|
| US4456795 | 27 janv. 1982 | 26 juin 1984 | Rion Kabushiki Kaisha | Behind-the-ear type hearing aid |
| US4622440 | 11 avr. 1984 | 11 nov. 1986 | In Tech Systems Corp. | Differential hearing aid with programmable frequency response |
| US4920570 | 18 déc. 1987 | 24 avr. 1990 | | Modular assistive listening system |
| US5757933 | 11 déc. 1996 | 26 mai 1998 | Micro Ear Technology, Inc. | In-the-ear hearing aid with directional microphone system |
| US6101258 | 21 oct. 1997 | 8 août 2000 | Etymotic Research, Inc. | Hearing aid having plural microphones and a microphone switching system |
| US6327370 | 24 juil. 2000 | 4 déc. 2001 | Etymotic Research, Inc. | Hearing aid having plural microphones and a microphone switching system |
| US6389142 | 31 mars 1998 | 14 mai 2002 | Micro Ear Technology | In-the-ear hearing aid with directional microphone system |
| US6798890 | 5 oct. 2001 | 28 sept. 2004 | Etymotic Research, Inc. | Directional microphone assembly |
| US6813363 | 1 juil. 2002 | 2 nov. 2004 | Phonak AG | Procedure for setting a hearing aid, and hearing aid |
| US6876749 | 11 juil. 2000 | 5 avr. 2005 | Etymotic Research, Inc. | Microphone for hearing aid and communications applications having switchable polar and frequency response characteristics |
| US7103191 | 2 oct. 2001 | 5 sept. 2006 | Etymotic Research, Inc. | Hearing aid having second order directional response |
| US7233679 | 30 sept. 2003 | 19 juin 2007 | Motorola, Inc. | Microphone system for a communication device |
| US7245728 | 5 avr. 2005 | 17 juil. 2007 | Etymotic Research, Inc. | Microphone for hearing aid and communications applications having switchable polar and frequency response characteristics |
| US7286677 | 12 juil. 2004 | 23 oct. 2007 | Etymotic Research, Inc. | Directional microphone assembly |
| US7346176 | 11 mai 2001 | 18 mars 2008 | Plantronics, Inc. | Auto-adjust noise canceling microphone with position sensor |
| US7369669 | 15 mai 2002 | 6 mai 2008 | Micro Ear Technology, Inc. | Diotic presentation of second-order gradient directional hearing aid signals |
| US7558396 | 15 sept. 2006 | 7 juil. 2009 | Fortemedia, Inc. | Microphone module at corner or edge of electronic device |
| US7561700 | 11 mai 2001 | 14 juil. 2009 | Plantronics, Inc. | Auto-adjust noise canceling microphone with position sensor |
| US7590253 | 25 oct. 2006 | 15 sept. 2009 | Etymotic Research, Inc. | Hearing aid having switchable first and second order directional responses |
| US7822217 | 5 mai 2008 | 26 oct. 2010 | Micro Ear Technology, Inc. | Hearing assistance systems for providing second-order gradient directional signals |
| US7832080 | 11 oct. 2007 | 16 nov. 2010 | Etymotic Research, Inc. | Directional microphone assembly |
| US7856113 | 19 mai 2006 | 21 déc. 2010 | Fortemedia, Inc. | Multi-microphone capsule |
| US7881486 | 5 mai 2000 | 1 févr. 2011 | Etymotic Research, Inc. | Directional microphone assembly |
| US7925034 | 20 oct. 2009 | 12 avr. 2011 | Phonak AG | Method for operating a hearing device as well as a hearing device |
| US7953241 | 29 juin 2001 | 31 mai 2011 | Sonion Nederland B.V. | Microphone assembly |
| US8041066 | 3 janv. 2007 | 18 oct. 2011 | Starkey Laboratories, Inc. | Wireless system for hearing communication devices providing wireless stereo reception modes |
| US8208642 | 10 juil. 2006 | 26 juin 2012 | Starkey Laboratories, Inc. | Method and apparatus for a binaural hearing assistance system using monaural audio signals |