37 results about "Bone conduction" patented technology

A portable terminal in provided. The portable terminal includes a body having a front surface, the front surface having an upper portion and a lower portion, a display unit located in the body and visible at the front surface thereof, the display unit having a first end and a second end, and at least one of the first end being adjacent the upper portion and the second end being adjacent the lower portion, and a speaker unit located in the body, the speaker unit including a bone conduction speaker.

The present invention relates to a communication terminal having a bone conduction function. To this end, the present invention provides a communication terminal having a bone conduction function equipped with a bone conduction vibration receiver / speaker (300) for converting a sound signal (electric signal) into a vibration, so as to enable sound reception from the entire front surface of the communication terminal when the communication terminal closely contacts the face, and having at least one thereof attached to the rear surface of an inner liquid crystal screen (401) or liquid crystal panel (402) of the communication terminal (example: smartphone, Galaxy Tab, Galaxy Phone, cellular phone, PDA, MP3, iPhone, iPad, walkie-talkie, et cetera) (400). Also, provided is a communication terminal having a bone conduction function, comprising a bone conduction vibration no-noise microphone (200) having at least one thereof attached to the inner top section of the communication terminal (example: smartphone, Galaxy Tab, Galaxy Phone, cellular phone, PDA, MP3, iPhone, iPad, walkie-talkie, et cetera) (400), for enabling transmission / reception of the voice of a person on the phone regardless of the surrounding noise using a bone conduction microphone function when the communication terminal closely contacts the face, and for converting minute vibrations into a sound signal (electric signal).

A mobile terminal includes a body having a front surface and a rear surface; a display unit formed on the front surface of the body; a frame disposed between the front surface and the rear surface, and configured to support the display unit; and a sound output device configured to transmit sound using bone conduction vibrations, and connected to the frame so as to transmit the vibration to the display unit.

The present invention discloses a preparation method for a chitosan-based porous scaffold with biological activity. According to the present invention, chitosan and inorganic micro / nanoparticles with biological activities are adopted as raw materials to prepare into slurry; a water-soluble aldehyde polysaccharide polymer is adopted as a cross-linking agent; a Schiff base cross-linking process and a freeze drying method are adopted to prepare a class of chitosan-based composite porous scaffold materials with biological activities, wherein porosities, pore sizes, mechanical properties, degradation performances, and bone conductions / bone inductions and the like can be regulated through the formula and the process conditions. According to the present invention, the porous scaffold provided by the present invention does not adopt harmful chemical cross-linking agents, and can not cause adverse effects to cells; with the cross-linked porous structure and a plurality of hydrophilic groups such as amino, carboxyl, hydroxyl and the like, the porous scaffold has high chemical stability in an aqueous phase with a wide pH range (pH range of 5-9), and has outstanding advantages of softness, high elasticity, swelling ratio of 30 times, and the like; the porous scaffold has advantages of imitation of natural bone extracellular microenvironment in aspects of the porous structure, the chemical composition, the surface chemistry and the like.

A bone conduction device, comprising: a sound input element configured to receive an acoustic sound signal; an electronics module configured generate an electrical signal representing said acoustic sound signal; and a transducer configured to generate motion of a mass component based on said electrical signal so as to generate one or more mechanical forces resulting in one or more of motion and vibration of a recipient's skull thereby causing sound perception, wherein one or more of the size and shape of said mass component is selectable at least partially based on a desired mechanical force to be generated by said transducer.

A portable terminal apparatus where a talking can be speedily switched to that using a bone conduction speaker even in the talking. In this device, an upper housing (101) has a cutout section (106) for clearing a step section (103). Installation sections (107) are arranged so as to set the cutout section (106) between them and are combined with a hinge provided in the step section (103). The upper housing (101) can be pivoted and folded relative to a lower housing (102). The lower housing (102) has a keypad (110) and also has the step section (103) formed higher by one step than a panel surface (112) of the lower housing (102). The step section (103) receives a bone conduction speaker (104) and has at its top section a vibration surface (105).

In a seat, a bass acoustic vibration transmission section and a treble acoustic vibration transmission section are arranged distinctively with respect to a seat occupant, such that those two acoustic vibration transmission sections are disposed independently of each other, thereby achieving both of the following two effects: an acoustic performance worthy of acoustic seat; and a seating comfort essentially required as a seat.A vibration conduction unit is provided, which comprises a combination of: one bass speaker; a support plate to which that one bass speaker is secured; and a network cushion member of three-dimensional structure arranged on an anterior surface of the support plate. Such vibration conduction unit is disposed and accommodated in a cut-out region defined in a seat padding to a predetermined extent of covering an area of seat back which corresponds to a lumbar part of seat occupant, whereas on the other hand, a pair of treble speakers are respectively provided in a pair of local areas of the seat padding which correspond respectively to left-side and right-side shoulder portions of seat back, such that each of those two local areas of seat padding has an opening defined therein, wherein the opening lies anteriorly of an output side of each of the two treble speakers.

The invention discloses a loudspeaker, which comprises a shell assembly, a diaphragm assembly and an upper cover. The upper cover is arranged above the diaphragm assembly; the upper cover and the diaphragm assembly are fixedly arranged inside an upper edge step of the shell; and the shell assembly comprises an upper edge step of the shell, a magnet yoke, a magnet, a magnetic conducting plate and an elastic structure which connects the upper edge step of the shell and the magnet yoke into a whole, wherein the magnet yoke has a groove structure; the magnet is arranged inside the groove; and the magnetic conducting plate is arranged above the magnet. The diaphragm assembly comprises an elastic sheet, a vibrating diaphragm and a coil, wherein the vibrating diaphragm is connected with an annular structure of the elastic sheet; and the coil is arranged at a curved surface junction of the vibrating diaphragm and is arranged inside the magnet yoke. Due to the arrangement of the elastic structure, the loudspeaker has the bone conduction characteristic, fulfills the aims of protecting the hearing of a user and producing perfect sound, and also has the advantages of simple and convenient manufacturing technology, high compatibility with conventional products, and easy replacement.

A mobile terminal includes a body having a front surface and a rear surface; a display unit formed on the front surface of the body; a frame disposed between the front surface and the rear surface, and configured to support the display unit; and a sound output device configured to transmit sound using bone conduction vibrations, and connected to the frame so as to transmit the vibration to the display unit.

A bone conductive speaker is downsized without causing any loss in efficiency, simple in construction low in cost, and comprises yoke (2), magnet (3) disposed in a central area of the yoke, and voice coil (4) wound on the magnet. The yoke has its peripheral area divided into a plurality of upright portions; of the upright portions, each of first ones (5) oppositely disposed from each other is provided with a first engaging means (9) in its upper surface; second engaging means (8) each corresponding to the first engaging means are provided in a vibrating plate (7). The vibrating plate is mounted on a lid portion of the housing in a manner such that the vibrating plate is disposed on the upright portions of the yoke and fixedly mounted by means of the second engaging means in a manner such that the vibrating plate floats in the housing.

A bone conductive sound generating device is provided and includes a sound generating mechanism and a fixing mechanism. The fixing mechanism is configured to act on the sound generating mechanism, such that the sound generating mechanism adheres to and fit with a back of an auricle of a user at least when the sound generating mechanism is in use. Accordingly, the present application may improve the sound quality of the bone conductive sound generating device, improving listening experience for the user.

The invention is a kind of guide glasses suitable for the blind based on the automatic positioning system, comprising: a frame (1), a lens (2), a camera (3), a control center (4), a positioning system (5), an information transmission device (6) ), headset (7), switch key (8), charging jack (9), headset jack (10), bone conduction earphone jack (11), speaker (12). It has the following functions: the positioning system (5) has its own positioning device to quickly locate the location of the blind; the control center (7) provides route guidance to the blind based on the road information in the database through voice recognition technology; the front end is equipped with a camera (3 ), identify obstacles in front and avoid obstacles; use bone conduction earphones to provide voice services to the blind. The invention has deep potential value and can better provide services and help for the blind.

The disclosed invention is based on hydroxyapatite, biocompatible glass and silicon, aiming to develop an improved bone substitute, which presents higher mechanical resistance, bioactivity and osteoregeneration, and susceptible of being used in several medical and surgical fields, with application in the treatment of bone disease caused by trauma or genetic factors, as osteoconductive support for cellular growth. The abovementioned bone substitute comprises hydroxyapatite, a biocompatible glass of the P2O5—CaO system in a percentage up to 10 wt % relatively to the hydroxyapatite weight, and a silicon source in a concentration up to 10 wt % relatively to hydroxyapatite and biocompatible glass weight. The preparation process of the disclosed bone substitute consists of liquid phase sintering of a homogeneous mixture of hydroxyapatite, biocompatible glass and silicon source preferentially within a temperature range of 1100-13500 C, which allows glass melting and fusion throughout hydroxyapatite structure leading to the occurrence of several ionic substitutions.

The invention discloses a mineralized bone tissue engineering scaffold. The mineralized bone tissue engineering scaffold comprises a porous polyester / amphiprotic ionized hydrogel composite scaffold and a calcium-phosphate mineralization material formed in the porous polyester / amphiprotic ionized hydrogel composite scaffold in situ, wherein the porous polyester / amphiprotic ionized hydrogel composite scaffold comprises a porous polyester bone scaffold and amphiprotic ionized hydrogel compounded in the porous polyester bone scaffold. The invention also discloses a preparation method of the mineralized bone tissue engineering scaffold. The composite scaffold is capable of carrying out efficient sustained release of bone growth factors, giving efficient bone conduction and bone induction performance to the surface of the overall scaffold, accelerating functional repair of bone defects under ultralow dosage of rhBMP-2 and improving the biological safety performance of the scaffold material.

A freely adjustable ergonomic bone conduction earphone rack and bone conduction earphone using the same are disclosed. The rack includes a head-mounted unit, ear-hung units and mounting units, where the ear-hung unit is respectively configured on the two ends of the head-mounted unit, and the mounting unit is coupled to the ear-hung unit; the mounting unit has a connection section in connection with the ear-hung unit and mounting section for the mounting of a bone conduction vibrator, where at least the connection section is a soft plastic body, and the mounting unit is configured to be adjustable freely multi-directional relatively to the ear-hung unit with the deformation of the connection section.

An earpiece for providing an audio signal to two ears of a user, includes an audio interface for providing the audio signal, a bone conduction speaker coupled to the audio interface for outputting an output signal, an adaptive filter with an adjustable impulse response to provide a filtered signal that once played to the second ear of a user, by an in-ear speaker, reduces an audio effect of the leakage signal on the second ear of the user, an in-ear speaker coupled to the audio interface for providing an in-ear audio signal to the second ear of the user, in response to the filtered signal and the second input signal, an in-ear microphone for sensing a sensed audio signal, and a processor for updating an impulse response of the adaptive filter in order to reduce a contribution of the leakage signal to the sensed audio signal.

An implantable magnetic transducer arrangement is described for a hearing implant in a recipient patient. An implant housing hermetically encapsulates an interior housing volume and is fixedly attached to skull bone beneath the skin of the patient. A magnetic transducer is located within the housing volume and includes multiple permanent magnets wherein adjacent magnets have opposite magnetic polarities, and one or more suspension elements that resiliently couple adjacent magnets to allow their relative movement. The magnetic transducer forms a coupled oscillating system with an external magnetic drive component above the skin of the patient to develop a mechanical stimulation signal to the implant housing for delivery by bone conduction of the skull bone as an audio signal to the cochlea of the patient.

Aspects of the present invention provide implants for augmentation, stabilization, or defect reconstruction of bone tissue, comprising a scaffold portion structured to provide shape to the implant, the scaffold portion comprising one or more of the following: one or more polylactic acid isomer; one or more polyglycolic acid isomer; and / or allogenic bone material, or similar compound.

The invention discloses a preparation method of high-dispersity nano-apatite. The high-dispersity nano-apatite is prepared through the following steps: reacting carboxylate cyclodextrin with calcium salt, adding inorganic phosphorous source, regulating pH value to about 10, heating and stirring to react for 3-6 hours at 30-90 DEG C, standing overnight, pouring the supernatant liquid, washing untilthe pH value is about 7, and washing for 2-3 times by using absolute ethyl alcohol thereby preparing the high-dispersity nano-apatite. The nano-apatite prepared through the preparation method disclosed by the invention not only has good dispersity in the hydrophilic solvent, but also can maintain high dispersity in a hydrophobic solution such as dichloromethane, so that the nano-apatite is expected to compound with different polymers in a high content so as to manufacture composite material with high bone conduction to be used as the orthopedics material.

The invention discloses an electronic device comprising a housing, an output module, a vibration module, a piezoelectric element, an imaging module and a receiving module. The output module comprisesa package shell, an infrared fill light, and a proximity infrared lamp. The package shell comprises a package substrate, and the infrared fill light and the proximity infrared lamp are packaged in thepackage shell and are carried on the package substrate. The piezoelectric element is combined with the vibration module and is spaced from the output module. The piezoelectric element is used for deforming when an electrical signal is applied to vibrate the vibration module. The imaging module comprises a camera shell and a lens module. The lens module is accommodated in the camera shell and corresponds to a light outlet through hole in the top surface of the camera shell. The receiving module is disposed at a first sub-top surface and comprises a proximity sensor and / or a light sensor. The integration degree of the output module is high, and the receiving module and the imaging module are set compactly, thereby saving the installation space of the electronic device; and the electronic device uses the piezoelectric element and the vibration module to realize bone conduction sound transmission, and effectively guarantee the privacy of call contents.

The invention discloses an electronic device, and the electronic device comprises an enclosure, an output module, a vibration module and a piezoelectric element. The output module comprises a packaging shell, an infrared lamp and a light-transmitting component. The packaging shell comprises a packaging substrate, the infrared lamp and the light-transmitting component are packaged in the packagingshell, and the infrared lamp is supported on the packaging substrate. The light-transmitting component is located on a light-emitting light path of the infrared lamp, and the light-transmitting component comprises a base body and a telescopic film. The base body is provided with a light-transmitting hole, and the telescopic film is accommodated in the light-transmitting hole. The telescopic film can deform under the action of an electric field and change an area of being shaded of the light-transmitting hole, and the infrared light emitted by the infrared lamp can emit out from the packaging shell with different field angles. The vibration module is mounted on the shell. The piezoelectric element is combined with the vibration module and spaced from the output module, and the piezoelectricelement is used for generating deformation while being applied with electric signals so as to enable the vibration module to vibrate. The electronic device realizes bone-conduction sound conduction through the piezoelectric element and the vibration module and can effectively guarantee privacy of call contents.

The present invention is a small device containing at least the following elements: a MEMS microphone, an amplifier, a microprocessor with audio frequency filters, a wireless transmitter, and a battery. The device may be placed behind the ear of the user on a bony protrusion of the skull and may be held in place by a variety of known methods, including adhesives such as spirit gum, adhesive tape, and a small circular adhesive bandage. The MEMS microphone detects sounds transmitted through the skull by bone conductance and the microprocessor analyzes the sounds to determine whether they are associated with a bruxism event. If so, data associated with the sounds are sent via the wireless transmitter to an external device. The data may be stored for later review by the user or medical professional, or may trigger a response such as an auditory or vibratory alarm.

The invention relates to the technical field of communication devices, and in particular, to a completely waterproof mobile phone, comprising a mobile phone main body, wherein the mobile phone main body comprises a housing back cover, a housing main screen is installed on the surface of the housing back cover, and a waterproof sealing ring is installed at a contact site of the housing main screenand the housing back cover to form a mobile phone shell; a PCBA main board is installed in the mobile phone shell, a rectangular notch is arranged in the middle of the left side of the PCBA main board, a battery is installed in the rectangular notch, and the battery is electrically connected with the PCBA main board through a conducting wire; the housing main screen is electrically connected withthe PCBA main board through a liquid crystal screen wire; and the completely waterproof mobile phone adopts wireless charging, piezoelectric ceramic sound wave vibration sensing type sound transmission, contact bone conduction type sound transmission and a Bluetooth earphone, and rejects a sound guide hole, a sound transmission hole, an audio port, a power switch key and a volume key on the traditional mobile phone, thereby greatly improving the waterproof performance.

Porous biocompatible composite biomaterial, useable as a drug delivery system or as spacer or as bone substitute, such as for example for filling bone lacunae or for substituting damaged parts of bone tissue, or for fixing prosthesis of various types, or for thickening bones weakened by illness such as osteoporosis or the like, including a component adapted to form a porous structural matrix and a soluble component, wherein the soluble component is in form of powder and granules or other similar agglomerates so as to have mechanical support characteristics and osteoinductive and osteoconductive characteristics in the entire volume occupied by the biomaterial, and a method for obtaining the biomaterial.

The invention provides a fetal heart and fetal education instrument with a Bluetooth function. The fetal heart and fetal education instrument comprises a shell and binding bands, wherein the shell isinternally provided with a containing cavity; a circular bulge is arranged on one side face of the shell, and the inner wall of the circular bulge is provided with two semi-circular vibration sensorsused for sensing fetal heart vibration; the other side face of the shell is an arc surface, and two bone conduction loudspeaker boxes are arranged on the arc surface; the containing cavity is internally provided with a power supply and a Bluetooth module; the Bluetooth module is used for sending fetal heart rate information, acquired by the vibration sensors, to an intelligent device, receiving music information of the intelligent device, and enabling the music information to be played by means of the bone conduction loudspeaker boxes; the binding bands are respectively positioned at the two sides of the shell, are connected with each other by means of a buckle, and are used for fixing the fetal heart and fetal education instrument on the abdomen of a user. The fetal heart and fetal education instrument with the Bluetooth function integrates functions of fetal heart rate monitoring and fetal education; one side of the fetal heart and fetal education instrument is used for measuring thefetal heart rate, the other side of the fetal heart and fetal education instrument is used for carrying out fetal education, and the two functions do not interfere each other, so that the fetal heartand fetal education instrument is very suitable for pregnant people.

The invention relates to the technical field of computers, in particular to wearable equipment. The wearable equipment provided by the invention comprises: a wearing part which is provided with a mounting through hole; the bone conduction vibration part that is arranged in the mounting through hole; the rotating shafts that are symmetrically arranged on two sides of the bone conduction vibration part and are used for rotatably fixing the bone conduction vibration part in the mounting through hole, wherein the bone conduction vibration part comprises the components of a housing which is provided with an opening; the vibration unit that is arranged in the shell; the limiting piece that is connected between the shell and the vibration unit and is used for fixing the vibration unit in the shell, so that the vibration unit is not in direct contact with the inner wall of the shell; and the elastic pad that is used for being in contact with the wearer, abuts against the vibration unit and blocks the opening. According to the wearable equipment provided by the embodiment of the invention, the bone conduction vibration part can be tightly attached to a wearer, the sound conduction effect is improved, and sound leakage is reduced.

The invention discloses an anti-gas anti-explosion mask, characterized by comprising a hood, a cappa, an air supply device and a communication device. The hood comprises a face shield and a head cover, and an air guiding tube facing the face shield penetrates from the back position of the hood; the air guiding tube is connected with a corrugated hose located outside the hood, and the corrugated hose is connected with the air supply device to realize micro-positive pressure air supply; the inside of the hood is provided with a two-way exhalation valve at the position of the temple; the cappa isof a double layer structure including an anti-gas layer and an anti-explosion layer; the upper part of the cappa is arranged inside the hood in a connection manner; the air supply device comprises amotor, a fan and a canister, the canister is internally provided with a smoke filter layer and a toxin filter layer; the communication device comprises a bone conduction earphone and an interphone, and an interference filtering device is arranged in front of the bone conduction earphone; a rechargeable battery is arranged in a package box, and the fan is sealed in the package box. According to theanti-gas anti-explosion mask provided by the invention, two functions of anti-gas and anti-explosion are integrated, and the anti-gas anti-explosion mask can be widely applied to chemical productionor other technical fields requiring anti-gas and anti-explosion.

An electrical network for driving electromagnetic bone conduction vibrator / transducer of variable reluctance type which is applied between the vibrator terminals and the power amplifier terminals so that the vibrator mechanical output is maximized in the mid and high frequencies.