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| Number | Title | Issue Date |
| 5434924 | Hearing aid employing adjustment of the intensity and the arrival time of sound by electronic or acoustic, passive devices to improve interaural perceptual balance and binaural processing A hearing aid for a person with asymmetric hearing perception (a weaker ear system and a better ear system) employs conventional frequency-selective amplification (26L) of sound coming to the weaker ear's system and frequency selective amplitude adjustmen... | 07/18/1995 |
| 5425104 | Inconspicuous communication method utilizing remote electromagnetic drive An inconspicuous hearing system is described that uses a coil to electromagnetically couple with, and therefore drive, a permanent magnet attached to the tympanic membrane or ossicular chain. This hearing system enables hearing impaired individuals, as we... | 06/13/1995 |
| 5345509 | Transducer with ear canal pickup A transducer assembly includes a bi-directional transducer coupled to an ear mold for transmitting and receiving sounds from a remote location. A by-pass channel is provided in the ear mold for ambient sounds which by-pass the transducer.... | 09/06/1994 |
| 5338287 | Electromagnetic induction hearing aid device An electromagnetic induction type hearing aid which comprises (1) an electromagnetic transmitter having an input for receiving a radiated acoustical signal and an output for radiating an alternating electromagnetic signal whose frequency components are de... | 08/16/1994 |
| 5323468 | Bone-conductive stereo headphones An arrangement was devised for the delivery of stereophonic soundwaves through the mastoid bone structure of the human skull. The system allows for the partial bypassing of the use of the auditory canals, and for the conduction of audio output signals gen... | 06/21/1994 |
| 5295193 | Device for picking up bone-conducted sound in external auditory meatus and communication device using the same A device for picking up bone-conducted sound in the external auditory meatus includes a fitting portion for accommodation in a navicular cavity formed between a tragus cartilage portion and an entrance portion of an external auditory meatus, and a bone co... | 03/15/1994 |
| 5282253 | Bone conduction microphone mount A bone conduction microphone which fits into the ear of the user and which has means which abuts against the pinna of the ear causing a counteracting force to resiliently push the device against a wall of the ear canal nearest the back of the head, where ... | 01/25/1994 |
| 5280524 | Bone conductive ear microphone and method An ear piece device configured for being supported in the ear and providing a microphone which is sensitive only to sounds conducted within the skull of the user is contained within a housing which is configured at one end to fit snugly at the ear canal o... | 01/18/1994 |
| 5277694 | Electromechanical transducer for implantable hearing aids Electromechanical transducer for implantable hearing aids. The transducer has a hermetically sealed and biocompatible housing, in which a wall is designed as a membrane that can oscillate, and which forms a heteromorphic connecting element together with a... | 01/11/1994 |
| 5228092 | Voice transducer A voice transducer used for telecommunication by a telephone installed in a motor vehicle or the like, including: a main body having a side surface to be contacted with an operator's head so as to detect vibrations of produced voice waves when they are tr... | 07/13/1993 |
| 5163957 | Ossicular prosthesis for mounting magnet A prosthesis for use with an intact ossicular chain to allow a magnet to be coupled to the ossicular chain, the magnet being moved by an electromagnetic induction hearing aid. The prosthesis has a body having a first groove which cooperates with the manub... | 11/17/1992 |
| 5070535 | Transcutaneous power and signal transmission system and methods for increased signal transmission efficiency A transcutaneous signal transmission system having coupling coil alignment tolerance and increased coupling efficiency includes an external transmitter and first tuned circuit including a first coupling coil and an implantable receiver and second tuned ci... | 12/03/1991 |
| 5047994 | Supersonic bone conduction hearing aid and method A supersonic bone conduction hearing aid that receives conventional audiometric frequencies and converts them to supersonic frequencies for connection to the human sensory system by vibration bone conduction. The hearing is believed to use channels of com... | 09/10/1991 |
| 5042084 | Three wire system for Cochlear implant processor A transmission system wherein a transmitter includes a first tuned circuit and a transmitter coil is part of a second tuned circuit. A coupling means couples energy between the first tuned circuit and the second tuned circuit. A three wire unshielded cabl... | 08/20/1991 |
| 5033999 | Method and apparatus for endodontically augmenting hearing An audiodontic device includes a transducer implanted in a dental post hole drilled into a root canal of a tooth, preferably a maxillary molar. The transducer imparts vibratory signals to the tooth in response to applied audio signals. A precision attachm... | 07/23/1991 |
| 5015225 | Implantable electromagnetic middle-ear bone-conduction hearing aid device An implantable electromagnetic middle-ear bone-conduction hearing aid device is provided which is characterized by being carried entirely in the skull of the user, the absence of electrodes entering the middle-ear, and variability to meet a variety of pat... | 05/14/1991 |
| 4982434 | Supersonic bone conduction hearing aid and method A supersonic bone conduction hearing aid that receives conventional audiometric frequencies and converts them to supersonic frequencies for connection to the human sensory system by vibration bone ocnduction. The hearing is believed to use channels of com... | 01/01/1991 |
| 4936305 | Shielded magnetic assembly for use with a hearing aid A shielded magnetic assembly for use in a magnetic hearing aid is described. The shielded assembly uses a disc-shaped magnet with a high permeability, low coercivity material placed on the face of the magnet away from the air gap. Preferably, the shieldin... | 06/26/1990 |
| 4918757 | Hearing aid headband support In a hearing aid support, an elongated adjustable headband surrounds the head from the forehead hairline in the vicinity of the ears to the nape of the neck. Strip forming slits in the headband at the predetermined position of the skull bone support a bon... | 04/24/1990 |
| 4840178 | Magnet for installation in the middle ear A magnet assembly for location around portions of bones in the middle ear where one portion of the assembly is a magnet and another portion of the assembly is a magnetic material, the portions being hinged to one another so that they are held around the b... | 06/20/1989 |
| 4813419 | Method and apparatus for communicating information representative of sound waves to the deaf A method and apparatus of communicating audio signals to the deaf is described. In accordance with the method described, electrical impulses characteristic of sound waves are applied either directly to the tactile sensory nerves by means of an implant or ... | 03/21/1989 |
| 4791673 | Bone conduction audio listening device and method A bone conduction personal audio listening device and method is worn behind one or both ears in substantially close contact with the mastoid bone of the listener. The device is maintained on the listener's ear by hooking over the top of the ear, by hookin... | 12/13/1988 |
| 4791620 | Tactile hearing aid A tactile hearing aid has electro-mechanical transducers which emit vibrations to the sense of touch of the skin surface for the transmission of signals. The transducers are small and lightweight and have low power consumption. The vibratory member is com... | 12/13/1988 |
| 4776322 | Implantable electromagnetic middle-ear bone-conduction hearing aid device An implantable electromagnetic middle-ear bone-conduction hearing aid device is provided which is characterized by being carried entirely in the skull of the user, the absense of electrodes entering the middle-ear, and variability to meet a variety of pat... | 10/11/1988 |
| 4774933 | Method and apparatus for implanting hearing device A bone conduction hearing device in the form of a magnetic disk is implanted and fastened to the temporal bone by a screw thread connection. Apparatus includes instruments for accurately drilling and tapping a hole in the temporal bone, and a wrench for t... | 10/04/1988 |
| 4728934 | Tactile stimulation device for hearing-impaired individuals An electro-acoustical transmitter converts electrical signals which correspond to acoustical events into mechanical vibrations which are transmitted onto the skin. The aim is to achieve a small vibrator which, insofar as possible, can be worn on the wrist... | 03/01/1988 |
| 4696287 | Transmission system for implanted hearing aids An implanted hearing aid for deaf patient having an intact auditory nerve includes an implanted receiver unit provided with a receiver coil surrounding patient's auditory channel. An external transmitter unit is electrically connected to a separate transm... | 09/29/1987 |
| 4652702 | Ear microphone utilizing vocal bone vibration and method of manufacture thereof This invention, directed to a displacement type bone vibration ear microphone possessing an electroacoustic transducer element planted in one of the end faces of a support member and a damper member formed so as to enclose therewith the electroacoustic tr... | 03/24/1987 |
| 4628907 | Direct contact hearing aid apparatus A direct contact hearing aid apparatus adapted to be mounted deep within the ear canal is disclosed, including an output electromechanical transducer for converting audio output signals into mechanical movement of an output coupling element without the pr... | 12/16/1986 |
| 4612915 | Direct bone conduction hearing aid device A direct bone conduction hearing aid device is disclosed and includes a sound processor for receiving sound and generating an amplified electromagnetic signal in response thereto. This signal is transmitted to a subcutaneously implanted vibration generati... | 09/23/1986 |
| 4611596 | Sensory prostheses A method and system for sensory prostheses are disclosed, particularly with respect to implanted auditory prostheses and implanted visual prostheses both of which function as artificial receptors. The method and system are utilized to provide prostheses t... | 09/16/1986 |
| 4606329 | Implantable electromagnetic middle-ear bone-conduction hearing aid device An implantable electromagnetic middle-ear bone conduction hearing aid device is disclosed which provides variability to meet a variety of pathological entities of the hearing impaired user. The device utilizes a sound processing component for converting s... | 08/19/1986 |
| 4498461 | Coupling to a bone-anchored hearing aid The present invention refers to a coupling intended for mechanical transmission of sound information from a vibration generating apparatus as a transmitter to the skull of a person with damaged hearing, including a first coupling part, for example directl... | 02/12/1985 |
| 4441202 | Speech processor A system for converting a speech signal into a data signal for controlling an implantable stimulation electrode array hearing prosthesis. An input speech signal is passed through three circuit arms, comprising filter circuits, zero crossing counter circui... | 04/03/1984 |
| 4419995 | Single channel auditory stimulation system Chronic auditory stimulation is achieved by establishing an electric field at the base of the cochlea whereby full speech patterns are imparted to a patient. Penetration of the cochlea is not required thereby reducing the risks in installing the implanted... | 12/13/1983 |
| 4403118 | Method for generating acoustical speech signals which can be understood by persons extremely hard of hearing and a device for the implementation of said method In the illustrated embodiments, the signals to be transmitted are converted into electrical signals and are divided by means of filters into a plurality of frequency bands. The envelopes of the signals coming out of the filters are then employed for the m... | 09/06/1983 |
| 4354064 | Vibratory aid for presbycusis The present invention comprises a frequency responsive tactile stimulator. Selected mid-frequency and high frequency components are extracted from an input audio signal by a bandpass filter (18) and a high-pass filter (20). The outputs of these filters ar... | 10/12/1982 |
| 4334315 | Wireless transmitting and receiving systems including ear microphones A wireless transmitting and receiving system includes an ear microphone of the vibration pick-up type for picking up bone-conducted voice signals through an external auditory ear canal wall of a wearer. A portable case is disposed adjacent the wearer's ea... | 06/08/1982 |
| 4289935 | Method for generating acoustical voice signals for persons extremely hard of hearing and a device for implementing this method In an exemplary embodiment, the signals to be transmitted are converted into electric signals and resolved into a multiplicity of frequency bands by means of filters. The signals coming from the filters are then employed for the modulation of tone signals... | 09/15/1981 |
| 4150262 | Piezoelectric bone conductive in ear voice sounds transmitting and receiving apparatus A voice sound transmitting and receiving apparatus suitable for the use under noisy circumstances and designed to be inserted into the external auditory canal of a user for attaining the voice sound transmitting and receiving operation using the vibration... | 04/17/1979 |
