Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10477312 | Earphone with active suppression of ambient noise | Michael Perkmann, Hannes Lehdorfer | 2019-11-12 |
| 8170260 | System for determining the position of sound sources | Friedrich Reining | 2012-05-01 |
| 7873176 | Electrostatic microphone | Gino Pavlovic | 2011-01-18 |
| 7245738 | Electroacoustic transducer with small dimensions | — | 2007-07-17 |
| 6885751 | Pressure-gradient microphone capsule | — | 2005-04-26 |
| 6845167 | Contacting arrangement for an electroacoustic microphone transducer | — | 2005-01-18 |
| 6668066 | Electroacoustic transducer with small dimensions | — | 2003-12-23 |
| 6351543 | Micro-microphone | Hugo Lenhard-Backhaus | 2002-02-26 |
| 4790021 | Electrostatic transducer | — | 1988-12-06 |
| 4508192 | Microphone diaphragm | Werner Fidi, Konrad Wolf | 1985-04-02 |
| 4367544 | Electromagnetic transducers for converting mechanically acoustic events into alternating voltages | Werner Fidi | 1983-01-04 |