| 6819059 |
Flash strobe power supply system and method |
Tilton L. Block |
2004-11-16 |
| 6470197 |
Headset control system for operating a microcontroller based device |
Veijo Tuoriniemi |
2002-10-22 |
| 6366032 |
Fluorescent lamp ballast with integrated circuit |
David J. Moore |
2002-04-02 |
| 6011363 |
Constant wattage electric ballast circuit for lamp |
— |
2000-01-04 |
| 5978689 |
Personal portable communication and audio system |
Veijo Tuoriniemi |
1999-11-02 |
| 5877596 |
Universal electronic ballast for a family of fluorescent lamps |
— |
1999-03-02 |
| 5831526 |
Atmospheric hazard detector network |
Richard L. Hansler, Mark Thomsen |
1998-11-03 |
| 5814976 |
High power factor electronic ballast |
— |
1998-09-29 |
| 5654610 |
Electrodeless discharge lamp having a neon fill |
William J. Cassarly, John M. Davenport, Thomas R. Stanton |
1997-08-05 |
| 5426346 |
Gas discharge lamp ballast circuit with reduced parts-count starting circuit |
— |
1995-06-20 |
| 5414325 |
Gas discharge lamp ballast circuit with automatically calibrated light feedback control |
— |
1995-05-09 |
| 5317237 |
Low voltage ballast circuit for a high brightness discharge light source |
Raymond A. Buchina, James D. Mieskowski, Edward J. Thomas, John M. Davenport |
1994-05-31 |
| 5198727 |
Acoustic resonance operation of xenon-metal halide lamps on unidirectional current |
Gary R. Allen, John M. Davenport, Richard L. Hansler, Kenneth S. King |
1993-03-30 |
| 5121034 |
Acoustic resonance operation of xenon-metal halide lamps |
Gary R. Allen, John M. Davenport, Richard L. Hansler |
1992-06-09 |
| 5047695 |
Direct current (DC) acoustic operation of xenon-metal halide lamps using high-frequency ripple |
Gary R. Allen, John M. Davenport, Richard L. Hansler |
1991-09-10 |
| 4987347 |
Lamp driver circuit |
Robert A. Leskovec, John M. Davenport |
1991-01-22 |
| 4904907 |
Ballast circuit for metal halide lamp |
Richard L. Hansler, Park French, John M. Davenport, Robert A. Leskovec |
1990-02-27 |
