Patents
Sitemap › H04 - Electric communication technique › H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; Deaf-aid sets; Public address systems › H04R 25 - Deaf-aid sets
Patents for H04R 25 - Deaf-aid sets (22,418)
08/1998
08/26/1998EP0860943A2 Surface acoustic wave device
08/25/1998US5799095 Beside-the-door programming system for programming hearing aids
08/25/1998US5797834 Hearing improvement device
08/19/1998CN1191060A Hearing aid with wireless remote processor
08/18/1998US5796848 Digital hearing aid
08/18/1998US5796821 Hearing aid telephone interconnect system
08/18/1998US5795287 Tinnitus masker for direct drive hearing devices
08/13/1998WO1998035530A1 Microphone with modified high-frequency response
08/11/1998US5794201 Digital acoustic signal processing apparatus
08/11/1998US5794187 Method and apparatus for improving effective signal to noise ratios in hearing aids and other communication systems used in noisy environments without loss of spectral information
08/11/1998US5793875 Directional hearing system
08/05/1998EP0856239A1 Class d hearing aid amplifier with feedback
08/05/1998EP0856209A1 Trimmable variable compression amplifier for hearing aid
08/04/1998US5790672 In ear hearing aid
08/04/1998US5788711 Implantable positioning and fixing system for actuator and sensor implants
07/1998
07/30/1998DE19703228A1 Input signal amplification method for hearing aid
07/29/1998EP0855847A2 Sheath for hearing aids, hearing aids or parts thereof provided therewith, hearing test process and device
07/29/1998EP0855130A1 Digital hearing aid system
07/29/1998EP0855129A1 Digital signal processing hearing aid with processing strategy selection
07/29/1998CN1189080A Ear-plug type earphone with ear hook
07/28/1998US5785661 Highly configurable hearing aid
07/23/1998WO1998020704A3 Method of producing an ear canal impression
07/23/1998DE19702151A1 Hearing aid instrument
07/21/1998US5784471 Hearing aid with an electrodynamic acoustic transducer
07/21/1998US5784470 Battery door and faceplate arrangement for a completely in the canal hearing aid device
07/21/1998US5782744 System for aiding a person having hearing deficiency
07/16/1998WO1998031193A1 Open ear canal hearing aid system
07/16/1998WO1998031191A1 Apparatus and method for simulating a human mastoid
07/15/1998EP0853443A2 System for programming hearing aids
07/15/1998EP0852708A1 Mechanical signal processor based on micromechanical oscillators and intelligent acoustic detectors and systems based thereon
07/14/1998US5781638 Electro-acoustic transducer
07/14/1998US5781637 Method for fabricating a hearing aid faceplate and a faceplate produced thereby
07/13/1998CA2223660A1 System for programming hearing aids
07/09/1998WO1998030065A1 Directional microphone assembly
07/08/1998EP0852451A2 Hearing aid
07/08/1998EP0852105A1 Earphones with eyeglass attachments
07/08/1998EP0852104A1 Acoustically transparent earphones
07/08/1998CN1187101A Separable ear hook for ear plug type earphone
07/07/1998US5776172 Multichannel implantable cochlear stimulator
07/02/1998WO1998028943A1 A digital hearing aid using differential signal representations
07/02/1998DE19724491A1 Microphone for electric hearing aid
07/02/1998DE19652794A1 Programmable hearing aid
07/01/1998EP0851710A1 Electroacoustic transducer
07/01/1998EP0831985A4 Radiation-curable, moldable material, methods for curing it and molded articles obtained therefrom
07/01/1998CN2285539Y Multi-function pocket radio earphone for teaching
06/1998
06/30/1998US5774791 Low power wireless communication system employing magnetic control zones
06/30/1998US5772575 Implantable hearing aid
06/25/1998WO1998027787A1 Hearing aid with improved percentile estimator
06/24/1998EP0580579B1 Noise control apparatus
06/23/1998US5771299 Spectral transposition of a digital audio signal
06/23/1998US5771298 Apparatus and method for simulating a human mastoid
06/18/1998WO1998026629A2 Dual path implantable hearing assistance device
06/18/1998DE19651126A1 Serial, bi-directional data transmission method
06/17/1998EP0848573A2 In-the-ear hearing aid with directional microphone system
06/17/1998EP0847661A2 Acoustic device
06/16/1998US5768397 Hearing aid and system for use with cellular telephones
06/11/1998WO1998025439A1 Hearing enhancement system
06/11/1998WO1998025214A1 Method and device for non-stationary separation of signals of various sources
06/11/1998CA2274096A1 Hearing enhancement system
06/10/1998EP0847227A2 Hearing aid
06/10/1998EP0846360A1 Apparatus comprising an electrical device and a battery holder
06/09/1998US5764778 Hearing aid headset having an array of microphones
06/09/1998US5763503 Radiation-curable, moldable material, methods for curing it and molded articles obtained therefrom
06/09/1998US5762583 Vibrator for an implantable hearing system
06/04/1998WO1998023230A1 Implantable hearing assistance device with remote electronics unit
06/04/1998DE19652336A1 Verfahren und Vorrichtung zur nichtstationären Quellentrennung Method and apparatus for non-stationary source separation
06/03/1998EP0845921A1 Method and circuit for regulating the volume in digital hearing aids
06/03/1998CN1183875A Television receiver with doors for its display screen which doors contain loudspeakers
06/02/1998US5761319 Hearing instrument
06/02/1998US5758651 Cochlear implant for stimulating a patient's aural nerve
05/1998
05/27/1998EP0844805A1 A compression amplifier
05/27/1998EP0844804A1 A non-distorting circuit for a hearing aid
05/27/1998EP0787415A4 Multiple pulse stimulation
05/26/1998US5757947 Transducer
05/26/1998US5757935 Audio listening device for the hearing impaired
05/26/1998US5757934 Transmitting/receiving apparatus and communication system using the same
05/26/1998US5757933 In-the-ear hearing aid with directional microphone system
05/26/1998US5757932 Digital hearing aid system
05/26/1998US5755747 Cochlear implant system with soft turn on electrodes
05/20/1998EP0843427A1 An arrangement for suppressing harmonic interference in signal transmission
05/20/1998EP0842590A1 Hearing aid
05/20/1998EP0564456B1 Supersonic bone conduction hearing aid and method
05/20/1998DE19746722A1 Device for performing hearing tests
05/20/1998CA2190788A1 A hearing aid having input/output gain compression circuits
05/19/1998US5754661 Programmable hearing aid
05/19/1998US5753870 Continuous flow earmold tubing connector with a filter
05/14/1998WO1998020704A2 Method of producing an ear canal impression
05/14/1998WO1998020664A1 Mobile radio telephone assembly
05/14/1998DE19645259A1 Mobilfunktelefonsystem Mobile phone system
05/13/1998EP0840581A1 Apparatus for and method of controlling speech processors and for providing private data input via the same
05/13/1998EP0793897B1 Hearing aid
05/12/1998US5751820 Integrated circuit design for a personal use wireless communication system utilizing reflection
05/12/1998US5749912 Low-cost, four-channel cochlear implant
05/07/1998WO1998019498A1 Ear muffler
05/07/1998CA2270078A1 Ear muffler
05/05/1998US5748751 Signal amplifier system with improved echo cancellation
05/05/1998US5748743 Air conduction hearing device
04/1998
04/30/1998WO1998018294A1 Compression systems for hearing aids
04/28/1998US5745587 Hearing aid amplifier circuitry
04/22/1998EP0836408A1 Apparatus and method for measuring tympanic displacement
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