Patents
Patents for H05B 43 - Circuit arrangements for light sources, not otherwise provided for (158)
01/2015
01/13/2015US8934214 Plasma gap detonator with novel initiation scheme
08/2014
08/12/2014US8804066 Backlight unit and liquid crystal display device having the same
12/2013
12/25/2013CN203368884U Control apparatus for Light Emitting PVC (LEP) driving power supply
10/2013
10/08/2013US8553388 Electronic device for controlling a current
07/2013
07/17/2013CN103209533A Method and device for discriminating incandescent lamp from energy saving lamp
05/2013
05/02/2013DE102011117455A1 Gesteuerte Versorgungsschaltung Controlled supply circuit
04/2013
04/11/2013DE10361908B4 Anordnung zur Erzeugung impulsförmiger Ströme hoher Repetitionsrate und hoher Stromstärke für gasentladungsgepumpte Strahlungsquellen Arrangement for generating pulsed currents of high repetition rate and high amperage for gas-discharge-pumped radiation sources
12/2012
12/20/2012US20120319557 Active Matrix Display with Integrated Repair Structure for Open Lines
11/2012
11/06/2012US8305010 Light-emitting diode lighting device with step-down chopper
08/2012
08/22/2012CN101836039B A lighting device which colour and colour temperature is changed
08/16/2012WO2012109669A1 Illumination system
07/2012
07/10/2012US8217588 Adaptive dimmable LED lamp
06/2012
06/12/2012US8198822 Light source driving apparatus and light source apparatus having the same
04/2012
04/11/2012EP1472913B1 Analysis method
12/2011
12/08/2011WO2011152795A1 Device and method for driving leds
05/2011
05/26/2011US20110121761 Synchronized phase-shifted pulse width modulation signal generation
08/2010
08/05/2010US20100194285 Light source driving apparatus and light source apparatus having the same
04/2010
04/28/2010CN1674757B Electromagnetic inductive lamp circuit
04/20/2010US7701694 Armament fuse arrangement
02/2010
02/25/2010US20100045212 Devices having laterally arranged nanotubes
12/2009
12/02/2009CN100565299C Backlight drive device
10/2009
10/08/2009US20090251075 Inertial-power light-emitting device
09/2009
09/23/2009CN100544541C Method for producing circular inclined light lighting device and flexible circuit base board
08/2009
08/19/2009CN100530522C Apparatus for intercepting leakage of microwave
06/2009
06/11/2009US20090146574 Safety circuit for electro-luminescent lamp ballast
05/2009
05/28/2009US20090134802 Showcase
05/14/2009WO2009059454A1 A lighting device which colour and colour temperature is changed
01/2009
01/29/2009US20090026964 High Frequency Power Supply
11/2008
11/26/2008CN201156843Y Laser power supply apparatus of high power factor and low harmonic content
07/2008
07/31/2008US20080180044 LED driver circuit
07/22/2008CA2291122C Automated microbiological testing apparatus and methods therefor
05/2008
05/01/2008US20080099699 Extreme ultraviolet radiation source device
03/2008
03/19/2008CN101144936A Backlight drive device
02/2008
02/05/2008CA2253714C Mobile controllable strobe light system and method for directing the movements of a fish
11/2007
11/21/2007CN101077039A Driver circuit for driving gas discharge lamp and method of calibrating driver circuit
10/2007
10/25/2007DE102006034371A1 Betriebsschaltung für Leuchtdioden Operating circuit for LEDs
10/24/2007CN200966023Y A laser power supply circuit
09/2007
09/05/2007EP1829435A2 Method of calibrating a lamp ballast
08/2007
08/16/2007WO2006035343A3 Method of calibrating a lamp ballast
07/2007
07/10/2007US7242148 Continuous current control circuit modules of series string bulbs type (II)
01/2007
01/24/2007CN1297178C Microwave illuminating system
12/2006
12/26/2006US7154732 Apparatus and system for controlling a squib firing device
12/07/2006DE102005045569A1 Charging capacitor charging device for operation of discharge lamp, has controller calculating switching time of switch for observation of reference values in real time, and controlling switch to calculated switching time for switching
12/06/2006CN2845407Y Underwater annual ballast
09/2006
09/26/2006CA2354093C Control system to automatically dim vehicle head lamps
08/2006
08/15/2006US7092089 Method and system for chemical or biochemical analysis of a target analyte in a target environment
08/09/2006CN2805294Y 24V/36V low voltage metal halide gas-discharge light source
08/09/2006CN1268991C Emission controlling apparatus and image forming apparatus
07/2006
07/26/2006CN1808219A Apparatus and method for protecting light source of image device
06/2006
06/21/2006CN1260769C Resonator of microwave lighting device and method for making same
05/2006
05/24/2006EP1415517B1 Led switching arragement
05/17/2006EP1415518B1 Led switching arrangement
05/03/2006EP1014783B1 Mobile controllable strobe light system and method for directing the movements of a fish
04/2006
04/12/2006CN1251298C Microwave energy illuminating device
04/12/2006CN1251297C Apparatus and method for preventing microwave from leakage
02/2006
02/15/2006CN1242654C Lighting device using microwave
12/2005
12/14/2005CN2746711Y Silicon controlled anion air purification lamp
12/06/2005US6972525 Led switching arrangement
10/2005
10/18/2005US6956490 Projector with consumable component having memory device
09/2005
09/28/2005CN1674757A Electromagnetic inductive lamp circuit
08/2005
08/24/2005CN1658729A Lighting device and lighting system
08/18/2005US20050179629 Lighting device and lighting system
07/2005
07/26/2005US6922022 LED switching arrangement for enhancing electromagnetic interference
07/20/2005CN1642382A Carry-on article with cold-light luminscence function and its making method
05/2005
05/18/2005CN1618257A Test method
05/11/2005CN1614737A Apparatus and method for intercepting leakage of microwave
03/2005
03/10/2005US20050052652 Test method
02/2005
02/17/2005DE102004014160A1 Projektor mit Verbrauchsartikelkomponente, die eine Speichervorrichtung aufweist Projector with consumable component, comprising a memory device
02/09/2005CN1577066A Projector with consumable component having memory device
02/03/2005US20050024219 Projector with consumable component having memory device
01/2005
01/05/2005CN2668001Y Cup underlay
11/2004
11/03/2004EP1472913A1 Test method
09/2004
09/16/2004US20040178749 Led switching arrangement
09/02/2004US20040170037 Led switching arrangement
05/2004
05/27/2004WO2003067936A8 Test method
05/06/2004EP1415518A1 Led switching arrangement
05/06/2004EP1415517A1 Led switching arragement
12/2003
12/09/2003US6661183 Apparatus and method for intercepting leakage of microwave
09/2003
09/17/2003CN1442879A Microwave energy illuminating device
08/2003
08/19/2003US6608443 Lighting apparatus using microwave energy
08/14/2003WO2003067936A1 Test method
04/2003
04/16/2003CN1411029A Apparatus and method for preventing microwave from leakage
04/03/2003US20030062852 Apparatus and method for intercepting leakage of microwave
01/2003
01/30/2003WO2003009654A1 Led switching arrangement
01/30/2003WO2003009653A1 Led switching arrangement
01/2002
01/16/2002EP0910934B1 Circuit for signal transmitters with leds
10/2001
10/03/2001CN2452246Y LED ultragrace voltage driver
03/2001
03/07/2001EP1014783A4 Mobile controllable strobe light system and method for directing the movements of a fish
07/2000
07/05/2000EP1014783A1 Mobile controllable strobe light system and method for directing the movements of a fish
03/2000
03/29/2000CN2371764Y Double-colour multi-position brightness regulator for aiming device
08/1999
08/11/1999CN2333141Y A. C. step-up device for driving cold light sheet
08/04/1999CN1225229A Circuit for signal transmitters with LEDS
04/1999
04/28/1999EP0910934A1 Circuit for signal transmitters with leds
04/20/1999CA2219971A1 Linearzing circuit for current-feedback-controlled supply of light-emitting diodes
03/1999
03/26/1999CA2218425A1 Led power supply system having a power factor controller and a multi-coil inductor device
01/1999
01/27/1999CN2305829Y Multi-function universal light controller
02/1998
02/25/1998EP0617852B1 Apparatus and method for controlling an extinction ratio of a laser diode over temperature
01/1998
01/15/1998WO1998002020A1 Circuit for signal transmitters with leds
01/15/1998DE19627475A1 Schaltungsanordnung für Signalgeber in Straßenverkehrsanlagen Circuitry for sensors in road traffic facilities
01/15/1998CA2260210A1 Circuit for signal transmitters with leds
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