Patent | Date |
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Electronic ballast or operating device for illumination means having programmable or configurable control unit Grant 9,131,546 - Zudrell-Koch , et al. September 8, 2 | 2015-09-08 |
Digital control circuit of an operating device for lamps Grant 8,803,450 - Zudrell-Koch , et al. August 12, 2 | 2014-08-12 |
Method for the operation of illuminants Grant 8,803,541 - Zudrell-Koch , et al. August 12, 2 | 2014-08-12 |
Emergency lighting device for operating a light source, in particular an LED Grant 8,716,936 - Rohner , et al. May 6, 2 | 2014-05-06 |
Electronic Ballast Or Operating Device For Illumination Means Having Programmable Or Configurable Control Unit App 20140103836 - Zudrell-Koch; Stefan ;   et al. | 2014-04-17 |
Error detector in an operating device for lighting devices Grant 8,664,896 - Zudrell-Koch , et al. March 4, 2 | 2014-03-04 |
Electronic ballast or operating device for illumination means having programmable or configurable control unit Grant 8,638,040 - Zudrell-Koch , et al. January 28, 2 | 2014-01-28 |
Device and a method for controlling light emission Grant 8,358,075 - Sejkora , et al. January 22, 2 | 2013-01-22 |
Emergency Lighting Device For Operating A Light Source, In Particular An Led App 20120068601 - ROHNER; Daniel ;   et al. | 2012-03-22 |
Dimmable operating device having internal dimming characteristic Grant 8,111,010 - Zimmermann , et al. February 7, 2 | 2012-02-07 |
Device And A Method For Controlling Light Emission App 20100301757 - Sejkora; Guenther ;   et al. | 2010-12-02 |
Operating Device For Operating A Light Source, In Particular Led App 20100301766 - Zudrell-Koch; Stefan ;   et al. | 2010-12-02 |
Method and device for dimming lighting control devices to a predefined level Grant 7,741,785 - Juen , et al. June 22, 2 | 2010-06-22 |
Method for the monitoring of transmissions of a bidirectional interface Grant 7,733,796 - Boeckle , et al. June 8, 2 | 2010-06-08 |
Interface for lamp operating units with low standby losses Grant 7,705,546 - Juen April 27, 2 | 2010-04-27 |
Digital Control Circuit of an Operating Device for Lamps App 20100052556 - Zudrell-Koch; Stefan ;   et al. | 2010-03-04 |
Emergency Lighting Device For Operating A Light Source, In Particular An LED App 20100038965 - Rohner; Daniel ;   et al. | 2010-02-18 |
Dimmable Operating Device having Internal Dimming Characteristic App 20090167207 - Zimmermann; Michael ;   et al. | 2009-07-02 |
Digital interface with potentiometer Grant 7,466,084 - Juen December 16, 2 | 2008-12-16 |
Starter circuit having regulated starter voltage Grant 7,462,992 - Arbinger , et al. December 9, 2 | 2008-12-09 |
Electronic Ballast or Operating Device for Illumination Means Having Programmable or Configurable Control Unit App 20080036395 - Zudrell-Koch; Stefan ;   et al. | 2008-02-14 |
Interface for lamp operating units with low standby losses App 20070138974 - Juen; Reinhold | 2007-06-21 |
Starter circuit having regulated starter voltage App 20070080650 - Arbinger; Kai ;   et al. | 2007-04-12 |
Electronic ballast with overvoltage monitoring Grant 7,067,994 - Soehnel June 27, 2 | 2006-06-27 |
Electronic ballast and operating method for a gas discharge lamp Grant 7,057,358 - Seibt , et al. June 6, 2 | 2006-06-06 |
Electronic ballast and electronic transformer Grant 6,909,246 - Hein June 21, 2 | 2005-06-21 |
Electronic ballast with full bridge circuit Grant 6,876,158 - Trostl , et al. April 5, 2 | 2005-04-05 |
Electronic ballast and operating method for a gas discharge lamp App 20050017655 - Seibt, Marco ;   et al. | 2005-01-27 |
Electronic ballast with overvoltage monitoring App 20050012472 - Soehnel, Christian | 2005-01-20 |
Drive for light-emitting diodes Grant 6,826,059 - Bockle , et al. November 30, 2 | 2004-11-30 |
Circuitry arrangement for the operation of a plurality of gas discharge lamps Grant 6,765,354 - Klien , et al. July 20, 2 | 2004-07-20 |
Drive circuit for light-emitting diodes Grant 6,747,420 - Barth , et al. June 8, 2 | 2004-06-08 |
Circuit configuration to operate a gas discharge lamp Grant 6,747,423 - Ludorf June 8, 2 | 2004-06-08 |
Electronic ballast with full bridge circuit App 20040004447 - Trostl, Alfred ;   et al. | 2004-01-08 |
Circuitry arrangement for the operation of a plurality of gas discharge lamps App 20030214252 - Klien, Dietmar ;   et al. | 2003-11-20 |
Drive circuit for light-emitting diodes App 20030117087 - Barth, Alexander ;   et al. | 2003-06-26 |
Drive for light-emitting diodes App 20030043611 - Bockle, Reinhard ;   et al. | 2003-03-06 |
Electronic ballast and electronic transformer App 20030011319 - Hein, Peter | 2003-01-16 |