Patents for H04R 25 - Deaf-aid sets (22,418)
06/1993
06/15/1993US5220612 Non-occludable transducers for in-the-ear applications
06/10/1993WO1993010730A1 Hearing aid based on microwaves
06/09/1993EP0544687A1 Hearing aid and method for preparing same.
06/09/1993EP0544677A1 Electromagnetic middle-ear hearing aid.
06/09/1993EP0433348B1 Cerumen trap for hearing aids
06/08/1993US5218225 Thin-film resistor layout
06/08/1993CA1318857C Hearing aid
05/1993
05/25/1993US5214709 Hearing aid for persons with an impaired hearing faculty
05/19/1993EP0542711A1 Method for shifting the frequency of signals
05/19/1993EP0542710A1 Method for processing signals
05/19/1993DE4230308C1 Hearing aid carried behind ear - has stirrup formed on housing frame carrying electrical and electromechanical components
05/19/1993CN2134017Y Stereophonic deaf-aid
05/14/1993CA2082190A1 Method for processing signals
05/14/1993CA2082189A1 Method for shifting the frequency of signals
05/12/1993EP0540862A2 Cap for sealing openings of ear fitments
05/11/1993US5210804 Solar powered hearing aid and reenergizer case
05/11/1993US5210803 Hearing aid having a data storage
05/11/1993CA1317666C Auditory prosthesis with datalogging capability
05/04/1993US5208867 Voice transmission system and method for high ambient noise conditions
04/1993
04/29/1993DE4125377C1 Hearing aid with preamplifier and post amplifier - has signal path for upper frequency range with limiter circuit and signal path for lower frequency range with circuit for automatic amplification regulation
04/28/1993EP0539148A2 Miniature biologically implantable cable assembly
04/21/1993EP0537385A1 Apparatus for tinnitus therapy
04/20/1993US5204917 Modular hearing aid
04/20/1993CA2018732C Ear wax barrier and acoustic attenuator for hearing aid
04/15/1993DE4241255A1 Miniaturised hearing aid current source - uses rechargeable battery cells incorporated in hearing aid housing
04/14/1993EP0537026A2 Portable programmer for hearing aids
04/13/1993US5202927 Remote-controllable, programmable, hearing aid system
04/13/1993US5201903 Method of making a miniature multi-conductor electrical cable
04/08/1993DE4211147C1 Telephone equipment for the hard of hearing - has inductive coupling coil in second ear piece to transmit signals to electrodynamic hearing aid in ear
04/07/1993EP0535425A2 Method for amplifying an acoustic signal for the hard of hearing and device for carrying out the method
04/06/1993US5201008 Modular hearing aid with lid hinged to faceplate
04/06/1993US5201007 Apparatus and method for conveying amplified sound to ear
04/06/1993US5201006 Hearing aid with feedback compensation
04/01/1993WO1993006698A1 Self-curving cochlear electrode array
04/01/1993WO1993006666A1 Improved electromagnetic hearing system
03/1993
03/31/1993EP0534804A1 Class-D BICMOS hearing aid output amplifier
03/31/1993EP0534410A2 Method and apparatus for hearing assistance with speech speed control function
03/30/1993US5197332 Headset hearing tester and hearing aid programmer
03/27/1993CA2052423A1 Hearing aid wax guard with integral bridge
03/24/1993EP0533384A1 Ossicular prosthesis for mounting magnet
03/24/1993EP0533284A1 Electroacoustic transducer of the electret type
03/24/1993EP0533258A2 Method of manufacturing an in-the-ear hearing aid, auxiliary tool for use in the method, and ear mould and hearing aid manufactured in accordance with the method
03/24/1993CN2128807Y Three-purpose apparatus for hypnotizing, hearing aid, recepting
03/23/1993US5196833 Low voltage detector circuit
03/16/1993US5195139 Hearing aid
03/11/1993CA2077868A1 Ossicular prosthesis for mounting magnet
03/09/1993US5193116 Hearing and output transducer with self contained amplifier
03/04/1993WO1993004495A1 Electret feature, method of producing it, and its use in an electro-acoustic transducer
03/04/1993DE4128172A1 Digital hearing aid with microcomputer - uses acoustic sensor to pick up oto-acoustic reaction of inner ear to tones measured by electro-acoustic transducer
02/1993
02/25/1993DE4227826A1 Digital acoustic signal processor esp. for hearing aid - provides choice of reprodn. of speech in real time or at speed adapted to hearing defect
02/24/1993EP0527742A1 Tinnitus masking device.
02/24/1993EP0490930A4 Electromagnetic resonant vibrator
02/23/1993US5189704 Hearing aid circuit having an output stage with a limiting means
02/23/1993US5188540 Hearing aid having electrical contact means arranged in a battery compartment
02/17/1993EP0527719A1 Remote control installation
02/16/1993US5187746 Structure of battery receiving chamber
02/09/1993US5185802 Modular hearing aid system
02/03/1993EP0525355A1 Hearing aid, particularly on-the-head miniature hearing aid, and production method
01/1993
01/27/1993EP0524423A1 In-the-ear hearing aid
01/14/1993DE4135286C1 Outer ear hearing passage and=or lug measurer - uses insertable vessel fillable with liq. to register individual shape for insertable housing of hearing aid
01/13/1993CN2126561Y High-fidelity stereo-high-efficiency deaf-mute recovering device
01/12/1993US5178957 Noble metal-polymer composites and flexible thin-film conductors prepared therefrom
01/07/1993EP0572382A4 Three wire system for cochlear implant processor.
01/07/1993EP0521329A1 In-the-ear hearing aid and production method
01/05/1993US5177120 Chain extended urethane diacrylate and dental impression formation
01/05/1993US5176620 Hearing aid having a liquid transmission means communicative with the cochlea and method of use thereof
01/05/1993CA1312402C Chain extended urethane diacrylate and dental impression formation
01/05/1993CA1312359C Operational amplifier stages
12/1992
12/30/1992EP0520153A1 Hermetically sealed implantable transducer
12/29/1992CA2072521A1 Miniature hearing aid to be worn on the head, and a method for the manufacture thereof
12/29/1992CA1312136C Signal processor for and an auditory prosthesis having spectral to temporal transformation
12/23/1992EP0519088A1 Procedure and circuit for limiting an output signal
12/23/1992EP0518906A1 Earwax trap for use with hearing-aid apparatus, and hearing-aid apparatus with such a trap.
12/16/1992EP0518236A1 Hearing prosthesis
12/15/1992US5172346 Method and apparatus for the remote control of a hearing aid means
12/15/1992CA1311424C Shielded magnetic assembly for use with a hearing aid
12/11/1992CA2070981A1 Hearing prosthesis
12/11/1992CA2070700A1 Method and circuit arrangement for limiting an output signal
12/09/1992EP0517323A2 Hearing aid intended for being mounted within the ear canal
12/09/1992EP0517322A2 Hearing aid intended for being mounted within the ear canal
12/09/1992EP0516808A1 Method of preparing an otoplasty or adaptive ear piece individually matched to the shape of an auditory canal.
12/08/1992US5170434 Hearing aid with improved noise discrimination
12/08/1992CA1311290C Signal processor for and an auditory prosthesis utilizing channel dominance
12/03/1992DE4215711A1 In-ear hearing aid with replaceable battery - has handgrip element facilitating easy insertion and removal
12/03/1992DE4206084C1 Hearing aid with acoustic indication of selected setting - has tone generator providing signals indicative of electronically set parameter, adjusted by manual switch
12/01/1992US5167236 Tinnitus-masker
11/1992
11/26/1992WO1992021218A1 Hearing aid
11/25/1992EP0500700A4 High fidelity hearing aid amplifier
11/24/1992US5166659 Hearing aid with cerumen collection cavity
11/17/1992US5165017 In a hearing device
11/17/1992US5163957 Middle ear prosthesis
11/17/1992CA1310277C Hearing protector and method of manufacturing the same
11/11/1992EP0512365A1 Apparatus for aurally compensated volume regulation
11/11/1992EP0512354A2 Hearing aid in the form of an ear-ring
11/10/1992US5162751 Amplifier arrangement
11/10/1992CA1310070C Vocal tactile feedback method and associated apparatus
11/04/1992EP0493519A4 Output amplifier
11/04/1992CN2121104U Special earphone for audiphone with magnetic wave induction coil
10/1992
10/29/1992WO1992018066A1 Self adjustable ossicle prosthesis for the medium hear
10/27/1992CA1309489C Microphone with frequency pre-emphasis channel plate