Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7521630 | Parallel and virtual parallel interconnection of solar cells in solar panels | — | 2009-04-21 |
| 7449841 | Charge limited high voltage switch circuits | — | 2008-11-11 |
| 7391242 | Sawtooth waveform generator | — | 2008-06-24 |
| 7388413 | Ramp generator with fast reset | — | 2008-06-17 |
| 7279851 | Systems and methods for fault protection in a balancing transformer | — | 2007-10-09 |
| 7265499 | Current-mode direct-drive inverter | — | 2007-09-04 |
| 7250726 | Systems and methods for a transformer configuration with a tree topology for current balancing in gas discharge lamps | — | 2007-07-31 |
| 7239087 | Method and apparatus to drive LED arrays using time sharing technique | — | 2007-07-03 |
| 7187140 | Lamp current control using profile synthesizer | — | 2007-03-06 |
| 7183724 | Inverter with two switching stages for driving lamp | — | 2007-02-27 |
| 7173382 | Nested balancing topology for balancing current among multiple lamps | — | 2007-02-06 |
| 7173380 | Push-pull driver with null-short feature | — | 2007-02-06 |
| 7173379 | Incremental distributed driver | — | 2007-02-06 |
| 7141933 | Systems and methods for a transformer configuration for driving multiple gas discharge tubes in parallel | — | 2006-11-28 |
| 7061183 | Zigzag topology for balancing current among paralleled gas discharge lamps | — | 2006-06-13 |
| 6930582 | Self lead foil winding configuration for transformers and inductors | — | 2005-08-16 |
| 6642830 | Self lead foil winding configuration for transformers and inductors | — | 2003-11-04 |
| 5109185 | Phase-controlled reversible power converter presenting a controllable counter emf to a source of an impressed voltage | — | 1992-04-28 |
| 5029064 | Phase-controlled reversible power conversion with equal duty cycle substantially constant amplitude square wave excitation of the power transformer | — | 1991-07-02 |
| 4629964 | Battery power source | — | 1986-12-16 |
| 4595872 | Computer-attached uninterruptable DC power supply | — | 1986-06-17 |