Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9998840 | System and method for all electrical noise testing of MEMS microphones in production | — | 2018-06-12 |
| 9930451 | Elimination of 3D parasitic effects on microphone power supply rejection | Anthony Zisko | 2018-03-27 |
| 9888325 | Doped substrate regions in MEMS microphones | Brett Mathew Diamond, John W. Zinn | 2018-02-06 |
| 9793802 | MEMS capacitive sensor biasing circuit including an integrated inductor | — | 2017-10-17 |
| 9762188 | Differential microphone with dual polarity bias | Philip Sean Stetson | 2017-09-12 |
| 9602921 | Independently charge pumps for differential microphone | Matthew A. Zeleznik | 2017-03-21 |
| 9502019 | Elimination of 3D parasitic effects on microphone power supply rejection | Anthony Zisko | 2016-11-22 |
| 9344809 | Digital acoustic low frequency response control for MEMS microphones | Philip Sean Stetson, Michael J. Daley, Davin Luther Yuknis, Joseph R. Fitzgerald | 2016-05-17 |
| 9306449 | Adjustable biasing circuits for MEMS capacitive microphones | Matthew A. Zeleznik | 2016-04-05 |
| 9124220 | Differential microphone with dual polarity bias | Philip Sean Stetson | 2015-09-01 |
| 8981535 | Charge pump capacitor assembly with silicon etching | — | 2015-03-17 |
| 8942389 | Trim method for CMOS-MEMS microphones | Sucheendran Sridharan, Philip Sean Stetson | 2015-01-27 |
| 8897465 | Class D micro-speaker | — | 2014-11-25 |
| 8811635 | Apparatus and method for driving parasitic capacitances using diffusion regions under a MEMS structure | Sucheendran Sridharan | 2014-08-19 |
| 8629011 | Epitaxial silicon CMOS-MEMS microphones and method for manufacturing | Brett Mathew Diamond, Franz Laermer, Andrew J. Doller, Michael J. Daley, Phillip Sean Stetson | 2014-01-14 |
| 8405449 | Resettable high-voltage capable high impedance biasing network for capacitive sensors | — | 2013-03-26 |
| 6822509 | Differential circuit with a linearity correction loop | — | 2004-11-23 |
| 6788146 | Capacitor compensation in miller compensated circuits | Brett Forejt | 2004-09-07 |
| 6608905 | Microphone bias current measurement circuit | Roberto Sadkowski, Martin Sallenhag, Heino Wendelrup | 2003-08-19 |
| 6556081 | Single-ended, ultra low voltage class AB power amplifier architecture having a common-mode feedback quiescent current control circuit | — | 2003-04-29 |
| 6396352 | CMOS power amplifier for driving low impedance loads | — | 2002-05-28 |
| 6346851 | Low-pass filter with improved high frequency attenuation | Zhengwei Zhang, James R. Hellums | 2002-02-12 |
| 6304135 | Tuning method for Gm/C filters with minimal area overhead and zero operational current penalty | — | 2001-10-16 |
| 6275102 | Distortion correction loop for amplifier circuits | — | 2001-08-14 |
| 6275112 | Efficient microphone bias amplifier with high output voltage/current capability and excellent PSRR | — | 2001-08-14 |