Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9252900 | Universal synchronization engine based on probabilistic methods for guarantee of lock in multiformat audio systems | — | 2016-02-02 |
| 9240610 | Rechargeable battery with reduced magnetic leak | Larry Hawker, George Mankaruse | 2016-01-19 |
| 9235294 | Phase sensitive low power digital ultrasonic microphone | — | 2016-01-12 |
| 9143863 | Apparatus, systems and methods for inaudibly identifying an audio accessory using spectral shaping | Yong Zhang | 2015-09-22 |
| 9111438 | Apparatus, systems and methods for low power detection of messages from an audio accessory | John Douglas McGinn | 2015-08-18 |
| 9032131 | Systems and methods for encoding control messages in an audio bitstream | — | 2015-05-12 |
| 8995672 | System and method for microphone polarity detection | Mohamad El-Hage | 2015-03-31 |
| 8976981 | Circuit, system and method for isolating a transducer from an amplifier in an electronic device | Mohamad El-Hage | 2015-03-10 |
| 8958573 | Apparatus, systems and methods for controlling an electronic device using an accessory | John Douglas McGinn | 2015-02-17 |
| 8948685 | Mobile wireless communications device using wired headset as an antenna and related methods | George Mankaruse, George Shaker, Nagula Tharma Sangary, Perry Jarmuszewski | 2015-02-03 |
| 8917883 | Electronic device and audio accessory having a plurality of passive switches for controlling the audio device | Cyril Martin, Mohamad El-Hage | 2014-12-23 |
| 8848932 | Proximity sensing for user detection and automatic volume regulation with sensor interruption override | Mohamad El-Hage, Antanas Matthew Broga | 2014-09-30 |
| 8848947 | Low-noise microphone pre-amplifier with active load element | — | 2014-09-30 |
| 8825497 | Systems and methods for reducing audio disturbance associated with control messages in a bitstream | — | 2014-09-02 |
| 8775707 | Single wire bus system | — | 2014-07-08 |
| 8750537 | Differential microphone circuit | — | 2014-06-10 |
| 8744094 | Electronic device with increased immunity to audio noise from system ground currents | Yong Zhang | 2014-06-03 |
| 8675895 | Microphone assembly with integrated self-test circuitry | Per Flemming Høvesten, Gino Rocca | 2014-03-18 |
| 8666095 | Fast precision charge pump | Tomasz Hanzlik | 2014-03-04 |
| 8036401 | Calibrated microelectromechanical microphone | Carsten Fallesen, Lars Stenberg, Jozef Johannes Gerardus Bosch | 2011-10-11 |
| 7630504 | Microphone comprising integral multi-level quantizer and single-bit conversion means | — | 2009-12-08 |
| 7548626 | Detection and control of diaphragm collapse in condenser microphones | Lars Stenberg, Aart Zeger van Halteren | 2009-06-16 |
| 7336794 | High efficiency driver for miniature loudspeakers | Claus Erdmann Fürst, Lars Stenberg, Henrik Thomsen | 2008-02-26 |
| 7292876 | Digital system bus for use in low power instruments such as hearing aids and listening devices | Jozef Johannes Gerardus Bosch, Paulus Spaanderman, Mohammad Shajaan | 2007-11-06 |