Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5153484 | Electrodeless high intensity discharge lamp excitation coil and ballast configuration for maximum efficiency | — | 1992-10-06 |
| 5134345 | Feedback system for stabilizing the arc discharge of a high intensity discharge lamp | Victor D. Roberts | 1992-07-28 |
| 5118997 | Dual feedback control for a high-efficiency class-d power amplifier circuit | — | 1992-06-02 |
| 5118996 | Starting circuit for an electrodeless high intensity discharge lamp | John P. Cocoma, George A. Farrall | 1992-06-02 |
| 5119284 | Efficient power supply post regulation | Rayette Ann Fisher | 1992-06-02 |
| 5113171 | High-frequency current-viewing resistor | — | 1992-05-12 |
| 5107185 | Shielded starting coil for an electrodeless high intensity discharge lamp | John W. Blackmore | 1992-04-21 |
| 5084654 | Starting aid for an electrodeless high intensity discharge lamp | Victor D. Roberts | 1992-01-28 |
| 5084801 | Liquid crystal variable capacitor and high intensity discharge lamp ballast employing same | Christopher P. Yakymyshyn | 1992-01-28 |
| 5075600 | Piezoelectrically actuated variable capacitor | Joseph C. Borowiec | 1991-12-24 |
| 5075839 | Inductor shunt, output voltage regulation system for a power supply | Rayette Ann Fisher | 1991-12-24 |
| 5063332 | Feedback control system for a high-efficiency class-D power amplifier circuit | Joseph C. Borowiec | 1991-11-05 |
| 5059868 | Starting circuit for an electrodeless high intensity discharge lamp | Robert J. Thomas | 1991-10-22 |
| 5047692 | Integrated tuning capacitor network and heat sink for an electrodeless high intensity discharge lamp ballast | Joseph C. Borowiec | 1991-09-10 |
| 5047693 | Starting aid for an electrodeless high intensity discharge lamp | Victor D. Roberts, Robert J. Thomas | 1991-09-10 |
| 5043859 | Half bridge device package, packaged devices and circuits | Charles Steven Korman, Alexander J. Yerman, Constantine A. Neugebauer | 1991-08-27 |
| 5030889 | Lamp ballast configuration | Robert J. Thomas, Joseph C. Borowiec | 1991-07-09 |
| 5023566 | Driver for a high efficiency, high frequency Class-D power amplifier | George Jernakoff | 1991-06-11 |
| 5012161 | Power factor correction circuit | Joseph C. Borowiec | 1991-04-30 |
| 4910439 | Luminaire configuration for electrodeless high intensity discharge lamp | John M. Anderson | 1990-03-20 |
| 4902942 | Controlled leakage transformer for fluorescent lamp ballast including integral ballasting inductor | — | 1990-02-20 |
| 4872741 | Electrodeless panel discharge lamp liquid crystal display | James T. Dakin | 1989-10-10 |