Patents
Sitemap › H05 - Electric techniques not otherwise provided for › H05B - Electric heating; Electric lighting not otherwise provided for › H05B 37 - Circuit arrangements for electric light sources in general
Patents for H05B 37 - Circuit arrangements for electric light sources in general (57,776)
05/2012
05/15/2012US8179052 Reduced power loss in electronic ballasts
05/15/2012US8179051 Serial configuration for dynamic power control in LED displays
05/15/2012US8177389 Deterministically calculating dimming values for four or more light sources
05/14/2012DE202009018598U1 LED-Röhre LED tube
05/10/2012WO2012061784A2 Switching power converter input voltage approximate zero crossing determination
05/10/2012WO2012061782A2 Thermal management in a lighting system using multiple, controlled power dissipation circuits
05/10/2012WO2012061781A2 Controlled power dissipation in a link path in a lighting system
05/10/2012WO2012061774A2 Controlled energy dissipation in a switching power converter
05/10/2012WO2012061769A2 Controlled power dissipation in a switch path in a lighting system
05/10/2012WO2012061503A2 Wireless adaptation of lighting power supply
05/10/2012WO2012059842A1 Lighting system with radar detection
05/10/2012WO2012059778A1 Driver for two or more parallel led light strings
05/10/2012WO2012058904A1 Centralized dc power supply system for leds and operation method thereof
05/10/2012WO2012039930A3 Auto-sensing switching regulator to drive a light source through a current regulator
05/10/2012WO2012035430A3 Thermal foldback circuit with dimmer monitor
05/10/2012WO2012027414A3 An improved combined lighting and video control system
05/10/2012WO2011061661A3 Electronic system as well as a base part and an electronic module suitable for such an electronic system
05/10/2012US20120113247 Lighting Device For Alignment And Exposure Device Having The Same
05/10/2012US20120112668 Lighting arrangement
05/10/2012US20120112667 Controlling Intensity of a Light Through Qualified Motion Sensing
05/10/2012US20120112665 Controlled Power Dissipation In A Lighting System
05/10/2012US20120112664 Lamp Circuit of Light Emitting Device
05/10/2012US20120112663 Light-emitting diode control circuit
05/10/2012US20120112662 Systems and methods of controlling the output of a light fixture
05/10/2012US20120112661 Lighting device with multiple emitters and remote lumiphor
05/10/2012US20120112660 LED Circuit Having LED Driving Circuit with Smooth Transient Mechanism and Operation Method of the Same
05/10/2012US20120112659 LED Circuit Having LED Driving Circuit and Operation Method of the Same
05/10/2012US20120112658 Color temperature control of flash units
05/10/2012US20120112657 Low cost power supply circuit and method
05/10/2012US20120112656 Pwm signal generating circuit for dc-dc converter using dimming signal and led driver circuit using the same in digital pwm method having fixed phase mode
05/10/2012US20120112655 Pwm signal generating circuit for dc-dc converter using dimming signal and led driving circuit having the same in direct digital dimming method
05/10/2012US20120112654 Wireless Adaptation of Lighting Power Supply
05/10/2012US20120112652 Driver circuit for light-emitting device
05/10/2012US20120112651 Duty factor probing of a triac-based dimmer
05/10/2012US20120112650 Driving circuit with dimming controller for driving light sources
05/10/2012US20120112649 Led backlight device
05/10/2012US20120112648 Electronic Transformer Compatibility for Light Emitting Diode Systems
05/10/2012US20120112647 Circuit for a light emitting diode assembly and light emitting diode module
05/10/2012US20120112646 Converting control circuit
05/10/2012US20120112645 Feedback control circuit and led driving circuit
05/10/2012US20120112644 Light emitting diode driving integrated circuit and method for driving a series of light emitting diodes
05/10/2012US20120112643 Light-emitting diode lamp with multi-channel constant-voltage and constant-current control
05/10/2012US20120112642 Organic electroluminescent apparatus
05/10/2012US20120112641 Led night light/led emergency light
05/10/2012US20120112640 Sustainable Outdoor Lighting System for Use in Environmentally Photo-Sensitive Area
05/10/2012US20120112639 Controlled Power Dissipation In A Link Path In A Lighting System
05/10/2012US20120112638 Thermal Management In A Lighting System Using Multiple, Controlled Power Dissipation Circuits
05/10/2012US20120112633 System and Method For A Light Bulb Fixture with Sensor Switch and Its Operation and Method for operating the same
05/10/2012DE102011055071A1 Kompatibilität elektronischer transformatoren für leuchtdiodensysteme Compatibility of electronic transformers for light-systems
05/10/2012DE102011007492A1 Light source device, has controlling unit actuating driving apparatus, and excitation beam sources that lie in predetermined range of values, where output power with specified value is not element of predetermined range of values
05/10/2012DE102010060437A1 Light module operating device, has circuit comprising protection capacitor, and current limiting element i.e. voltage-dependent resistor, connected in series with capacitor in circuit or in series with controlled switch in bypass branch
05/10/2012DE102010060424A1 Vorrichtung zur Beleuchtung einer Umgebung Apparatus for lighting an environment
05/10/2012DE102010060344A1 Surface mounted device equipped foil strip for use as e.g. lighting device, has two conductors whose first broad sides are arranged at surface side of plastic film and second broad sides are mounted on surface mounted device components
05/10/2012DE102010050851A1 Verfahren zum Steuern der Helligkeit von Halbleiterlichtquellen eines Kraftfahrzeug und korrespondierende Vorrichtungen A method for controlling the brightness of semiconductor light sources of a motor vehicle and corresponding devices
05/10/2012DE102010050748A1 Elektrisches Installationsgerät Electrical installation device
05/10/2012DE102010050747A1 Schaltungsanordnung zum Betreiben einer Leuchtdiode Circuit arrangement for operating a light-emitting diode
05/10/2012DE102010048661B4 Beleuchtungseinrichtung für ein Kraftfahrzeug Lighting device for a motor vehicle
05/10/2012DE102010043613A1 Störsichere Leuchtmittelsteuerung Interference-Lamp Control
05/10/2012DE102010039012A1 LED-Lampe LED lamp
05/09/2012EP2451252A1 Lighting system
05/09/2012EP2450237A1 Switch assembly for operating a light emitting diode
05/09/2012EP2449858A2 Method and system for asynchronous lamp identification
05/09/2012EP2449857A1 Method and device for driving a lamp
05/09/2012EP2449589A1 Multicolor light emitting diodes
05/09/2012EP2449437A1 Systems and methods for managing interaction with controllable lighting networks
05/09/2012DE202012101221U1 LED-Steuerung mit zweiadrigem Kabel LED control with two-wire cable
05/09/2012CN202218465U LED (Light Emitting Diode) drive power supply with various light dimming manners and input voltage isolation-blocking function
05/09/2012CN202218464U LED driving power source having multiple dimming method
05/09/2012CN202218463U Light-emitting diode (LED) driving power supply with input voltage isolation protection function
05/09/2012CN202218462U Road lighting dimming control system based on vehicle flow
05/09/2012CN202218461U LED drive device and light source equipment adopting same
05/09/2012CN202218460U DC coupled buck-boost solar LED power source
05/09/2012CN202218459U Low-cost LED driving power supply load circuit
05/09/2012CN202218458U Emergency power source for LED light and fluorescent light
05/09/2012CN202218457U Novel lighting branch circuit controller
05/09/2012CN202218456U Modulation energy-saving type LED current drive device
05/09/2012CN202218455U Single light control device used for urban lighting
05/09/2012CN202218454U Voltage and current adjustable soft switch LED power supply
05/09/2012CN202218453U High-intensity energy-saving two-dimension light source
05/09/2012CN202218452U Full-color color-changing energy-efficient LED lamp
05/09/2012CN202218451U Lighting network control system
05/09/2012CN202218450U Light-emitting diode (LED) fluorescent lamp with automatic control module
05/09/2012CN202218449U Motorcycle emergency lamp control circuit
05/09/2012CN202218448U Intelligent driving device of LED light
05/09/2012CN202218447U Drive device for light emitting diode and light fixture
05/09/2012CN202218446U Cycle control WLED drive chip and drive circuit adopting same
05/09/2012CN202218445U 柱灯 Bollard
05/09/2012CN202218444U LED light and LED control system
05/09/2012CN202218443U LED (Light Emitting Diode) lamp and LED control system
05/09/2012CN202218442U LED light and LED control system
05/09/2012CN202218441U Street lamp energy-saving controller
05/09/2012CN202218440U LED (Light Emitting Diode) corrugated lamp circuit and LED corrugated lamp
05/09/2012CN202218439U Light-emitting diode (LED) driving circuit device
05/09/2012CN202218438U Power supply of non-electrolytic capacitor
05/09/2012CN202218437U Emergency safety illumination device
05/09/2012CN202217485U Anti-interference LED panel
05/09/2012CN202217213U Display device with illumination control function
05/09/2012CN202216763U Thermal imaging interference unit
05/09/2012CN202216208U Control circuit board for miniature explosion-proof mine lamp
05/09/2012CN202216205U Energy-saving device for expressway road lamp
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