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| Number | Title | Issue Date |
| 7321664 | Receiver having an improved bobbin A receiver is disclosed for use in listening devices, such as hearing aids. The receiver comprises an electromagnetic drive assembly that includes a bobbin having a coil of conductive wire formed thereon. The bobbin is capable of compensating for the deflections on ... | 01/22/2008 |
| 7260236 | Wind noise suppression in directional microphones A directional microphone includes a housing, a diaphragm dividing the housing into a front volume and a back volume, electronics for detecting signals corresponding to movements of the diaphragm, and front and back inlets for the front and back volumes, respectively... | 08/21/2007 |
| 7149317 | CMOS high impedance circuit A high impedance circuit includes a diode-connected MOSFET circuit. This circuit may be used in a buffer amplifier of a hearing aid microphone, coupled across an input of the buffer amplifier and providing a high input impedance. ... | 12/12/2006 |
| 7110565 | Electroacoustic transducer with a diaphragm, and method for fixing a diaphragm in such transducer An electroacoustic transducer employing a polymer connection for maximizing volume displacement. The transducer includes a diaphragm in a case and means for converting. The diaphragm includes a central portion. The means for converting converts between an electric s... | 09/19/2006 |
| 7065224 | Microphone for a hearing aid or listening device with improved internal damping and foreign material protection A microphone and method for dampening the frequency response of the microphone by disposing a dampening frame in a rear volume of the microphone. The microphone generally includes a housing, a diaphragm, a damping frame, and a backplate. The diaphragm rests on embos... | 06/20/2006 |
| 6950529 | System consisting of a microphone and an amplifier Microphone/amplifier system in which the microphone comprises a case with an inlet opening, a diaphragm and a backplate, and the amplifier is arranged in the case and is coupled to the diaphragm/backplate system. In the case, the diaphragm forms a first partition be... | 09/27/2005 |
| 6937735 | Microphone for a listening device having a reduced humidity coefficient A microphone is constructed to be more tolerant to a wide range of relative humidity conditions without adversely affecting the performance of the microphone. The microphone includes a housing with a sound port for receiving sound and an electret assembly for conver... | 08/30/2005 |
| 6909613 | Assembly comprising an electrical element The present invention relates to an assembly comprising an electrical element, such as a coil, and especially to an assembly more easily assembled. Assemblies of this type are used for receivers for hearing aids or sound generators for e.g. mobile telephones. ... | 06/21/2005 |
| 6823073 | Directional microphone assembly The present invention relates to a directional microphone assembly comprising a front and a rear microphone for compact communication devices, such as hearing aids, mobile phones etc. The present invention integrates most or all electronic processing circuits requir... | 11/23/2004 |
