| Patent No. | Patent Title: |
| 5955874 | Supply voltage-independent reference voltage circuit |
| 5668467 | Current regulator having start-up circuitry which is turned off a... |
| 5619126 | Circuit arrangement for automatically decreasing the load current |
| 5598094 | Current mirror |
| 5592369 | Device in a d.c. circuit for transfer of a current from one curre... |
| 5587892 | Multi-phase power converter with harmonic neutralization |
| 5586016 | Circuit for quickly energizing electronic ballast |
| 5583413 | Power conversion equipment monitor/controller method and apparatu... |
| 5581173 | Microcontroller-based tap changer controller employing half-wave ... |
| 5581451 | Circuit for improving the power efficiency of an AC/DC converter |
| 5581454 | High power switched capacitor voltage conversion and regulation a... |
| 5576940 | Front-end power converter for distributed power systems |
| 5574635 | AC-DC converter comprising a filtering device |
| 5569998 | Solar powered pumping system |
| 5568040 | Charging arrangement for the time-controlled charging of at least... |
| 5568372 | Circuit for detecting negative output rails |
| 5563775 | Full bridge phase displaced resonant transition circuit for obtai... |
| 5559664 | Electromechanical relay system |
| 5559689 | Harmonic content determination apparatus |
| 5557188 | Smart battery system and interface |
| 5554918 | Mechanically-rehargeable battery |
| 5554925 | Pulse duration modulator and pulse duration modulation type switc... |
| 5550411 | Downhole instrument power supply system using shunt voltage regul... |
| 5550459 | Tap position determination based on regular impedance characteris... |
| 5543667 | Load control for partially increasing/decreasing power usage |
| 5543705 | Voltage regulating circuit and PTC element for automotive vehicle... |
| 5543665 | Optical key and lock code authentication |
| 5541805 | Time delay control switch for vertical deflection in television r... |
| 5539296 | Method and system of charging a propulsion battery of an electric... |
| 5535112 | DC/DC conversion circuit |
| 5532528 | Converter including direct current detection |
| 5532575 | Multilevel converter with capacitor voltage balancing |
| 5532526 | Control circuit for predominantly inductive loads in particular ... |
| 5530339 | Output current driver with an adaptive current source |
| 5530300 | Extended range wired remote control circuit |
| 5528087 | Power supply apparatus for efficient power conservation of a batt... |
| 5523633 | Corrosion preventing circuit for switch |
| 5523940 | Feedback control circuit for a synchronous rectifier having zero ... |
| 5521811 | High efficiency AC to DC power conversion system |
| 5519306 | Constant voltage circuit and a stabilized power supply unit |