Issued Patents All Time
Showing 151–175 of 206 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6879498 | Switched mode power supply responsive to current derived from voltage across energy transfer element input | David Michael Hugh Matthews | 2005-04-12 |
| 6876181 | Off-line converter with digital control | Alex B. Djenguerian, Leif Lund | 2005-04-05 |
| 6833692 | Method and apparatus for maintaining an approximate constant current output characteristic in a switched mode power supply | Alex B. Djenguerian, Kent Wong, David Michael Hugh Matthews, Erdem Bircan | 2004-12-21 |
| 6813168 | Method and apparatus for providing input EMI filtering in power supplies | — | 2004-11-02 |
| 6795321 | Method and apparatus for sensing current and voltage in circuits with voltage across an LED | Arthur B. Odell | 2004-09-21 |
| 6788514 | Method and apparatus for fault condition protection of a switched mode power supply | — | 2004-09-07 |
| 6784646 | Method and apparatus for reducing audio noise in a switching regulator | Alex B. Djenguerian, Kent Wong | 2004-08-31 |
| 6781357 | Method and apparatus for maintaining a constant load current with line voltage in a switch mode power supply | Alex B. Djenguerian, Kent Wong, David Michael Hugh Matthews | 2004-08-24 |
| 6754089 | Switched mode power supply responsive to current derived from voltage across energy transfer element input | David Michael Hugh Matthews | 2004-06-22 |
| 6750640 | Method and apparatus providing final test and trimming for a power supply controller | Alex B. Djenguerian, Erdem Bircan | 2004-06-15 |
| 6747444 | Off-line converter with digital control | Alex B. Djenguerian, Leif Lund | 2004-06-08 |
| 6747443 | Method and apparatus for trimming current limit and frequency to maintain a constant maximum power | Alex B. Djenguerian, David Michael Hugh Matthews | 2004-06-08 |
| 6744645 | Output feedback and under-voltage detection system | Alex Dienguerian, Leif Lund | 2004-06-01 |
| 6687101 | Fault condition protection | Alex B. Djenguerian, Leif Lund | 2004-02-03 |
| 6668451 | Methods for trimming electrical parameters in an electrical circuit | — | 2003-12-30 |
| 6667605 | Method and apparatus for reducing audio noise in a switching regulator | Alex B. Djenguerian, Kent Wong | 2003-12-23 |
| 6640435 | Methods for trimming electrical parameters in an electrical circuit | — | 2003-11-04 |
| 6643153 | Method and apparatus providing a multi-function terminal for a power supply controller | Alex B. Djenguerian, Leif Lund | 2003-11-04 |
| 6608471 | Off-line converter with digital control | Alex B. Djenguerian, Leif Lund | 2003-08-19 |
| 6597586 | Switched mode power supply responsive to current derived from voltage across energy transfer element input | David Michael Hugh Matthews | 2003-07-22 |
| 6580593 | Method and apparatus for fault condition protection of a switched mode power supply | — | 2003-06-17 |
| 6580622 | Output feedback and under-voltage detection system | Alex Dienguerian, Leif Lund | 2003-06-17 |
| 6538908 | Method and apparatus providing a multi-function terminal for a power supply controller | Alex B. Djenguerian, Leif Lund | 2003-03-25 |
| 6525514 | Method and apparatus for reducing audio noise in a switching regulator | Alex B. Djenguerian, Kent Wong | 2003-02-25 |
| 6480399 | Switched mode power supply responsive to current derived from voltage across energy transfer element input | David Michael Hugh Matthews | 2002-11-12 |