302 results about "Air conduction" patented technology

A voice communication device such as an earpiece that provides for ultra short range transmission of voice sound information using ultra wide band (UWB) radio communications is disclosed. According to one embodiment of the present invention, a voice communication device includes a speaker, a bone conduction sensor for sensing voice sound vibrations, and an UWB transceiver operatively connected to the speaker and the bone conduction sensor. According to another embodiment of the present invention, a voice communication device is disclosed that includes an earpiece housing, a speaker operatively connected to the earpiece housing for transducing audio, an air conduction sensor operatively connected to the housing for sensing voice sound information, a processor electrically connected to the speaker and the bone conduction sensor and disposed within the earpiece housing, and an UWB transceiver operatively connected to the processor.

A mobile device includes an air conduction microphone and an alternative sensor that provides an alternative sensor signal indicative of speech. A communication interface permits the mobile device to communicate directly with other mobile devices.

Methods, apparatus and systems for treating sensrineural hearing loss include applying high frequency to ultrasonic frequency vibration stimulus to the head or neck of a patient for a suitable period of time. Hearing and sound discrimination are improved by stimulating the patient's cortices leading to stimulation of cortical neurons to increase sensitivity to high frequency sound. Stimulus signals may be applied by bone conduction via transducers attached to the head or neck, or by airborne conduction via headphones, or by a combination thereof. Stimulus signals may be recorded and may be remotely produced and transmitted via a telecommunications link to a receiver in a remote location. A compact auditory stimulation device includes electronics for storing a personalized stimulus signal, sound generators to produce the stimulus, a microprocessor, and a vibrator, such as headphones. Audiometer functions may be included in the auditory stimulation device to permit testing of the patient's hearing level thresholds.

A spheno-temporal bone conduction communication equipment and/or hearing aid includes a system device, a bone skin conduction oscillator and a carrier device for supporting said abovementioned devices. The carrier device has a structural body, and the structural body allows the supported bone skin conduction oscillator in close contact with the spheno-temporal bone. The bone skin conduction oscillator contains a transducer, and the transducer converts an electrical signal into an acoustic oscillating wave and transmits the acoustic oscillating wave into the inner ear via spheno-temporal bone, or receives an acoustic oscillating wave produced by vibration of the skull when speaking and converts it into an electrical signal. The equipment implements bone conduction transmission of the acoustic oscillating wave via spheno-temporal bone, and can be used in bone conduction speaker, bone conduction microphone, bone conduction multimedia device, bone conduction hearing aid device or bone conduction communication device. The equipment can be used with a nasal bone conduction device, can avoid the defect of much external noise when using air conduction mode and overcome shortcomings of the structure easy to slide and inconvenience to add the component when using commonly used bone conduction.

An ear ailment diagnostic device and method in accordance with the present disclosure generally comprises a pair of earpieces, which both further comprise a light source, a magnification lens, an air conduction channel and a miniature camera. The earpieces may optionally comprise a thermometer and/or tympanometer. Each earpiece is coupled to an air conduction tube, an insufflator and an electrical wiring/data tube which is coupled to a computer. The insufflator may be manually, electronically, or battery powered. In the preferred embodiment the computer comprises a smart phone with data processing capability and wireless communication capability. Any data sent from the device can then be interpreted and diagnosed in a remote location so that an accurate treatment is prescribed.

An hearing prosthesis configured to cancel received bone-conducted sound. The hearing prosthesis comprises: first and second matched microphones configured to be implanted in a recipient in a spaced arrangement such that the first microphone receives air-conducted sound signals and bone-conducted sound signals substantially simultaneously, and wherein the second microphone receives bone-conducted sound signals at substantially the same time as the first microphone and receives the air-conducted sound signals after a time delay. The time delay results in a relative phase difference between the air-conducted sound signals and the bone-conducted sound signals received by the second microphone. The prosthesis also comprises a noise cancellation system configured to cancel, based on the phase difference, the bone-conducted sound signals received by the first and second microphones.

Provided is a communication device that facilitates hearing even in an environment in which hearing of sound is difficult only with air conduction sound, and requires fewer components, facilitates implementation. The communication device 100 includes: a protecting panel 101 serving as a contact member disposed at a position at which at least a part of the contact member is brought into contact with a user's ear and/or a human body around the ear; and an transducer 111 surface joined to the protecting panel 101, and configured to vibrate in a frequency band of an audible range such that vibration is not conducted from the protecting panel 101 to an auditory organ of the user via bones of a skull of the user.

The present invention relates to a pure tone audiometer, and more particularly, to a pure tone audiometer with automated masking which is capable of automatically performing air-conduction and bone-conduction hearing tests and automatically performing a masking test, if necessary, so that a person obtains an accurate pure tone hearing threshold without others' assistance. The pure tone audiometer of the present invention can accurately perform the pure tone hearing test with automated masking without assistance from a doctor or an audiologist. Thus, with the pure tone audiometer, people can easily check their hearing ability for prevention and early detection of hearing loss and take swift action to cure hearing loss.

The invention discloses a bone conduction receiver with an air conduction effect. The bone conduction receiver comprises a shell, a vibrating diaphragm assembly, a conduction rod, an electromagnetic conversion device and a micro circuit board, wherein at least one through hole is formed on the shell; and at least one opening and closing device or a sound transmission tube of at least one sound transmission hole opening and closing device is arranged on the through hole. Moreover, the opening and closing device or the sound transmission hole opening and closing device comprises at least one cover plate, wherein the cover plate covers the through hole or a sound transmission hole of the sound transmission tube and is rotationally connected with the shell or the sound transmission tube. The application range of the bone conduction receiver can be enlarged, so that the listening of hearing handicapped is enriched, and the life of the hearing handicapped is also enriched; and the bone conduction receiver can be used for persons with normal hearing besides the hearing handicapped.

Headwear adapted to transmit personal auditory sound waves via bone conduction and methods pertaining thereto are described. A bone conduction apparatus includes one or more bone conduction oscillators detachably affixed to an article of headwear and adapted to receive electrical signals and transmit auditory sound waves via bone conduction. The oscillators are attached to the headwear such that they remain in substantially constant and consistent contact with the head when the article is worn by a user. Further, the bone conduction oscillators may be waterproof, substantially flat, and malleable such that the article can be worn comfortably during a range of physical activities and in a range of adverse environmental conditions while maintaining such contact. Likewise, the bone conduction apparatus as a whole can be comfortably worn in concert with other headwear including a complementary air conduction device (e.g. headphones).

The object is to provide a talking device, which employs a bone conduction speaker. The device is small in size, light in weight and excellent in fittingness. Further, the device enables its users to communicate with each other without suffering from any difficulty in hearing even in a noisy environment. The device uses a bone conduction speaker, and may also have an ornamental function to serve as a pendant during non-use of the device. The device comprises a bone conduction speaker (5), an air conduction microphone (6) and a wireless circuit. The device is capable of: fitting to the user's body; and, connecting to a cell phone (8) by wireless through the wireless circuit. Both the bone conduction speaker (5) and the wireless circuit are packed in a head portion (2) of the ornamental pendant.

The present invention discloses a non-air conduction speech enhancement method based on a multi-band spectral subtraction. Because of the noise in the radar-based non-air conduction speech is always colored and no uniform influence on the speech signals within the whole range of the frequency spectrum, the method divides the speech frequency spectrum in a targeted manner into five sections without overlapping; simultaneously, each section is provided with an individual spectral subtraction coefficient, so as to achieve the effectiveness and pertinence of the algorithm. The embodiment proves the non-air conduction speech enhancement method can effectively compensate the weakness of low pertinence in the traditional speech enhancement method; moreover, the method has the advantages of highly efficient implementation, simple algorithm and obvious effect. Therefore, the method has higher practical value and application prospects.

The invention relates to a portable hearing testing and hearing-aid testing and matching integrated system which is characterized by comprising a main body, a control unit arranged in the main body, a hearing test device connected with a phase circuit and a machine of the control unit, a hearing-aid testing and matching device, a wireless internet device and a remote expert database sharing device. The hearing test device comprises an internal hearing meter, a hearing-aid testing and matching program and an external hearing device. The hearing test device is used for inputting comprehensive hearings (sound signals of loudness decibels heard by the patient under different frequencies) of detected air conduction and bone conduction related to a hearing-aid worn by a patient and to the hearing-aid testing and matching device directly coupled with the hearing test device. According to the technical scheme, the portable hearing testing and hearing-aid testing and matching integrated intelligent system established on the basis of a notebook computer organically couples the internal hearing meter and the hearing-aid testing and matching program into a device so that the hearing testing environment and the hearing-aid wearing environment are completely coincident, meanwhile, the comprehensive hearings of the detected air conduction and the bone conduction are completely seamlessly input to the hearing-aid testing and matching, thus the actual use effectiveness of the hearing-aid is increased, the error that the general mute hearing testing environment is not coincident with the hearing-aid wearing environment is avoided, the time required for respectively carrying out hearing testing and the hearing-aid testing and matching is greatly reduced, and equipment cost and service cost are reduced.

Provided is an ear-hole open type sound reproducing apparatus which can obtain good sound quality over a wide band while adopting a bone conduction system. A first equalizer 303 removes a high range component which is difficult to be reproduced by a vibration speaker 301 and is hard to be conveyed by bone conduction. Then, the vibration speaker 301 outputs the sound over a low range to a middle range by bone conduction sound. By equalizing processing of the first equalizer 303, it is also possible to reduce sound leakage of the high range. On the other hand, a second equalizer 304 removes components over the low range to the middle range. Then, an air conduction speaker 302 outputs high quality sound of the high range component by air conduction sound.

A forced air warming unit has a casing that encloses a scroll housing with a curved inside surface. A blower is disposed in the scroll housing inside the curved surface. Inlet and outlet openings are provided in the casing. A circuit board is mounted in the casing, against the scroll housing so that the blower is enclosed in space between the scroll housing and the circuit board. At least one opening is provided through the circuit board into the space in which the blower is disposed. A tapered, elongate, arcuate heater plate is disposed in the scroll housing between the circuit board and the blower, with a relatively wide end near the outlet opening and a second, relatively narrower end near the curved inside surface. Air is conducted in response to operation of the blower through the inlet opening, along a first side of the circuit board through the one or more openings in the circuit board into the scroll housing. Air is also conducted in response to operation of the blower along a second side of the circuit board which faces the scroll housing, through air passages in the circuit board to and along the first side through the one or more openings, into the scroll housing. Air entering the scroll housing in response to operation of the blower is accelerated by the blower along the curved inside surface while being heated in response to operation of the heater plate. Heated, pressurized air exits the forced air warming unit through the outlet opening. Provision is made for connecting an air hose to the outlet opening for conducting the pressurized, heated air to a pneumatic, convective device.

The invention provides a production method of three-layer mesh cloth with concave-convex air conduction change mesh holes and the mesh cloth. The production method comprises the steps that a double needle bed knitting machine is used for weaving, 6 guide bars are arranged from a front needle bed to a back needle bed sequentially for weaving, wherein a first guide bar and a second guide bar are arranged on the surface layer, and a guide bar GB1 and a guide bar GB2 are in a yarn threading manner of 8 entries and 2 empty guides on a machine table; a third guide bar and a fourth guide bar are arranged on the connection layer, a guide bar GB3 is in a yarn threading manner of 5 entries and 5 empty guides on the machine table; a guide bar GB4 is in a yarn threading manner of 5 entries and 5 empty guides on the machine table; a fifth guide bar and a sixth guide bar are arranged on the bottom layer, and a guide bar GB5 and a guide bar GB6 are in a yarn threading manner of 1 entry and 1 empty guide and 1 entry and 2 empty guides on the machine table respectively. The mesh cloth produced with the mesh cloth production method has good breathability, hot air cannot flow backwards, the hot and cold air exchange problem can be solved, and the mesh cloth has a three-dimensional feeling, a concave-convex massage function and an unique visual effect.

A telephone with a receiver arousing bone-conduction and air-conduction hearing converts an input electric voice signal into vibration and acoustic signals. Since a conventional telephone has a receiver for only air-conduction hearing, a hearing impaired person cannot use the conventional telephone. In case of a bone-conduction telephone using a bone-conduction vibrator as a receiver, this vibrator is only used for bone-conduction hearing, so that an additional telephone is needed when the ordinary person and the hearing impaired person live in the same place. The telephone with a receiver arousing bone-conduction and air-conduction hearing uses a vibrator of smoothly arousing bone-conduction and air-conduction hearing as a receiver, is capable of hearing a vibration signal through bone-conduction hearing as well as an acoustic signal through air-conduction hearing, makes a hearing-impaired person with conductive hearing loss and an old person who has difficulty in air-conduction hearing use bone-conduction hearing, and makes an ordinary person having a normal sense of hearing use either bone-conduction hearing in a noise environment or air-conduction hearing in a normal environment.

The invention discloses a bone conduction and air conduction earphone. The bone conduction and air conduction earphone comprises a hollow shell (1) and a lead (7) for inputting electrical signals, wherein a pole piece (3) is arranged in the hollow centre of the shell; one end surface of the pole piece (3) sinks inward to form an accommodating space (31) in which a constant magnet (4) is arranged; one end of the shell is fixedly connected with the outer edge of an vibrating reed (2); the inner edge of the vibrating reed (2) is fixedly connected with the other end of the pole piece (3); a vibrating membrane (6) is fixed at the other end of the shell; the inner side of the vibrating membrane (6) is connected with a coil (5) which is embedded in a gap formed between the pole piece (3) and the constant magnet (4); gaps are reserved between the coil (5) and the constant magnet (4) and between the coil (5) and the pole piece (3); and the coil (5) is connected with the lead (7). The bone conduction and air conduction earphone can be used by normal people and deaf people.

Provided is a bone conduction speaker which is excellent in the quality of sound, capable of giving the listener an excellent feeling of volume because the listener can listen to both the bone conduction sound and the air conduction sound produced by the bone vibration and which can be used more safely even out of doors because the listener can listen to external sounds. A listening device using the speaker is also provided. The bone conduction speaker is characterized in that when the speaker is worn in the auricle, parts (4, 5, 6) of the body (1) of the speaker are in contact with the entrance portion of the external auditory canal and/or the periphery of the entrance portion and that the sound pressure produced when the entrance portion of the external auditory canal and/or the periphery of the entrance portion vibrate because of the vibration transmitted from the contact portion can reach the drum through the external auditory canal.

The invention relates to a bone conduction hair clasp. The bone conduction hair clasp comprises flexible and ductile horseshoe-shaped hair clasp body, a sound absorption cotton layer, a fabric wrapping layer, a decorating layer, at least two bone conduction oscillators, at least two sound leak prevention buffers, at least two sponge covers, at least one air conduction microphone, at least one bone conduction microphone, a circuit mainboard, a rechargeable battery and a one-to-multiple sound frequency power divider. The one-to-multiple sound frequency power divider is connected with the circuit mainboard on the outer side of the hair clasp body and the bone conduction oscillators on the inner side of the hair clasp body, and the bone conduction oscillators are connected with a port of a bone conduction oscillator driver on the circuit mainboard through the one-to-multiple sound frequency power divider. The bone conduction hair clasp achieves functional diversification, can be implemented in a wireless connection or wired connection mode, solves the problems of sound leak and ambient noise interference, achieves high-quality bone conduction sound frequency, simplifies circuit design, lowers cost and energy consumption, has the intelligent personal assistant function and achieves friendlier interaction with a user.