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Matches 1 - 50 out of 42,192

Document Document Title
WO/2018/188109A1
Disclosed in the present invention is a switchable output electronic ballast, comprising a ballast module used for converting mains supply into a high frequency alternating current, comprising a filter circuit, an AC-DC conversion circui...  
WO/2018/186371A1
A high-voltage discharge lamp (1), provided with: a light-emitting tube (10); a reflector (20) having a spherical or non-spherical reflective surface (22) formed around the longitudinal axis of the light-emitting tube (10), and an insert...  
WO/2018/161461A1
Provided in embodiments of the present invention are a flash, flash adjustment method, and optical system. The flash is applicable in an optical system, and comprises a light source module, a cavity, and a flexible parabolic reflector mi...  
WO/2018/157891A1
The invention relates to a composition for producing a polymer, comprising: a) 20 to 60 wt%, in relation to the total amount of the composition, of at least one monomer; and b) 30 to 60 wt%, in relation to the total amount of the composi...  
WO/2018/115554A1
The invention relates to a self-oscillating electronic ballast comprising: - a current inverter with switching devices (Q1, Q2); a resonant tank circuit connected to the output of the current inverter; a current detector circuit for dete...  
WO/2018/085138A1
A lighthead identification system for controlling lightheads of a surgical lighting system. The lighthead identification system includes illuminated indicator lights that visually indicate to an operator that an associated lighthead has ...  
WO/2018/077678A1
In order to control a lamp system having a gas-discharge lamp, an electronic ballast and a control unit, a performance-influencing controlled variable of the lamp system is used. In order to specify, on the basis of this, a method for op...  
WO/2018/065120A3
In order to achieve a universal, flexible and highly integrated operating device for driving various lamps, ensuring the protection of the entire operating device and of the appliances connected thereto by means of staggered protective m...  
WO/2018/065265A1
The invention relates to a control interface for a machine-vision lighting device (12), comprising: a plurality of light sensors each for capturing a light signal of respective origin, and emitting a respective sensor signal in response ...  
WO/2018/058298A1
A dimming switch system (130). The system (130) comprises a dimming switch (520), a weak-current module (510) and a high-current module (530). The weak-current module (510) may receive at least one drive signal and control the state of t...  
WO/2018/064655A1
A rectangular pulse generator system is operatively configured to generate a generator output signal, the generator output signal formed as a base rectangular waveform gated by a modulating rectangular waveform, the base rectangular wave...  
WO/2018/048340A1
The invention discloses a method for determining a starting time for a flash emitted from a flash tube (1 ) of a flash apparatus (200). The flash apparatus (200) comprises a triggering circuit (10), and a drive circuit (20). The method c...  
WO/2018/048341A1
The invention discloses a drive circuit and a method for controlling a drive circuit for a flash tube. The drive circuit comprises a capacitor and a first inductor switch group comprising a first inductor and at least one first switch co...  
WO/2018/043199A1
Provided is a technique allowing an extension of the lifespan of a discharge lamp to be achieved when the discharge lamp is lit at a lower power than the rated power. This discharge lamp lighting device has: an electricity supply unit fo...  
WO/2018/041655A1
The invention relates to a method for operating a flashlight (10) and to a flashlight (10) operating according to the method, said flashlight comprising a light-emitting element (12, 12'), a voltage transformer (20) and, on the output si...  
WO/2018/039433A1
Environmental characteristics or scenes of habitable environments (e.g., hotel or motel rooms, spas, resorts, cruise boat cabins, offices, hospitals and/or homes, apartments or residences, or other spaces or sub-spaces) are controlled to...  
WO/2018/037192A1
The invention relates to a pulse generator (10) comprising an inductor (Lstock) that is intended to store energy that is delivered, during a charge phase, by a DC voltage source (30) to two power supply terminals of the generator (10), a...  
WO/2018/024218A1
The present invention provides an electronic ballast-based apparatus for controlling an electronic control circuit and an illuminating lamp. The apparatus comprises an electronic ballast and an electronic control circuit that are connect...  
WO/2018/022181A1
Embodiments include systems, methods, and apparatuses for providing a dimming function in a single stage AC input light emitting diode (LED) driver with a controller that contains an on-chip error amplifier and an on-chip fixed reference...  
WO/2018/009785A1
The present disclosure provides an intelligent lighting control system for automated lighting adjustments. The system includes a lighting control module configured to cause a transmission of a quantity of electrical energy to a lighting ...  
WO/2018/009866A1
The present disclosure provides an intelligent lighting control system. A first switch control circuit of a first lighting control module of a plurality of lighting control modules is actuated. The actuation is detected at each lighting ...  
WO/2018/007182A1
A lighting and power control system includes a two stage power converter system that has a sufficiently high bandwidth to provide sufficient power factor correction and suppresses double line frequency noise to provide a stable output cu...  
WO/2017/216262A1
The invention relates to an apparatus (200) for the thermal treatment of substrates. In this case, a gas discharge lamp (110) runs in a so-called simmer mode in standby operation. A power supply (280) of constant power can be connected t...  
WO/2017/196166A1
The present disclosure relates to a street light system, comprising: an array of at least two street lights, each comprising: a pole; a fixture having a light source; a light control configured to adjust an operation of the light source;...  
WO/2017/152922A1
The invention relates to a method for remanufacturing and repairing lamps and floodlights, which comprises testing the LEDs, resistors, capacitors, silicon or bridge rectifier, AC, coil and fuses, and replacing the damaged component of t...  
WO/2017/151682A1
A wireless control system includes multiple wireless transmitters and a control circuit configured to transmit information from the wireless transmitters, wherein the control circuit is configured to selectably enable and disable each of...  
WO/2017/143493A1
An electronic ballast for remote regulation and control via an APP comprises a power switching module (40) for correcting an electronic ballast power factor; an alternating current power supply (100) is electrically connected to a light ...  
WO/2017/139299A1
Multiphase lighting fixtures having one or more light emitting diode (LED) light sources are provided. In one example implementation, a light fixture includes one or more light sources, such as LED light sources. The light fixture includ...  
WO/2017/139707A1
A system for changing the light level in one or more lighting fixtures connected to a control device such as a timer or lighting panel using only conventional power relays in the timer or lighting panel, wherein the conventional power re...  
WO/2017/132147A1
A system for driving a light source includes a power converter and control circuitry coupled to the power converter. The power converter converts input power to an output voltage to power the light source. The control circuitry senses th...  
WO/2017/096197A1
A method of operation of an electronic system includes: detecting a sensing factor within a presentation context; determining a device relationship based on the sensing factor for establishing the device relationship between multiple ins...  
WO/2017/094483A1
A surface light-source device configured with a plurality of external-electrode-type gas-discharge light-emitting tubes arranged in the form of an array is continuously driven under optimal conditions in accordance with differences or ch...  
WO/2017/089051A1
The invention relates to a cycle test method for at least one rechargeable battery (1) having, in particular, a single-battery emergency lamp (2) as a load, wherein the battery (1) is connected to a supply device (3) for charging/dischar...  
WO/2017/081272A1
The invention relates to a control circuit (2) designed to apply a voltage with a periodic course to a piezoelectric transformer (3), the period duration of which is established by a control frequency, wherein the control circuit (2) has...  
WO/2017/063022A1
A method for controlling dimming of a dimmer arrangement to minimise effects of a ripple injection signal upon an AC mains supply input wave signal received by the dimer arrangement comprising: filtering a ripple injection signal from an...  
WO/2017/062715A1
Surge protective devices having surge protective and overvoltage protection capability are provided. In one example embodiment, the surge protective device can include a surge protection circuit. The surge protection device can include a...  
WO/2017/062817A1
A flexible LED lighting module includes a flexible housing and flexible PCB to which LED units are mounted. An encapsulant fills a channel of the flexible housing and has a same or similar optical refractive index value as is used in the...  
WO/2017/060523A1
The invention relates to a curing device comprising at least one UV module (3), said UV module (3) having at least one UV light source (6) for irradiating the inner wall of a pipe (1), the UV module (3) that is fitted into the pipe (1) b...  
WO/2017/058743A1
A closed-loop LED drive circuit includes at least one LED, a voltage source, and a voltage regulator connected to the voltage source to provide a regulated voltage output. A one-time-programmable voltage source is connected to an output ...  
WO/2017/041573A1
A LED lamp and a starter thereof, and the starter (220, 320, 420, 520, 620, 720) includes: conductive contact pins (112, 114), a capacitor (C, C1) and a resistor (R, R1). The number of conductive contact pins (112, 114) is two, which are...  
WO/2017/032388A3
Disclosed is an invention which, in the event of a fault in a phase, allows the phase to be completed and the subsequent phases to remain unaffected, the product working with the same quality as before. The invention also enables: the re...  
WO/2017/029604A1
Method for operating a discharge light source in an energy saving mode by modifying the electron emission taking place during the operation of the light source by interposing a voltage reducing device formed by toroidal-core transformer ...  
WO/2017/023208A1
The present disclosure describes intelligent illumination systems that use modulated light. For example, in one aspect, a method includes producing, by a light source, modulated illumination in a visible part of the spectrum, detecting t...  
WO/2017/005271A1
There is provided method for controlling radiation emitting from one or more tubular lamps in an exposure apparatus for exposing a photosensitive element to the radiation. The method involves adjusting an adjustable ballast connected to ...  
WO/2016/203728A1
In a light irradiation device (5), a light emission control unit (19) sets, as a light emission stop signal timing, the time when the output result of a light measurement unit (16) has exceeded a threshold value set by a comparison unit ...  
WO/2016/196318A1
In one aspect, composite materials including a thin-film layer of lateral p-n junctions are described herein, which can be employed in circuits or various components of electrical devices. Briefly, a composite material comprises a thin-f...  
WO/2016/191762A1
A power supply and circuitry system for powering HVPT devices includes a power supply circuit that selectively provides an operating power and a simmer power to multiple HVPT devices. The system also includes a trigger circuit for each r...  
WO/2016/179656A1
The present invention relates to a building. The building includes a distributed power supply and a lighting system for being powered by the distributed power supply. The system includes distributed lights for being coupled to the distri...  
WO/2016/178727A1
A linear light-emitting diode (LED)-based solid-state universal lamp using an all- in-one LED driving circuit with a power factor correction (PFC) and control device operates normally for a regulated power and current from either electro...  
WO/2016/176635A1
The present disclosure provides solid state lighting fixtures with wireless, sensor and time based controllers to establish configurations for illuminating the lighting fixtures. More particularly, the present disclosure relates to solid...  

Matches 1 - 50 out of 42,192