Entries |
Document | Title | Date |
20080258631 | Light-adjusting and current-limiting control circuit - A light-adjusting and current-limiting control circuit for a lamp includes a sampling circuit formed of a manganese-copper line or a current transformer, a power circuit provided with resistors, capacitors, diodes, a Varistor and a zener diode, a signal adjusting circuit composed of diodes, resistors, a varistor, triacs and capacitors, and a control output circuit having a thyristor, diodes, a relay and an LED. The control output circuit can be replaced with a light-adjusting input circuit, a chip processor control circuit, a zero-crossing detection circuit and a two-way silicon controlled rectifier control output circuit | 10-23-2008 |
20080278081 | SIGNALING MODULE, LIQUID CONTAINER, RECORDING APPARATUS, AND CONTROL METHOD - An ink tank receives data signals from a printer and an LED provided on the ink tank is driven on the basis of the received data signals. The LED is driven in an inactive time period that is different from the time period in which the date signals are input to the ink tank. | 11-13-2008 |
20090001891 | Emergency Lighting - An emergency lighting system comprising light units and sensors, such as heat detectors, smoke detectors and motion detectors, operable to activate the light units. In the preferred embodiment, the light units are operable to adopt a selected one of at least two illuminated stated depending on the state of the sensors. Each illuminated state may involve the display of a symbol, text message or illumination pattern such as an arrow or a warning indicator, and/or may involve the emission of a respective illumination colour. The emergency lighting system may be associated with a set of stairs in order to illuminate the stairs when activated. | 01-01-2009 |
20090079348 | DISCHARGE LAMP LIGHTING APPARATUS AND DISCHARGE LAMP LIGHTING CONTROL METHOD - A chopper circuit generates a voltage to be supplied to a primary side of a transformer, and an inverter circuit supplies an output voltage of the chopper circuit to the primary side of the transformer in a positive phase or a negative phase. Thereby, an electric-discharge lamp connected to a secondary side of the transformer is lighted. A controlling section detects a lamp current, and thereby determines a type of the electric-discharge lamp. The controlling section decides the control value optimal for the chopper circuit and the inverter circuit on the basis of the determination result. The controlling section controls the chopper circuit and the inverter circuit with the decided control value. Thereby, the lighting device drives the electric-discharge lamp in an optimal state. For instance, the lighting device always makes the electric-discharge lamp lighting in a 100% light-modulated state regardless of its type. | 03-26-2009 |
20090096381 | Control of Delivery of Current Through One or More Discharge Lamps - Control of delivery of current through one or more discharge lamps. Methods include alternately switching on and off switching elements that control a fluorescent lamp, in response to receiving input, until the brightness of the lamp decreases to a threshold. Further, methods include providing control signals at complementary duty cycles to further decrease the brightness and alternating the duty cycles of the signals applied to the filaments of the fluorescent lamp. | 04-16-2009 |
20090121640 | Discharge Lamp Ballast Apparatus - A discharge lamp ballast apparatus includes a fault detecting section | 05-14-2009 |
20090146572 | POWER SENSING IN A FLASHLIGHT - A flashlight includes a battery and a circuit for operation to signal to a user that the battery voltage is at selected voltage or power level. There can be two switches each being for operating a light emitting source of the flashlight. The switches are linked 3-way switches and have momentary-on functionality. An enlarged head is located above the barrel and there is the intermediate portion between the head and the barrel. The intermediate portion receives part of the first switch. The second switch is located in part of the tail cap of the flashlight. | 06-11-2009 |
20090167190 | Apparatus and Method for a Light-Emitting Diode Lamp that Simulates a Filament Lamp - Disclosed herein is a circuit assembly comprising a light-emitting diode (LED) load in combination with a filament bulb simulation circuit, the filament bulb simulation circuit being configured to simulate a load that would be presented to a monitoring system by a filament bulb. In this manner, a filament bulb can be effectively replaced with one or more LEDs and thereby achieve power consumption savings. Also disclosed is a method for monitoring an LED circuit assembly with a monitoring system to determine whether the LED circuit assembly is deemed operational. | 07-02-2009 |
20090236993 | INSPECTION CIRCUIT, ELECTRO-OPTIC DEVICE, AND ELECTRONIC APPARATUS - An inspection circuit for inspecting an electro-optic device that includes a data line, a scanning line, a pixel portion, a driving circuit, and a first terminal portion through which a first power supply voltage is supplied to the driving circuit. The inspection circuit includes an inspection line electrically connected to an inspection unit inspecting the pixel portion, a connection circuit electrically connecting the inspection line to the data line, and a supply circuit supplying a control signal for controlling conduction between the data line and the inspection line to the connection circuit. The supply circuit is driven using a second power supply voltage supplied through a second terminal portion. | 09-24-2009 |
20090256483 | Load Control Device Having a Visual Indication of an Energy Savings Mode - A load control system (e.g., a dimmer switch) operates in a normal mode of operation and an energy-saver mode and displays a visual indication when the system is operating in the energy-saver mode. The system comprises a controllably conductive device adapted to be coupled in series between a power source and a lighting load, a control circuit operatively coupled to the controllably conductive device for adjusting the intensity of the lighting load, and a visual indicator for providing the visual indication that the system is in the energy-saver mode of operation. The control circuit controls the intensity of the lighting load between a minimum intensity and a first maximum intensity when the system is in the normal mode of operation, and between the minimum intensity and a second maximum intensity less than the first maximum intensity when the system is in the energy-saver mode. | 10-15-2009 |
20090261734 | Method of Programming a Lighting Preset From a Radio-Frequency Remote Control - The present invention provides a method of programming a preset intensity of a dimmer switch from a radio-frequency (RF) remote control. A user is able to adjust the intensity of the lighting load to a new intensity and subsequently press and hold a preset button on the remote control to program the new intensity as the preset intensity. The remote control transmits a wireless transmission to the dimmer switch, which immediately responds to the actuation of the preset button by controlling the intensity of the lighting load to an initial preset intensity. The dimmer switch then blinks a light-emitting diode representative of the new intensity to provide feedback that the dimmer switch is in the process of programming the preset intensity to the new intensity. Eventually, the dimmer switch stores the new intensity as the preset intensity and stops blinking the light-emitting diode. | 10-22-2009 |
20100026188 | AUTOMATIC LAMP DETECTION METHOD AND OPTIMAL OPERATION FOR FLUORESCENT LAMPS - There is provided a method that can detect the lamp type of fluorescent lamps and operate the lamp at the appropriate lamp power. The proposed method involves the classification of lamp characteristics of existing fluorescent lamps and the use of logic detection method such as a fuzzy logic detection and control technique to zoom into the right type of lamp. The information used in the lamp detection includes (1) lamp filament/electrode resistance, (2) lamp voltage and (3) lamp current. These three pieces of information can be used to select the appropriate fluorescent lamp type so that the control gear can operate the lamp at the right rated power. The importance of this invention can lead to a universal electronic ballast that can detect and operate all fluorescent lamps commonly available. It can also be used in a limited capacity to control a limited range of lamps. | 02-04-2010 |
20100026189 | LAMP DRIVING CIRCUIT, AND DETECTION CIRCUIT FOR DETECTING AN END-OF-LIFE CONDITION - A lamp driving circuit ( | 02-04-2010 |
20100052542 | LED LAMP FAILURE ALERTING SYSTEM - Disclosed herein are embodiments of failure alerting systems for LED lamps and LED lamps having the same. An illustrative failure alerting system comprises a photodetector configured to detect an actual light output from the at least one LED, a regulator configured to receive a signal from the photodetector when the actual light output is below a target light output and to increase a current to the at least one LED to maintain the target light output, and a low light output indicator configured to receive a signal from the photodetector when the actual light output remains below the target light output and to produce a low light output signal. A thermal sensor can also be included and configured to sense an operating temperature of the LED and to control the regulator to increase the current and the target light output to ensure the operating temperature does not exceed the target temperature. | 03-04-2010 |
20100060170 | Low leakage current LED drive apparatus with fault protection and diagnostics - An LED drive apparatus includes a microprocessor having a configurable input/output port, a FET current control transistor, and a diagnostic interface circuit. The diagnostic interface circuit includes a transistor having an input coupled to a junction between the FET and the LED, and an output coupled to an input of the FET. The microprocessor input/output port is coupled to the input of the FET for turning the LED ON and OFF and performing fault protection and diagnostics. At each desired transition of the LED, the microprocessor configures its input/output port as an output and momentarily sets the output state to achieve the desired transition, then re-configures the input/output port to determine the conduction state of the diagnostic interface circuit transistor, and determines an output fault status of the drive apparatus based on the determined conduction state. | 03-11-2010 |
20100066254 | Light-Emitting Device - One embodiment of the invention proposes a light-emitting device comprising a radiation source for the emission of a radiation having at least a first wavelength, and an elongated, curved light-guiding body, into which the radiation emitted by the radiation source is coupled and which couples out light at an angle with respect to its longitudinal axis on account of the coupled-in radiation having the first wavelength. | 03-18-2010 |
20100127626 | Load Control Device Having A Visual Indication of Energy Savings and Usage Information - A dimmer switch for controlling the amount of power delivered to and thus the intensity of a lighting load comprises a visual display operable to provide a visual indication representative of energy savings and usage information. The visual display may comprise a single visual indicator or a linear array of visual indicators. The visual display is illuminated in a first manner when the intensity of the lighting load is less than or equal to a predetermined eco-level intensity, and is illuminated in a second manner when the intensity of the lighting load is greater than the eco-level intensity. For example, the single visual indicator may be illuminated a first color, such as green, when the intensity of the lighting load is less than or equal to the eco-level intensity, and illuminated a second different color, such as red, when the intensity of the lighting load is greater than the eco-level intensity. | 05-27-2010 |
20100141151 | X-RAY TUBE AND METHOD FOR EXAMINING A TARGET BY SCANNING WITH AN ELECTRON BEAM - The invention relates to an X-ray tube, especially a microfocus X-ray tube ( | 06-10-2010 |
20100164386 | Application infrastructure for constructing illumination equipments with networking capability - An application infrastructure for constructing illumination equipments with a transmission function includes at least one lamp reporting device for reporting a lamp condition, at least one lamp detection and transmission module with a two-way communication function, at least one message transmission and receiving module coupled to a control system, and a main system. Through a built-in wireless network or a power line network function of the illumination equipments, data can be transmitted among nodes of a mixed routing by indoor lighting having a transmission function and outdoor road lamps having a transmission function, without the need of building a basic network structure. A special network structure connecting the nodes to form lines and planes constitutes the application platform for constructing the illumination equipments with a two-way transmission function. | 07-01-2010 |
20100219759 | SHORT-CIRCUIT DETECTION METHOD AND RELATED CIRCUIT - A short-circuit detection method provides a dimmer signal for driving a light source and a feedback signal which varies according to the voltage drop across the light source. When the voltage level of the feedback signal is below a reference voltage, a high-level compare signal is provided. When the voltage level of the feedback signal is above the reference voltage, a low-level compare signal is provided. When the dimmer signal is at high level and the compare signal is at low level, a high-level count signal is provided. When the count signal has switched to high level more than a predetermined number of times, a short-circuit signal is outputted. | 09-02-2010 |
20100244705 | Detecting Screen Breakage in Display Systems - Display systems, devices and techniques based on a screen and a mechanism that detects breakage on the screen and interrupts the operation of the screen when a screen breakage is detected. | 09-30-2010 |
20110140610 | Sound Pressure Level Calibration for Ultrasound Based Gesture Light Controlled System - A lighting system comprising a lamp arranged to transform electricity into a light beam having properties such as intensity, colour, colour temperature, direction and beam cone angle, a light control means arranged to adjust said light beam properties, an ultrasonic transmitter arranged to transmit ultrasonic signals, an ultrasonic receiver arranged to receive reflected ultrasonic signals, and a processing means arranged to derive a time-of-flight signal representing the time differences between said transmitted and received ultrasonic signals and to send control signals to said light control means in dependence of said time-of-flight signal, wherein said processing means is further arranged to perform a sound pressure level calibration step wherein the amplitude of the received reflected ultrasonic signal of the receiver is measured and wherein the amplitude of the transmitted ultrasonic signal of the transmitter is adjusted such that the amplitude of the received reflected signal approximates a predetermined threshold value. | 06-16-2011 |
20110193484 | Flexible Electrical Connection Of An LED-Based Illumination Device To A Light Fixture - An electrical interface module (EIM) is provided between an LED illumination device and a light fixture. The EIM includes an arrangement of contacts that are adapted to be coupled to an LED illumination device and a second arrangement of contacts that are adapted to be coupled to the light fixture and may include a power converter. Additionally, an LED selection module may be included to selectively turn on or off LEDs. A communication port may be included to transmit information associated with the LED illumination device, such as identification, indication of lifetime, flux, etc. The lifetime of the LED illumination device may be measured and communicated, e.g., by an RF signal, IR signal, wired signal or by controlling the light output of the LED illumination device. An optic that is replaceably mounted to the LED illumination device may include, e.g., a flux sensor that is connected to the electrical interface. | 08-11-2011 |
20110221347 | EXIT LIGHT AND EMERGENCY LIGHT WHICH HAVE FUNCTION TO INDICATE RESIDUAL CHARGE OF BATTERY - An exit light and an emergency light which have a function to indicate a residual charge of a storage battery are provided for users to efficiently check the residual charge of the battery by using a bar graph indicating unit formed on a front portion. The exit light and the emergency light each includes a power input unit which receives a utilized voltage input, decreases the voltage input and applies the voltage input to a rectifier circuit unit; the rectifier circuit which transforms AC power applied from the power input unit into DC power and applies the DC power to a power supply unit; the power supply unit which applies the DC power applied from the rectifier circuit to a light emitting unit or a charging circuit; the light emitting unit which emits light by using the DC power applied from the power supply unit; the charging circuit which supplies the DC power applied from the power supply unit to a storage battery and charges the storage battery; the storage battery which is charged with the DC power applied from the charging circuit; a bar graph indicating unit which indicates a residual charge of the storage battery; and a check switch which, in response to switching-on by a user for checking, cuts off the utilized power and discharges the charge of the storage battery through the bar graph indicating unit so that the residual charge of the storage battery is indicated on the bar graph indicating unit. | 09-15-2011 |
20110234104 | LOAD DETERMINATION DEVICE AND ILLUMINATION APPARATUS USING SAME - An illumination load determination device includes an illumination load; a voltage applying unit for applying a voltage to the illumination load; a connection unit for connecting the illumination load and the voltage applying unit; a detection unit for detecting at least one of a current flowing through the illumination load and a voltage across the illumination load when the voltage is applied to the illumination load from the voltage applying unit via the connection unit; and a determination unit for determining a type of the illumination load based on an output from the detection unit. The determination unit has a comparator for comparing a detection value detected by the detection unit to a predetermined threshold, and determines that the illumination load has a capacitance based on an output of the comparator. The voltage applying unit lights on the determined illumination load with a rated driving voltage. | 09-29-2011 |
20110254451 | APPARATUS AND METHOD FOR PREVENTING LAMP DAMAGE IN RAPID HEAT TREATMENT EQUIPMENT - Disclosed are an apparatus and method for preventing damage to the lamp of rapid heat treatment equipment. The most significant feature of the present invention is to provide an apparatus and method for preventing damage to a lamp in rapid heat treatment equipment, wherein the temperature of a quartz case comprising the lamp is sensed to identify an erratic increase in the temperature thereof so that problems with the lamp may be discovered early to take action. The apparatus and method according to the present invention allows the possibility of preventing damage or contamination of surrounding components due to lamp explosion; decisions regarding lamp replacement are also facilitated so that productivity can be enhanced. In addition, uniform lamp output may be ensured so that product quality is enhanced. | 10-20-2011 |
20120001552 | Failure Detection System and Method for LED Lighting Equipment - The present disclosure provides an LED lighting equipment failure detecting system for detecting if an LED lighting equipment is failure. The LED lighting equipment failure detecting system includes a current measuring unit, a parameter measuring unit, a storage unit and a control unit. The current measuring unit and the parameter measuring unit measure a present current value and a present operating parameter of at least one LED of the LED lighting equipment respectively. The control unit calculates a present condition parameter of the LED according to the present current value and the present operating parameter. The control unit calculates a condition parameter difference between the present condition parameter and the initial condition parameter stored in the storage unit. If the condition parameter difference is more than the abnormal condition threshold, the control unit determines that the LED of the LED lighting equipment is abnormal. | 01-05-2012 |
20120013256 | Gravity Controlled Lighting device - A lighting device having a housing incorporating an electrical circuit, a light source and a source of power with a gravity controller. The gravity controller regulates the power applied to the light source in response to the relationship between the position angle and the tilt angle of the lighting device with respect to the vertical. The lighting device has a storage orientation wherein the light source is non-energized and a transporting or use orientation wherein the light source is energized. A plurality of lighting devices are mounted on a storage bracket in a non-energized orientation. A plurality of lighting devices are mounted on a carrier having a changeable orientation, wherein the lighting devices are energized during transporting and non-energized during storage. | 01-19-2012 |
20120119655 | Occupancy Sensors Programmed To Determine Loss Of Lamp Life As Lamp Is Used - Programmable occupancy sensors that control the on/off operation of a fluorescent lamp automatically determine loss of lamp life as the lamp is used. The programmable occupancy sensors can provide lamp life status and can automatically alert a user when a lamp is nearing its end of life and should be replaced. The occupancy sensors are also programmable to automatically improve lamp life and energy savings by selecting an optimal time delay from among a number of selectable time delays at which to operate the sensor. The selection is based on an occupancy pattern sensed by the sensor over a given period of time. The optimal time delay, which prevents the lamp from turning off immediately after last sensing occupancy, extends lamp life by limiting the number of lamp off/on transitions, which shortens lamp life, in view of overall energy usage and lamp usage. | 05-17-2012 |
20120146515 | DRIVING DEVICE FOR LED MODULE - A driving device for a LED module is provided. The driving device for the LED module includes a voltage converting unit, a LED module voltage detecting unit, and a switching signal generation unit. The voltage converting unit produces a driving voltage to drive the LED module according to a switching signal. The LED module voltage detecting unit divides the driving voltage to produce a comparison voltage. The switching signal generation unit receives the comparison voltage by a fault detection pin and compares a reference voltage and the comparison voltage to enable or disable the switching signal. After the switching signal is disabled, the switching signal generation unit further pulls up a voltage level of the fault detection pin to a logic high level voltage, so as to produce a fault notification signal to let the fault detection pin also have a function for fault notification. | 06-14-2012 |
20120169237 | HOLLOW CATHODE LAMP ELAPSED TIME RECORDING SYSTEM - A hollow cathode lamp is described with an end cap, an anode, and a cathode. A data storage device is part of the end cap and communicates data to and from a computing device. The data communicated with the computing device may include identification information and usage information corresponding to the hollow cathode lamp. Additionally, a method is described that includes activating a power supply to a hollow cathode lamp and communicating data with a memory device located in the hollow cathode lamp. The data communicated with the memory device includes usage information about an amount of time the hollow cathode lamp has been in use. | 07-05-2012 |
20120176039 | LED MATRIX OPEN/SHORT DETECTION APPARATUS AND METHOD - An apparatus to detect faulty connection of LED (open/short conditions) which may affect the function of LED display panel is presented. The apparatus basically controls the switches through control algorithm circuit to get the information of LED driver output pins voltage and compare them with two reference voltages to determine the open/short condition of individual LED. | 07-12-2012 |
20120248987 | Occupancy Sensors Programmed To Determine Loss Of Lamp Life As Lamp Is Used - Programmable occupancy sensors that control the on/off operation of a fluorescent lamp automatically determine loss of lamp life as the lamp is used. The programmable occupancy sensors can provide lamp life status and can automatically alert a user when a lamp is nearing its end of life and should be replaced. The occupancy sensors are also programmable to automatically improve lamp life and energy savings by selecting an optimal time delay from among a number of selectable time delays at which to operate the sensor. The selection is based on an occupancy pattern sensed by the sensor over a given period of time. The optimal time delay, which prevents the lamp from turning off immediately after last sensing occupancy, extends lamp life by limiting the number of lamp off/on transitions, which shortens lamp life, in view of overall energy usage and lamp usage. | 10-04-2012 |
20120293073 | APPARATUS FOR DRIVING A GAS DISCHARGE LAMP - A method of generating a measuring signal indicating arc straightness in a gas discharge lamp (L) comprises the following steps: in a first step, applying a first lamp current (IN) to the lamp; in a second step, adding a brief pulse current (Ip) to the first lamp current (IN), allowing the lamp voltage to regain a steady state, and measuring the resulting average value of the lamp voltage (V | 11-22-2012 |
20120306376 | Control Device for Providing A Visual Indication of Energy Savings and Usage Information - A dimmer switch for controlling the amount of power delivered to and thus the intensity of a lighting load comprises a visual display operable to provide a visual indication representative of energy savings and usage information. The dimmer switch comprises an intensity adjustment actuator, such as a slider knob or a rotary knob, which may be coupled to a potentiometer for adjusting the amount of power delivered to the lighting load. The potentiometer may comprise a dual potentiometer including a resistive element and a conductive element having a cut. The visual display may comprise a single visual indicator, which may be illuminated a first color, such as green, when the intensity of the lighting load is less than or equal to the eco-level intensity, and illuminated a second different color, such as red, when the intensity of the lighting load is greater than the eco-level intensity. | 12-06-2012 |
20120313530 | Parallel-Connected Ballast Circuits - A ballast circuit adapted for converting an input alternating current (AC) mains power received at input terminals to an output alternating current (AC) to supply a load, e.g. a gas discharge lamp. The output terminals of the ballast connect to the load in parallel with another ballast circuit. The ballast circuit is configured to supply the output AC current to the load in parallel with an AC current output of the other ballast circuit. A synchronization module attached at the output is adapted for synchronizing the output alternating current (AC) of the ballast circuit with the AC current output of the other ballast circuit. The synchronization module is configured to synchronize phase of the output alternating current with phase of the AC current output of the other ballast circuit. | 12-13-2012 |
20120319588 | SYSTEMS AND METHOD FOR ADAPTIVE MONITORING AND OPERATING OF ELECTRONIC BALLASTS - An assembly, system and method for adaptively monitoring and operating a lamp fixture include a power input interface, a ballast, and a lamp interface. The ballast is coupled to the power input interface for receiving the received input power and creating lamp power between a first lamp terminal and a second lamp terminal. The ballast includes a transformer having a primary winding, a first lamp powering secondary winding, and a second lamp powering secondary winding. The transformer further includes a non-lamp powering secondary or third secondary winding for detecting a ballast operating parameter and transmitting a sensed ballast operating parameter value corresponding to the detected ballast operating parameter. A sensor detects an arc current circulating through a lamp received in the lamp interface and transmits a sensed arc current value corresponding to the detected arc current. One or more output interfaces provide the transmitted sensed arc current value and transmitted sensed ballast operating parameter value to an external system communicatively coupled. | 12-20-2012 |
20120319589 | Lamp Drive Device - A lamp drive device L is provided that can both light a lamp | 12-20-2012 |
20130026927 | ILLUMINATION DEVICE AND ILLUMINATION SYSTEM - An illumination device ( | 01-31-2013 |
20130099672 | ILLUMINATION SYSTEM AND CONTROL METHOD OF ILLUMINATION SYSTEM - The invention discloses an illumination system and a control method of illumination system. The illumination system includes a portable electronic apparatus, a lamp-controlling module and at least one lamp. The control method of an illumination system includes following steps: generating a wireless control signal according to a color distribution of a selected pattern; generating a lamp-controlling signal according to the wireless control signal; respectively adjusting a light-emitting state of the lamp according to the lamp-controlling signal. | 04-25-2013 |
20130099673 | CONFIGURABLE LIGHT TIMER AND A METHOD OF IMPLEMENTING A CONFIGURABLE LIGHT TIMER - A user interface of a configurable light timer is described. The user interface comprises an input portion for receiving timing characterization data, the input portion adapted to receive a portable memory device storing the timing characterization data; a control circuit coupled to detect the portable memory device inserted into the configurable light timer; and an internal memory; wherein the timing characterization data is automatically downloaded to the internal memory after the portable memory device is detected in the configurable light timer. A method of implementing a configurable light timer is also disclosed. | 04-25-2013 |
20130200804 | OPERATING UNIT - An operating element for a medical light includes an operating element for setting the size of a light field generated by the light, a screen for displaying the currently set size of the light field and an electronic interface for outputting control signals for the size of the light field to a control device of the light. The operating unit is configured to display a representation of at least one light body of the light, including a light cone emanating from the light body, on the screen and to change the shape of the light cone in the representation correspondingly on an adjustment of the size of the light field by means of the operating element. | 08-08-2013 |
20130207549 | DEVICE FOR OUTPUTTING TEMPERATURE INFORMATION - An operating device ( | 08-15-2013 |
20130257283 | ILLUMINATION DEVICE AND ILLUMINATION CONTROL SYSTEM OF THE ILLUMINATION DEVICE - An illumination device obtaining an internet protocol (IP) address from a dynamic host configuration protocol (DHCP) server includes a first sensor, an illumination unit, a processor, and a registered jack 45 (RJ-45) interface. The first sensor is configured to output a first detecting signal with respect to an ambient luminance. The illumination unit includes a lighting module and a driving module capable of controlling operation status of the lighting module. The processor is configured to output a control signal to the driving module according to the first detecting signal. The RJ- | 10-03-2013 |
20130285555 | Automated Reporting System for Obstruction Lighting Outages - The present invention is a device which automatically reports an obstruction lighting outage creating or canceling a Notice to Airmen (NOTAM) without the need for human intervention. This system greatly reduces the time between detection of a lighting outage and notification of aviation authorities, thus minimizing hazards to air traffic. In addition, this device will create a new NOTAM and cancel the original NOTAM just prior to the original NOTAM expiring if the problem has not been fixed before the original NOTAM expires. | 10-31-2013 |
20130293110 | BALLAST WITH MONITORING - A ballast. The ballast includes a lamp driver and a controller. The lamp driver is configured to power a gas discharge lamp, and the controller, which includes a non-volatile memory, is configured to control the lamp driver and to save one or more parameters related to operation of the gas discharge lamp in the non-volatile memory. | 11-07-2013 |
20130293111 | USAGE TIME CORRECTING ENGINE - A usage time correcting engine, and corresponding method, system, apparatus, and computer product are provided. Over a period of time that an LED lighting fixture is being used to provide light, a usage time correcting engine indirectly measures an internal temperature of a component of the fixture. The indirect measurement is based on a measured external temperature of the component and power output supplied to or provided by the component. The usage time correcting engine determines a multiplier as a function of the indirectly measured internal temperature. The usage time correcting engine multiplies the period of time by the multiplier to provide a corrected measurement of usage of the component. In some examples, the usage time correcting engine determines a remaining lifetime of the LED lighting fixture from the corrected measurement and then reports the remaining lifetime to a user by way of a log, flashing light or other notification/indication. | 11-07-2013 |
20130320858 | Pool Cleaner Light Module - Embodiments of the invention provide a light module for a pool cleaner. The light module can include a housing, a paddle wheel, a generator, and at least one light emitting diode (LED). The housing can be removably coupled to the pool cleaner and can include a flow directing portion positioned in a fluid path of the pool cleaner. The paddle wheel can be located adjacent to the flow directing portion and can rotate in response to fluid flow through the fluid path. The generator can be coupled to the paddle wheel and can generate power through rotation of the paddle wheel. The LED can be coupled to the generator and can receive the generated power from the generator to illuminate an area adjacent to the pool cleaner. | 12-05-2013 |
20130334969 | LIGHTING SYSTEM, CONTROL METHOD THEREFOR AND LIGHTING CONTROL DEVICE - According to one embodiment, a lighting system includes a luminaire and a lighting control device. The lighting control device includes an operation section, a target-value managing section, a transmitting section, and a display section and controls the luminaire. The target-value managing section stores an operation state of the luminaire and, when the operation section is operated, calculates an operation target value on the basis of the stored operation state of the luminaire and updates the operation state to the operation target value serving as an operation state of the luminaire after the operation. The transmitting section transmits the operation target value as a radio signal. The display section performs display based on the operation target value. | 12-19-2013 |
20140021863 | ELECTRONIC DEVICE WITH MULTI-PURPOSE COMPONENT CIRCUMSCRIBING AN ELECTRONIC COMPONENT THEREOF - Systems and methods ( | 01-23-2014 |
20140028195 | PORTABLE ELECTRIC LAMP WITH A POWER SUPPLY CURRENT CONTROL DEVICE AND METHOD FOR CONTROLLING A POWER SUPPLY CURRENT OF SUCH A LAMP - A portable electric lamp including a lighting module, a compact housing enclosing an electric power storage unit configured to provide a power supply current to the lighting module, means for measuring a current consumed by the lighting module, determination means configured to generate a lighting current set point, calculation means for calculating a maximum authorized current from a difference between the consumed current and a reference current and for calculating a maximum authorized current threshold from the minimum value between the lighting current set point and the maximum authorized current, and limiting means configured to limit the power supply current to a value lower than or equal to the maximum authorized current threshold. | 01-30-2014 |
20140111094 | ILLUMINATION SYSTEM - A lighting system includes an EL unit having a light emitter, a holding frame that holds the EL unit, and a control unit that controls lighting of the EL unit, wherein the holding frame includes a rail-shaped conductive member, and power and communication signals are transmitted between the control unit and the EL unit through the conductive member. With this configuration, since the connection between the control unit and the EL unit is made by the conductive member provided on the holding frame, which holds the EL unit, space for wiring in a residential space can be reduced. Further, simply by placing the holding frame on a mounting surface and attaching the EL unit and the control unit to the holding frame, they are connected. Therefore, without special skills, a resident can install the lighting system as appropriate and can easily replace the EL unit. | 04-24-2014 |
20140139113 | LIGHTING NETWORK CONTROL APPARATUS AND METHOD - Disclosed herein are an apparatus and method for controlling a lighting network. The apparatus for controlling lighting network includes a control device and a plurality of control gears. The control device generates and transfers commands to control lighting. The plurality of control gears receives the commands from the control device and control lighting. The control device assigns a right to use a lighting network to the control gears, and the control gears send information about a change in a lighting state or error details to the control device using the right to use a lighting network. | 05-22-2014 |
20140145622 | LED Illumination Device and Validation Methodology of LED Illumination Device's Lifespan - A LED illumination device and validation methodology of LED illumination device's lifespan, comprises a controller, timing chip and low-voltage DC power supply, the controller is connected to the display terminal, the timing chip is positioned inside the LED illumination device, so as to get real-time recording of the operating time of the LED illumination device which is transmitted to the display terminal for display; meanwhile, a light sensor is placed in the luminous zone to obtain luminosity data so as to measure real-time luminous maintenance rate. When the measured luminous maintenance rate gets lower than the luminous maintenance rate predetermined for critical lifespan, the operating time recorded by the LED illumination device at this moment is the lifespan of this LED illumination device. | 05-29-2014 |
20140203710 | Swimming Pool LED Lighting System and Method Using Proprietary Frequency-Shift Keying Over 2-Wire Power Cord - A system for controlling a lamp comprises a central controller having a waveform converter capable of modulating a control signal at more than one frequency over a two wire power cable. The control signal is capable of modifying a property of the lamp. The central controller also has a load current sensor capable of identifying the configuration of the lamp. The system further comprises a lighting control unit coupled to the lamp. The lighting control unit is powered via the two wire power cable and is capable of demodulating the control signal. | 07-24-2014 |
20140232272 | LED LIGHTING SYSTEM - A controller for a system is provided. The controller includes an intelligent control having a memory and a wireless transceiver. The controller is synced with a system, such as a lighting system, wirelessly. The wireless connection provides constant feedback between the controller and the system such that the controller is able to control operation of the system, to receive feedback from the system, and to receive updates based on changes to the system. The system includes modular components that may be easily configurable and changeable. The modular components are automatically identified by the system and the new information is automatically sent to the controller to update the controller of a change to the system. | 08-21-2014 |
20140292203 | SYSTEM FOR APPAREL-RELATED AND OTHER ILLUMINATION - A system for apparel-related and other illumination includes an electro-luminance portion defining a graphic image having regions of differing optical transmissibility, the electro-luminance portion further configured to removably join to a back surface of a garment or pendant related to the graphic image; a housing configured to removably join to a back side of the electro-luminance portion; and a processor contained within the housing, the processor configured to control functions of the electro-luminance portion, the processor including elements for controlling a level of luminosity of the electro-luminance portion in correlation to changes in levels of ambient sound. | 10-02-2014 |
20140312776 | DIMMING LED LIGHTING SYSTEM - The present invention relates to a dimming LED lighting system including a separate switch for adjusting the illumination of an LED lamp. The dimming LED lighting system according to the present invention includes a switch unit connected between a lighting switch and an on/off detection means in order to perform a snapping operation while the lighting switch is in an on state. | 10-23-2014 |
20140368115 | LIGHTING DEVICE, METHOD OF CONTROLLING THE SAME, AND LIGHTING SYSTEM - A lighting device which includes: a light source; a receiving unit which receives a control signal from outside the lighting device via wireless communication; and a control unit which causes the light source to emit light according to the control signal received by the receiving unit. When the receiving unit receives, from the outside the lighting device via the wireless communication, a test signal different from the control signal and for determining a state of the wireless communication, the control unit calculates a packet error rate of the test signal received by the receiving unit and causes the light source to emit light such that an emission state is changed according to a communication quality of the wireless communication determined based on at least the calculated packet error rate. | 12-18-2014 |
20150028746 | AUGMENTED REALITY GRAPHICAL USER INTERFACE FOR NETWORK CONTROLLED LIGHTING SYSTEMS - A mobile device having an augmented reality user interface for use in controlling networked light modules. The mobile device can detect via a camera a light module and display an identification of the light module on a user interface such as a touch screen. A user can enter a command via the user interface such as a desired intensity or color for the light module. In response, the mobile device transmits a signal to the light module in order to control the operation of the module based upon the command. | 01-29-2015 |
20150028747 | UPGRADEABLE CONTROL SYSTEM FOR LED LIGHTING - An LED-based lighting system having an upgradeable control system and a method thereof are provided. The system includes an LED source having a plurality of LED lights, a control system which comprises a motherboard, a control panel, and a control module. The control module is replaceable with a new control module to provide upgrades of operational modes and features of the lighting system without requiring the entire lighting system be replaced. | 01-29-2015 |
20150115801 | PROGRAMMABLE LIGHT TIMER AND A METHOD OF IMPLEMENTING A PROGRAMMABLE LIGHT TIMER - A programmable light timer for implementing a timing pattern is described. The programmable light timer comprises a memory storing a plurality of timing patterns, each timing pattern being associated with a unique timing pattern code and having one or more on/off settings for a time period; and a user interface enabling the selection of a timing pattern code associated with a timing pattern of the plurality of timing patterns. | 04-30-2015 |
20150305122 | LED FIXTURE AND LED LIGHTING ARRANGEMENT COMPRISING SUCH LED FIXTURE - An LED fixture comprises: -at least one LED; -an electrical power terminal, electrically connected to the LED, the electrical power terminal for electrically connecting the LED to an LED driver, -a storagedevice for storing datain relation to the LED, and -a data processing device, electrically connected to the storage device for storing data in the storage device and reading data therefrom, the data processing device being arranged and connected for providing data communication via at least one of the electrical power terminal and the LED. | 10-22-2015 |
20150327345 | METHODS AND APPARATUS FOR CAUSING LEDS TO GENERATE LIGHT OUTPUT COMPRISING A MODULATED SIGNAL - Methods and apparatus for changing a DC supply voltage applied to a lighting circuit are disclosed. In specific cases, a constant voltage power supply is used to power an LED lighting circuit in which there are uncertainties within the forward voltages of the LEDs, which in turn creates uncertainty with respect to the current level flowing through the LEDs. To manage these uncertainties, the current flowing through the LEDs is measured and an indication of the current level is communicated to a person who can manually adjust the DC voltage supply applied to the LED lighting apparatus by the constant voltage power supply. Alternatively, an automatic adjustment of the DC voltage supply applied to the LED lighting apparatus by the constant voltage power supply can be performed based upon the measured current level. | 11-12-2015 |
20150373796 | Multifunctional universal led driver - A multifunctional universal LED driver is disclosed that can be configured to match the voltage and/or current requirements of various LED loads such as LED lighting fixtures. The disclosed LED driver replaces the existing wall switch to drive an LED lighting fixture with no need for making changes to the existing wires. The user control means are installed in the faceplate of the LED driver and are relatively accessible to an end user. The configuration control means are installed so as to be relatively inaccessible to an end user during normal operation of the LED driver. In a wireless embodiment, a wireless remote controller operates the LED driver. In another wireless embodiment, the remote controller is a computing platform such as a smartphone, which can configure, operate, and query the status of the LED driver. The status of the LED driver may include on/off, intensity level, energy being consumed by the LED load, configuration settings, and other useful information such as serial number, manufacturing date, country of origin, and ratings. The Wi-Fi embodiment of the LED driver enables the LED driver to be controlled using the Internet and become part of the network of Internet of Things (IoT). | 12-24-2015 |
20160044758 | DIMMER AND LED DRIVER WITH DIMMING MODES | 02-11-2016 |
20160100475 | USER CONTROL OF AN ENVIRONMENTAL PARAMETER OF A STRUCTURE - An apparatuses, methods and systems for providing user control of an environmental parameter of a structure are disclosed. One method includes configuring a one or more units of the lighting system, establishing a local line-of-sight communication link between a user device and at least one sensor unit of the one or more sensor units, receiving, by the at least one sensor unit, a request from the user device, the at least one sensor unit propagating the request to a controller of the lighting system, the controller responding to the request with an operational change of a device associated with the at least one sensor unit, and the at least one sensor unit or the device associated with the at least one sensor unit providing an observable indicator to the user that the request has been addressed. | 04-07-2016 |
20160174343 | LED Retrofit Assembly | 06-16-2016 |
20170237471 | Lighting Unit with Near Field Communication, Integrated Circuit and Methods therefor | 08-17-2017 |
20170238397 | LIGHTING UNIT WITH NEAR FIELD COMMUNICATION, INTEGRATED CIRCUIT AND METHODS THEREFOR | 08-17-2017 |
20220141929 | Streetlight Asset Module, Streetlights and Related Systems - A streetlight asset module (SAM) is provided including at least one memory block configured to store operating configuration settings of a streetlight associated with the SAM. The SAM is configured to communicate the operating configuration settings of the streetlight to a control and monitoring system (CMS) node coupled to the streetlight. The CMS node is configured to communicate the operating configuration settings to a remote location using a radio communications network. Related streetlights and systems are also provided. | 05-05-2022 |