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