Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6246214 | Multiple use of a single transistor for linear regulation charge control and protection of a rechargeable battery | — | 2001-06-12 |
| 6151231 | Circuit and method for reactive energy recirculation control in a series-resonant converter | Roland Sylvere Saint-Pierre, Ashok Patil | 2000-11-21 |
| 6127804 | Lithium ion charging means and method using ionic relaxation control | Michael D. Geren, John E. Herrmann | 2000-10-03 |
| 6100664 | Sub-miniature high efficiency battery charger exploiting leakage inductance of wall transformer power supply, and method therefor | Michael D. Geren | 2000-08-08 |
| 6091229 | Sub-miniature high efficiency battery charger system and method | Michael D. Geren | 2000-07-18 |
| 6054843 | High speed battery charging system with high accuracy voltage sensing | Michael D. Geren, Joseph Patino | 2000-04-25 |
| 5969515 | Apparatus and method for digital control of a power converter current | — | 1999-10-19 |
| 5940282 | Dual range power supply and adapter for use with same | — | 1999-08-17 |
| 5767657 | Battery charger having a battery discharge prevention circuit | — | 1998-06-16 |
| 5754027 | Battery pack and associated charging system | Robert W. McGinnis | 1998-05-19 |
| 5724236 | Power converter transformer having an auxilliary winding and electrostatic shield to suppress noise | — | 1998-03-03 |
| 5694025 | Battery charger with control circuit | Michael D. Geren | 1997-12-02 |
| 5592065 | Battery charger having battery temperature measurement probe | William C. Bohne, Robert W. McGinnis | 1997-01-07 |