| 7758215 |
PAR lamp with short arc HID bulb and cut-out in aluminum to prevent arcing |
David A. Gwinn |
2010-07-20 |
| 5917289 |
Lamp ballast with triggerless starting circuit |
Louis R. Nerone, David J. Kachmarik |
1999-06-29 |
| 5619106 |
Diodeless start circiut for gas discharge lamp having a voltage divider connected across the switching element of the inverter |
— |
1997-04-08 |
| 5483125 |
Ballast circuit for a gas discharge lamp having a cathode pre-heat arrangement |
David J. Kachmarik, Louis R. Nerone, Kurt W. Haas |
1996-01-09 |
| 5479102 |
Simulated load circuit for simulating the arc impedance of an electrodless discharge lamp |
Sayed-Amr El-Hamamsy, Mark E. Duffy, Gerald E. Duffy |
1995-12-26 |
| 5440199 |
Base for electrodeless discharge lamp |
Raymond A. Heindl, Mark E. Duffy, Frederick Hetzel, David J. Marks, Lawrence T. Mazza +1 more |
1995-08-08 |
| 5382878 |
Auto-starting system for an electrodeless high intensity discharge lamp |
Edward J. Thomas, Sayed-Amr El-Hamamsy |
1995-01-17 |
| 5332970 |
Method for measuring the impedance of an electrodeless arc discharge lamp |
Sayed-Amr El-Hamamsy, Mark E. Duffy, Gerald E. Duffy |
1994-07-26 |
| 5059867 |
Ballast circuit with improved transfer functions |
Louis R. Nerone, Michael M. Minarczyk |
1991-10-22 |
