Patents for H04R 25 - Deaf-aid sets (22,418)
07/1994
07/26/1994US5333206 Dual element headphone
07/26/1994US5333119 Digital signal processor with delayed-evaluation array multipliers and low-power memory addressing
07/26/1994US5332928 Battery drain reducer
07/20/1994EP0544677B1 Electromagnetic middle-ear hearing aid
07/19/1994US5330520 Implantable electrode and sensor lead apparatus
07/14/1994DE4300804A1 Balloon ear plug tampon
07/07/1994WO1994015440A1 Cerumen barrier for the hearing instruments
07/07/1994WO1994015397A1 Circuit arrangement for an integrated output amplifier
07/07/1994WO1994014376A1 Telemetry system and apparatus
07/06/1994EP0578752A4 Inconspicuous communication method utilizing remote electromagnetic drive
07/05/1994US5327506 Voice transmission system and method for high ambient noise conditions
07/05/1994US5327500 Cerumen barrier for custom in the ear type hearing intruments
07/05/1994US5327499 Safety device for a hearing aid
07/05/1994US5325872 Tinnitus masker
06/1994
06/30/1994DE4327634C1 Behind-the-ear hearing aid
06/29/1994EP0603204A1 Improved electromagnetic hearing system
06/28/1994US5325436 Method of signal processing for maintaining directional hearing with hearing aids
06/23/1994WO1994014293A1 Hearing aid having liquid transmission means
06/23/1994WO1994014239A1 Pre-amplifier
06/23/1994WO1994014110A1 Battery drain reducer
06/23/1994CA2150226A1 Battery drain reducer
06/22/1994EP0435954B1 Apparatus and method for conveying amplified sound to ear
06/21/1994US5323468 Bone-conductive stereo headphones
06/15/1994EP0580579A4 Improvements in and relating to transmission line loudspeakers
06/15/1994EP0461196B1 Power efficient hearing aid
06/15/1994EP0449860B1 Tinnitus masker
06/14/1994US5321758 Power efficient hearing aid
06/14/1994US5321757 Hearing aid and method for preparing same
06/14/1994US5320098 Optical transdermal link
06/09/1994WO1994013116A1 Plug-in transducers in hearing aids
06/09/1994DE3645255C2 Class D hearing and amplifier
06/08/1994CN2168374Y Speech-training hearing aid
06/07/1994US5319717 Hearing aid microphone with modified high-frequency response
06/07/1994US5319163 Waterproof earmold-to-earphone adapter
06/07/1994US5318502 Hearing aid having gel or paste transmission means communcative with the cochlea and method of use thereof
06/01/1994EP0598729A1 Electret feature, method of producing it, and its use in an electro-acoustic transducer.
05/1994
05/31/1994US5317640 Switched amplifier
05/25/1994EP0598447A1 Method of manufacturing an in-the-ear hearing aid, auxiliary element for use in the method, and ear mould and hearing aid manufactured in accordance with the method
05/24/1994CA2008624C Tri-select hearing assist
05/11/1994WO1994010820A1 Electronic simulator of non-linear and active cochlear signal processing
05/11/1994WO1994010819A1 Hearing aid with permanently adjusted frequency response
05/11/1994WO1994010817A1 Electroacoustic transducer
05/11/1994EP0596456A1 Method of manufacturing an integrated capacitive transductor
05/11/1994EP0449823A4 Improved variolosser
05/11/1994CA2148453A1 Electronic simulator of non-linear and active cochlear signal processing
05/05/1994DE4236516A1 Remote control with sliding cover - allows person wearing hearing aid to control various functions by unambiguous touch of keys, i.e. without looking
04/1994
04/28/1994WO1994009607A1 Hearing aid microphone with modified high-frequency response
04/28/1994WO1994009606A1 Tinnitus-treatment device
04/28/1994WO1994009604A1 Hearing aid compensating for acoustic feedback
04/28/1994WO1994008539A1 Package and method of construction
04/28/1994CA2146118A1 Hearing aid microphone with modified high-frequency
04/21/1994DE4234964A1 Tinnitus-Behandlungsgerät Tinnitus treatment device
04/19/1994US5305420 Method and apparatus for hearing assistance with speech speed control function
04/14/1994DE4233651A1 Adapting hearing aid unit to patient's ear - by coating with silicone which is partially cured in-situ.
04/13/1994EP0592386A1 Bone conduction hearing aid
04/13/1994EP0591791A1 Programmable hearing-aid
04/13/1994EP0591441A1 An improved multiband programmable compression system
04/12/1994US5303306 Hearing aid with programmable remote and method of deriving settings for configuring the hearing aid
04/12/1994US5303305 Solar powered hearing aid
04/08/1994CA2107829A1 Bone conducting hearing aid
04/06/1994EP0590903A1 Output limiter for class-D BICMOS hearing aid output amplifier
04/05/1994CA1328228C Magnetic ossicular replacement prosthesis
03/1994
03/31/1994WO1994007343A1 Method for the securing of an electro-acoustic device on or in the human ear and electro-acoustic device for use in the method
03/31/1994WO1994007342A1 Bone conduction accelerometer microphone
03/31/1994WO1994007341A1 Electroacoustic speech intelligibility enhancement method and apparatus
03/30/1994EP0589308A1 Hearing aid
03/22/1994US5297056 Directly-writable digital potentiometer
03/16/1994EP0587032A1 Integrated capacitive transducer
03/15/1994US5295193 Device for picking up bone-conducted sound in external auditory meatus and communication device using the same
03/15/1994US5295191 Hearing aid intended for being mounted within the ear canal
03/09/1994EP0585976A2 Hearing aid with cancellation of acoustic feedback
03/09/1994EP0585485A1 Hearing-aid device
03/08/1994US5293008 Earwax trap for use with hearing-aid apparatus, and hearing-aid apparatus with such a trap
03/02/1994EP0584259A1 Hearing aid
02/1994
02/24/1994DE4227641A1 Audio frequency signal transmission device for inductive hearing device - uses induction coil provided by conductor loop supplied from annular core transformer
02/22/1994US5289544 Method and apparatus for reducing background noise in communication systems and for enhancing binaural hearing systems for the hearing impaired
02/22/1994US5289543 FM receiver and communication systems including same
02/08/1994US5285502 Signal processing circuit
02/08/1994US5285499 Ultrasonic frequency expansion processor
02/08/1994CA1326831C Hearing aid employing a viscoelastic material to adhere components to the casing
02/02/1994EP0581262A1 Auditory prosthesis for adaptively filtering selected auditory component by user activation and method for doing same
02/02/1994EP0581261A1 Auditory prosthesis with user-controlled feedback
02/02/1994EP0580579A1 Improvements in and relating to transmission line loudspeakers
02/01/1994US5282858 For an implantable hearing aid system
01/1994
01/30/1994CA2100015A1 Auditory prosthesis with user-controlled feedback cancellation
01/25/1994US5282253 Bone conduction microphone mount
01/25/1994US5282251 Speaker device for the hearing impaired
01/19/1994EP0579152A1 Auditory prosthesis, noise suppression apparatus and feedback suppression apparatus having focused adapted filtering
01/19/1994EP0578752A1 Inconspicuous communication method utilizing remote electromagnetic drive.
01/18/1994US5279292 Charging system for implantable hearing aids and tinnitus maskers
01/18/1994CA1326285C Electronic filters, hearing aids and methods
01/14/1994CA2098679A1 Auditory prosthesis, noise suppression apparatus and feedback suppression apparatus having focused adaptive filtering
01/12/1994EP0578021A2 Hearing aid
01/12/1994EP0578020A2 Hearing aid with an integrated circuit
01/12/1994EP0578019A2 Data input device for hearing aid
01/12/1994EP0269680B1 Patient controlled device for ajusting a hearing aid, method, and test device for such a hearing aid
01/11/1994US5278912 Audio frequency signal compressor
01/11/1994US5278910 Apparatus and method for speech signal level change suppression processing
01/11/1994US5278360 Hearing aid wax guard with integral bridge
01/11/1994US5277694 Electromechanical transducer for implantable hearing aids