Class 381/326 - Non-air-conducted sound delivery

Subclass of Class 381 - Electrical audio signal processing systems and devices
Definition: Subject matter in which sound is conducted to the inner
No. of patents: 148
Last issue date: 11/10/2009

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Number	Title	Issue Date
6488616	Hearing aid transducer support A support for input and output transducers of a hearing aid is implanted in the middle ear. The support, which is attached to the mastoid bone, can be a single component or comprise two adjustable components. In one embodiment, an arm extends from the pro...	12/03/2002
6463157	Bone conduction speaker and microphone A bone conduction microphone and speaker mountable in contact with a user's head or head area, each utilize a strategically mounted audio transducer that is preferably a piezoelectric ceramic bender. In the case of the speaker, the bender is coupled to an...	10/08/2002
6415034	Earphone unit and a terminal device The scope of the present invention is an earphone unit (11) to be mounted either on external ear (18) or in auditory tube (10), in which unit both a speech registering microphone (13) and a speech reproducing ear capsule (12) have been placed. The earphon...	07/02/2002
6408081	Bone conduction voice transmission apparatus and system A voice sound transmitting unit having an earpiece that is adapted for insertion into the external auditory canal of a user, the earpiece having both a bone conduction sensor and an air conduction sensor. The bone conduction sensor is adapted to contact a...	06/18/2002
6389140	Ceramic piezoelectric type microphone A ceramic piezoelectric type microphone includes a lower cover and an upper cover, and a receiving space confined by the lower and upper covers when they are connected. A signal wire is led in the receiving space via an extension portion of the lower cove...	05/14/2002
6381336	Microphones for an implatable hearing aid A implantable sealed microphone (50) includes a diaphragm (52) having a thin central region (54) surrounded by a thicker rim (56). One side of sheet electret material (72) is bonded to the diaphragm (52) while the other side contacts a roughened plate (82...	04/30/2002
6141427	Bone-conduction speaker A yoke 1 having a center magnetic pole 2 around which a voice coil is wound is provided, the yoke 1 is extended in four directions, magnets 4 are disposed on two parts 7 and 7 facing to each other among the extensions, respectively, and diaphragm fixing s...	10/31/2000
6137889	Direct tympanic membrane excitation via vibrationally conductive assembly A device to be worn in the ear of a subject provides a direct vibrational drive to the tympanic membrane through a vibrationally conductive assembly which couples vibrations from a vibratory transducer positioned within the ear canal proximal to the tympa...	10/24/2000
6118882	Communication method Audio apparatus comprises a base unit including circuitry for generating electrical signals representing sounds and at least one earphone adapted to receive the electrical signals and to reproduce sounds represented by the signals, in which the apparatus ...	09/12/2000
6115477	Denta-mandibular sound-transmitting system A device for transmitting sound waves between a signal source and a user's ears, wherein the sound waves bypass the air. The invention generally comprises a signal source configured to produce signals representative of sound, and a sound-transmitting elem...	09/05/2000
6094492	Bone conduction voice transmission apparatus and system A voice sound transmitting unit having an earpiece that is adapted for insertion into the external auditory canal of a user, the earpiece having both a bone conduction sensor and an air conduction sensor. The bone conduction sensor is adapted to contact a...	07/25/2000
6084975	Promontory transmitting coil and tympanic membrane magnet for hearing devices In a hearing system, a transmitting coil is positioned on the promontory centered medial to the umbo of the tympanic membrane while securing the magnet to a surface of said tympanic membrane or to the manubrium of the malleus. The system does not require ...	07/04/2000
5949895	Disposable audio processor for use with implanted hearing devices A disposable audio processor for use with implanted hearing devices is provided. The audio processor may include a microphone, application specific integrated circuit performing both signal processing and signal modulation, a battery, and a coil. The audi...	09/07/1999
5859916	Two stage implantable microphone Two stage implantable microphone devices suitable for use in hearing systems are provided. An implantable microphone device may include a housing including a diaphragm with the housing and diaphragm enclosing a chamber; a microphone coupled to the housing...	01/12/1999
5836863	Hearing aid transducer support A support for input and output transducers of a hearing aid is implanted in the middle ear. The support, which is attached to the mastoid bone, can be a single component or comprise two adjustable components. In one embodiment, an arm extends from the pro...	11/17/1998
5790684	Transmitting/receiving apparatus for use in telecommunications A transmitting/receiving apparatus for use in telecommunications is provided which makes the user hand-free and is free from such inconveniences as difficulty in utterance and howling and crosstalk between an earphone and a microphone, and which includes:...	08/04/1998
5784478	Audible environment awareness restoring device An audible environment awareness restoring device allows a person to perceive, through his sense of touch, audible sounds corresponding to the human voice. A bone conduction speaker or transducer is mounted against a person's body, preferably against the ...	07/21/1998
5778079	Skin touch-controlled piezoelectric microphone A skin touch-controlled piezoelectric microphone which includes a housing having a thin bottom side that admits vibrating waves from the user's skin when the user talks, a metal base plate mounted in the housing and having a negative signal electrode cont...	07/07/1998
5757934	Transmitting/receiving apparatus and communication system using the same A transmitting/receiving apparatus to be used as fitted into an external auditory meatus is provided which ensures less inclusion of noise and less possibility of howling and allows the user to hear the voice of the communication partner clearly, and whic...	05/26/1998
5757935	Audio listening device for the hearing impaired An audio listening device includes a circuit for amplifying sound source signals and a mechanism including a bone conduction vibrator transforming an output signal of the amplifying circuit into a vibration. A vibration source transforms the output of the...	05/26/1998
5460593	Method and apparatus for imparting low amplitude vibrations to bone and similar hard tissue Vibrations for application to hard living tissue, such as bones, teeth, etc., are derived from a magnetostrictive element disposed in a varying electromagnetic field to create dimensional variations in the magnetostrictive element. In an audiodontic vibra...	10/24/1995
5456654	Implantable magnetic hearing aid transducer An electromagnetic transducer for improving hearing in a hearing impaired person comprises a magnet assembly and a coil secured inside a housing which is fixed to an ossicle or a middle ear. The coil is more rigidly secured to the housing than the magnet....	10/10/1995
5455842	Method and apparatus for underwater communication Waterborne acoustic signals are received and processed into electrical driver signals to energize a transducer held in selectively controllable vibration-transmitting engagement with a tooth of an underwater diver. The transducer converts the electrical s...	10/03/1995
5447489	Bone conduction hearing aid device This invention provides a hearing aid of the kind which has a transmitter element and a receiver-transducer element having a vibrating element. The receiver element is suitable for being placed, preferably movably, in the mouth of the user. The receiver e...	09/05/1995
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

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Class 381/326 - Non-air-conducted sound delivery