Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9769583 | Vibration membrane assembly for speaker, speaker and method for producing the assembly | Gary Hsieh, Christian Lembacher, Armin Timmerer, Bernhard Seiwald, Peter Fischer | 2017-09-19 |
| 8892174 | Loudspeaker | Mathias Weber | 2014-11-18 |
| 8628830 | Method of and device for modifying the properties of a membrane for an electroacoustic transducer | Stefan Amon | 2014-01-14 |
| 8437496 | Membrane for an acoustic device and acoustic device | — | 2013-05-07 |
| 8284964 | Compound membrane, method of manufacturing the same, and acoustic device | Susanne Windischberger, Josef Lutz | 2012-10-09 |
| 7895727 | Method for manufacturing an electroacoustical transducer comprising a membrane configuration | — | 2011-03-01 |
| 7644801 | Membrane with a high resistance against buckling and/or crinkling | Erich Klein, Susanne Windischberger | 2010-01-12 |
| 7416047 | Diaphragm for a loudspeaker with a moving coil | Helmut Wasinger | 2008-08-26 |
| 7306073 | Electroacoustic transducer comprising a membrane with a middle area comprising stiffening grooves | — | 2007-12-11 |
| 7043046 | Method for manufacturing an electroacoustical transducer comprising a membrane configuration | — | 2006-05-09 |
| 6831989 | Electroacoustic transducer having a moving coil and having movable holding elements for the connecting leads of the moving coil | Erich Klein | 2004-12-14 |
| 6799361 | Method for manufacturing an electroacoustical transducer comprising a membrane configuration | — | 2004-10-05 |
| 6697496 | Electroacoustic transducer comprising a membrane with an improved pleats area | — | 2004-02-24 |
| 6526152 | Electroacoustic transducer having a moving coil and elastic holding elements for the connecting leads of the moving coil | — | 2003-02-25 |
| 6510232 | Electroacoustic transducer having diaphragm with coil mounting projections and interposed stabilizing walls | — | 2003-01-21 |
| 6370257 | Apparatus including an electroacoustic transducer having terminal contacts which extend in the direction of the transducer axis and including a printed circuit board having mating contacts | Peter Bleim, Erich Klein, Ernst Ruberl | 2002-04-09 |
| 6178252 | Electroacoustic transducer comprising a diaphragm having through portions for mounting a voice coil | Erich Klein | 2001-01-23 |
| 6075866 | Electroacoustic transducer having axially extending corrugated supporting means for the diaphragm | Erich Klein | 2000-06-13 |
| 6072886 | Electroacoustic transducer comprising spring contacts formed with at least one bend | Erich Klein, Ernst Ruberl | 2000-06-06 |
| 6038327 | Electroacoustic transducer comprising a closing member for closing the rear volume of the transducer | Peter Bleim, Erich Klein, Ernst Ruberl | 2000-03-14 |
| 5727077 | Electroacoustic transducer comprising a closing member | — | 1998-03-10 |
| 5303209 | Electroacoustic transducer having a partition wall and a mask wall | — | 1994-04-12 |