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Matches 1 - 50 out of 42,241

Document Document Title
WO/2019/092719A1
A current regulator for a pulsed load is provided herein. The current regulator may include: an input power source; a current sense circuit; a capacitive energy storage device; a current sink driver; a current source charger which receiv...  
WO/2019/084298A1
The present disclosure provides an intelligent lighting control system. A controller of the lighting control system causes a phase change cut to be applied to an AC power signal to signal to a light bulb apparatus connected to a luminair...  
WO/2019/080359A1
Provided by the present invention are an input detection protection circuit and an alternating current electrical ballast for a high-intensity discharge (HID) lamp, wherein the input detection protection circuit comprises: a power input ...  
WO/2019/080360A1
Provided by the present invention is an output detection protection circuit, comprising: an anti-short circuit module, an output current signal detection module, a leakage current detection module, a fault alarm module, and an MCU chip. ...  
WO/2018/065120A8
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/2019/084277A1
The present disclosure provides intelligent lighting control systems.  
WO/2019/064695A1
The objective of the invention is to enable constant current control even when a lamp is in a stable state without increasing the rated output of a power source. When the lamp is in a stable state in which the lamp voltage change value a...  
WO/2019/060364A1
Methods, systems, computer-readable media, and apparatuses for improved camera flash are presented. In some embodiments, a method includes performing an autofocus technique on a scene to obtain an autofocus output. The method also includ...  
WO/2019/044881A1
[Problem] To provide a high-frequency-power-source UV lamp monitor with which it is possible to easily confirm the illumination of a UV lamp built into a housing having a hermetically sealed structure. [Solution] A monitor provided as an...  
WO/2019/044761A1
The present invention addresses the problem of providing a power supply device with which externally emitted noise can be decreased in a preferable manner. The power supply device 100 is a power supply device to which alternating-current...  
WO/2019/029910A1
The invention relates to a dimmer for controlling the power consumption of a connectable load, in particular of an integrated or connectable lighting device, comprising at least two dimmer channels (K1, K2, Kx), each having a channel con...  
WO/2019/027220A1
Disclosed is a TV lighting control device and method for eye protection. The TV lighting control device for eye protection comprises: a sensor module for sensing information on light emitted from a TV screen, including the intensity and ...  
WO/2019/016025A1
The invention describes a method of controlling a segmented flash (10) having a plurality of flash segments (S1, S2, …, Sn), which method comprises the steps of measuring the forward voltages (Vf1, Vf2, …, Vfn) of the flash segments ...  
WO/2018/231230A1
In connection with a ground transportation vehicle light head (86) powered by a battery-based voltage source (20) supplying positive (76) and reference (i.e., ground) (78) voltages that define a voltage difference (22) applied across a n...  
WO/2018/222251A1
A method and apparatus for assigning addresses to components sharing a common bus. In one embodiment, an iterative elimination process is used to assign the addresses to each component. In another embodiment, each component includes a di...  
WO/2018/206925A1
A pulse width modulated voltage regulator comprises a first node (23) and a second node (24) with a load connected between them, a direct current voltage source comprising a supply rail (25) at a first voltage and a zero voltage rail (26...  
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...  

Matches 1 - 50 out of 42,241