Issued Patents 2002
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6489731 | Power supply and/or ballast system controlled by desired load power spectrum | David A. Cammack | 2002-12-03 |
| 6483252 | Optimal FM for HF operation of high intensity discharge (HID) lamps | — | 2002-11-19 |
| 6441558 | White LED luminary light control system | Subramanian Muthu, Chin Chang | 2002-08-27 |
| 6407935 | High frequency electronic ballast with reactive power compensation | Chin Chang | 2002-06-18 |
| 6400584 | Two stage switching power supply for connecting an AC power source to a load | Juan Antonio Sabate | 2002-06-04 |
| 6373725 | Reconfigurable converter for multiple-level input-line voltages | Chin Chang, Adan F. Hernandez | 2002-04-16 |
| 6369525 | White light-emitting-diode lamp driver based on multiple output converter with output current mode control | Chin-Ho Chang, Subramanian Muthu | 2002-04-09 |
| 6353295 | Lamp electronic ballast with a piezoelectric cooling fan | Shri Sridhar, Vivek Mehrotra, Juan Antonio Sabate, Nicolaas Bernardus Roozen | 2002-03-05 |
| 6339314 | Battery charger circuit with low standby power dissipation | — | 2002-01-15 |