Issued Patents All Time
Showing 25 most recent of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10412479 | Headset management by microphone terminal characteristic detection | Xin Zhao, Bradley Allan LAMBERT, Xiaofan Fei | 2019-09-10 |
| 10257272 | Randomized peer-to-peer synchronization of shared content items | — | 2019-04-09 |
| 10225652 | Systems and methods for using a speaker as a microphone | John L. Melanson | 2019-03-05 |
| 10225653 | Systems and methods for using a piezoelectric speaker as a microphone in a mobile device | John L. Melanson | 2019-03-05 |
| 10116215 | Buck-boost converter for an audio amplifier with multiple operations modes | John L. Melanson, John C. Tucker, Eric J. King | 2018-10-30 |
| 10021184 | Randomized peer-to-peer synchronization of shared content items | — | 2018-07-10 |
| 9788094 | Wireless earpiece with local audio cache | — | 2017-10-10 |
| 9628909 | Systems and methods for using a speaker as a microphone | John L. Melanson | 2017-04-18 |
| 9510078 | Wireless earpiece with local audio cache | — | 2016-11-29 |
| 9479578 | Randomized peer-to-peer synchronization of shared content items | — | 2016-10-25 |
| 9467778 | Beamforming a digital microphone array on a common platform | Ed Schneider | 2016-10-11 |
| 9467777 | Interface for a digital microphone array | Ed Schneider | 2016-10-11 |
| 9407991 | Systems and methods for using a speaker as a microphone in a mobile device | John L. Melanson | 2016-08-02 |
| 9329614 | Bandgap with thermal drift correction | Prashanth Drakshapalli, John L. Melanson, Rod Holley, Thirumalai Rengachari, Ruoxin Jiang | 2016-05-03 |
| 9215532 | Systems and methods for using a speaker as a microphone in a mobile device | John L. Melanson | 2015-12-15 |
| 9210493 | Wireless earpiece with local audio cache | — | 2015-12-08 |
| 9008344 | Systems and methods for using a speaker as a microphone in a mobile device | John L. Melanson | 2015-04-14 |
| 8525710 | Audio amplifier offset reduction using digital input/output comparisons | Robin M. Tsang, John L. Melanson, John C. Tucker | 2013-09-03 |
| 8093951 | Pulse-width modulated (PWM) audio power amplifier having output signal magnitude controlled pulse voltage and switching frequency | Lingli Zhang, Dan Shen, Johann G. Gaboriau | 2012-01-10 |
| 8008975 | Gate-boosted, variable voltage supply rail amplifier | Daniel J. Allen, Scott Allan Woodford | 2011-08-30 |
| 7808324 | Operating environment and process position selected charge-pump operating mode in an audio power amplifier integrated circuit | Scott Allan Woodford, Daniel J. Allen | 2010-10-05 |
| 7746257 | Delta-sigma analog-to-digital converter circuit having reduced sampled reference noise | Edmund M. Schneider, John L. Melanson | 2010-06-29 |
| 6977607 | SAR with partial capacitor sampling to reduce parasitic capacitance | Ka Y. Leung | 2005-12-20 |
| 6950840 | Noise invariant circuits, systems and methods | Edwin De Angel | 2005-09-27 |
| 6931513 | Data converter with statistical domain output | — | 2005-08-16 |