Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10356521 | Loudspeaker protection | Roberto Napoli, Roger David Serwy, Jie Su, Stefan Williams, Rong Hu +1 more | 2019-07-16 |
| 10356522 | Loudspeaker protection | Roberto Napoli, Roger David Serwy, Jie Su, Stefan Williams, Rong Hu +1 more | 2019-07-16 |
| 10341767 | Speaker protection excursion oversight | Roberto Napoli, Rong Hu | 2019-07-02 |
| 10231050 | Method for limiting amplifier input current to avoid low voltage conditions | Roger David Serwy, Firas Azrai, Jeffrey May | 2019-03-12 |
| 10212514 | Method for limiting amplifier input current to avoid low voltage conditions | Roger David Serwy, Firas Azrai, Jeffrey May, Jie Su | 2019-02-19 |
| 10206038 | Loudspeaker protection | Roger David Serwy, Roberto Napoli | 2019-02-12 |
| 9942657 | Loudspeaker protection | Roger David Serwy, Roberto Napoli | 2018-04-10 |
| 9794687 | Loudspeaker protection circuitry and methods | Roberto Napoli | 2017-10-17 |
| 9523947 | Time-based commutation method and system for controlling a fuser assembly | David Ross Cutts, Aaron M. Lambert, Kevin Dean Schoedinger, Ryan M. Smith, Christopher L. Yaeger | 2016-12-20 |
| 9093941 | Determining commutation position for a sensorless permanent magnet brushless motor at low or zero speed using an asymmetric drive pattern | Marc J. Kobayashi, Stephen James Sanchez, John L. Melanson, Miroslav Olijaca | 2015-07-28 |
| 9024561 | Method and system for switching between different types of operation of a sensorless permanent magnet brushless motor at low or zero speed to determine rotor position | Marc J. Kobayashi, John L. Melanson, Miroslav Olijaca | 2015-05-05 |
| 8994306 | System and method for isolating the undriven voltage of a permanent magnet brushless motor for detection of rotor position | Marc J. Kobayashi, Stephen James Sanchez, John L. Melanson, Miroslav Olijaca | 2015-03-31 |