| Patent Number |
Title Of Patent |
Date Issued |
| 7489052 |
High voltage pulse generating circuit |
Feb. 10, 2009 |
| 7459861 |
Lamp containing voltage conversion circuit including forward/reverse hybrid phase-control clipping circuit |
Dec. 2, 2008 |
| 7352134 |
Lamp containing fixed reverse phase switching power supply with time-based phase pulse triggering control |
Apr. 1, 2008 |
| 7329996 |
Sine wave light-adjusting apparatus |
Feb. 12, 2008 |
| 7211964 |
Lamp including phase-control power controller with digital RMS load voltage regulation |
May. 1, 2007 |
| 7196480 |
Method of soft-starting a switching power supply containing phase-control clipping circuit |
Mar. 27, 2007 |
| 7164238 |
Energy savings device and method for a resistive and/or an inductive load and/or a capacitive load |
Jan. 16, 2007 |
| 7116062 |
Method of soft-starting a switching power supply including pulse width modulation circuit |
Oct. 3, 2006 |
| 7084528 |
High-voltage pulse generating circuit |
Aug. 1, 2006 |
| 7053562 |
Lamp containing soft-start power supply |
May. 30, 2006 |
| 7049758 |
Method of soft-starting a switching power supply having time-based pulse triggering control |
May. 23, 2006 |
| 7034469 |
Phase-control power controller with analog RMS load voltage regulation |
Apr. 25, 2006 |
| 7030567 |
Phase-control power controller with digital RMS load voltage regulation |
Apr. 18, 2006 |
| 6972529 |
Switch mode power supply for a gas discharge lamp |
Dec. 6, 2005 |
| 6946807 |
Lamp lighting apparatus for a discharge lamp |
Sep. 20, 2005 |
| 6888320 |
Switching power supply for discharge lamp and method for powering a lamp |
May. 3, 2005 |
| 6727661 |
Self-ballasted fluorescent lamp |
Apr. 27, 2004 |
| 6707260 |
Circuit arrangement including DC-AC converter having a dependable start circuit |
Mar. 16, 2004 |
| 6642673 |
Method and apparatus for disabling sodium ignitor upon failure of discharge lamp |
Nov. 4, 2003 |
| 6624600 |
Lamp power measurement circuit |
Sep. 23, 2003 |
| 6191536 |
Solid-state ignition system using true voltage triggering |
Feb. 20, 2001 |
| 6104143 |
Exciter circuit with solid switch device separated from discharge path |
Aug. 15, 2000 |
| 6091208 |
Lamp ignitor for starting conventional hid lamps and for starting and restarting hid lamps with hot restrike capability |
Jul. 18, 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 |
| 5854542 |
Flashing and diming fluorescent lamps for a gaming device |
Dec. 29, 1998 |
| 5754011 |
Method and apparatus for controllably generating sparks in an ignition system or the like |
May. 19, 1998 |
| 5621278 |
Ignition apparatus |
Apr. 15, 1997 |
| 5602522 |
Visual signaling system |
Feb. 11, 1997 |
| 5594308 |
High intensity discharge lamp starting circuit with automatic disablement of starting pulses |
Jan. 14, 1997 |
| 5587630 |
Continuous plasma ignition system |
Dec. 24, 1996 |
| 5561350 |
Ignition System for a turbine engine |
Oct. 1, 1996 |
| 5559404 |
Capacitive pulse forming network |
Sep. 24, 1996 |
| 5537010 |
Voltage-comparator, solid-state, current-switch starter for fluorescent lamp |
Jul. 16, 1996 |
| 5517087 |
Fluorescent lamp ignition circuit |
May. 14, 1996 |
| 5506478 |
AC ignition system with optimized electronic circuit |
Apr. 9, 1996 |
| 5488536 |
Exciter circuit using gated switches |
Jan. 30, 1996 |
| 5446348 |
Apparatus for providing ignition to a gas turbine engine and method of short circuit detection |
Aug. 29, 1995 |
| 5426346 |
Gas discharge lamp ballast circuit with reduced parts-count starting circuit |
Jun. 20, 1995 |
| 5399942 |
Apparatus and method for providing ignition to a turbine engine |
Mar. 21, 1995 |
| 5245252 |
Apparatus and method for providing ignition to a turbine engine |
Sep. 14, 1993 |
| 5148084 |
Apparatus and method for providing ignition to a turbine engine |
Sep. 15, 1992 |
| 5065073 |
Apparatus and method for providing ignition to a turbine engine |
Nov. 12, 1991 |
| 5049786 |
High energy ignitor power circuit |
Sep. 17, 1991 |
| 4899086 |
Electroluminescence light emission apparatus |
Feb. 6, 1990 |
| 4881011 |
Control gear for high intensity gas discharge lighting |
Nov. 14, 1989 |
| 4868461 |
Thyristor triggering device |
Sep. 19, 1989 |
| 4839772 |
Capacitive discharge electronic ignition system for automobiles |
Jun. 13, 1989 |
| 4833369 |
Constant spark rate ignition exciter |
May. 23, 1989 |
| 4829971 |
Regulated power supply for a solid state ignition system |
May. 16, 1989 |
