical appliance such as a machine, an installation, a vehicle or the...
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...
7532128 Position sensitive indicator detection  
A detector for a test system having multiple indicators uses position sensitive light detection by multiple light detecting elements to produce a measured signal vector. The measured signal vector,...
7495579 Traffic light status remote sensor system  
A Traffic-Light Status Remote Sensor System is disclosed. The basic system consists of a set of lenses, detectors, and narrowband filters. The sensor system is capable of determining the status of...
7492275 Apparatus and method to visually indicate the status of a data storage device  
A data storage and retrieval system that comprises a data storage device is disclosed. The data storage and retrieval system further comprises a first LED, a second LED, a third LED, and a fourth...
7385481 Method and apparatus for tri-color rail signal system with control  
A signaling control device apparatus ( 10 ) comprises at least one LED ( 20 ) having a light emitting surface ( 18 ). A sensor ( 24 ) is set to detect an external light load ( 16 ) directed to the...
7385519 Apparatus and method for operability and live-dead-live testing  
An operability testing apparatus used in conjunction with an electrical testing apparatus to perform live-dead-live tests consists of: a power source; a voltage source coupled to the power source...
7369056 Photoelectric controller for electric street lighting  
An electric street light controller apparatus and monitoring method allows automatic street light turn-on and turn-off characteristics to be field programmable using RFID technology, lamp current...
7333021 Opening/closing apparatus for vehicle door  
An opening/closing apparatus for a vehicle door includes: a door handle secured to an outer surface of the vehicle door, the door handle being manipulated by a user for opening and closing the...
7319404 Non-invasive, low cost method and apparatus for the transmission, display and detection of internal computer status  
A method and apparatus for permitting diagnostics in a PC is described. Signals, imperceptible to a user, are transmitted through the LED used to indicate on/off power status. A small hand-held...
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.
7298244 NBC marker light  
An NBC marker light is designed to be simplistic, lightweight, and expendable. The case is two pieces, designed for ease of assembly. The assembly includes a circuit card, one or more batteries,...
7295105 Turn indicator unit for a relay-controlled flasher  
A turn indicator unit includes a light source, a matching module, and a current interrupter. The light source is coupled across an output side of a flasher. The matching module is coupled across...
7259685 Landing light fault annunciator  
A helicopter of the type having an electrical system, a landing light, a master switch and a power supply of between about 18-32 V for operating the electrical system when the master switch is in...
7245224 Methods and systems for diagnosing projection device failure  
Projection device failure may be diagnosed by sensing improper operation of projection lamp ignitor circuitry. An ignitor failure indicator may be activated based on a sensed failure in the...
7196633 Integrated radio tower light controller and alarm reporting device  
An integrated radio tower light controller and alarm reporting device is described that is made up of solid-state current sensing modules that monitor the AC current distributed to the various...
7158041 Electrical protection device and method for a communication circuit  
A protection device for a communication circuit that includes a sensor monitoring a protection device parameter and an indication module coupled to the sensor. The indication module generates an...
7154403 Apparatus and method for monitoring the output of a warning or indicator light  
An operational status detection system for a railroad warning device having a warning light, comprising: a photodiode configured to generate a signal corresponding to a light output of the warning...
7154378 Apparatus and method for using RFID to track use of a component within a device  
RFID circuitry is used in an endoscopic light source unit to track cumulative light bulb use information. An inductively powered RFID tag is affixed to the light bulb assembly, and communicates...
7129856 Illuminated sign for traffic control and method for functional monitoring of such a sign  
An illuminated sign is for traffic control, in particular for road traffic, and includes light sources for generation of the sign and a monitoring device for functional monitoring of the light...
7123165 Apparatus and method for monitoring the output of a warning or indicator light  
An operational status detection system for a railroad warning device having a warning light, comprising: a photo detector configured to generate a signal corresponding to a light output of the...
7116238 Electronic apparatus and fan module replacing method  
An electronic apparatus capable of replacing a fan module during operation, includes a unit for instructing a replacement of a fan module, and a unit for controlling a fan drive voltage not to be...
7057529 LED traffic signal load switch  
An LED traffic signal having a single switching power supply placed inside the load switch to supply power to each of the aspect signals. The traffic signal has several aspects, such as red, yellow...
7046132 Lamp monitor and method for operating a lamp monitor  
A lamp monitor for a bus or other motor vehicle has a processor, a current sensor, a memory and a display for monitoring the current through the lamps. In program mode, the processor samples the...
7002453 Remote lamp status display via fiber optic system  
A method and apparatus are provided for remotely monitoring the status of a variety of illumination devices. A fiber optic cable coupled to a light fixture transmits a light display. Based on the...
6989759 Lighting system  
A lighting system contains at least one controllable first light (NL), which is connected to a first current supply (L, N), and at least one controllable emergency current light (SL), which is...
6982648 Lighting or indicating light unit for a vehicle and lighting or indicating system equipped with at least one such light unit  
A light unit or indicating device for a vehicle (.e.g., a vehicle lighting unit, a vehicle indicating unit, reversing radars and other systems) has a shell, a light contained in the shell, and an...
6972674 Lighting device for vehicle  
A lighting device 1 for a vehicle comprises a lighting unit having such a structure that a light emitting unit 9 including a set of light emitting elements 9 a , 9 a , . . . is connected in...
6965307 Sign sentry  
A Sign Sentry monitoring system for monitoring lighting. The Sign Sentry system includes a plurality of current sensors for inductively sensing current passing through each lighting circuit. The...
6956490 Projector with consumable component having memory device  
A system includes a projector having a consumable component such, as a lamp. The consumable component includes a memory device. An application on the projector has access to the memory device....
6956377 Disconnection detection apparatus  
A detection part (B), of a disconnection detection apparatus ( 1 A), detects an open destruction of a detection resistor. An emitter of a transistor (Q 5 ) is connected to an upstream end of a...
6930613 Electrical instruments circuits  
A device representing a simple means of multiplying the functionality of wiring in point to point control circuits such that fault tolerant, fault reporting circuits can be constructed with less...
6897785 Charging station for pagers with night light  
A recharging stand for pagers with a night light designed for the particular needs of emergency response personnel such as firemen. The light is preferably activated only in response to a signal to...
6867703 Safety-protection circuit  
In the process of drilling a concrete in a building, many times contact and damage can accidentally be made with existing electrical conduit and the wires inside, or plumbing pipes. This damage can...
6828915 Circuit board fault warning system  
A fault warning system controls light sources and a warning signal to provide an indication of fatal and non-fatal faults in a communication system. The circuitry uses a pull-down circuit in...
6828739 Light emitting device  
A light emitting device includes at least a first light source which is connectable to an energy source, a second light source, detector means for detecting a failure of the first light source, and...
6826631 System and method for indicating the status of a communications link and traffic activity on non-protocol aware modules  
A system, device, method and computer program to control and set LEDs associated with ports that are non-protocol aware is accomplished. This system, device, method and computer program does not...
6809652 Xenon light fixture with integral ballast and remote control  
A xenon light fixture having an integral power supply and a remote interface for controlling the functions of the fixture remotely. In one embodiment, the fixture includes: a housing; a power...
6791465 Tamper indicating bolt  
A tamper-indicating fastener has a cylindrical body with threads extending from one end along a portion of the body, and a tamper indicating having a transducer for converting physical properties...
6774785 Front panel light system for an electronic instrument which indicates the operating condition of the front panel lights and selected portions of the instrument  
The system tests front panel lights, such as LEDs, on an electronic instrument, the front panel lights being normally used to indicate the status of selected output conditions of the instrument....
6628203 Communication of device-related information after assembly  
Device-related information is communicated from a device to external equipment, such as test equipment as part of final production of the device. This is done by generating a modulated signal...
6584430 System and method for device monitoring  
A system for monitoring the state and performance of an analysis device, such as a capillary electrophoresis instrument. The system includes software for operating the analysis device and system...
6570505 LED lamp with a fault-indicating impedance-changing circuit  
In a light-emitting-diode lamp, there is provided an input impedance-changing circuit for establishing a low input impedance circuit when the light-emitting-diode lamp is missingline turned off....
6538448 Determining remaining operating life of fluorescent lamp  
A method for determining the remaining operating life of a fluorescent lamp comprising cathodes, when the fluorescent lamp is a part of a fluorescent lamp circuit, which in addition to the...
6535113 Electrical tell tale system for trailers  
An electrical tell tale system for trailers that consists of a unique tell tale monitor which is light weight which houses different colored light emitting diodes which define each individual...
6452501 Automatic shut-off and indication device for an electric heating appliance and electric pressing iron comprising such a device  
An automatic shut-off and indication device for an electric heating appliance is provided which includes: a sensor ( 2 ) for sensing usage of the appliance and for providing a usage-signal (US)...
6400277 Monitor for detecting failures of neon sign transformers  
A monitor for detecting failures in the installation of neon gas sign transformers has an electronic circuit in the transformer compartment to turn the transformer off in the event any failure...
6307478 Multi-zone gas detection system  
A gas detection system for use in multiple zones. The system includes a plurality of gas sensor assemblies, a central control, and an alarm. The alarm includes a plurality of indicator lights that...
Matches 1 - 50 out of 204 1 2 3 4 5 >