Patents for H04R 25 - Deaf-aid sets (22,418)
06/1987
06/02/1987CA1222464A1 Ear acoustical hearing aid
05/1987
05/13/1987EP0221100A1 Improvement in the faceplates of intracanal hearing aids
05/06/1987EP0220563A1 Adaptive noise suppressor
05/05/1987CA1221315A1 Hearing aid wax guard
04/1987
04/28/1987US4661981 Method and means for processing speech
04/22/1987EP0219183A2 Class B amplifier
04/22/1987EP0219026A1 Hearing aid
04/22/1987EP0219025A1 Hearing aid
04/14/1987US4658426 Adaptive noise suppressor
04/14/1987US4657106 "Ear" hearing aid
04/07/1987US4656574 Logic signal multiplier circuit
04/07/1987CA1220144A1 Hearing aid with a housing to be worn behind the ear
04/01/1987EP0124566B1 An apparatus for use in the adjustment of the secondary adjustment means of a hearing aid
03/1987
03/31/1987CA1219953A1 Method and apparatus for simulating aural response information
03/25/1987EP0215726A2 Prosthetic electrode array
03/24/1987US4652414 Non-electronic hearing aid
03/19/1987DE3532517A1 Hearing aid to be worn behind the ear
03/10/1987US4649366 Trimmer control mounted in potentiometer knob
03/10/1987US4648403 Method and apparatus for providing spread correction in a multi-channel cochlear prosthesis
03/02/1987EP0199734A4 Removal handle for in-the-ear hearing aid.
02/1987
02/24/1987US4645504 To minimize or eliminate use of antibiotics; prosthetics
02/17/1987US4644330 Anti-snoring device
02/04/1987EP0210550A2 Hearing aid to be worn in the ear
01/1987
01/29/1987DE3527112A1 Hearing aid
01/27/1987US4639556 Hearing aid with a flexible printed circuit board
01/20/1987US4638125 Hearing aid with a housing to be worn behind the ear
01/20/1987US4637402 Method for quantitatively measuring a hearing defect
01/20/1987CA1216798A1 Method and device for the transmission of acoustic information as perceivable vibrations
01/15/1987WO1987000366A1 Noise supression system
01/13/1987CA1216525A1 Method and means for processing speech
01/08/1987DE3522852A1 Process for fabricating an intermediate carrier for semiconductor bodies
01/06/1987US4634815 In-the-ear hearing aid
12/1986
12/30/1986US4633166 Buffer circuit suitable for low voltage operation
12/30/1986EP0206213A1 Hearing aid
12/23/1986US4631517 Frequency-matched signal device for persons with impaired hearing
12/16/1986US4630305 Automatic gain selector for a noise suppression system
12/16/1986US4630304 Automatic background noise estimator for a noise suppression system
12/16/1986US4630302 Hearing aid method and apparatus
12/16/1986US4629834 Apparatus and method for vibratory signal detection
12/16/1986US4629833 Electric hearing aid
12/16/1986US4628907 Direct contact hearing aid apparatus
12/09/1986US4628529 Noise suppression system
12/09/1986US4628527 Mini hearing aid
12/09/1986CA1214999A1 Wax guard system
11/1986
11/20/1986WO1986006919A1 Improvement in the faceplates of intracanal hearing aids
11/18/1986US4622975 Apparatus for testing hearing loss
11/18/1986CA1214112A1 Noise reduction system
11/11/1986US4622692 Noise reduction system
11/11/1986US4622440 Differential hearing aid with programmable frequency response
11/05/1986EP0199734A1 Removal handle for in-the-ear hearing aid.
11/04/1986US4620605 Suspension for electro-acoustical transducers
10/1986
10/28/1986CA1213351A1 Ear canal electrode
10/28/1986CA1213350A1 Ear canal electrode
10/15/1986EP0197630A2 Process for manufacturing an ear fitted acoustical hearing aid
10/14/1986US4617536 Amplitude modulation apparatus and method
10/14/1986US4617429 Hearing aid
10/14/1986CA1212501A1 Cochlear implant system for an auditory prosthesis
10/08/1986EP0196366A2 Hearing aid to be worn in the auditory canal
09/1986
09/23/1986US4612915 Direct bone conduction hearing aid device
09/23/1986CA1211831A1 Electric hearing aid
09/17/1986EP0194958A2 Electret transducer and method of fabrication
09/16/1986US4611598 Multi-frequency transmission system for implanted hearing aids
09/03/1986EP0193145A2 Transmission system for auditory prostheses
08/1986
08/26/1986US4607720 Hearing aid
08/20/1986EP0191075A1 System and method for compensating hearing deficiences.
08/20/1986CN85100782A Multifuction electromedical device
08/19/1986US4606329 Implantable electromagnetic middle-ear bone-conduction hearing aid device
08/13/1986EP0190836A1 Auditory stimulation using cw and pulsed signals
07/1986
07/30/1986EP0188661A1 Electronic hearing aid
07/30/1986CN86100219A Auditory stimulation using cw and pulsed signals
07/29/1986CA1208757A1 Tactile stimulation device for facilitating speech training of hearing-impaired individuals
07/22/1986US4601294 Ear canal electrode
07/22/1986CA1208314A1 Buffer circuit suitable for low voltage operation
07/09/1986EP0186748A2 Deaf-aid device to be supported in one's ear or in one's auditory canal
07/01/1986US4598177 Hearing aid with self-contained battery compartment and volume control
06/1986
06/24/1986US4596902 Processor controlled ear responsive hearing aid and method
06/11/1986EP0184332A2 Method and device for communicating information representing sound waves to the deaf
06/10/1986US4593696 Auditory stimulation using CW and pulsed signals
06/04/1986EP0183605A1 Implantable electrode support
05/1986
05/27/1986US4592087 Class D hearing aid amplifier
05/13/1986US4588960 Output circuits of class B type electronic amplifiers
05/13/1986US4588867 Ear microphone
05/13/1986US4587965 Ear protector for keeping down sound and associated filter
05/07/1986EP0180337A2 Buffer circuit
04/1986
04/30/1986EP0179257A1 Miniature hearing aid
04/29/1986US4586194 Earphone characteristic measuring device
04/29/1986US4586001 Low voltage push-pull amplifier
04/29/1986US4585089 Coupling element for a hearing aid
04/24/1986WO1986002517A1 Removal handle for in-the-ear hearing aid
04/22/1986US4584437 Hearing aids of the type intended to be fitted in the external auditory meatus of the user
04/09/1986EP0176838A1 Behind-the-ear hearing aid
04/02/1986EP0176459A1 Ear phone, telephone handset and head phones for correcting individual hearing deficiencies
04/02/1986EP0176116A2 Remote control system for hearing aids
04/02/1986EP0175909A1 Hearing aid device
03/1986
03/25/1986US4577641 Method of fitting hearing prosthesis to a patient having impaired hearing
03/18/1986CA1202111A1 Hearing aids
03/13/1986WO1986001671A1 System and method for compensating hearing deficiences
03/11/1986US4575586 Apparatus for use in the adjustment of the secondary adjustment means of a hearing aid
03/11/1986US4574912 Acoustic device for amplifying sounds
03/05/1986EP0173371A1 Hearing-aid device