| Patents for H04R 25 - Deaf-aid sets (22,418) |
|---|
| 12/03/1997 | EP0809921A1 Air conduction hearing device |
| 12/03/1997 | EP0809906A1 Very low power cordless headset system |
| 12/03/1997 | EP0809837A1 Apparatus and method for simulating a human mastoid |
| 12/02/1997 | US5694475 Acoustically transparent earphones |
| 12/02/1997 | US5694474 Adaptive filter for signal processing and method therefor |
| 12/02/1997 | CA2046416C Hearing aid for persons with an impaired hearing faculty |
| 11/27/1997 | WO1997044987A1 Improved microphones for an implantable hearing aid |
| 11/26/1997 | CN1166092A Radio-frequency hearing aid protector for wireless communications products |
| 11/20/1997 | WO1997043871A1 Calculating electrode frequency allocation in a cochlear implant |
| 11/20/1997 | DE19619312A1 Amplification system for hearing aid input signals |
| 11/20/1997 | CA2254777A1 Calculating electrode frequency allocation in a cochlear implant |
| 11/19/1997 | EP0806909A1 Earmolds for two-way communication devices |
| 11/18/1997 | CA2054428C Spectral maxima sound processor |
| 11/13/1997 | DE19624092A1 Amplification circuit e.g. for analogue or digital hearing aid |
| 11/12/1997 | EP0806885A1 Holding device for accessories mountable on a hearing aid |
| 11/12/1997 | EP0806884A1 Apparatus for the electro-mechanical stimulation and for the examination of the ears |
| 11/12/1997 | EP0806092A1 A directional acoustic signal processor and method therefor |
| 11/11/1997 | US5687245 Sampled chamber transducer with enhanced low frequency response |
| 11/11/1997 | US5687242 Hearing aid controls operable with battery door |
| 11/11/1997 | US5687241 Circuit arrangement for automatic gain control of hearing aids |
| 11/06/1997 | WO1997041710A1 Beside-the-door programming system for programming hearing aids |
| 11/06/1997 | DE19633321A1 Hearing aid with externally operable amplification mode selector |
| 11/06/1997 | DE19618019A1 Transmission parameter adjustment arrangement for acoustic hearing arrangement |
| 11/06/1997 | DE19618017A1 Acoustic hearing arrangement for simulating human hearing defects |
| 11/06/1997 | DE19618016A1 Realistic acoustic hearing arrangement for selection of hearing aid |
| 11/05/1997 | EP0805562A2 Radio-frequency hearing aid protector for wireless communications products |
| 11/05/1997 | EP0493519B1 Output amplifier |
| 11/05/1997 | EP0449823B1 Improved variolosser |
| 10/30/1997 | WO1997040645A1 A directional hearing system |
| 10/30/1997 | WO1997040644A1 Hearing aid device |
| 10/29/1997 | CN2266245Y Hearing aids for telephone |
| 10/29/1997 | CA2203715A1 Radio-frequency hearing aid protector for wireless communications products |
| 10/28/1997 | US5682434 Wearable audio system with enhanced performance |
| 10/28/1997 | US5682020 Sealing of hearing aid to ear canal |
| 10/23/1997 | WO1997039464A1 Thin film electret microphone |
| 10/23/1997 | DE19549355C2 Watertight hearing aid with battery receptacle |
| 10/22/1997 | EP0802700A1 Electroacoustic transducer |
| 10/22/1997 | EP0802699A2 Method for electronically enlarging the distance between two acoustical/electrical transducers and hearing aid apparatus |
| 10/22/1997 | EP0801878A1 Implantable and external hearing systems having a floating mass transducer |
| 10/21/1997 | US5680467 Hearing aid compensating for acoustic feedback |
| 10/21/1997 | US5680466 Omnidirectional hearing aid |
| 10/16/1997 | WO1997037593A1 Ear tips having a plurality of ear contacting surfaces |
| 10/15/1997 | EP0800751A1 Articulated hearing device |
| 10/15/1997 | EP0681717A4 Battery drain reducer. |
| 10/14/1997 | US5677965 Integrated capacitive transducer |
| 10/14/1997 | CA2144420C Circuit arrangement for an integrated output amplifier |
| 10/08/1997 | EP0800331A2 Integrated microphone/amplifier unit, and amplifier module therefor |
| 10/07/1997 | US5675657 Deep insertion intracanal hearing aids or miniaturized peritympanum hearing aids |
| 10/07/1997 | US5674265 Apparatus and methods for communications with implanted active medical devices |
| 10/07/1997 | US5674264 Feedback system to control electrode voltages in a cochlear stimulator and the like |
| 10/02/1997 | WO1997036457A1 Attaching an implantable hearing aid microactuator |
| 10/02/1997 | WO1997036456A1 Battery and circuitry assembly |
| 10/02/1997 | CA2254888A1 Battery and circuitry assembly |
| 10/01/1997 | EP0798947A1 Method and circuit for data processing, in particular for signal data in a digital progammable hearing aid |
| 10/01/1997 | EP0797875A1 An adaptive filter for signal processing and method therefor |
| 09/30/1997 | US5673328 In an eyeglass frame |
| 09/25/1997 | DE19610997A1 Elektrodynamischer Schallwandler mit Magnetspaltenabdichtung An electrodynamic transducer with magnetic seal columns |
| 09/18/1997 | WO1997034443A1 Disposable hearing aid |
| 09/18/1997 | WO1997034442A1 Hearing aid feedback detecting and warning device |
| 09/18/1997 | WO1997033647A1 Device and method for implants in ossified cochleas |
| 09/18/1997 | CA2248618A1 Disposable hearing aid |
| 09/17/1997 | EP0796035A1 Digital hearing-aid with processor supervision |
| 09/10/1997 | EP0794687A1 Method and device for determining the function and the transfer characteristic of hearing aids |
| 09/10/1997 | EP0793897A1 Hearing aid |
| 09/09/1997 | US5666429 Energy estimator and method therefor |
| 09/03/1997 | EP0578752B1 Inconspicuous communication method utilizing remote electromagnetic drive |
| 09/03/1997 | CN2261709Y Invisible earphone for aerocrafts |
| 09/02/1997 | US5663727 Frequency response analyzer and shaping apparatus and digital hearing enhancement apparatus and method utilizing the same |
| 09/02/1997 | US5663276 Wholly aromatic polyester, composition thereof, and molded article made therefrom |
| 08/28/1997 | WO1997031396A1 Zinc-air dry cell holder and hearing aid that uses it |
| 08/27/1997 | CN2261129Y Joint-use earphone |
| 08/26/1997 | US5661814 Hearing aid apparatus |
| 08/26/1997 | US5661420 Mounting configuration for monolithic integrated circuit |
| 08/21/1997 | WO1997030565A1 Improved biocompatible transducers |
| 08/19/1997 | US5659621 Magnetically controllable hearing aid |
| 08/19/1997 | US5659156 Earmolds for two-way communications devices |
| 08/13/1997 | EP0789474A2 A hands-free arrangement for mobile communication device |
| 08/13/1997 | EP0500700B1 High fidelity hearing aid amplifier |
| 08/07/1997 | WO1997028668A1 Thin film fabrication technique for implantable electrodes |
| 08/07/1997 | DE19603806A1 Modular kit for electric hearing aid worn in ear |
| 08/06/1997 | EP0788290A1 Programmable hearing aid |
| 08/06/1997 | EP0787415A1 Multiple pulse stimulation |
| 08/06/1997 | EP0787383A1 Automatic sensitivity control |
| 08/06/1997 | EP0786975A1 Implant system for extra-oral applications and orthodontics |
| 08/05/1997 | US5654530 Auditory canal insert for hearing aids |
| 07/31/1997 | WO1997027723A1 Sound pick-up and reproduction system for a headset in a noisy environment |
| 07/31/1997 | CA2214094A1 Sound pick-up and reproduction system for a headset in a noisy environment |
| 07/24/1997 | DE19630965A1 Portable audio reproduction device |
| 07/24/1997 | DE19601535A1 Electronic in-ear hearing aid |
| 07/22/1997 | US5651071 Noise reduction system for binaural hearing aid |
| 07/22/1997 | CA2093060C Micropower amplifier/transducer driver with signal expansion |
| 07/17/1997 | DE19601231A1 Electrical external hearing aid with multifunction audio flap for wearing behind ear |
| 07/16/1997 | EP0784415A1 Electroacoustic transducer |
| 07/16/1997 | EP0783828A1 Hearing aid |
| 07/16/1997 | EP0783795A1 Low noise amplifier for microphone |
| 07/15/1997 | US5649019 Digital apparatus for reducing acoustic feedback |
| 07/15/1997 | CA2034176C Hearing aid |
| 07/10/1997 | WO1997009842A3 Acoustic device |
| 07/10/1997 | DE19611980C1 Amplifier circuit for digital hearing aid |
| 07/10/1997 | DE19600234A1 Hearing aid adjustment and adapting method and arrangement |