Class / Patent application number | Description | Number of patent applications / Date published |
315086000 | AUTOMATIC SUBSTITUTION OF THE POWER SUPPLY | 88 |
20080224617 | Remotely Monitored And Controlled Distributed Emergency Power System - An emergency lighting system includes a plurality of emergency lights and a plurality of emergency power systems. Each of the plurality of emergency power systems is electrically connected to a respective one of the plurality of emergency lights through a respective one of a plurality of power switches. The emergency lighting system also includes a plurality of processors. Each of the plurality of processors is electrically connected to a respective one of the plurality of emergency power systems and executes software that monitors a status of a respective one of the emergency power systems and controls a state of the plurality of power switches. The emergency lighting system also includes a plurality of radio transceivers. Each of the plurality of radio transceivers is electrically connected to a respective one of the plurality of processors and communicates with other radio transceivers in the plurality of radio transceivers that are in radio wave proximity. In addition, a gateway node radio transceiver routes signals to and from the plurality of radio transceivers. | 09-18-2008 |
20080252218 | Low-Pressure Mercury Vapor Discharge Lamp - A low-pressure mercury vapor discharge lamp is operable in a first mode of operation (“normal mode”) and a second mode of operation (“emergency operation”). The discharge lamp comprises a discharge vessel ( | 10-16-2008 |
20080258628 | Light Emitting Diode Emergency Lighting Methods and Apparatus - An LED based emergency lighting system is described. Unlike a typical approach in which one lighting system provides normal ambient lighting and a second different system provides auxiliary emergency lighting, a common integrated system can be satisfactorily employed. | 10-23-2008 |
20090026960 | RELAMPING CIRCUIT FOR BATTERY POWERED BALLAST - A ballast (e.g. a fluorescent light ballast) includes a primary ballast for powering the lamp from a power supply (e.g., utility line power) and an battery powered ballast for powering the lamp from a battery when the primary power supply is not energized by the power supply. When power supply power is restored to the ballast, the ballast shuts down the battery powered ballast and a switch circuit operably connects the lamp to the primary ballast. The ballast toggles the switch circuit such that the primary ballast detects replacement of a lamp and resets any fault detection or protection circuits (e.g., an end of lamp life circuit) that may have been triggered during the transition from battery power to power from the power supply. | 01-29-2009 |
20090026961 | Low power consumption LED emergency light - The present invention is to provide an emergency light comprising a housing, a matrix shaped LED light module, a charging module, and a power cord having one end extending out of the housing for connecting to an AC source and the other end electrically connected to the charging module and the matrix shaped LED light module respectively. Power of the AC source is either fed to the charging module for charging the charging module via the power cord or fed to the matrix shaped LED light module for illuminating a predetermined area with high-intensity light. Due to the low power consumption characteristic of the matrix shaped LED light module, the emergency light has the ability of consuming a minimum amount of energy in illumination and prolonging the time period of illumination while no electrical current is supplied to the emergency light. | 01-29-2009 |
20090026962 | Method and system for economical emergency activation of electrical devices - The invention provides a method for economical emergency activation of an electrical device, the method comprising sensing an effect associated with activity of the electrical device, detecting an electrical power interruption and activating the electrical device during the electrical power interruption, in case decrease in the effect is sensed in time proximity to the power interruption. The invention also provides an activation circuit for economical emergency activation of an electrical device, the activation circuit comprising a detector for sensing an effect associated with activity of the electrical device, a voltage detector for detecting an electrical power interruption and a driver for activating the electrical device during the electrical power interruption, in case decrease in the effect is sensed from before the electrical power interruption until after the beginning of the electrical power interruption. | 01-29-2009 |
20090039788 | LIGHT UNIT WITH INTERNAL BACK-UP POWER SUPPLY, COMMUNICATIONS AND DISPLAY - A light unit that includes an internal power supply that may be used in the event of an external power failure to provide power to the light unit. In one aspect, the present disclosure provides a lighting apparatus, comprising (a) a power input configured to receive external power from an external power source; (b) a solid state light element that is interconnected to the power input; and (c) a back-up power source that is interconnected to the solid state light element and the power input and that provides power to the solid state light element when the light element is not provided with power from the power input. | 02-12-2009 |
20090045748 | Emergency Lighting Structure - An emergency lighting structure is disclosed. The lighting structure employs high brightness LED as light source supply and dry cells are used to provide current during emergency. A plug is secured to a socket and when AC is interrupted, a current detection unit detects the interruption to trigger the power of the dry cells. When the dry cells are exhausted, a capacitance detection unit detects the status of current supply to trigger flashing which is controlled by a flash control unit. | 02-19-2009 |
20090108758 | BATTERY-POWERED FLUORESCENT LAMP - A lamp includes a light source, a power tool battery for providing a DC voltage level, and a base for housing the power tool battery. A stem is coupled to the base and supports the light source. A power inverter converts the DC voltage level to an AC voltage level, and a current sensing circuit operatively coupled to the converter or the inverter senses an over-current condition when the converter or the inverter draws more than a predetermined amount of current. The converter or inverter is disabled if the over-current condition continues for more than a predetermined amount of time so that the light source receives the AC voltage level and is illuminated for the predetermined amount of time before power is removed. | 04-30-2009 |
20090195161 | EQUIPMENT AND METHODS FOR EMERGENCY LIGHTING THAT PROVIDES BROWNOUT DETECTION AND PROTECTION - The present invention relates to systems, equipment and methods that provide emergency lighting and allow the detection of brownout conditions. One aspect of the present invention is an emergency lighting system with an input voltage interface for receiving an input voltage, a brownout detection component for detecting a brownout condition on the input voltage and generating a brownout signal, a switch mode power converter for altering the input voltage; and an emergency lighting control and battery charging component for controlling the charging of a battery pack and receiving the brownout signal. Another aspect of the invention is a method of providing emergency lighting performed by receiving an input voltage; automatically establishing a brownout threshold relative to the input voltage; and detecting a brownout condition. | 08-06-2009 |
20090322228 | False Failure Prevention Circuit In Emergency Ballast - A backup ballast used with a primary ballast for providing power to one or more lamps. The backup ballast includes an output switch and a delay circuit. The output switch has a first operating mode for connecting a primary power source via the primary ballast to a first set of the lamps and second operating mode for connecting a backup power source with a second set of the lamps. The output switch operates in the first operating mode when it is energized and in the second operating mode when said it is not energized. The delay circuit is adapted for connecting to the primary power source for receiving power therefrom. The delay circuit is connected to the output switch for energizing it while the power is being received and for a delay period thereafter. The delay circuit includes an energy-storage component for storing energy while the power is being received and discharging the stored energy when the power is not being received in order to energize the output switch for the delay period. | 12-31-2009 |
20100013392 | Indicator test switch for downlight lighting device and bracket therefor - A lighting device including a test device for testing the proper operation of a primary and a secondary power supply alternatively providing electrical power to the light. The test device is attached to a bracket using a single fastener such as a nut and the bracket is attached to a receptacle for the light using a different single fastener, such as a pop-rivet or screw. | 01-21-2010 |
20100066250 | COMBINATION EMERGENCY LIGHT AND NIGHTLIGHT - A light device includes a nightlight unit adapted to operate in an automatic mode, an on mode, or an off mode; an illumination unit comprising a sensor, the illumination unit being removably secured to the nightlight unit; and a charging unit for charging the illumination unit. The lighting unit is adapted to come on automatically by operating in the automatic mode, continuously emit light by operating in the on mode, or stop emitting light by operating in the off mode. The illumination unit is adapted to come on automatically to emit light either when the sensor senses an activating condition in the form of an absence of AC or after removing from the nightlight unit. The sensor is adapted to disable the illumination unit either when sensing a termination of the activating condition or after placing the illumination unit in the nightlight unit and electrically connecting thereto. | 03-18-2010 |
20100072896 | Panel Board Emergency Lighting System - An emergency lighting system comprising an electrical panel board comprising a phase layout comprising a plurality of consecutively arranged phases wherein a pair of consecutive phases are of the same phase, a 2-pole branch circuit breaker electrically connected to the pair of consecutive phases that are of the same phase, and a 1-pole remotely-operated-relay electrically connected to one pole of the 2-pole branch circuit breaker. The emergency lighting system further comprises an emergency lighting fixture comprising a normal power input electrically connected to the load side of the 1-pole remotely-operated-relay such that the normal power input is connected to one phase of the plurality of phases, an emergency power input electrically connected to the load side of the 2-pole branch circuit breaker such that the emergency power input is electrically connected to the two consecutive phases of the same phase. The emergency lighting fixture further comprises a neutral power input and a battery electrically connected to the emergency power input. | 03-25-2010 |
20100148671 | PATHWAY INDICATING LUMINAIRE - A pathway indicating luminaire for use in an auxiliary lighting system contains at least one source of primary light and at least one light emitting diode. A switching system provides energy from a storage cell to the light emitting diode upon certain conditions, generally by time or by lack of ambient light. | 06-17-2010 |
20100194277 | LED Emergency Light Installed in Lamp Receptacle - The present invention relates to an LED emergency light installed in a lamp receptacle. The LED emergency light includes a light source unit ( | 08-05-2010 |
20100213848 | DETECT METHOD FOR STEP DIMMING SELECTION - A detect method is provided for performing step dimming selection in an electronic ballast including an End of Lamp Life detect circuit and a half-bridge inverter, the End of Lamp Life detect circuit being connected to an input terminal of the control circuit, wherein each time when the power switch is turned on, it is judged whether the electronic ballast should enter the dimming mode or not by detecting the voltage at the input terminal of the control circuit before the half-bridge inverter starts operating. | 08-26-2010 |
20100213849 | LED POWER FAILURE LIGHT - The current invention for LED power failure light device which has 1 | 08-26-2010 |
20100237781 | WIRELESS CONVENIENCE LIGHTING SYSTEM AND METHOD OF MAKING SAME - A wireless convenience lighting system, comprises a base unit, the base unit connectable to an AC power supply, the base unit having a transmitter structure emitting at least one signal indicating one of an AC power loss or the AC power on, a remote lighting unit having a light source, and auxiliary power supply and a receiver structure, the receiver structure receiving the signal from the base unit, the base unit wirelessly activating the light source of the remote lighting unit when the AC power is lost. | 09-23-2010 |
20100301751 | POWER SOURCE SENSING DIMMING CIRCUITS AND METHODS OF OPERATING SAME - Lighting is controlled by receiving an input signal, determining whether the input signal is an AC signal or a DC signal and generating a dimming command signal based on the determination of whether the input signal is an AC signal or a DC signal. For example, determining whether the input signal is an AC signal or a DC signal may include generating an average signal indicative of an average duty cycle of the input signal and determining whether the average signal meets a predetermined criterion. | 12-02-2010 |
20100301752 | RESETTING AN ELECTRONIC BALLAST IN THE EVENT OF FAULT - A ballast for driving one or more lamps includes a controller and a current reduction circuit for accelerating a controller reset. Upon detecting a fault, the controller disables the ballast for a preset period of time, and resets. The controller additionally resets when the ratio of a supplied second value to a supplied first value falls below a threshold value. The current reduction circuit reduces the supplied second value in less than the preset period of time, such that the ratio falls below the threshold value and the controller resets. An emergency lighting system includes the ballast as a primary ballast, a backup ballast, and a primary power source. The controller detects a fault if the primary power source de-energizes and the backup ballast disconnects the one or more lamps from the primary ballast. The current reduction circuit accelerates the reset of the controller when the primary power source de-energizes. | 12-02-2010 |
20100320913 | LIGHT EMITTING DIODE (LED) MODULE WITH TIME DELAY FUNCTION - The present invention provides a light emitting diode LED module with a time-delay lighting function, having an LED light-emitting unit on the power input circuit. The power input circuit for the LED light-emitting unit is connected with main power supply, backup power supply and backup power controller. The backup power supply and LED light-emitting unit are connected in parallel. At least two circuits are formed at the output end of the main power supply, one of which is connected with LED light-emitting unit for power supply and lighting purpose, and the other one of which is connected with the backup power supply via the backup power controller, allowing for charging/discharging of the backup power supply. | 12-23-2010 |
20100320914 | SAFE LIGHTING SYSTEM - A lighting system comprising a light source, a fiber rope into which light emitted from the light source is coupled, and a control unit for controlling the optical power of light emitted by the light source to maintain the fiber rope at or below a predetermined upper temperature even if the fiber is partially or fully severed. | 12-23-2010 |
20110121734 | LIGHT EMITTING DIODE (LED) BEACON - A beacon for use at transportation hubs, such as airports, heliports, and marine vessels and for marking aviation obstructions. The beacon is modular in design and has a substantially cylindrical housing that includes a bottom portion, a window and a top portion, sealed by gaskets. The beacon is configured for outdoor use and is explosion-proof or, at least, explosion-resistant. The housing defines a cavity that abuts the window. A reflector and a light source, such as a light emitting diode (LED) or an array of LEDs, are mounted in the cavity of the housing. The beacon includes a control unit with a GPS transceiver unit and another control inlet/outlet. Using the control unit, the beacon can operate individually or in a coordinated manner with other beacons. | 05-26-2011 |
20110133649 | MECHANISMS FOR LIGHT MANAGEMENT - Mechanisms for light management include a light emitting diode (LED) light bulb. The LED light bulb includes multiple light emitting diodes (LEDs) configured for illumination in the LED light bulb and includes a battery. A base is configured to fit a standard socket designed for an incandescent light bulb, and the base is configured to operatively connect to an electrical power source. A module is operative to detect a residual voltage of the power source when a control for powering the LED light bulb is powered off. The module is configured to determine that a power outage occurred and operative to switch to battery power from the battery in response to not detecting the residual voltage of the power source. | 06-09-2011 |
20110148302 | Remotely Monitored And Controlled Distributed Emergency Power System - An emergency lighting system includes a plurality of emergency lights and a plurality of emergency power systems. Each of the plurality of emergency power systems is electrically connected to a respective one of the plurality of emergency lights through a respective one of a plurality of power switches. The emergency lighting system also includes a plurality of processors. Each of the plurality of processors is electrically connected to a respective one of the plurality of emergency power systems and executes software that monitors a status of a respective one of the emergency power systems and controls a state of the plurality of power switches. The emergency lighting system also includes a plurality of radio transceivers. Each of the plurality of radio transceivers is electrically connected to a respective one of the plurality of processors and communicates with other radio transceivers in the plurality of radio transceivers that are in radio wave proximity. In addition, a gateway node radio transceiver routes signals to and from the plurality of radio transceivers. | 06-23-2011 |
20110163672 | LIGHT ASSEMBLY - The present invention includes an LED lighting assembly containing: a housing; one or more solid state lighting units contained within the housing and actuated by alternating current power; a night light contained within the housing and operably communicating with the solid state lighting units, the night light actuated by direct current power in the absence of light from the solid state lighting units; one or more light emitting diodes contained within the night light; and a battery source for powering the night light in the event of power interruption. | 07-07-2011 |
20110204789 | DISPLAY DEVICE AND GUIDE LAMP INCLUDING SAME - A display device | 08-25-2011 |
20110279033 | ELECTRONIC LAMP CONVERTER - An electronic lamp converter allows a lamp socket of a different specification to be converted into a lamp socket which can be connected to an LED lamp. Through an electronic converter, electronic parameters are converted, wherein the electronic converter is electrically connected with at least a special function unit which enables the LED lamp to have an effect of changing a light source. Therefore, through the special function unit, the LED lamp is provided with functions of light dimming, light blending, color modulation, light induction, supplying uninterruptable power and motion detection. | 11-17-2011 |
20110291565 | Backup Battery Systems for Traffic Cabinets - Backup battery systems for traffic cabinets that control traffic lights are provided herein. Backup battery systems include a controller operably coupled to 1 or more backup battery panels having rechargeable battery cells. Preferred systems can fit and operate entirely within the traffic cabinet. | 12-01-2011 |
20110309747 | EXTENDING SERVICE LIFE OF LIGHTING FIXTURES - A device may include a power source, two or more lamps for providing light, and a controller. The controller may be configured to periodically select a first combination of one or more of the lamps, provide power from the power source to the first combination of the lamps, select a second combination of one or more of the lamps, and switch the power from the first combination of the lamps to the second combination of the one or more of the lamps after a period of time has elapsed. | 12-22-2011 |
20120001548 | SWITCH SENSING EMERGENCY LIGHTING DEVICE - In embodiments of the present invention improved capabilities are described for systems and methods that employ a control component and/or power source integrated in an LED based light source to control and/or power the LED light source wirelessly. In embodiments, the LED based light source may take the form of a standard light bulb that plugs into a standard lighting socket or fixture. | 01-05-2012 |
20120025709 | TRI-LIGHT - A lighting arrangement includes a light fixture including a plurality of light sources wherein each light source is configured to generate a different color light when energized; and a circuit arrangement included in the light fixture and operatively interposed between the plurality of light sources and a source of electrical power. This circuit arrangement is responsive to brief interruptions in the supply of electrical power of less than a predetermined period to simultaneously de-energize all of the light sources for a full duration of the interruption and to subsequently toggle energization from one light source to the next and thereby produce different color light in response to the cessation of the brief interruption. | 02-02-2012 |
20120043889 | Off-Grid LED Power Failure Lights - In embodiments of the present invention improved capabilities are described for systems and methods that employ a control component and/or power source integrated in an LED based light source to control and/or power the LED light source wirelessly. In embodiments, the LED based light source may take the form of a standard light bulb that plugs into a standard lighting socket or fixture. | 02-23-2012 |
20120068601 | EMERGENCY LIGHTING DEVICE FOR OPERATING A LIGHT SOURCE, IN PARTICULAR AN LED - An LED driver for operating a light source, in particular an LED, includes an energy storage unit, a driver circuit supplied by the energy storage unit during emergency lighting operation, for operating the light source, and a control unit that activates the driver circuit in such a way that the light source is operated with a constant power or constant current irrespective of the state of charge of the energy storage unit, where the control unit, for the purpose of regulating the power, determines indirectly the level of the current supplied to the light source. | 03-22-2012 |
20120074843 | Lighting Wall Switch with Power Failure Capability - In embodiments of the present invention improved capabilities are described for systems and methods that employ a control component and/or power source integrated in an LED based light source to control and/or power the LED light source wirelessly. In embodiments, the LED based light source may take the form of a standard light bulb that plugs into a standard lighting socket or fixture. | 03-29-2012 |
20120081005 | LUMINAIRE - A luminaire is provided, which includes a first light source for providing an illumination light and a second light source passing through at least one image pattern for providing a patterned light. The first light source and the second light source are coupled to a driving circuit and covered by a lamp cover. The driving circuit is used to selectively drive at least one of the first light source and the second light source for providing the illumination light and/or the patterned light. A user may turn on or switch different patterns by touching a casing of the luminaire. | 04-05-2012 |
20120086338 | ILLUMINATION SYSTEM AND METHOD FOR CONTROLLING THE SAME - An illumination system includes a power supply unit; and a light emitting apparatus driven by power supplied from the power supply unit. The light emitting apparatus includes: a first light emitting portion and a second light emitting portion configured to be independently driven to emit output light; and a controller configured to control a color temperature or a luminous flux of the output light by controlling operations of the first and second light emitting portions. The controller is configured to control an output color temperature of the output light according to color temperature control data for controlling an output color temperature of the second light emitting portion or control a luminous flux of the output light according to luminous flux control data for controlling an output luminous flux of the first light emitting portion. | 04-12-2012 |
20120098432 | Wireless Power Inverter for Lighting - In embodiments of the present invention improved capabilities are described for systems and methods that employ a control component and/or power source integrated in an LED based light source to control and/or power the LED light source wirelessly. In embodiments, the LED based light source may take the form of a standard light bulb that plugs into a standard lighting socket or fixture. | 04-26-2012 |
20120126699 | LED Light Bulb with Battery Backup and Remote Operation - An LED lighting device is presented for both general illumination and emergency backup lighting. The device has an outer bulb shell with air vents to release heat. A metal threaded base is adapted to fit into a standard incandescent bulb socket and to allow electrical current to flow into the device. Housed within the outer bulb shell, and removably connecting the shell to the metal base is a lighting assembly. The lighting assembly is a cylindrical structure comprising bright LEDs arranged along its outer surface, some of which are powered via wall outlet power from the metal base of the device, while others utilize an internal battery power source housed within the assembly. The battery powered LEDs may be remotely activated by a remote control means. Use of the remote control sends a signal to a signal receiving means on or within the device that directs the backup LEDs to illuminate. | 05-24-2012 |
20120126700 | Integrated Exit Signs and Monitoring System - A monitoring system has integrated exit signs, which preferably have electroluminescent elements. The signs connect to internal wiring of a building, but local power sources can provide emergency power if building power is lost. Controllers on the signs communicate with a central workstation using building wiring and/or wireless communication. The controllers have one or more automated features for monitoring operation of the exit signs and the surrounding environment. These automated components, including an intensity sensor, an ambient light sensor, a temperature sensor, a smoke detector, a camera, a speaker, a microphone, a motion detector, an RFID detector, and the like. Because the signs are widely distributed throughout the building, operators can get detailed information of the building environment, security, fire, smoke, temperature, etc. The exit signs can store this information locally and can communicate useful information using a communication link to the central workstation. | 05-24-2012 |
20120139417 | SMART LIGHTING SYSTEM AND METHOD THEREOF - A programmable and remotely controlled lighting system employing LED lamps is disclosed herein. The system and methods of the present invention are ideally suited for residential or commercial buildings, court yards, business parks, universities, etc. Initially light sensors are provided to the system measuring available natural and artificial light. A system or area brightness is controlled programmably or remotely via a dimmer with PWM (pulse-width-modulated) power for reduced energy consumption. Wireless command and control is provided by microcontrollers with radio frequency transmitters and receivers. Additional circuitry is included to adequately compensate for transient input voltage. The lighting system further may be easily implemented to other systems able to be controlled by computer such as video surveillance systems and | 06-07-2012 |
20120153828 | APPARATUS, METHOD, AND SYSTEM FOR EVENT AND BACKUP LIGHTING - An apparatus, system, and method for solid state lighting is envisioned which, according to aspects of the invention, provides primary event and/or utility lighting during normal power conditions, and which, during periods of interrupted power, provides uninterrupted event lighting for a desired duration, provides a gradual transition from event lighting levels to utility lighting levels, and provides a gradual transition from utility lighting levels to emergency lighting levels. | 06-21-2012 |
20120194073 | DRIVING CIRCUIT CAPABLE OF ENHANCING ENERGY CONVERSION EFFICIENCY AND DRIVING METHOD THEREOF - A driving circuit includes a switch, a detecting unit, a current supply unit, and an energy storage unit. The current supply unit is used for providing a driving current for at least one series of light emitting diodes. The detecting unit is used for comparing a voltage of a first terminal of the detecting unit with a reference voltage to generate a switch control signal. When the switch is turned on according the switch control signal, a first voltage drives the series of light emitting diodes through the switch and the energy storage unit is charged according a charge current. When the switch is turned off according the switch control signal, the energy storage unit drives the series of light emitting diodes according to a discharge current. | 08-02-2012 |
20120206044 | EMERGENCY LIGHTING BALLAST DEVICE WITH A PLURALITY OF BALLAST OUTPUTS FOR FLEXIBLE LAMP CONNECTION CONFIGURATIONS - An emergency lighting ballast device includes a housing; a circuit disposed within the housing and configured to receive a battery supply voltage and to process the battery supply voltage for driving one or more fluorescent lamps; and at least three ballast outputs providing at an exterior of the housing, each ballast output being directly connected to a different electrical component of the circuit than the other ballast outputs and being configured to be selectively connected to the one or more fluorescent lamps to supply power from the circuit to the one or more fluorescent lamps | 08-16-2012 |
20120248983 | MULTIPLE LIGHT LEVEL ELECTRONIC POWER CONVERTER - A lighting system converter circuit of a lamp power converter to selectively operate a plurality of lamps connected thereto is provided. The lighting system converter circuit includes a first impedance circuit and a second impedance circuit. Each impedance circuit includes an input terminal, an impedance component, and a switching network. The impedance components are each configured to connect in series with the lamps. Each input terminal is configured to receive a control signal that indicates a state of a switch. Each control signal has a first logic level, indicating the switch is non-conductive, and a second logic level, indicating the switch is conductive. Each switching network is connected to its respective input terminal and in parallel with its respective impedance component, and is configured to selectively operate between a conductive state and a non-conductive state, as a function of the logic level of its respective control signal. | 10-04-2012 |
20120268008 | LED Circuits and Assemblies - An AC-driven LED circuit | 10-25-2012 |
20120319583 | LED Ballast Mount - An LED ballast mount preferably includes a housing assembly having sidewalls including a housing LED side wall and a housing opposite side wall. A rechargeable battery is installed in a battery assembly and the battery assembly includes a battery housing mounted to the housing LED side wall. A first LED lamp is mounted on a lower face of the battery housing. A first fluorescent lamp socket mounted on a ballast socket face of the battery housing. A second fluorescent lamp socket mounted on the ballast socket face of the battery housing. A bridge housing including an electronic ballast mounted within the bridge housing. Fluorescent tubes may be mounted in the device. | 12-20-2012 |
20120326608 | Intelligent and Emergency Light Control - Methods, apparatuses and systems of an intelligent light controller controlling a light, are disclosed. One method includes interpreting a switch from a normal power supply to an emergency power supply. Upon interpreting the switch from the normal power supply to the emergency power supply, the intelligent light controller controllably powers the light for a predetermined period of time. Further, the intelligent light controller executes an energy-savings behavior control of the light. | 12-27-2012 |
20130033178 | Network connection device based on light source - This invention reveals an indoor network connection device. This device is combined by indoor light source and master node module, which can effectively decrease the cost of setting up indoor web facilities and make ideal of smart architecture come true. In addition, setting up these web connecting devices can easily let other web users in and even to become micro-network achieving the goal of sharing resource. | 02-07-2013 |
20130063027 | Switch sensing emergency lighting power supply - In embodiments of the present invention improved capabilities are described for systems and methods that employ a control component and/or power source integrated in an LED based light source to control and/or power the LED light source wirelessly. In embodiments, the LED based light source may take the form of a standard light bulb that plugs into a standard lighting socket or fixture. | 03-14-2013 |
20130076242 | Automatic Backup Lighting System - An emergency lighting system induces an AC current in a toroidal coil encircling a non-shielded electrical element of a power circuit, The AC current is rectified to DC and delivered to a rechargeable standby battery. The battery provides a first input to a NAND gate, and a proximity transducer provides a second input to the NAND gate. When the power circuit is energized from the power grid, both inputs to the NAND gate are high and the output is low. When no current is sensed by the transducer one of the input NAND gates is low so that the NAND gate output is high thereby delivering an illumination current to an emergency lighting LED either directly or through a boost amplifier. | 03-28-2013 |
20130099667 | ILLUMINATION DEVICE CAPABLE OF BEING CONTROLLED BY BLOW - An illumination device capable of being controlled by blow includes a casing, a light emitting module, a driving circuit board and a blow sensing module. At least one air hole is formed on a periphery of the casing. The light emitting module is disposed on a top of the casing. The driving circuit board is disposed in the casing and electrically connected to the light emitting module. The blow sensing module is disposed in the casing, electrically connected to the driving circuit board and used for sensing blow through the at least one air hole. The driving circuit board controls the light emitting module to emit light in different brightness according to a number of blows sensed by the blow sensing module. | 04-25-2013 |
20130113376 | PHOTOVOLTAIC MODULE - A solar photovoltaic module includes a solar panel that generates solar power, a light-emitting diode (LED), and a micro-chip unit that is electrically coupled between the solar panel and the LED, and detects the solar power, calculates a match relation between the solar power and consumption power of the LED, and distributing the solar power to the LED according to the match relation. Therefore, the LED may emit light all night long or during all predetermined periods, and have its flashlight types and intensity be set by software. | 05-09-2013 |
20130113377 | POWER SUPPLY UNIT FOR SIGNAL LUMINAIRES - For signal luminaires which indicate the term STOP or DANGER upon activation, a circuit containing a first operating case feed unit and a second auxiliary source is provided for the purpose of supplying a reliable power supply. In this case, the second auxiliary source is inductively coupled to the signal luminaire electric circuit; while the signal luminaires are capacitively coupled to ground. The use of switches during operation in a fall-back level is obviated in this way. | 05-09-2013 |
20130147351 | DIMMING CONTROL FOR EMERGENCY LIGHTING SYSTEMS - An emergency lighting module for providing emergency power to a solid state luminaire includes a microcontroller, and a detector coupled to the microcontroller and configured to detect a status signal indicative of a status of an AC line voltage, the emergency lighting module is configured to output a dimming control signal to the solid state luminaire in response to a reduction of the AC line voltage. The microcontroller is further configured to output a select signal to the solid state luminaire to cause the solid state luminaire to dim in accordance with the dimming control signal when the dimming control signal is output. | 06-13-2013 |
20130147352 | Solar powered electrical circuit integrating: Auxillaries & Lighting System - Powered Electrical Circuit Integrating: Auxiliaries & Lighting System hereinafter named: SPECIALS is a Process to improve Economics and to improve Electrical-Efficiency, for Solar-Cells and/or Wind-Generators that are installed atop of Parking Garages or near Parking Garages,. for Electricity Generated to be used in either Aboveground Garages in Buildings or Underground Garages in Buildings and other areas of Building. DARK Garages' unpainted GRAY Walls, Columns, Floors, Ceilings, DARK Stairways and areas are painted with bright WHITE Paint, thereby WHITE Paint, allows a REDUCTION of Electricity used to illuminate these DARK Garages and other DARK Structures. Advertising Space such as Signage, Billboards and other Media in, around and adjacent to Parking Garage and nearby Structures maybe Rented, or Sold, in which a portion of Advertising Dollars maybe budgeted to defray cost of Solar-Cells and/or Wind Generators operations. Other benefits of SPECIALS are described herein. | 06-13-2013 |
20130193847 | DETECTION AND WIRELESS CONTROL FOR AUXILIARY EMERGENCY LIGHTING - In embodiments of the present invention improved capabilities are described for systems and methods that employ a control component and/or power source integrated in an LED based light source to control and/or power the LED light source wirelessly. In embodiments, the LED based light source may take the form of a standard light bulb that plugs into a standard lighting socket or fixture. | 08-01-2013 |
20130200793 | Method, device for driving light modulation and light modulation lamp thereof - A method for driving light adjustments, a device therefor and a light adjustable lamp including the device are disclosed. The device includes a light source driving circuit, an MCU and a temporary power supplying circuit. The MCU includes a current detecting module, an analyzing and processing module and a storage module. The analyzing and processing module obtains a connecting signal or a disconnecting signal of the light source driving circuit and thereafter extracts a stored firmware program of gradually varying brightness of a light source or stored information about a constant brightness state of the light source from the storage module for analyzing and processing, so as to generate a controlling signal of adjusting the brightness of the light source and send the controlling signal into the light source driving circuit. Then the light source driving circuit adjusts the brightness of the light source according to the controlling signal. | 08-08-2013 |
20130200794 | LIGHT-EMITTING DIODE CIRCUIT AND LIGHT-EMITTING DEVICE HAVING THE SAME - A light-emitting device includes multiple light-emitting diode units sequentially connected and coupled to a first power source, a switching circuit connected to the light-emitting diode units, a second power source, and a control module. Power provided by the first power source is larger than power provided by the second power source. The second power source is connected to the light-emitting diode units through the switching circuit, which is controlled by the control module to facilitate the delivery of the power of the first power source or the second power source to the light-emitting diode units. When the first power source serves to deliver the power thereof to the light-emitting diode units, the light-emitting diode units may be in a serial conduction. When the second power source serves to deliver the power thereof to the light-emitting diode units, the light-emitting diode units may be in a parallel conduction. | 08-08-2013 |
20140117851 | ILLUMINATION SYSTEM - An illumination system includes a lighting unit, a rectifier circuit, a drive circuit and a time control circuit. The rectifier circuit rectifies an AC power from an external power source to a DC power. The drive circuit is configured for receiving the DC power and generating a first driving current. The control circuit includes a resistive element and an energy storage element. The energy storage element is electrically coupled to the resistive element, and the energy storage element is configured for charging while the external power source is supplying the power to the illumination system and generating a second driving current to the lighting unit. When the external power source turns off, the energy storage element generates a discharging current to the lighting unit with the resistive element to extend the time duration which a bright state of the lighting unit goes to a dark state. | 05-01-2014 |
20140117852 | ADAPTIVE CONTROLLED OUTDOOR LIGHTING SYSTEM AND METHOD OF OPERATION THEREOF - A lighting system ( | 05-01-2014 |
20140167610 | ILLUMINATION SYSTEM AND ILLUMINATION DRIVING METHOD - An illumination system includes a light-emitting device, a first switch element, a driving device, a detecting circuit, an arithmetic unit and a power supply unit. The first switch element is configured for receiving an external voltage supplied by an external power source. The driving device is configured for converting the external voltage to a direct-current power signal for driving the light-emitting device to emit light; the detecting circuit is configured for detecting a voltage across the first switch element and converting the voltage to a detecting signal; the arithmetic unit is configured for performing an arithmetic operation on the direct-current power signal and the detecting signal to generate a control signal; and the power supply unit is configured for supplying power for the light-emitting device according to the control signal and driving the light-emitting device to emit light. An illumination driving method is also disclosed herein. | 06-19-2014 |
20140217889 | LED LIGHTING - An LED light includes a light body; an LED light board disposed in the light body and disposed thereon a plurality of LED dies; at least one battery coupling member, which is a detachable battery carrier, disposed at an outside edge of the light body for accommodating therein a battery device which is a replaceable element; and a power switch control circuit disposed in the light body and electrically coupled to an alternate current source, the at least one battery coupling member and the LED light board so that either of an alternate current received from the alternate current source and a direct current received from the battery device is transmitted to the LED light board. The replaceable battery device disposed at the outside edge of the light body and used as a backup power supply for emergency illumination is simple in structure and low in cost. | 08-07-2014 |
20140217890 | HANDHELD DEVICE AND POWER SUPPLY CIRCUIT THEREOF - A handheld device includes a backlight driving unit and a power supply circuit for powering the backlight driving unit. The power supply circuit includes a power management unit, a battery, a first electronic switch, a second electronic switch, and a control unit. When a voltage of a second terminal of the second electronic switch is less than a reference voltage of the control unit, the control unit turns on the first electronic switch and turns off the second electronic switch. The backlight driving unit is powered by the battery through the first electronic switch. When the voltage of the second terminal of the second electronic switch is more than the reference voltage of the control unit, the control unit turns off the first electronic switch and turns on the second electronic switch. The backlight driving unit is powered by the PMU through the second electronic switch. | 08-07-2014 |
20140239811 | MECHANISMS FOR LIGHT MANAGEMENT - Mechanisms for light management include a light emitting diode (LED) light bulb. The LED light bulb includes multiple light emitting diodes (LEDs) configured for illumination in the LED light bulb and includes a battery. A base is configured to fit a standard socket designed for an incandescent light bulb, and the base is configured to operatively connect to an electrical power source. A module is operative to detect a residual voltage of the power source when a control for powering the LED light bulb is powered off. The module is configured to determine that a power outage occurred and operative to switch to battery power from the battery in response to not detecting the residual voltage of the power source. | 08-28-2014 |
20140265845 | LIGHTING DEVICE - In one embodiment of lighting devices and lighting systems, the lighting device has a connection for connecting to a primary power supply and has a secondary power supply, such as a battery. A measuring circuit is operable to measure an impedance of the primary power supply connection and to determine from the measurement if a main power supply has failed, and if so whether to power light sources using power from the secondary power supply. | 09-18-2014 |
20140292197 | APPARATUS, METHOD, AND SYSTEM FOR EVENT AND BACKUP LIGHTING - An apparatus, system, and method for solid state lighting is envisioned which, according to aspects of the invention, provides primary event and/or utility lighting during normal power conditions, and which, during periods of interrupted power, provides uninterrupted event lighting for a desired duration, provides a gradual transition from event lighting levels to utility lighting levels, and provides a gradual transition from utility lighting levels to emergency lighting levels. | 10-02-2014 |
20140292198 | MULTIPLE APPLICATION LED ILLUMINATION SYSTEM - An illumination system which houses LEDs on Printed Circuit Boards (PCB) in a lightweight, metal or plastic housing that can be configured as a stand-alone interior lighting fixture or retrofitted to a common two, three, or four tube fluorescent drop in a ceiling (troffer) light fixture. The system can also be configured as an emergency/security/night light. | 10-02-2014 |
20140320011 | EMERGENCY LIGHTING MONITORING AND REPORTING SYSTEM - An emergency lighting system with central batteries power remote LED fixtures and exit signs, with all components integrated throughout a single or multiple buildings. Status reports are available on demand and the system will generate written records required by the Life Safety Code. A wide range of fixtures optimized for emergency lighting are available for interior and exterior applications and all can be monitored via internet, with report displays available on any digital device. Easy access to batteries, automated testing, high lumen outputs, efficient optics and long lamp life ensure the lowest possible life cycle costs. | 10-30-2014 |
20140361688 | BATTERY BACKUP MOTION SENSING LIGHTING DEVICE - In embodiments of the present invention improved capabilities are described for autonomous shifting of at least a portion of a lighting load off an energy distribution grid, comprising electrically connecting a lighting device to the energy distribution grid; causing the lighting device to interpret information obtained from an information source proximate the lighting device; and causing the lighting device to select from at least two different power sources based on the interpretation, where selecting may include a sharing of the load between the two different power sources, and where one power source may be the energy distribution grid. | 12-11-2014 |
20140375206 | WIRELESS LIGHTING AND ELECTRICAL DEVICE CONTROL SYSTEM - The invention provides a plurality of individually addressable radio frequency (RF) modules, any of which can be installed with any electrical device such as an ambient condition sensor or an ambient condition modifier. A prime example would be a light fixture, whether with or without a dimmable light source efficient dimming and integrated smart sensor networking related to the lighting system itself or to other systems such as parking monitors, fire alarm monitors or security alarm monitors. Independent control processing in each lighting fixture or electrical device allows a multiplicity of sensors to be locally employed and their data to control local conditions or communicate to adjoining fixtures and electrical devices and thereby control larger portions of the lighting system network or network to several unrelated systems. | 12-25-2014 |
20150061495 | EMERGENCY-ACTIVATED NIGHT LIGHT AND METHODS FOR ACTIVATING SAME - An emergency lighting device, having a lighting device housing and power source, includes an illumination circuit powered by the power source. The illumination circuit is configured to trigger a first illumination mode having a first non-zero lumen output responsive to a first condition and a second illumination mode having a second, different, non-zero lumen output responsive to a second condition. In a preferred embodiment, the first non-zero lumen output is lower than the second non-zero lumen output. One or more light sources are retained within the lighting device housing and configured to provide illumination outside of said housing responsive to the first or second illumination mode. Finally, a signal detector retained within the lighting device housing is operative to trigger the second condition responsive to detection of a signal which, in a preferred embodiment is an audible signal such as a fire or smoke alarm signal. | 03-05-2015 |
20150108895 | AUTONOMOUS EMERGENCY LIGHT UNIT FOR AN AIRCRAFT AND EMERGENCY LIGHTING SYSTEM COMPRISING SUCH LIGHT UNIT - An autonomous emergency light unit for an aircraft has a power input for receiving power from an external power supply, a rechargeable power source, at least one LED for illuminating the emergency light unit, and a light unit control logic configured to operate the emergency light unit in a plurality of operating states as a response to external control information received and processed by the light unit control logic. The plurality of operating states includes a discharge and illumination state, with the rechargeable power source being discharged over the at least one LED in the discharge and illumination state. The light unit control logic is configured to operate the emergency light unit in the discharge and illumination state as a response to no power being provided at the power input. | 04-23-2015 |
20150108896 | APPARATUS, METHOD, AND SYSTEM FOR EVENT AND BACKUP LIGHTING - An apparatus, system, and method for solid state lighting is envisioned which, according to aspects of the invention, provides primary event and/or utility lighting during normal power conditions, and which, during periods of interrupted power, provides uninterrupted event lighting for a desired duration, provides a gradual transition from event lighting levels to utility lighting levels, and provides a gradual transition from utility lighting levels to emergency lighting levels. | 04-23-2015 |
20150130350 | Apparatus Real Time Control and Navigation System Using Networked Illuminated Signs Improving Safety and Reducing Response Time of First Responders - Apparatus networked system of intelligent devices including illuminated street signs. Street signs include: address, name, direction and message signs. Apparatus controller interfacing: sensors, street signs, operator, remote controllers. Interface includes: wireless network and INTERNET. Controller maintains status of a community, including: ambient environment, safety and status of routes within the community. Status provided by: sensors, authorized operator, remote controllers. Apparatus based on respective status executes control algorithm of street signs providing general illumination and visual information, improving safety within the community. Additionally, during emergency status, controller performs emergency control of illuminated street signs, including: direction signs, message signs, and the controls include manipulating illumination features of respective street signs with an objective to provide real-time visual navigation to minimize response time of first responders entering the community and reaching location in need of help. Apparatus configuration including closed-loop control system operating within optimization criteria and retaining functionality during power outage. | 05-14-2015 |
20150130351 | Apparatus Intelligent Parallel View LED Light, Methods of Configuration and Controls - Configurable LED light improving community safety and the environment by providing illumination as function of internal self-diagnostics and status of ambient environment, comprising: controller, sensors, LED's, interfaces, enclosure. Sensors include: ambient light, proximity, temperature, voltage, current. Interfaces include: wireless, INTERNET. LED's configurations include: single color, multicolor, flexible PCB. Enclosure configurations include: water-proof, recess, surface mounting, hidden magnets for latch-in mounting. Controller configurations define real-time control algorithm based on: sensor status; time based controls; apparatus operating acceptance criteria. Apparatus acceptance criteria include: operation within specifications; optimization of energy consumption; contribution to environmental safety. Control algorithm includes: real-time internal and external diagnostics; and controls sustaining operation within acceptance criteria. Apparatus configurations stored in non-volatile memory. LED's produce illumination parallel to the viewing surface. Apparatus in compliance with local and national regulations, and compatible with patent pending plug and power distribution. Installations include: ceilings, walls, floors; furniture; appliances; lamps; aquariums; billboards; backlighting art. | 05-14-2015 |
20150294603 | Apparatus Intelligent Illuminated Sign, Methods of Configuration and Controls - Apparatus intelligent illuminated sign comprising: controller, sensors, illumination devices, interfaces, power source. Apparatus configurations include: display, sensor, operator interface, controller interface, acceptance criteria, control algorithm. Display providing parallel view illumination, with mounting configuration including replacement without impacting integrity of apparatus. Sensors include: ambient light, proximity, temperature, power. Plug and power source includes intelligent power splitter, sustaining operation of apparatus during power outage. Operator interface include interrupting ambient light for triggering sensor status. Controller interface include: LAN, INTERNET, mobile devices. Acceptance criteria include: optimization using energy, sustaining apparatus safety and contributing to safety of surrounding environment. Control algorithm includes: executing real-time self-diagnostics, and controls to sustain apparatus operation within acceptance criteria, maintaining predefined safety margins using components of apparatus, maintaining reliability and maximizing operating life of apparatus. Apparatus configurable in compliance with local and national regulations for applications as intelligent illuminated: street address sign, street name sign; building sign, traffic sign. | 10-15-2015 |
20150380984 | EMERGENCY LIGHTING SYSTEM - An emergency lighting system is configured to activate a plurality of emergency lights in response to a determination of an emergency condition, wherein the determination of the emergency condition includes determining if the system is not receiving power from a power source and/or determining if an amount of ambient light proximate the system is below a predetermined threshold. Moreover, the emergency lighting system is configured to reduce an amount of power provided from a battery to the one or more emergency lights when an emergency condition is determined in order to maximize a battery life of the system. | 12-31-2015 |
20160141915 | EMERGENCY LIGHTING BATTERY CHARGER - An emergency lighting power supply includes a rechargeable battery; ballast circuitry configured to supply power to an external light, battery charging circuitry configured to charge the battery, and a controller. The controller determines an amount of time the rechargeable battery has discharged to supply power, via the ballast circuitry, to the external light. If the amount of time is less than a threshold, the controller causes the battery charging circuitry to supply a first current to charge the battery for a first charging period that is proportional to the amount of time, and causes the battery charging circuitry to supply a second current to charge the battery subsequent to the end of the first charging period. | 05-19-2016 |
20160192455 | BATTERY BACKUP SYSTEM FOR LED LUMINAIRE - An LED light fixture includes a housing, a controller circuit having direct current (DC) and alternating-current (AC) power inputs, a direct-current (DC) power supply unit (PSU) connected to the controller circuit, an alternating-current (AC) PSU connected to the controller circuit, and at least two groups of light emitting diodes (LEDs) operable to emit light, wherein each group includes at least one LED of a first type and at least one LED of a second type. In some embodiments, when the LED light fixture operates in a security mode the controller prevents power from flowing to the AC PSU and allows power to flow to the DC PSU to power only the first type of LEDs of the at least two groups of LEDs to emit a security light. | 06-30-2016 |
20180027630 | MODULAR LIGHTING PANEL | 01-25-2018 |
315087000 | With load device or electrode substitution | 6 |
20090195162 | Low-power illumination system and associated barrier operator - A low-power illumination system for use with an associated barrier operator, or independently, comprises at least one illumination unit adapted to be operable via mains power and a backup power supply, such as a battery. Accordingly, if mains power fails, a low-power light element maintained by the illumination unit may be responsively powered by the backup power supply to provide backup lighting. Alternatively, the barrier operator may be configured to detect a mains power failure, such that when such failure is detected, an illumination command signal also needs sent to the at least one associated illumination unit causing for it to be illuminated. | 08-06-2009 |
20090278458 | OUTDOOR LIGHTING DEVICE - An outdoor lighting device includes first and second LED arrays, first and second electric power supply systems, and a heat conducting substrate for the second electric power supply system. The first LED array works when natural wind blows. The first electric power supply system includes a fan and an electric power generator. The electric power generator is mechanically connected to the fan and configured for converting the kinetic energy of the fan into electric power for the first LED array. The second LED array works when the first LED array does not work. The second electric power supply system includes a solar cell panel for converting solar energy into electric power for the second LED array. The solar cell panel is arranged above the heat conducting substrate, and a space exists between the solar cell panel and the heat conducting substrate, thereby facilitating heat dissipation of the heat conducting substrate. | 11-12-2009 |
20110193482 | Table Lamp with Emergency Back Up Light - A table lamp with an emergency back up light mounted in the base is disclosed. The base will be clear or opaque such that the light from the back up light can illuminate the area. There is an electronic charger and relay switch located in the base of the lamp, a battery attached to the relay, and a pair of low wattage bulbs attached to the relay. In the event of a power outage the relay will sense the outage and switch on the back up lamps to provide emergency back up lighting. | 08-11-2011 |
20130088149 | Lighting System with Integrated EL Panel - A lighting system has a receptacle for a light source disposed on a light fixture. The receptacle couples to a first power source, such as standard alternating current available in a building. An electroluminescent (EL) panel is disposed adjacent the light fixture and couples either to the same first power source or to a second power source, such as a direct current emergency power source of a battery or a building. For the EL panel also coupled to the first power source, circuitry illuminates the electroluminescent panel with power from the first power source when the receptacle for the light source is disconnected from the first power source. For the EL panel connected to the second power source, the circuitry illuminates the EL panel with power from the second power source during a failure of the first power source. | 04-11-2013 |
20130234595 | Emergency Lighting Device - An emergency lighting device includes a backup power supply for illuminating a light during a power loss. The lighting device includes a transmitter, which transmits a signal to a receiver during a power outage. When the receiver receives the signal, the source of power switches from the primary power source, e.g., AC utility power, to a backup power source, e.g., DC battery power. The lighting device may include an LED lamp in which AC-LEDs are selectively illuminated when primary power source is delivered and DC-LEDs which are selectively illuminated during a power outage. | 09-12-2013 |
20130307412 | Emergency Battery Converter - An emergency battery converter system provides a low-cost emergency battery converter and lighting system. The battery converter system includes an emergency battery pack, a lighting driver, and an emergency luminaire. In certain example embodiments, the emergency battery pack is coupled to a power delivery system and is charged by the power delivery system. The lighting driver receives power from the battery pack and steps up and regulates the power to be suitable for use by the emergency luminaire. In certain example embodiments, the emergency luminaire illuminates an egress area. | 11-21-2013 |