| Patents for H04R 25 - Deaf-aid sets (22,418) |
|---|
| 05/04/1999 | US5899847 Implantable middle-ear hearing assist system using piezoelectric transducer film |
| 05/04/1999 | US5898972 Tool for removing debris from a hearing aid |
| 04/29/1999 | WO1999021400A1 Hearing aid comprising an array of microphones |
| 04/29/1999 | WO1999008480A3 Middle ear transducer |
| 04/28/1999 | EP0912074A1 Determination of individual sensitivity to ultrasonic signals |
| 04/28/1999 | EP0912073A2 Device for diagnosing and treating hearing disorders |
| 04/28/1999 | EP0911002A2 Apparatus for treatment of the tinnitus and hyperacusis. |
| 04/28/1999 | CN1215316A Ear tips having a plurality of ear contacting surfaces |
| 04/27/1999 | US5897486 Dual coil floating mass transducers |
| 04/24/1999 | CA2248666A1 Device for diagnosing and treating hearing disorders |
| 04/24/1999 | CA2248642A1 Apparatus and method for determining individual sensitivity to ultrasonic signals |
| 04/22/1999 | WO1999019779A1 A neurofuzzy based device for programmable hearing aids |
| 04/22/1999 | WO1999007182A3 Acoustic coupler |
| 04/22/1999 | CA2305991A1 A neurofuzzy based device for programmable hearing aids |
| 04/21/1999 | EP0910065A1 Speaking speed changing method and device |
| 04/21/1999 | EP0627155B1 Cerumen barrier for hearing instruments |
| 04/15/1999 | WO1999008476A3 Implantable hearing system having multiple transducers |
| 04/15/1999 | WO1998056106A3 Method and apparatus for improving classroom amplification systems and other rf-type amplification systems |
| 04/15/1999 | DE19747126C1 Process control method for hearing aid with digital signal processing |
| 04/15/1999 | DE19745331A1 Electronic hearing aid |
| 04/15/1999 | DE19744879A1 Single-piece in-the-ear hearing aid |
| 04/14/1999 | EP0909113A2 In-the-ear hearing aid |
| 04/08/1999 | WO1999017585A1 Public alarm apparatus and method for cochlear implants |
| 04/08/1999 | CA2304822A1 Public alarm apparatus and method for cochlear implants |
| 04/07/1999 | EP0906713A1 Calculating electrode frequency allocation in a cochlear implant |
| 04/06/1999 | US5892836 Digital hearing aid |
| 04/01/1999 | WO1999015111A1 Biasing device for implantable hearing device |
| 03/31/1999 | EP0904672A1 Anti-eavesdropping device |
| 03/31/1999 | EP0904034A1 Hearing improvement device |
| 03/30/1999 | US5889874 Hearing aid device to be worn in the ear |
| 03/25/1999 | WO1999014986A1 Hearing aid with proportional frequency compression and shifting of audio signals |
| 03/25/1999 | WO1999014985A1 High-gain, feedback-resistant cic hearing aid |
| 03/25/1999 | WO1999013699A2 Digital communication method and digital communication system |
| 03/18/1999 | WO1999013686A1 Hearing aid, ear piece, aid for its insertion into the ear and device for making a cast of the deepest part of the auditory passage |
| 03/18/1999 | WO1999013685A1 Sound-transmitting amusement device and method |
| 03/18/1999 | WO1999013682A2 Stereophonic spectacles |
| 03/18/1999 | DE19839978A1 Sound measurement transducer for semiconducting electret microphone for portable telephone |
| 03/18/1999 | DE19733728C1 Hearing aid for implementation in the outer human ear passage |
| 03/17/1999 | EP0901779A2 Device for adjusting and fixing the relative position of two elements of an active or passive hearing aid. |
| 03/17/1999 | EP0901743A1 Battery and circuitry assembly |
| 03/16/1999 | US5883927 Digital wireless telecommunication device for reduced interference with hearing aids |
| 03/16/1999 | CA2132207C Dual element headphone |
| 03/11/1999 | WO1999012388A1 Method of measuring and preventing unstable feedback in hearing aids |
| 03/11/1999 | WO1999011321A1 Cochlear electrode with modiolar-hugging system including a flexible positioner |
| 03/11/1999 | WO1998056209A3 Video-assisted apparatus for hearing impaired persons |
| 03/11/1999 | CA2302667A1 Cochlear electrode with modiolar-hugging system including a flexible positioner |
| 03/10/1999 | EP0706732A4 Short range inductively coupled communication system employing time variant modulation |
| 03/09/1999 | US5881159 Disposable hearing aid |
| 03/09/1999 | US5881158 Microphones for an implantable hearing aid |
| 03/09/1999 | US5879283 Implantable hearing system having multiple transducers |
| 03/04/1999 | WO1999009799A2 Hearing aid |
| 03/04/1999 | WO1998054928A3 Hearing instrument with head activated switch |
| 03/04/1999 | DE19740692A1 Hearing aid with automatic gain control amplifier |
| 03/02/1999 | US5878147 Directional microphone assembly |
| 03/02/1999 | US5878146 Hearing aid |
| 03/02/1999 | US5876425 Power control loop for implantable tissue stimulator |
| 02/25/1999 | WO1999009788A1 Hearing aid protective cover |
| 02/25/1999 | WO1999009786A1 A method for electronically beam forming acoustical signals and acoustical sensor apparatus |
| 02/25/1999 | WO1999009785A1 Telephone with a receiver arousing bone-conduction and air-conduction hearing |
| 02/25/1999 | DE19826073A1 Hearing aid device e.g. for tinnitus patient |
| 02/25/1999 | CA2297774A1 Telephone with a receiver arousing bone-conduction and air-conduction hearing |
| 02/23/1999 | US5875254 Binaural hearing aid with integrated retrieval line and microphone |
| 02/23/1999 | CA2197197C Acoustic transducer with improved low frequency response |
| 02/18/1999 | WO1999008481A1 Middle ear vibration sensor using multiple transducers |
| 02/18/1999 | WO1999008480A2 Middle ear transducer |
| 02/18/1999 | WO1999008476A2 Implantable hearing system having multiple transducers |
| 02/18/1999 | WO1999007437A1 Piezoelectric film transducer |
| 02/18/1999 | WO1999007311A1 Hearing aid transducer support |
| 02/18/1999 | WO1999007302A1 Apparatus and method for an auditory stimulator |
| 02/17/1999 | EP0897254A2 Hearing-aid/tinnitus-masking system |
| 02/11/1999 | WO1999007182A2 Acoustic coupler |
| 02/11/1999 | WO1998047314A3 Apparatus for and method of programming a digital hearing aid |
| 02/11/1999 | WO1998047313A3 Filterbank structure and method for filtering and separating an information signal into different bands, particularly for audio signals in hearing aids |
| 02/11/1999 | CA2297659A1 Acoustic coupler |
| 02/10/1999 | EP0896435A2 Circuit and method for converting an analogue control variable into digital in a digital hearing aid |
| 02/10/1999 | EP0895705A1 A directional hearing system |
| 02/10/1999 | EP0895704A1 Hearing aid device |
| 02/10/1999 | EP0895703A1 Disposable hearing aid |
| 02/09/1999 | US5870481 For determining an interaural level difference present in a test subject |
| 02/03/1999 | EP0724819B1 Self-curving cochlear electrode array |
| 02/02/1999 | US5867581 Hearing aid |
| 01/28/1999 | WO1999004601A1 Behind the ear hearing aid system |
| 01/28/1999 | WO1999004600A1 Hearing system with middle ear transducer mount |
| 01/28/1999 | WO1999004598A1 Method for electronically selecting the dependency of an output signal from the spatial angle of acoustic signal impingement and hearing aid apparatus |
| 01/28/1999 | WO1999004487A1 Signal-processing device |
| 01/28/1999 | DE19725436A1 Measuring and displaying transmission characteristics of digital hearing aid containing speech processor |
| 01/28/1999 | CA2295750A1 Behind the ear hearing aid system |
| 01/26/1999 | US5864628 Acoustic attention system for use with a hearing aid |
| 01/21/1999 | WO1999003305A1 Shock resistant electroacoustic transducer |
| 01/21/1999 | WO1999003254A1 Personal communication device |
| 01/21/1999 | WO1998044761A3 Standard-compatible, power efficient digital audio interface |
| 01/20/1999 | EP0891684A1 Attaching an implantable hearing aid microactuator |
| 01/20/1999 | EP0740893B1 Dynamic intensity beamforming system for noise reduction in a binaural hearing aid |
| 01/20/1999 | CN2305027Y Pulse microphone of mobile telephone |
| 01/19/1999 | US5862238 For amplifying sounds over a wide dynamic range |
| 01/19/1999 | US5861779 Impedance circuit for a miniature hearing aid |
| 01/13/1999 | EP0890294A1 Hearing aid with in situ testing capability |
| 01/13/1999 | EP0890293A1 Sampled chamber transducer with enhanced low frequency response |
| 01/12/1999 | US5859916 Two stage implantable microphone |
| 01/12/1999 | US5857958 Implantable and external hearing systems having a floating mass transducer |