Patents for H04R 25 - Deaf-aid sets (22,418)
03/1986
03/05/1986EP0173085A2 Chain extended urethane dimethacrylate and dental impression formation
02/1986
02/18/1986US4571557 Wide band transistor oscillator
02/18/1986CA1200942A1 Waveform clipping circuits
02/11/1986US4569812 Polymethyl methacrylate; molding around removable mandrel
02/05/1986EP0169990A1 Hearing aid
02/05/1986EP0169854A1 Suspension for electro-acoustical transducers
01/1986
01/28/1986US4567382 Electret transducer and a method for manufacturing an assembly of backplate, electret foil and diaphragm plate
01/22/1986EP0168895A2 Hearing aid
01/21/1986US4565904 Removal handle for in-the-ear hearing aids
01/14/1986US4564955 Coupling for use in the securing of a hook-shaped sound part on a behind-the-ear hearing aid
01/14/1986CA1199398A1 Electromagnetic transducer
12/1985
12/24/1985CA1198509A1 Device for the compensation of hearing impairments
12/04/1985EP0163137A1 Multifrequency transmission system for implanted hearing aids
12/03/1985US4556122 Ear acoustical hearing aid
11/1985
11/19/1985US4553627 Hearing aid wax guard
11/06/1985EP0160054A1 Hearing aid amplification method and apparatus
10/1985
10/30/1985EP0159571A1 Ear tip for a hearing aid ear mould, and a hearing aid ear mould
10/29/1985US4550227 In-the-ear hearing aid
10/24/1985WO1985004779A1 Hearing aid otoplasty arranged on the auditory meatus side and hearing aid otoplasty
10/22/1985US4548082 Hearing aids, signal supplying apparatus, systems for compensating hearing deficiencies, and methods
10/16/1985EP0158391A1 Hearing-aid, in particular behind- the ear hearing aid
10/01/1985CA1194552A1 Single channel auditory stimulation system
09/1985
09/24/1985US4543453 Electronic hearing aid control circuit
09/03/1985US4539441 Hearing-aid with integrated circuit electronics
09/03/1985US4539440 In-canal hearing aid
09/03/1985US4539439 Electrical connection cord
08/1985
08/20/1985US4536844 Method and apparatus for simulating aural response information
08/06/1985US4532930 Cochlear implant system for an auditory prosthesis
07/1985
07/30/1985US4532649 Hearing aid
07/23/1985US4531229 Method and apparatus for improving binaural hearing
07/18/1985WO1985003185A1 Suspension for electro-acoustical transducers
07/16/1985US4529846 Dynamic telephone receiver with magnetic shunt
07/10/1985EP0147940A1 An ear acoustical hearing aid
07/01/1985EP0131033A4 Method and means for processing speech.
06/1985
06/25/1985US4525856 Amplifier arrangement for acoustic signals, provided with means for suppressing (undersired) spurious signals
06/19/1985EP0145419A2 Direct current blocking circuit and implantable device using same
06/19/1985EP0145160A2 Anti-snoring device
06/19/1985EP0144774A2 Audiotactile communication system
06/18/1985US4524247 Integrated electroacoustic transducer with built-in bias
06/12/1985EP0143816A1 A coupling element for a hearing aid.
06/11/1985US4522209 Cochlear prosthesis test system
05/1985
05/29/1985EP0029048B1 Speech processor
05/28/1985US4520236 Sound transfer from a hearing aid to the human ear drum
05/22/1985EP0141953A1 Method and apparatus for the transmission of acoustic information as tactile vibrations
05/21/1985CA1187559A1 Connectors
05/14/1985US4517415 Hearing aids
05/14/1985US4516820 Cochlear prosthesis package connector
05/09/1985WO1985002085A1 Hearing aid amplification method and apparatus
05/08/1985EP0140078A1 Hearing aid having a housing to be worn behind the ear
05/02/1985EP0139106A1 Hearing-aid to be worn in the ear
05/02/1985EP0138933A1 Hearing aid
04/1985
04/24/1985EP0138232A2 Composition for producing plastic or hard materials for the dental industry, (dental) medicine and related use, process for its preparation and its use
04/10/1985EP0136643A2 Hearing aid
04/02/1985US4509193 Miniature acoustical transducer with filter/regulator power supply circuit
04/02/1985US4509022 Amplifier circuit with automatic gain control and hearing aid equipped with such a circuit
04/02/1985US4508940 Device for the compensation of hearing impairments
04/02/1985CA1184963A1 Transducer with adjustable armature yoke and method of adjustment
03/1985
03/19/1985US4506169 Peak amplitude detector
03/19/1985US4506113 Speech processing circuit
02/1985
02/19/1985US4501015 Apparatus for electroacoustic energy conversion
02/14/1985WO1985000509A1 Signal generation system
02/12/1985US4499339 Amplitude modulation apparatus and method
02/12/1985US4498555 Hearing aid nubbin and acoustic damper
02/12/1985US4498461 Coupling to a bone-anchored hearing aid
02/12/1985US4498332 Test device for measuring the fit of hearing aid related devices
01/1985
01/29/1985US4495917 Surgically implantable disconnect device
01/23/1985EP0131766A1 Hearing aid
01/22/1985US4495384 For an auditory implant electrode
01/16/1985EP0131033A1 Method and means for processing speech
01/08/1985CA1180764A1 Cochlear implant with rapidly sequenced biphasic pulses to multiple sites
01/02/1985EP0129788A1 Hearing aid
01/01/1985US4491980 Hearing aid coupled with a radio
01/01/1985US4491823 Rotary resistors
12/1984
12/25/1984US4490585 Hearing aid
12/25/1984US4489610 Computerized audiometer
12/19/1984EP0128848A1 Test bench for an electroacoustic assembly, in particular for hearing aids
12/18/1984US4489330 Electromagnetic induction coil antenna
12/11/1984US4487210 Anchor for anchoring electrode leads used in cochlear implantation
11/1984
11/27/1984US4485268 Sealing device for an electrical connector and method therefor
11/22/1984WO1984004645A1 A coupling element for a hearing aid
11/20/1984US4484345 Prosthetic device for optimizing speech understanding through adjustable frequency spectrum responses
11/14/1984EP0124930A1 Cochlear implant system for an auditory prosthesis
11/14/1984EP0124798A1 Resonant peak control
11/14/1984EP0124566A1 An apparatus for use in the adjustment of the secondary adjustment means of a hearing aid.
11/07/1984EP0124315A1 Amplifiers
10/1984
10/31/1984EP0123626A1 Method and apparatus for simulating aural response information
10/16/1984CA1176366A1 Programmable signal processing device
10/11/1984WO1984004016A1 Hearing aid
10/09/1984US4476353 Hearing aid device to be worn in the ear
10/02/1984US4475230 Hearing aid
09/1984
09/25/1984CA1175136A1 Cell assembly for electret transducer
09/19/1984EP0118734A2 Earphone characteristic measuring device
09/18/1984US4472603 Portable communication apparatus
09/18/1984US4472342 Manufacture of a body cavity insert
09/11/1984US4471490 Hearing aid
09/11/1984US4471171 Digital hearing aid and method
08/1984
08/21/1984US4467145 Hearing aid
07/1984
07/31/1984US4462402 Method and anchor for anchoring
07/31/1984US4462401 Method and anchor for anchoring electrode leads used in cochlear implantation
07/24/1984CA1171361A1 Hearing aid