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Method of manufacturing printed wiring board, and printed wiring board
On a printed wiring board obtained by a method of manufacturing a printed board, a predetermined component is to be mounted on at least one of a front surface...
Composite electronic component and board having the same
A composite electronic component includes a composite body in which a capacitor and an inductor are coupled to each other, the capacitor including a ceramic...
Feed line structure, circuit board using same, and EMI noise reduction
Provided is a feed line structure that enables suppression of noise entering a primary power supply from an electronic circuit without using a circuit component...
Board assembly for transmitting high-speed signal and method of
manufacturing the same
A board assembly for transmitting a high-speed signal and a method of manufacturing the same. The board assembly may include a submount board, a base board, and...
Method and device for generating a plasma jet
A method and a device for generating a plasma jet under atmospheric pressure for the surface treatment of workpieces has a supply line for the plasma-capable...
Discharge lamp driving device, projector, and discharge lamp driving
A discharge lamp driving device includes: a discharge lamp driving unit which supplies drive power to a discharge lamp; and a control unit which controls the...
System and method for wirelessly controlling LED lighting
A system for wirelessly controlling LED lighting includes: a plurality of LED lamps, each lamp being equipped with a wireless communication module; and a smart...
Control panel and controlling method thereof
A control panel and a controlling method thereof. The control panel comprises: a panel body; an input unit, placed on the panel body, configured to obtain...
Lighting control system and lighting control method
The centralized lighting and air conditioning controller controls the light emission of lighting devices using brightness configuration values, and an...
System and method for occupancy sensing with enhanced functionality
A system and method provide fail-safe operation of a lighting system. A lighting level detector is used to obtain a baseline lighting level for a low-intensity...
Systems and methods of determining a type and feature set of a light
source, and the control thereof
Systems and methods of the disclosed subject matter provide to detect the signature of a light source through either electrical signature on a circuit or...
Methods and apparatus for controlling a lighting fixture utilizing a
Methods and apparatus for controlling a lighting fixture utilizing a communication protocol transmitted over the power line that feeds the lighting fixture....
LED driver apparatus
A light emitting diode (LED) driver apparatus is provided. The LED driver apparatus includes an input unit, a PWM signal generation unit, a DC-DC converter, an...
Organic light-emitting diode (OLED) display and method of manufacturing
An organic light-emitting diode (OLED) display and method of manufacturing the same are disclosed. In one aspect, the OLED display includes at least two OLED...
Stretchable display device
A stretchable display device includes: a stretchable substrate; a plurality of light emitting units on the stretchable substrate; and a plurality of reflective...
Operating device for luminous elements
Operating device for a luminous element (42), wherein the operating device (50) has a primary side (61) and a secondary side (62) and comprises a radio...
Interactive system and method for sensing movement
A system for sensing emotions, which produce color or sound variation in a series of elements, which experience different patterns of movement.
Low-overhead current generator for lighting circuits
This application relates to a lighting system comprising a plurality of light emitting diode, LED, circuits, and a power source for providing a drive voltage to...
Adjustment method for LED backlight brightness
An adjustment method for LED backlight brightness, comprising the following steps of: if the current LED backlight brightness is greater than a preset value,...
LED driver circuits
In some implementations, a circuit includes a first terminal to couple with an alternating current (AC) power source and a second terminal to couple with the AC...
Dimmer and LED driver with dimming modes
Drivers (2) comprise converters (21) for converting input signals from dimmers (1) into output signals destined for light emitting diode circuits (3) and...
System and methods for operating a lighting device
A lighting device may include a light source, a control circuit, and a communication device positioned in communication with the control circuit. The...
Method of prioritizing and synchronizing effect functions in an
The present invention relates to an illumination device comprising a number of light sources arranged in a first group and in a second and controlling means...
LED driving device and control method for LED driving device
The present disclosure discloses a LED driving device and a control method for the same. The LED driving device includes a conversion unit, a dimming switch...
LED drive circuit and method for driving LED
An LED drive circuit and drive method thereof are provided. The drive circuit comprises: a rectifier circuit receiving a phase-control dimming signal with a...
Lighting apparatus, illumination light source, and power supply unit
A lighting apparatus in which a light emitter (an illumination light source) can be easily reduced in size is provided. The lighting apparatus includes: a light...
Switched mode power supply
A switched mode power supply comprising: a rectified voltage terminal and a rectified ground terminal for receiving a phase-cut rectified voltage; a power...
Method and converter for supplying current to series connection of LEDs
The present disclosure describes a boost converter for supplying current to a series connection of light-emitting diodes (LEDs). A duty ratio of the main switch...
Bleeder circuit controller
A bleeder circuit controller (11) configured to control a bipolar junction transistor (10) having a collector (12) configured to be connected to an output of a...
Multi-mode dimmer interfacing including attach state control
A system and method includes a controller that is configured to coordinate (i) a low impedance path for a dimmer current, (ii) attaching a dimmer to a power...
A trigger-signal-output part sets a burst time cycle to a time period N (integer of two or more) times as long as a constant first cycle, and outputs a trigger...
LED current generation
Methods and apparatus, including computer program products, are provided for LED current generation. In one aspect there is provided a method, which may include...
Lighting apparatus capable of reducing flicker
Disclosed is a lighting apparatus which includes LEDs and reduces flicker. The lighting apparatus may secure a charge voltage by performing a charge operation...
Lighting fixture with application controller
More efficient full spectrum lighting technology provides new lighting possibilities. A system that implements full spectrum lighting technology includes a...
Modular light fixture with power pack
A light fixture including a support structure and a plurality of LEDs coupled to the structure and spaced apart along at least a portion of a length of the...
Microwave irradiation apparatus and substrate treatment method
In accordance with an embodiment, a microwave irradiation apparatus includes a chamber and a polarizing plate. The chamber is configured to accommodate a...
A casing, a heating chamber that is provided in the casing and that has an opening on a front face thereof, an exhaust tube for guiding exhaust from inside of...
Induction cooking hob with a number of heating zones
The present invention relates to an induction cooking hob (10) including a number of heating zones (12, 14, 16, 18). Each heating zone (12, 14, 16, 18)...
Induction cooking hob with a pot detection device and a method for
operating an induction cooking hob
An induction cooking hob with a pot detection device. The hob includes a cooking surface having cooking areas and/or cooking zones. The hob includes a user...
Stack including heater layer and drain layer
A multi-layer stack includes: a substrate; a drain layer on a first side of the substrate, the drain layer having a sheet resistance of less than about 10.sup.6...
Flow through heater
An electrical heating device for medical equipment is provided. The heating device includes a body, which may be an insulating body forming a channel...
Heatable surface device
A capacitive sensor electrode for controlling activation and deactivation of a PTC conductive ink heater can be deposited as part of the same layer of...
A honeycomb structure including: a tubular honeycomb structure part having porous partition walls and an outer peripheral wall; and a pair of electrode parts...
Susceptor support shaft with uniformity tuning lenses for EPI process
Embodiments of the invention generally relate to susceptor support shafts and process chambers containing the same. A susceptor support shaft supports a...
Radio communication devices and cellular wide area radio base station
A radio communication terminal device may include: a cellular wide area radio communication technology circuit configured to provide a communication according...
Apparatus, system and method for managing wireless local area network
service to a multi-mode portable...
A wireless access point manages wireless service to a multi-mode wireless communication device based on a wireless wide area network (WWAN) signal. The access...
Portable cellular network system
A system for setting up a cellular network is provided. The system includes a base station module and a core network module. The base station module has a...
Method for providing communication service and electronic device thereof
An apparatus and method for providing an LTE service in an electronic device. The method includes: transmitting or receiving a voice signal through a first...
Relay architectures for mobile wireless networks
A communication device configured to route communications between one or more out-of-coverage communication devices using one or more proximity services...
System and method for device to device (D2D) communication
Disclosed are a terminal control method and device, used for implementing control on a user equipment (UE) with a proximity perception capability when a D2D...