Patents
Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
10/2006
10/26/2006US20060239042 DC-AC Converter and Controller IC Therefor
10/26/2006US20060239038 DC-AC converter and method of supplying AC power
10/26/2006US20060238930 Inductive coil assembly
10/26/2006US20060238177 Apparatus for power control in lighting systems
10/26/2006US20060238141 Circuit and method for operation of a gas discharge lamp
10/26/2006US20060238140 Electroluminescent lamp driving circuit and method
10/26/2006US20060238139 High efficiency off-line linear power supply
10/26/2006US20060238138 Control circuit for maintaining constant power in power factor corrected electronic ballasts and power supplies
10/26/2006US20060238130 Light source controlling circuit and portable electronic apparatus
10/26/2006DE102006019085A1 Entladungslampen-Lichtstromkreis A discharge lamp lighting circuit
10/26/2006DE102005018795A1 Elektronisches Vorschaltgerät mit Blindstromschwingungsreduzierung Electronic ballast with power-vibration reduction
10/26/2006DE102005018794A1 Selbsterregter Hochsetzteller A self-excited high set-creator
10/26/2006DE102005018793A1 Elektronisches Vorschaltgerät mit Phasendimmererkennung Electronic ballast with dimming phase detection
10/26/2006DE102005018792A1 Elektronisches Vorschaltgerät mit Blindstromschwingungsreduzierung Electronic ballast with power-vibration reduction
10/26/2006DE102005018775A1 Electronic ballast for e.g. fluorescent lamp, has microcontroller assigned to intermediate circuit voltage regulator, where external instructions are applied to microcontroller, and properties of regulator depend on external instructions
10/26/2006DE102005018774A1 Einstellbare digitale Leuchtmittelleistungsregelung Adjustable digital lamp power control
10/26/2006DE102005018764A1 Illuminant e.g. electric discharge lamp, output controlling method, involves controlling lamp output based on results of threshold discrimination on output parameter or further parameter as actual value
10/26/2006DE102005018763A1 Betriebsgeräte mit Auswertung der Lampentemperatur bei der Lampenregelung Control gear with evaluation of the temperature of the lamp in the lamp control
10/26/2006DE102005018762A1 Schutz des Sendezweigs einer Schnittstellenvorrichtung Protection of the transmission branch of an interface device
10/26/2006DE102005018761A1 Intelligente Flyback-Heizung Intelligent flyback heating
10/26/2006DE102005017674A1 Method for operating low-pressure gas discharge lamps e.g. for illuminated advertisements, involves controlling heat-rating of filaments during pre-heating
10/26/2006CA2605217A1 Electronic ballast with reactive current oscillation reduction
10/26/2006CA2605174A1 Electronic ballast with reactive current oscillation reduction
10/26/2006CA2605172A1 Self-excited step-up converter
10/26/2006CA2605169A1 Electronic ballast with phase dimmer detection
10/25/2006EP1715729A1 Electronic ballast for a lamp
10/25/2006EP1374648B1 Ballast device for uv emitter and method and device for disinfection of water
10/25/2006CN2831688Y Mains for controlling lamplight
10/25/2006CN2831681Y Energy saving lamps
10/25/2006CN2830879Y Modular fluorescent lamp
10/25/2006CN1853450A Circuit arrangement and method of operating a gas discharge lamp
10/25/2006CN1853449A Blended light lamp
10/25/2006CN1282050C Circuit used in ballast control IC
10/24/2006US7126831 DC-AC converter, and method for supplying AC power
10/24/2006US7126576 Backlight assembly and liquid crystal display device using the same
10/24/2006US7126575 Lamp driving apparatus, backlight assembly and liquid crystal display device using the same
10/24/2006US7126450 Inductively powered apparatus
10/24/2006US7126288 Digital electronic ballast control apparatus and method
10/24/2006US7126286 Lamp assembly, back light assembly having the same, display device having the same, and method of driving lamps
10/24/2006US7126283 System and method for generating a discharge in high pressure gases
10/19/2006WO2006108646A1 Device and method for operating a high-pressure gas discharge lamp
10/19/2006WO2006108645A1 Device and method for operating a high-pressure gas discharge lamp
10/19/2006WO2006108644A1 Device and method for operating a high-pressure gas discharge lamp
10/19/2006WO2006108407A1 Starter auxiliary electrode starting device with an arc gap
10/19/2006WO2006108406A1 Device for operating or starting a high-pressure discharge lamp lamp socket and illumination system with such a device and method for operation of a high-pressure discharge lamp
10/19/2006WO2006108394A1 Pulsed igniting device comprising a piezoelectric transformer for a high-pressure discharge lamp
10/19/2006WO2005101964A8 Hot cathode fluorescent lamp without filament
10/19/2006US20060232228 Apparatus and method for driving backlight
10/19/2006US20060232223 Discharge lamp lighting circuit
10/19/2006US20060231395 Control for an excimer emitter
10/19/2006DE102005017506A1 Elektronisches Vorschaltgerät für eine Lampe Electronic ballast for a lamp
10/19/2006DE102005017324A1 Electronic ballast for lamp, has signal evaluation unit, where direct current voltage reference potential for evaluation unit is implemented in value range, whose limit is defined by mass and voltage potentials
10/19/2006DE102005017323A1 Elektronisches Vorschaltgerät für eine Lampe Electronic ballast for a lamp
10/19/2006DE10162909B4 Entladungslampen - Beleuchtungsversorgungsschaltung Discharge lamps - lighting supply circuit
10/19/2006CA2606187A1 Pulsed igniting device comprising a piezoelectric transformer for a high pressure discharge lamp
10/19/2006CA2604790A1 Device for operating or igniting a high-pressure discharge lamp, lamp base and lighting system with such a device and method for operating a high-pressure discharge lamp
10/19/2006CA2604456A1 Starter auxiliary electrode starting device with an arc gap
10/18/2006EP1713309A2 Circuit and method for operating small sized short arc high pressure discharge lamps with AC
10/18/2006EP1712961A1 Control system and illumination control system
10/18/2006EP1712112A1 High frequency driver for gas discharge lamp
10/18/2006EP1712111A2 Method and ballast for driving a high-pressure gas discharge lamp
10/18/2006EP1532845A4 Electronic dimming ballast for compact fluorescent lamps
10/18/2006EP1459608B1 Method and device for driving a gas discharge lamp
10/18/2006EP1459607B1 The use of arc straightening in hid lamps operated at vhf frequencies
10/18/2006EP1332646B1 Electronic ballast with continued conduction of line current
10/18/2006CN2829294Y Intelligent controller for indoor lighting
10/18/2006CN2829293Y Electronic protecter of hand working lamp
10/18/2006CN2829292Y Electronic ballast with passive power factor correction
10/18/2006CN2829291Y Electronic ballast with passive power factor correcting circuit
10/18/2006CN2829290Y Electronic ballast with passive power factor correcting circuit
10/18/2006CN2829289Y Electronic ballast with passive power factor correction
10/18/2006CN2829288Y Electronic ballast with passive power factor correction
10/18/2006CN2829287Y Electronic ballast with passive power factor correcting circuit
10/18/2006CN2829286Y Power voltage-stabilization control circuit for HID lamp
10/18/2006CN2829285Y High-efficient electronic energy-saving ballast
10/18/2006CN2829284Y Integral power supply for neon lamp controlled by computer
10/18/2006CN2829283Y Starting circuit structure of tube
10/18/2006CN2829282Y Solar streetlight controller of two-path output time control
10/18/2006CN2829178Y Capacitance charge circuit for capacitive load charging
10/18/2006CN2829074Y Acousto-optical control delay electronic energy-saving lamp
10/18/2006CN1849849A Ballast with lampholder arc protection
10/18/2006CN1849848A Backlight device and display unit provided with it
10/18/2006CN1849031A Ballast with dimmer
10/18/2006CN1849030A Ballast with dimmer
10/18/2006CN1849029A Ballast
10/18/2006CN1849028A Electronic ballast for a lamp
10/18/2006CN1849027A Integrated circuit capable of enhanced lamp ignition
10/18/2006CN1849026A Neon lamp high-frequency magnetic leakage electronic transformer
10/18/2006CN1848593A Electronic device having path of power supplied to display part switched according to whether external power is supplied
10/18/2006CN1280988C Power-supply operation circuit with improved driving circuit
10/18/2006CN1280849C High voltage transformer and discharge driving device
10/17/2006USRE39341 Apparatus for lighting fluorescent lamp
10/17/2006US7123062 Power-up circuit in semiconductor memory device
10/17/2006US7122972 Dimmable ballast with resistive input and low electromagnetic interference
10/17/2006US7122964 Lamp and method of manufacturing the same
10/17/2006US7122960 Emission device for an ultra-high pressure mercury lamp
10/17/2006US7122939 Piezoelectric power supply
10/17/2006US7121944 Gaming machine having means to change the brightness of its lights
10/15/2006CA2542562A1 Electronic ballast for a lamp
10/14/2006CA2542569A1 Electronic ballast for a lamp