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Matches 151 - 200 out of 42,218

Document Document Title
WO/2014/167406A1
In this light source device, which is provided with a discharge lamp (22) disposed along the horizontal direction and a reflecting mirror (21) of which the reflecting surface is a paraboloid of revolution, the discharge lamp (22) is disp...  
WO/2014/167459A1
This invention discloses a method and apparatus managing a voltage applied to a load. The method comprises determining generation of an electrical arc, the electrical arc being determined based on detecting a high frequency signal; isola...  
WO/2014/162279A1
Methods, apparatus and computing devices are described herein for activatable lighting devices. In various embodiments, a composition of a lighting system may be ascertained based at least in part on a database (851, 951) of one or more ...  
WO/2014/154274A1
Described herein is a dual-mode luminaire controller (100) for a luminaire in which dimming signals (270) can be provided to control the operation of the luminaire using signals in accordance with either `O-10V` or DALI protocols. The co...  
WO/2014/141793A1
A flash light source device (1A) is provided with a flash lamp (10), a circuit board (30), and a power supply unit (60). The flash lamp (10) has: a sealed container (11) having a light transmission window disposed on one end face, and a ...  
WO/2014/133716A1
An electronic dimming ballast or light emitting diode (LED) driver for driving a gas discharge lamp or LED lamp may be operable to control the lamp to avoid flickering and flashing of the lamp during low temperature or low mercury condit...  
WO/2014/133946A1
A system includes at least one lighting device, e.g., at least one LED luminaire, and a control circuit configured to control a spectral output produced by the at least one lighting device responsive to environmental information about an...  
WO/2014/126528A1
The present invention relates to a driver circuit for a flash tube. The driver circuit comprises a first and a second output for an electronic flash tube, a capacitor, an inductor and a switch. The inductor and the switch being connected...  
WO/2014/124501A1
An outdoor light controller (OLC) (50; 60; 100) for controlling the operation of lighting, particularly exterior lighting such as street lights or flood lights, is disclosed. The outdoor light controller (50; 60; 100) includes a controll...  
WO/2014/119113A1
The purpose of the invention is to obtain a DMD using type high-voltage discharge lamp lighting device that, even when a minute projection is formed at a location apart from an electrode tip as compared with a conventional case, makes it...  
WO/2014/116329A1
An apparatus for interfacing a ballast to at least one light emitting diode (LED) includes a passive rectifier circuit and matching circuit coupled to an input port and/or an output port of the passive rectifier circuit and configured to...  
WO/2014/116328A1
A lighting apparatus includes a solid-state lighting circuit, a ballast connection port including first and second terminals and a filament-imitating impedance coupled between the first and a second terminals of the ballast connection po...  
WO/2014/111820A3
A controller connected to a line voltage, includes an auto-transformer that provides a nominal line voltage at a first end terminal and a signaling voltage at a transformer tap. A first switch has a first switch terminal connected to the...  
WO/2014/112119A1
Provided is a discharge lamp lighting apparatus that is capable of suppressing deterioration of a capacitor for reducing noise. A housing section (120) houses a discharge lamp (115). A lighting start section (110) applies a predetermined...  
WO/2014/098127A1
Provided is a discharge lamp lighting device which, even when a discharge lamp is lit for a long period, is capable of suppressing the occurrence of flickering, and achieves a long life before flickering. The discharge lamp lighting devi...  
WO/2014/098659A1
An electronic circuit (100) for protecting a load (200) against over-vo!tage is disclosed. The electronic circuit (100) comprises an input port (101) for receiving a voltage and an output port (103) for feeding the voltage to the load (2...  
WO/2014/093820A1
A method of processing a semiconductor assembly is presented. The method includes fabricating a photovoltaic module including a semiconductor assembly. The fabrication step includes performing an efficiency enhancement treatment on the s...  
WO/2014/085969A1
Embodiments of a lighting device that generate an output power signal with operating parameters, e.g., current, voltage, etc., that energize a compact fluorescent (CFL) device. In one embodiment, the lighting device includes a circuit th...  
WO/2014/085951A1
A system and method for powering discharge lamps including circuitry for controlling the filament preheating energy provided to one or more gas discharge lamps. The system, in some embodiments, provides a preheating circuit as a program-...  
WO/2014/083753A1
A control unit reduces the power supplied to a high-voltage discharge lamp when an output voltage or an output current to the high-voltage discharge lamp measured by a measuring unit is within an abnormal range. A drive unit for driving ...  
WO/2014/083187A1
It is proposed for a dimmer (1) with an electrical input (2) and an electrical output (3), wherein the dimmer (1) has a dimming circuit (4) for a predefinable and variable limitation on the electrical power that may be provided to the ou...  
WO/2014/079162A1
A signal notification device comprising an LED lighting (1), a central processing unit, and a terminal device connected to the LED lighting (1). The LED lighting (1) has arranged therein an LED display chip connected to the central proce...  
WO/2014/080096A2
A method for commanding and controlling a public or private lighting network comprising one or a plurality of lamps combined with one or a plurality of ballasts characterised in that it consists of: a) - dividing a daily lighting cycle i...  
WO/2014/077703A1
A power supply system including: a power supply configured to provide a constant AC current; a power transmission line connected to the power supply to form a closed circuit; and at least one pickup configured to accept and slidingly eng...  
WO/2014/075338A1
A backlight-driven direct-current booster topology circuit which comprises a direct-current voltage input end (10), a direct-current voltage output end (60), a coupled inductor (20), a field-effect transistor (Q), a circuit protection un...  
WO/2014/073012A2
A lighting apparatus (10) with a brightness control or self-adjustment, comprising an electronic power supply (11) having a brightness self-tuning and a brightness set-point self-calibrator, a sensor (14) for measuring the environment br...  
WO/2014/073012A3
A lighting apparatus (10) with a brightness control or self-adjustment, comprising an electronic power supply (11) having a brightness self-tuning and a brightness set-point self-calibrator, a sensor (14) for measuring the environment br...  
WO/2014/067215A1
An electrodeless lamp ballast, mainly comprising: a DC/DC convertor, a closed loop detection module, a CPU and a high-frequency generator;wherein the high-frequency generator comprises a transformer T1, a capacitor C1, an electronic swit...  
WO/2014/066267A1
An amount of filament voltage supplied by a reconfigurable ballast may be adjusted based on a lamp type with which the ballast is operating. The filament voltage may be reconfigured dynamically and/or may be reconfigured via a user-provi...  
WO/2014/057247A2
A voltage regulator unit (10) for regulating electrical power supplied to a lamp in a street lighting apparatus (2) is disclosed. The voltage regulator unit comprises an input part (12) for receiving electrical power, a first output part...  
WO/2014/057247A3
A voltage regulator unit (10) for regulating electrical power supplied to a lamp in a street lighting apparatus (2) is disclosed. The voltage regulator unit comprises an input part (12) for receiving electrical power, a first output part...  
WO/2014/056670A1
In known methods for operating a lamp unit for producing ultraviolet radiation the lamp unit comprises a gas discharge lamp having a discharge space which is available for a mercury deposit, electronic ballast and a temperature control e...  
WO/2014/052079A1
A system (100) having a host device (102) and a lamp fixture (116) is presented here. The host device (102) includes a lamp receptacle and a host controller coupled to the lamp receptacle. The lamp fixture includes a lamp bulb body, an e...  
WO/2014/051898A1
An electric lighting device includes a voltage-fed inverter configured to receive a DC voltage and produce an AC lamp voltage. A lamp load is coupled to the AC lamp voltage and this lamp load includes a gas discharge lamp and a sensing c...  
WO/2014/049120A3
The invention relates to a voltage converter (10) which is clocked in a regulated manner and has DC isolation and regulated adjustment of a number of output voltages (UAn) from an input voltage (UE) and has, on the input side, a semicond...  
WO/2014/043004A1
A lighting apparatus includes a rectifier circuit configured to be coupled to an AC source and to produce a rectified voltage from an AC voltage and a string including at least two serially-connected LED segments and coupled to the recti...  
WO/2014/039000A1
The present invention relates to a generator for a flash device. The generator comprises at least a first capacitor bank comprising at least one capacitor of a first type. The first capacitor bank being connectable to a charger via a fir...  
WO/2014/033371A1
An electronic device (1) for controlling and powering discharge lamps (320) comprising: a power signal generator (2); a plurality of control blocks (3) each dedicated to controlling at least one discharge lamp (320); According to this de...  
WO/2014/024934A1
This lighting system (1) is provided with a power supply unit (10) for non-contact supply of power, and a lighting unit (20) operated using the power supplied by the power supply unit (10). The power supply unit (10) is provided with a p...  
WO/2014/021071A1
The purpose of the invention is to realize a high-voltage discharge lamp illumination device, and a high-voltage discharge lamp, in which even when a minute protrusion is formed at a location further from the electrode tip than according...  
WO/2014/021992A3
A multi-stage ballast for powering a gas discharge lamp includes a power factor correction stage configured to receive an AC input power and produce a phase corrected DC power, a buck regulator stage coupled to the phase corrected DC pow...  
WO/2014/021992A2
A multi-stage ballast for powering a gas discharge lamp includes a power factor correction stage configured to receive an AC input power and produce a phase corrected DC power, a buck regulator stage coupled to the phase corrected DC pow...  
WO/2014/015004A1
A lighting device has a light emitter receptacle, a power connector configured to connect to a power source, the power connector connected to the receptacle, and a communication module. A network of lighting devices has a plurality of li...  
WO/2014/015009A2
Systems and methods for enrolling nodes into an ad hoc network associated with a multi-roomed structure. Nodes within the ad hoc network comprise a communication module configured to communicate with the ad hoc network using at least one...  
WO/2014/012213A1
A relamping circuit topology to provide a lamping signal in ballast circuits used to power heated filament gas discharge lamps. The relamping circuit includes a low level DC power source, a differential capacitance and a switching device...  
WO/2014/014995A1
A consumer product device has a consumer product, a communication module capable of communicating in a mesh network, and a power connector electrically coupled to the communication module.  
WO/2014/012862A1
The invention relates to a method for identifying a fluctuation frequency (F) of an ambient light (S), said method having the following steps: A) specifying the first frequency (F1) and the second frequency (F2), said first frequency bei...  
WO/2014/013452A3
According to the present invention, a lighting device (100) and a method of indicating an incipient failure in a lighting device are provided. The lighting device comprises a light source (1), a constant current driver (2) configured to ...  
WO/2014/013381A1
A device provides a bypass path for leakage current of a neutral-less controller in a lighting control system for selectively supplying line voltage to a load. The device includes a dummy load, a voltage sensor, a bypass switch, a switch...  
WO/2014/014993A1
A method of building a room list in a structure having at least two rooms includes forming a mesh network in the structure with at least two nodes, each node having a room-limited communication module, analyzing signals from the room-lim...  

Matches 151 - 200 out of 42,218