| Patent Number |
Title Of Patent |
Date Issued |
| 7432660 |
IC-based low cost reliable electronic ballast with multiple striking attempts and end of lamp life protection |
Oct. 7, 2008 |
| 7425799 |
Current detecting circuit |
Sep. 16, 2008 |
| 7414373 |
Discharge lamp driving circuit and method of driving a discharge lamp |
Aug. 19, 2008 |
| 7401603 |
High tension capacitive discharge ignition with reinforcing triggering pulses |
Jul. 22, 2008 |
| 7385356 |
Energy saving startup circuit for power supply |
Jun. 10, 2008 |
| 7378803 |
Igniting pulse booster circuit |
May. 27, 2008 |
| 7339330 |
Methods and circuits for instant hot restart of high intensity discharge lamps |
Mar. 4, 2008 |
| 7291983 |
Ballast and igniter for a lamp having larger storage capacitor than charge pump capacitor |
Nov. 6, 2007 |
| 7271545 |
Ballast and igniter for a lamp having larger storage capacitor than charge pump capacitor |
Sep. 18, 2007 |
| 7230389 |
Metal halide lamp having function for suppressing abnormal discharge |
Jun. 12, 2007 |
| 7221103 |
Circuit for operating high-pressure discharge lamps |
May. 22, 2007 |
| 7193368 |
Parallel lamps with instant program start electronic ballast |
Mar. 20, 2007 |
| 7164239 |
Discharge lamp ballast circuit |
Jan. 16, 2007 |
| 7106007 |
Flashlight lamp circuit with automatic light adjustment |
Sep. 12, 2006 |
| 7095181 |
Method and apparatus for controllably generating sparks in an ignition system or the like |
Aug. 22, 2006 |
| 7088054 |
Apparatus for emitting pulses of light and systems employing such apparatus |
Aug. 8, 2006 |
| 7019471 |
Ballast control IC with minimal internal and external components |
Mar. 28, 2006 |
| 6972529 |
Switch mode power supply for a gas discharge lamp |
Dec. 6, 2005 |
| 6891335 |
Electric gas lighting device |
May. 10, 2005 |
| 6788005 |
Inverter and lamp ignition system using the same |
Sep. 7, 2004 |
| 6774579 |
Electric discharge lamp and electric discharge lamp drive apparatus |
Aug. 10, 2004 |
| 6724155 |
Lamp ignition circuit for lamp driven voltage transformation and ballasting system |
Apr. 20, 2004 |
| 6707260 |
Circuit arrangement including DC-AC converter having a dependable start circuit |
Mar. 16, 2004 |
| 6680587 |
Electronic ballast with adaptable charge pump power factor correction |
Jan. 20, 2004 |
| 6670777 |
Ignition system and method |
Dec. 30, 2003 |
| 6608451 |
Ballast circuit with an ignitor for starting multiple HID lamps |
Aug. 19, 2003 |
| 6593703 |
Apparatus and method for driving a high intensity discharge lamp |
Jul. 15, 2003 |
| 6528956 |
Electronic ballast for high-intensity discharge lamps |
Mar. 4, 2003 |
| 6525493 |
Materials test chamber with xenon lamp radiation |
Feb. 25, 2003 |
| 6522088 |
Lamp ignition with automatic compensation for parasitic capacitance |
Feb. 18, 2003 |
| 6504313 |
Ignition scheme for electronic HID ballast |
Jan. 7, 2003 |
| 6459210 |
Switch mode energy recovery for electro-luminescent lamp panels |
Oct. 1, 2002 |
| 6449138 |
Electric gas-lighter |
Sep. 10, 2002 |
| 6396220 |
Lamp ignition with compensation for parasitic loading capacitance |
May. 28, 2002 |
| 6388392 |
System for providing auxiliary power to lighting unit for heavy equipment having a direct current power supply and no uninterruptible power supply |
May. 14, 2002 |
| 6353293 |
Method and apparatus for controllably generating sparks in an ignition system or the like |
Mar. 5, 2002 |
| 6323603 |
Resonant flyback ignitor circuit for a gas discharge lamp control circuit |
Nov. 27, 2001 |
| 6288499 |
Electromagnetic energy distributions for electromagnetically induced mechanical cutting |
Sep. 11, 2001 |
| 6281638 |
Converter/inverter full bridge ballast circuit |
Aug. 28, 2001 |
| 6242866 |
Electric gas-lighter |
Jun. 5, 2001 |
| 6194843 |
HID ballast with hot restart circuit |
Feb. 27, 2001 |
| 6191536 |
Solid-state ignition system using true voltage triggering |
Feb. 20, 2001 |
| 6188180 |
Ignition circuit for automotive high intensity discharge lamps |
Feb. 13, 2001 |
| 6184662 |
Pulsed power supply device |
Feb. 6, 2001 |
| 6127787 |
Sequential, clamped, single-ended ignition of series operation arc lamps |
Oct. 3, 2000 |
| 6104143 |
Exciter circuit with solid switch device separated from discharge path |
Aug. 15, 2000 |
| 6081074 |
Method and apparatus for offsetting power draw in a multiple channel system |
Jun. 27, 2000 |
| 6049176 |
Ignition device for an internal combustion engine |
Apr. 11, 2000 |
| 6049175 |
Arrangements relating to light emitting devices |
Apr. 11, 2000 |
| 6034483 |
Method for generating and controlling spark plume characteristics |
Mar. 7, 2000 |
