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