| 9863208 |
Isolation barrier |
David Glen Martin, Davidson Harman, Cameron Hill Radtke, William Luke McElligott |
2018-01-09 |
| 9708879 |
Isolation barrier |
Daniel O'Brien |
2017-07-18 |
| 9011566 |
Filter cartridge apparatus |
Indal Looknauth, Gord Heyting |
2015-04-21 |
| 7321210 |
Sensorless brushless direct current motor drive using pulse width modulation speed control at motor frequency |
— |
2008-01-22 |
| 6627961 |
Hybrid IGBT and MOSFET for zero current at zero voltage |
Richard Francis, Ranadeep Dutta, Chiu Ng |
2003-09-30 |
| 6002213 |
MOS gate driver circuit with analog input and variable dead time band |
— |
1999-12-14 |
| 5932974 |
Ballast circuit with lamp removal protection and soft starting |
— |
1999-08-03 |
| 5805433 |
Small offline power supply |
— |
1998-09-08 |
| 5796215 |
Soft start circuit for self-oscillating drivers |
John Parry |
1998-08-18 |
| 5757141 |
MOSgate driver for ballast circuits |
— |
1998-05-26 |
| 5747943 |
MOS gate driver integrated circuit for ballast circuits |
Talbott M. Houk |
1998-05-05 |
| 5612597 |
Oscillating driver circuit with power factor correction, electronic lamp ballast employing same and driver method |
— |
1997-03-18 |
| 5559394 |
MOS gate driver for ballast circuits |
— |
1996-09-24 |
| 5545955 |
MOS gate driver for ballast circuits |
— |
1996-08-13 |
| 5387847 |
Passive power factor ballast circuit for the gas discharge lamps |
— |
1995-02-07 |
| 4775800 |
Power-supply apparatus |
— |
1988-10-04 |
| 4757435 |
Static-controlled current-source AC/DC power converter and DC/AC power converter, and protection system embodying the same |
Laszlo Gyugyi |
1988-07-12 |
| 4750098 |
Unrestricted frequency changer with current source output |
Theodore M. Heinrich, Andress Kernick |
1988-06-07 |
| 4603551 |
Wave power converter |
— |
1986-08-05 |
| 4511815 |
Transformer-isolated power MOSFET driver circuit |
— |
1985-04-16 |
| 4472641 |
Power supply apparatus |
David E. Dickey |
1984-09-18 |
| 4463400 |
DC Static switch with phase commutation |
Derek A. Paice |
1984-07-31 |
| 4348631 |
Static VAR generator |
Laszlo Gyugyi |
1982-09-07 |
| 4234843 |
Static VAR generator with discrete capacitive current levels |
Laszlo Gyugyi |
1980-11-18 |