Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6865094 | Circuit for AC adapter to reduce power drawn from an AC power source | Randhir S. Malik, Diep N. Ho | 2005-03-08 |
| 6850396 | Fail safe circuit with reset capability for a power supply | Raymond M. Clemo, Eino A. Lindfors, Randhir S. Malik | 2005-02-01 |
| 6747424 | Integrated fan speed control and fault detection circuitry | Randhir S. Malik | 2004-06-08 |
| 6697955 | Method and apparatus for using an energy reserve to provide voltage to a power factor correction circuit in the event of a power interuption | Randhir S. Malik | 2004-02-24 |
| 6621180 | Method and system for maintaining full power during a power interruption in a multiple power supply system | Cecil C. Dishman, Eino A. Lindfors, Randhir S. Malik | 2003-09-16 |
| 6621718 | Resonant converter circuit | Randhir S. Malik | 2003-09-16 |
| 6615146 | Failure detection of an isolation device with PFA signal generation in a redundant power supply system | Randhir S. Malik, Eino A. Lindfors | 2003-09-02 |
| 6522190 | High efficiency multiple input voltage sources power supply | Randhir S. Malik, Trung M. Nguyen | 2003-02-18 |
| 6487095 | Multiphase zero-volt-switching resonant DC-DC regulator | Randhir S. Malik, Thai Quoc Ngo, Scott D. Strand | 2002-11-26 |
| 6487098 | Power factor correction (PFC) circuit that eliminates an inrush current limit circuit | Randhir S. Malik | 2002-11-26 |
| 6459603 | Adapter circuit for selectively doubling input voltage depending upon connector type | Randhir S. Malik | 2002-10-01 |
| 6448744 | Power factor correction circuit | Randhir S. Malik | 2002-09-10 |
| 6445165 | Circuit for limiting inrush current to a power source | Randhir S. Malik | 2002-09-03 |
| 6442052 | High efficiency power converter with fast transient response | Thai Quoc Ngo, Scott D. Strand | 2002-08-27 |
| 6434026 | Multiple output power supply circuit | Randhir S. Malik | 2002-08-13 |
| 6400582 | Dual forward power converter utilizing coupling capacitors for improved efficiency | Thai Quoc Ngo, Scott D. Strand | 2002-06-04 |
| 6320771 | Fault tolerant active current sharing | Randhir S. Malik | 2001-11-20 |
| 6297970 | Multiple output synchronous rectifier circuit providing zero volt switch mode operation | Randhir S. Malik | 2001-10-02 |
| 6249411 | Over-voltage protection circuit and method for preventing system shutdown in a power system employing multiple power supplies | Randhir S. Malik | 2001-06-19 |
| 6188588 | Switching controller and method for operating a flyback converter in a critically continuous conduction mode | Randhir S. Malik | 2001-02-13 |
| 6181114 | Boost circuit which includes an additional winding for providing an auxiliary output voltage | Randhir S. Malik | 2001-01-30 |
| 6160724 | Boost doubler circuit wherein an AC bridge rectifier is not required | Randhir S. Malik | 2000-12-12 |
| 6160386 | Parallel power system which includes over voltage protection | Randhir S. Malik | 2000-12-12 |
| 6157555 | Current limiter responsive to changing parallel power supply capacity | Randhir S. Malik | 2000-12-05 |
| 6081752 | Computer system having power supply primary sense to facilitate performance of tasks at power off | Paul H. Benson, Duane Thomas Crump, deceased, Duane Edward Norris, Steven T. Pancoast | 2000-06-27 |