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Patent Searching and Data


Matches 1 - 50 out of 42,322

Document Document Title
WO/2020/100733A1
Provided is an excimer lamp light source device that realizes low cost and avoids the occurrence of linear discharge by using a lamp bulb having a simple structure in which a discharge current flows in a tube axis direction. The excime...  
WO/2020/082324A1
A method and apparatus of adjusting parameter for an electrical device. The method of adjusting parameter for an electrical device, the electrical device comprising a converter, the method including: calculating a performance evaluation ...  
WO/2020/068089A1
A zero-crossing detection method, and devices incorporating the method, enable a selectively enabled bias to pull-up a zero-crossing signal, thereby enabling monitoring of the zero-crossing of both half-cycles of the alternating current ...  
WO/2020/056083A1
Techniques for controlling the color of a light source during dimming are provided. A current control circuit may be arranged within a light source module and configured to adjust, according to a driving input current, the current path t...  
WO/2020/052798A1
The invention relates to a method for flashlamp control, in which a main pulse of the lamp current, producing a flash, is generated, and a pre-pulse of the lamp current is previously generated by application of a bias voltage, as well as...  
WO/2020/009268A1
A light emitting diode driving circuit comprises: a capacitor; a first diode bridge circuit for receiving and rectifying a (1-1)th diode bridge input signal and a (1-2)th diode bridge input signal to output a (1-1)th diode bridge output ...  
WO/2020/004251A1
Provided is a flash discharge tube (1) that reduces variations in optical light distribution characteristics when the amount of light emitted therefrom is small while being able to provide an improved service life/durability even when us...  
WO/2019/229590A1
Disclosed is a phase-cut dimmer, comprising an AC switch coupled in series between an AC supply and a load; a DC power supply powered from a voltage across the switch; a zero-crossing detector of a phase-cut AC voltage across the switch;...  
WO/2019/225044A1
This device is provided with: a lamp lighting unit configured to execute operations for lighting up a deuterium lamp by controlling a lamp drive unit and a heater drive unit; an abnormality determination unit configured to determine, in ...  
WO/2019/226567A1
One embodiment can provide a light switch module for controlling at least one light source coupled to the light switch module. The light switch module can include a manual control configured to receive a user manual operation; a control-...  
WO/2019/225917A1
A fluorescent lamp ballast-compatible LED lamp stabilizer comprises: a low-voltage operating load circuit which changes the state of a switch by comparing a voltage acquired from a junction of a plurality of resistances with a predetermi...  
WO/2019/218129A1
A method and device of detecting the status of a lamp, and a lamp driver are provided. The status of the lamp can be determined according to degrees of variations of output voltages of a driver of the lamp (101). Therefore, the status of...  
WO/2019/222259A1
A lighting module includes a housing formed of a thermally conducting material having a thermal conductivity greater than at least 0.5 W m-1K-1. The housing comprises a sidewall that forms a substantially cylindrical cavity, and a flange...  
WO/2019/205071A1
A power supplier circuit, a controlling method and an electronic equipment. The power supplier circuit includes: a converting circuit, configured to convert input voltage to output voltage, the converting is controlled by a controller of...  
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/2019/154580A1
The invention relates to a method for operating at least one lighting means (3) which has a temperature-dependent current/voltage characteristic curve U(I), comprising an LED converter (2), wherein a control circuit (14) of the LED conve...  
WO/2019/150359A1
An IPL apparatus utilizing a Pulse Forming Network (PFN) for generating a plurality of light pulse sequences, comprising a treatment unit comprising one or more lamps adapted to emit a plurality of light pulses towards a treatment face o...  
WO/2019/140335A1
Various embodiments are directed to methods and apparatus relating to fan and/or lighting control. Some embodiments are directed to the use of RF and WiFi control in a fan device to control fan status and speed and/or fan light on/off st...  
WO/2019/117534A1
The present invention relates to an air cleaning module mounted to a vehicle-mounted air cleaning device, and the air cleaning module mounted to a vehicle-mounted air cleaning device according to the present invention is a high-efficienc...  
WO/2019/118324A1
Software is used to allow inputs to a microcontroller to have primary and alternate functions, which reduces the need for additional inputs and associated conductors in a programmable device such as a warning signal light. The microcontr...  
WO/2019/090124A3
An ultraviolet lamp system is provided. The ultraviolet lamp system includes: (a) a bulb; (b) at least one magnetron configured to emit microwave energy configured to be received by the bulb; and (c) a power supply configured to provide ...  
WO/2019/099455A1
The specification discloses a flashing lamp circuit including (1) at least one LED, (2) a dual-BJT astable multivibrator, and (3) a BJT/MOSFET pair that functions as both (a) a switch between the multivibrator and the lamp and (b) a curr...  
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/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/2018/065120A3
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/2018/115554A1
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/2018/065265A1
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...  

Matches 1 - 50 out of 42,322