Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7353122 | Power converters with limited operation to conserve power and with adjustments that overcome ringing | Milton Ribeiro | 2008-04-01 |
| 7279995 | Circuit for controlling the time duration of a signal | John Carl Thomas | 2007-10-09 |
| 7248027 | Power converters in which the input power coupling times are adjusted in conjunction with cycle skip counts | Milton Ribeiro | 2007-07-24 |
| 7221130 | Switching power converter employing pulse frequency modulation control | Milton Ribeiro | 2007-05-22 |
| 7157889 | Sample and hold system for controlling a plurality of pulse-width-modulated switching power converters | Elias Lozano, John Carl Thomas | 2007-01-02 |
| 7095220 | Method of controlling an operation of a switch power converter | — | 2006-08-22 |
| 7092265 | Switching power converter controller | — | 2006-08-15 |
| 7019506 | Charge-based switching power converter controller | — | 2006-03-28 |
| 7002328 | Switching power converter method | John Carl Thomas | 2006-02-21 |
| 6979987 | METHOD OF REGULATING AN OUTPUT VOLTAGE OF A POWER CONVERTER BY SENSING THE OUTPUT VOLTAGE DURING A FIRST TIME INTERVAL AND CALCULATING A NEXT CURRENT VALUE IN AN INDUCTOR SUFFICIENT TO BRING THE OUTPUT VOLTAGE TO A TARGET VOLTAGE WITHIN A SECOND TIME INTERVAL IMMEDIATELY FOLLOWING THE FIRST TIME INTERVAL AND VARYING A DUTY CYCLE OF A SWITCH DURING THE SECOND TIME INTERVAL | David F. Fraser, Jack Roan | 2005-12-27 |
| 6975525 | Method of controlling the operation of a power converter having first and second series connected transistors | — | 2005-12-13 |
| 6965220 | System for controlling a plurality of pulse-width-modulated switching power converters | Elias Lozano, John Carl Thomas | 2005-11-15 |
| 6961015 | Touch screen display circuit and voltage measurement circuit | John Carl Thomas | 2005-11-01 |
| 6946753 | Switching power converter controller with watchdog timer | Mark J. Nohr | 2005-09-20 |
| 6917188 | Power converter circuitry and method | — | 2005-07-12 |
| 6911809 | Switching power supply controller | — | 2005-06-28 |
| 6912139 | Multi-channel control methods for switched power converters | John Carl Thomas | 2005-06-28 |
| 6909266 | METHOD OF REGULATING AN OUTPUT VOLTAGE OF A POWER CONVERTER BY CALCULATING A CURRENT VALUE TO BE APPLIED TO AN INDUCTOR DURING A TIME INTERVAL IMMEDIATELY FOLLOWING A VOLTAGE SENSING TIME INTERVAL AND VARYING A DUTY CYCLE OF A SWITCH DURING THE TIME INTERVAL FOLLOWING THE VOLTAGE SENSING TIME INTERVAL | David F. Fraser, Jack Roan | 2005-06-21 |
| 6906500 | Method of operating a switching power converter | — | 2005-06-14 |
| 6906502 | Method for regulating an output voltage of a power coverter | David F. Fraser, Jack Roan | 2005-06-14 |
| 6897683 | Driver including first and second buffers for driving an external coil or first and second transistors | Elias Lozano, Daniel W. Yoder | 2005-05-24 |
| 6894463 | Switching power converter controller configured to provide load shedding | — | 2005-05-17 |
| 6891355 | Method for computing an amount of energy taken from a battery | — | 2005-05-10 |
| 6885568 | Ripple free measurement and control methods for switched power converters | Elias Lozano, John Carl Thomas | 2005-04-26 |
| 6864644 | Method of tuning a circuit for energizing a cold cathode fluorescent lamp | — | 2005-03-08 |