Class / Patent application number | Description | Number of patent applications / Date published |
381162000 | Detail of mechanical vibration coupling to transducer (e.g., tuned vibrating element) | 61 |
20090232333 | AUDIO OUTPUT APPARATUS AND VIBRATOR - An audio output apparatus is provided. The audio output apparatus includes: a vibration member, a vibrator, a vibrator positioning unit, and a vibrator-depth positioning unit. The vibration member vibrates to output a sound. The vibrator is in contact with the vibration member and detachably attached thereto to allow the vibration member to vibrate in response to an input audio signal. The vibrator positioning unit controls a contact position between the vibrator and the vibration member. The vibrator-depth positioning unit adjusts a position of the vibrator in the direction of being pressed against the vibration member and brought into contact with the vibration member. | 09-17-2009 |
20100020991 | DIAPHRAGM OF MEMS ELECTROACOUSTIC TRANSDUCER - A diaphragm of an MEMS electroacoustic transducer including a first axis-symmetrical pattern layer is provided. Because the layout of the first axis-symmetrical pattern layer can match the pattern of the sound wave, the vibration uniformity of the diaphragm can be improved. | 01-28-2010 |
20100098271 | MEMBRANE OR MEMBRANE CONFIGURATION FOR AN ELECTRODYNAMIC SOUND TRANSDUCER, AND LOUDSPEAKER COMPRISING SUCH A MEMBRANE OR MEMBRANE CONFIGURATION - A membrane for an electrodynamic sound transducer, particularly a membrane for an AMT loudspeaker, has a meandering shape and is disposed in an air gap between two pole plates. The membrane has a plurality of opposite flanks and a plurality of wave crests and/or wave troughs. In order to avoid parasitic oscillations, at least one supporting element is provided which stabilizes the position and/or the orientation of at least one wave crest and/or wave trough. | 04-22-2010 |
20100232629 | SOUND VIBRATOR HAVING TUNING FORK - A sound vibrator having tuning fork has developed, which is comprising a coil for receiving a sound signal from exterior to generate a magnetic force, a magnet for interacting with the magnetic force generated by the coil, a basket for accommodating the magnet, a face plate for transmitting up-and-down movement of the coil or the magnet to skin, and a tuning fork type band having an end contact to the magnet and the other end contacting to the coil for receiving vibration or sound generated by the magnet and the coil for simultaneously outputting the vibration and sound. | 09-16-2010 |
20110123051 | Distributed Mode Speaker for Mobile Devices - A mobile communication device includes first and second housing sections movably connected so as to move relative to one another between open and closed positions. The first and second housing sections each include protected surfaces that overlap when the first and second housing sections are in the open position. A distributed mode speaker is disposed on one of the protected surfaces to protect the distributed mode speaker from damage. | 05-26-2011 |
20110255715 | MULTIFUNCTIONAL MICRO-SPEAKER - An integrated multifunctional micro speaker including a speaker frame having an upper portion (an outer portion) that is configured by a moving voice coil type speaker and a lower portion (an inner portion) that is configured by a moving magnet and weight type vibrator supported by a suspension, thereby reproducing a sound and a vibration. The multifunctional micro speaker includes a cylindrical speaker frame; a yoke having an end fixed to the cylindrical speaker frame; a speaker magnet fixed onto the yoke; a speaker plate fixed onto the speaker magnet; a diaphragm having an outer circumferential surface supported against the cylindrical speaker frame; a voice coil that is attached to the diaphragm so as to be disposed in a space formed between the speaker plate and the yoke; a suspension fixed to a lower portion of the speaker frame; a cylindrical weight attached to a central portion of the suspension; a lower plate attached onto the cylindrical weight and having the same shape as the cylindrical weight; a vibrator magnet attached onto the lower plate and having the same shape as the lower plate; an upper plate attached onto the vibrator magnet and having the same shape as the vibrator magnet; and a vibrator coil attached to the yoke. | 10-20-2011 |
20110305355 | VIBRATION DIRECTION CONVERTER PART FOR SPEAKER DEVICE AND SPEAKER DEVICE - A vibration direction converter part for speaker device direction converting a vibration of a voice coil supporting part supporting a voice coil, and vibrating a diaphragm in the direction different from the direction of the vibration of the voice coil supporting part, has a rigid link part angle-variably and obliquely disposed between the voice coil supporting part and the diaphragm, and hinge parts formed at both end parts of the link part. The hinge part is formed with a bendable continuous member continuing between both side parts across the hinge part. | 12-15-2011 |
20120057728 | PIEZOELECTRIC ACOUSTIC TRANSDUCER - A piezoelectric speaker ( | 03-08-2012 |
20120128183 | SPEAKER - A speaker includes a ring-shaped vibrating member fixed to an internal support body at an internal peripheral edge, and a bobbin attached to an external peripheral edge thereof. A voice coil is attached to the bobbin and is located in a magnetic gap. A ring-shaped control member faces a front portion of the vibrating member, and a sound pass space is formed at an external peripheral side of the control member and at an internal peripheral side thereof. When listening to the speaker from a diagonal location, treble sound waves generated from the left side area are perturbed by the control member so as to prevent interference from sound waves generated from bilaterally separated areas, which prevents a decrease of treble sound pressure levels. | 05-24-2012 |
20120308054 | SPEAKER SET FOR PORTABLE ELECTRONIC DEVICE - An exemplary speaker set includes a shell and a speaker. The shell includes a bottom cover and a top cover engaging with the bottom cover. The bottom cover and the top cover cooperatively define a resonance chamber therebetween. The bottom cover defines a through hole therein. The top cover defines a mounting hole corresponding to and communicating with the through hole. The speaker includes a vibration part and a magnetic part driving the vibration part. The vibration part is inserted the mounting hole and engages with the top cover. The magnetic part is inserted the through hole and intimately engages with the bottom cover. | 12-06-2012 |
20120314887 | VIBRATION UNIT OF SPEAKER - An exemplary vibration unit of a speaker includes a diaphragm and a coil connected to the diaphragm. The coil includes a main body, and a lead-out wire extending from a periphery of the main body. The lead-out wire includes a first segment extending from the periphery of the main body and being tangential to the main body, and a second segment extending from the first segment. The first and second segments are adhered to the diaphragm. | 12-13-2012 |
20130058508 | DRIVER UNIT AND EARPHONE DEVICE - Provided is a driver unit including an acoustic conversion unit; and a housing body in which the acoustic conversion unit is housed, and in which an opening is formed. The acoustic conversion unit includes a pair of magnets arranged to face each other, a coil to which an input signal is supplied, an armature at which a vibrating part passing through the coil and arranged between the pair of magnets is formed, and a vibrating plate connected to the armature. A size of the opening is larger than 40 μm and smaller than 100 μm. | 03-07-2013 |
20130070942 | ACOUSTIC TRANSDUCER, AND MICROPHONE USING THE ACOUSTIC TRANSDUCER - An acoustic sensor includes: a semiconductor substrate; a vibrating membrane, formed above the semiconductor substrate, which includes a vibrating electrode; and a fixed membrane, formed on an upper surface of the semiconductor substrate, which includes a fixed electrode, the acoustic sensor detecting an acoustic wave according to a change in capacitance between the vibrating electrode and the fixed electrode. The fixed membrane has a plurality of sound hole portions formed therein in order to allow the acoustic wave to reach the vibrating membrane from outside, and the fixed electrode is formed so that a boundary of an edge portion of the fixed electrode does not intersect the sound hole portions. | 03-21-2013 |
20130170674 | MOVING IRON UNIT FOR LOUDSPEAKERS - This invention provides a moving iron unit for loudspeakers, which includes coil, iron core, diaphragm, and magnet, among which, the iron core is disposed in the coil, and the magnet is connected to the diaphragm on a transmission basis. It is characterized in that it also includes vibrating ring, to which the magnet is secured, and which is secured to the inner wall of a shielded cavity through its elastic body disposed radially, and which is connected to the diaphragm on a transmission basis through the transmission rod. Further, the unit comprises two diaphragms, which are disposed symmetrically at two sides of the vibrating ring and connected respectively to the vibrating ring on a transmission basis through a transmission rod. The coil is shaped directly by coiling on the iron core. | 07-04-2013 |
20130230196 | OSCILLATORY WAVE MOTOR AND SOUND GENERATION DEVICE USING OSCILLATORY WAVE MOTOR AS DRIVE SOURCE - The present invention addresses the problem of increasing the lifetimes of an oscillatory wave motor and a sound generation device using the oscillatory wave motor as a drive source, and proposed the structure and mechanism for integrally increasing the lifetimes of the oscillatory wave motor and the sound generation device using the oscillatory wave motor as the drive source. To maintain the drive performance of a drive unit, the drive unit is provided with a core sheathing structure, with the result that the drive unit is prevented from breaking and being damaged, and even if the entire drive unit is worn down, an intrinsic drive unit member serving as a core portion keeps the same drive area, so an initial drive feature is maintained. The descending order of a wear resistance of the members is the drive unit core material, a moving unit, and a drive unit sheathing material. In the oscillatory wave motor including a second drive mechanism, when performing an original operation of the oscillatory wave motor, a driven area on the moving unit is relatively drifted at the same time. | 09-05-2013 |
20130259272 | Damper of a Voice Coil Plate for a Plate Speaker - The present invention relates to a plate speaker, and more particularly, to a guide damper intended for a plate speaker and made of a flexible synthetic resin material. The guide damper for a voice coil plate for a plate speaker includes: a coil plate bonding part made of a flexible synthetic resin material and having an integrated structure, wherein the coil plate bonding part has a groove in the lengthwise direction thereof such that the voice coil plate is seated on the central portion thereof; an outer frame having a closed loop shape and adhering to a base frame defining the outer shape of the plate speaker, wherein the outer frame defines the outer shape of the damper; and a damper bridge connecting each of the left and right sides of the coil plate bonding part to the outer frame, wherein the damper bridge provides damping between the coil plate bonding part and the outer frame. | 10-03-2013 |
20130294622 | ACOUSTIC TRANSDUCER - Provided is an acoustic transducer including: a semiconductor substrate; a vibrating membrane provided above the semiconductor substrate, including a vibrating electrode; and a fixed membrane provided above the semiconductor substrate, including a fixed electrode, the acoustic transducer detecting a sound wave according to changes in capacitances between the vibrating electrode and the fixed electrode, converting the sound wave into electrical signals, and outputting the electrical signals. At least one of the vibrating electrode and the fixed electrode is divided into a plurality of divided electrodes, and the plurality of divided electrodes outputting the electrical signals. | 11-07-2013 |
20140029772 | LOAD-RESISTING STRUCTURE OF MULTIFUNCTIONAL VIBRATION ACTUATOR - (Problem) Provided is a multifunctional vibration actuator capable of improving load resistance while maintaining high impact resistance and high space-saving provided according to a thin profile. | 01-30-2014 |
20140037114 | FLAT TYPE SPEAKER HAVING VIBRATION-LEAD PLATE ATTACHED ON TOP OF VIBRATION PLATE - The present invention relates to a flat type speaker, and more particularly, to a flat type speaker of a vibration-lead plate of a voice coil plate, improving the quality deterioration due to the reduction of production process and the disconnection of a lead wire, by being attached to the top of a voice coil plate, increasing vibration efficiency, and eliminating the lead wire connection of the voice coil. The flat type speaker of a vibration-lead plate of a voice coil plate according to the present invention comprises: a pair of magnetic bodies having a magnet and a yoke formed side by side, separated at a predetermined interval; a voice coil plate inserted in the space between the magnetic bodies, and having formed thereon a voice coil with a spiral pattern printed thereon; a vibration-lead plate having a first vibration-lead plate and a second vibration-lead plate, which are physically separated, each having +, − terminals formed on the front ends thereof, wherein the first and the second vibration-lead plates are each equipped with a coil plate spline, which adheres to the upper end of the voice coil plate, and at least one wing spline having one end thereof connected to the coil plate spline and the other end connected to the + or − terminals; and a vibration plate, which vibrates from the vibration received from the voice coil plate, while being contacted to the upper end portion of the vibration-lead plate. | 02-06-2014 |
20140056446 | Micro-Speaker - A micro-speaker includes a vibrating unit including a diaphragm and a voice coil, and a magnetic circuit unit supporting the diaphragm. The diaphragm includes a position portion serving as an edge of the diaphragm. The magnetic circuit unit includes a base board, a first magnetic conduction member disposed at a central portion of the base board, a second magnetic conduction member around the first magnetic conduction member, and a magnetic gap formed by the first and second magnetic conduction members. A projection of the diaphragm along the vibration direction on the base board is within an outline of the base board. The micro-speaker has no frame or any structure with a frame configuration, which makes the magnetic circuit unit enlarge for providing improved performance. | 02-27-2014 |
20140056447 | Speaker - A speaker includes a vibrating unit, a gasket and a magnetic circuit unit. The vibrating unit includes a diaphragm, and a voice coil electrically connecting to the elastic plate. The gasket supporting the position portion of the diaphragm includes a number of slots serving as air leaking holes for communicating interior of the speaker with exterior space. The combination of the diaphragm and the gasket is mounted to and positioned by the magnetic circuit unit. A projection of the diaphragm on the magnetic circuit unit is disposed within an outline of the magnetic circuit unit. The speaker has no frame or any structure with a frame configuration, which makes the magnetic circuit unit larger and more powerful. | 02-27-2014 |
20140072149 | AUDIO VIBRATION EXCITER - An audio resonance vibrator includes a yoke defining a bottom and a sidewall extending vertically from the bottom, an elastic frame cooperatively with the yoke forming a housing defining a receiving space, a magnet disposed on the bottom of the yoke cooperatively with the sidewall of yoke forming a magnetic gap, a vibrating unit accommodated in the receiving space defining a vibrating plate and a coil assembly connected with the vibrating plate. The coil assembly is at least partially received in the magnetic gap, and the vibrating plate is positioned on the elastic frame. The audio resonance vibrator further includes an elastic member interposed between the magnet and the vibrating plate to support the magnet. | 03-13-2014 |
20140079253 | Suspension and speaker using same - Disclosed is a speaker having a suspension. The suspension includes a vibrating arm having at least a pair of layer structures and an insulating layer sandwiched between the two layer structures. Each layer structure has a foil signal transmission layer, a hardness reinforcement layer and a glue layer for connecting the foil signal transmission layer with the hardness reinforcement layer and a conductive portion for electrically connecting the foil signal transmission layers of each of layer structures. The suspension of the disclosure can prevent the signal layer from being broken. The suspension disclosed has at least two layer structures, which makes the signal transmitted in each layer structures at the same time, even if one of the layer structures is broken, the rest of the layer structures can still be working. | 03-20-2014 |
20140093106 | Diaphragm - A diaphragm includes a central portion and an edge portion surrounding the central portion and smoothly connecting with the central portion. The edge portion has a main curved portion which is convex forward in the vibrating direction and a first side curved portion continued to an inner periphery of the main curved portion and connected with the central portion. The first side curved portion is convex backward in the vibrating direction. The rigidity of the diaphragm can be increased, without sacrificing the acoustic characteristics and reducing the size of the diaphragm. | 04-03-2014 |
20140105427 | SPEAKER DEVICE - A speaker device includes a voice coil, a lead wire configured to be pulled out of the voice coil, a vibrating body connecting to the voice coil, a magnetic circuit comprising a yoke, and a frame that supports the vibrating body. The yoke includes a bottom portion including a plurality of corners and a side portion extending toward the vibrating body from one side of the bottom portion. The lead wire is configured to pass through a space that is outside of and next to the side portion of the yoke and between the frame and the vibrating body. The lead wire is configured to pass above a cutout of the yoke and bend toward and through the space. | 04-17-2014 |
20140119576 | Piezoelectric Speaker - A piezoelectric speaker that includes a configuration in which a first piezoelectric speaker and a second piezoelectric speaker are respectively arranged adjacent primary surfaces of a plate-shaped base member. The first piezoelectric speaker and the second piezoelectric speaker have the same arrangement, and respective individual piezoelectric elements thereof are arranged so as to correspond to each other when viewed from the direction orthogonal to the primary surfaces of the base member. The first and second piezoelectric speakers include a piezoelectric polymer sheet and electrode patterns of substantially the same shape on both surfaces of the polymer sheet. According to this arrangement, plural individual piezoelectric elements are aligned with each other. A single type of acoustic driving signal is supplied to these plural individual piezoelectric elements in a synchronized manner. | 05-01-2014 |
20140119577 | Diaphragm - A diaphragm is disclosed in the invention, which comprises a one-piece diaphragm body and a plurality of mass blocks mounted on the diaphragm body. Each of the mass blocks substantially has the same radial distance from the center of the diaphragm. The mass blocks are divided into three or more arrays each of which includes one or more mass blocks. the arrays are distributed along the circumference direction of the diaphragm body, and the mass blocks in each array are distributed along the circumference direction of the diaphragm. The mass blocks are elastic and made of materials with internal damping, such as rubber, silicone or foam rubber. At least one of the mass blocks is connected to an annular roll fixed on the peripheral edge of the diaphragm body, and the mass blocks are bonded to the diaphragm body. | 05-01-2014 |
20140119578 | VIBRATION MODULE FOR SOUND TRANSDUCER - The present invention relates to a vibration module for a sound transducer and, more particularly, to a vibration module for a sound transducer which can prevent sound leakage by minimizing contacts between a diaphragm and a voice coil. The vibration module for the sound transducer according to the present invention comprises: a substrate having an inner portion and an outer portion, an electrical connection portion for applying electrical signals to a voice coil being provided on the inner portion and a terminal being provided on the outer portion, for performing electrical connection between the electrical connection portion and the terminal; a first diaphragm attached between the inner portion and outer portion of the substrate; and the voice coil mounted on the inside of the inner portion of the substrate with a certain distance from the first diaphragm and electrically connected to the electrical connection portion. | 05-01-2014 |
20140119579 | ELECTROMECHANICAL-ELECTROACOUSTIC TRANSDUCER WITH LOW THICKNESS AND HIGH TRAVEL RANGE AND RELEVANT MANUFACTURING METHOD - An electroacoustic transducer has a ring-shaped magnetic assembly that generates a magnetic field, an elastic suspension connected to the magnetic assembly, a support connected to the elastic suspension and supporting a coil adapted to move in the magnetic field generated by the magnetic assembly, and an acoustic membrane connected to the support of the coil in order to vibrate and emit a sound. The magnetic assembly has a thin housing and support structure made of non-magnetic material, and a plurality of magnets with magnetic axis (A) and axial anisotropy, said magnets being disposed side by side, inside said thin housing and support structure that acts as bearing structure for the transducer and as containment structure for the magnets. | 05-01-2014 |
20140140543 | Micro-electroacoustic Device - A micro-electroacoustic device includes a holder forming a hollow space, a magnetic system received in the hollow space, a vibrating system having a diaphragm and a coil driving the diaphragm for vibrating along a vibrating direction. The diaphragm is assembled with the holder and has an upper edge portion and a lower edge portion connected with the upper edge portion and assembled with the holder. The upper edge portion has a protruding part protruding away from the magnetic system and the lower edge portion has a recessed part recessed towards the magnetic system for supporting the voice coil evenly. | 05-22-2014 |
20140153749 | MAGNETIC YOKE USED FOR A MOVING-IRON MICROPHONE/TRANSDUCER - The invention provides a magnetic yoke used for a moving-iron microphone/transducer, which comprises an inner through hole, an enclosed soft magnet and two end surfaces orthogonal to the enclosed soft magnet. The magnetic yoke is one-piece configured, the outer peripheral surface of the soft magnet and the inner through hole respectively is used for connecting with an armature and a magnetic piece of the microphone/transducer, and one of the two end surfaces is used for connecting with an induction coil of the microphone/transducer, to form a vibrating/transducing drive mechanism. The manufacturing process of the magnetic yoke comprises forming a tube by drawing process and cutting the tube. | 06-05-2014 |
20140185839 | SUSPENSION STRUCTURE OF MULTI-FUNCTIONAL TYPE VIBRATION ACTUATOR - Provided is a multi-functional type vibration actuator capable of stabilizing a vibration characteristic and improving variation in a resonance frequency by matching vibration waveforms when increasing/reducing an input signal frequency, by using a frame-shaped suspension of a polygonal shape. A spring characteristic of the frame-shaped suspension may be improved by forming J-shaped structures which is formed by connecting an extension portion and an arc, on all corner portions of the frame-shaped suspension of the polygonal shape, whereby reducing variation in a vibration waveform and a resonance frequency when sensible vibration is generated. | 07-03-2014 |
20140233766 | FLAT-TYPE SPEAKER HAVING A PLURALITY OF CONSECUTIVELY CONNECTED MAGNETIC CIRCUITS - The present invention relates to a flat-type speaker, and more particularly, to a flat-type speaker in which a plurality of magnetic circuits are consecutively connected in series or in parallel so as to constitute one speaker. In the flat-type speaker in which the plurality of magnetic circuits are consecutively connected, two or more voice coil plates, on each of which voice coils are printed, are successively arranged, and two or more vibrating-reed plates in the form of a thin film are arranged on the upper ends of the two or more voice coil plates, respectively, such that said vibrating-reed plates are electrically isolated from each other. Also, said voice coils and said two or more vibrating-reed plates are electrically connected together. | 08-21-2014 |
20140254839 | Acoustic Apparatus - An acoustic apparatus includes a vibration part configured to generate an acoustic vibration, a tube having a cavity that faces the vibration part, and at least one open tube connected to the tube via a first open end and a second open end. A length of the at least one open tube is an integer-fold of substantially a half of a wavelength of a standing wave produced in the tube. The first open end is positioned substantially at an anti-node of the standing wave produced in the tube. | 09-11-2014 |
20140270270 | LOUDSPEAKER UNIT - A loudspeaker unit includes a voice coil, a diaphragm, a damper, a frame supporting an outer edge of the diaphragm and an outer edge of the damper, and a duct projecting from an outer surface of the frame, with air moved by vibration of the diaphragm flowing into and out of the loudspeaker unit through the duct. The frame has an aperture that communicates with a space inside the frame. The duct, serving as a separate member, is attached to the frame so as to cover the aperture. The frame further includes a support tab that projects into the aperture. Link terminals are attached to the support tab. Before the duct is attached to the frame, lead wires extending from the voice coil are formed into a predetermined shape and are then connected to the link terminals in a space within the aperture. | 09-18-2014 |
20140301579 | Vibrating acoustic device - Disclosed is a vibrating acoustic device. The vibrating acoustic device for generating sound in full frequency band includes a magnetic system, a first vibrating assembly mounted on an upper side of the magnetic system for generating sound in low-frequency region and a second vibrating assembly attached on a lower side of the magnetic system for generating sound in high-frequency and medium-frequency range. The first vibrating assembly includes a vibrating plate for resonating with a resonate medium for resonating and radiating sound in low-frequency region, and a first coil partially inserted in the magnetic gap and driving the vibrating plate; and the second vibrating assembly includes a diaphragm and a second coil driving the diaphragm. | 10-09-2014 |
20140314253 | VIBRATION CONDUCTION AND FREQUENCY-SELECTIVE AMPLIFICATION DEVICE FOR A MOVING-IRON MICROPHONE/TRANSDUCER - A vibration conduction and frequency-selective amplification device for a moving-iron microphone/transducer, including connecting portions at both ends and a middle portion for vibration conduction and frequency-selective amplification. The device is mechanically connected to a microphone armature and a vibration diaphragm of the moving-iron microphone/transducer, and performs frequency-selective amplification on a vibration generated by the armature and transmits the vibration onto the diaphragm by the middle portion, so as to achieve frequency-selective amplification and conversion from mechanical energy to acoustic energy. The device includes a frequency-selective amplification function, and may adjust mechanical configurations and connecting portions according to different requirements to enrich the product functions and widen the scope of application, and an improved structure and means of connection, which enhances bonding strength at the connection joint, increases resistance of the product to electric and mechanical shocks, so that the service life of the product is prolonged. | 10-23-2014 |
20140321675 | SPEAKER - A speaker includes: a pair of front-side and back-side vibration portions each having a dielectric layer having insulating properties and made of an elastomer or resin, a front-side electrode layer placed on a front side of the dielectric layer and having conductive properties, and a back-side electrode layer placed on a back side of the dielectric layer and having conductive properties; an interposed member placed between the pair of vibration portions so that the front-side vibration portion protrudes toward a front side and the back-side vibration portion protrudes toward a back side; and a circuit section that transmits signal waves based on sound to be reproduced to the pair of vibration portions so that the signal waves transmitted to the pair of vibration portions have opposite phases to each other, and drives the pair of vibration portions. | 10-30-2014 |
20140341401 | SPEAKER DEVICE - A speaker device including: a hollow case; a drive unit housed in the case and configured to cause a diaphragm to vibrate; and a curved diaphragm having a flat plate curved and arranged to stand in an upright position on an upper surface of the case, wherein a diaphragm of the drive unit is exposed at a part of a surface of the case, and a part of a base end of the curved diaphragm abuts on the diaphragm of the drive unit, and the curved diaphragm is compressively deformed through a standing pole arranged to extend between a tip end of the curved diaphragm and the case, whereby vibration of the diaphragm of the drive unit is allowed to propagate to the curved diaphragm and the case so that sound is allowed to come out of the diaphragm of the drive unit, the curved diaphragm, and the case. | 11-20-2014 |
20140348348 | PERSONAL MEDIA PLAYING SYSTEM - An apparatus for personal media playing, the apparatus comprising: a signal receiver, configured to receive a media signal, a signal generator, in communication with the signal receiver, configured to derive a plurality of signals from the received media signal, and tailor each of the derived signals for a respective one of a plurality of body areas of a user, and a plurality of vibration devices, in communication with the signal generator, each vibration device being deployable on a respective one of the body areas of the user and configured to vibrate on the body area, according to the signal tailored for the body area. | 11-27-2014 |
20140348349 | SPEAKER DEVICE - The object of the present invention is that the surplus vibration involved therewith simultaneously generating a sound wave by the vibration of the vibrating cone of the loudspeaker unit is generated in the loudspeaker system, which has impaired the sound quality of the loudspeaker system. The purpose of the present invention is to provide a technique for improving the sound quality by reducing the this surplus vibration which are the loudspeaker frame vibration and the cabinet vibration like a front baffle vibration. The present invention is characterized in being configured with a viscoelastic material layer upon rear portions such as the frame surface of the loudspeaker unit and inside and outside surfaces of each surface configuring the loudspeaker cabinet, and additionally suppresses vibration by addition of a heavy member or pressurization caused by constraint of a binding member. | 11-27-2014 |
20140355792 | ELECTRONIC DEVICE - Provided is an electronic device including a housing and an acoustic device configured to generate vibration sound that is transmitted through vibration of a part of a human body. The acoustic device includes a panel configured to be joined to the housing; a piezoelectric element configured to be joined to the panel for vibrating the panel; and a vibration adjusting unit configured to be joined to the panel and vibrated together with the panel by the piezoelectric element. With the above configuration, a frequency characteristic is improved. | 12-04-2014 |
20140363034 | MICRO SPEAKER - Disclosed herein is a micro speaker capable of having a high-pitched sound speaker unit and a low-pitched sound speaker unit and allowing the respective speaker units to clearly reproduce an inherent sound without interference. The micro speaker for converting an electrical signal into an acoustic signal includes: a high-pitched sound speaker unit disposed in an outer case; and a low-pitched sound speaker unit disposed in the outer case together with the high-pitched sound speaker unit, wherein the high-pitched sound speaker unit and the low-pitched sound speaker unit are disposed in the outer case so that a high-pitched sound vibrating plate of the high-pitched sound speaker unit and a low-pitched sound vibrating plate of the low-pitched sound speaker unit have directions opposite to each other. | 12-11-2014 |
20140376751 | MOVING MAGNET TRANSDUCER - A moving magnet transducer includes a frame body, a coil, a damping member, a permanent magnet and a vibrating diaphragm. The coil is received in the frame body. The coil is ring shaped, and a central through hole is axially passing through the coil. The damping member is securely assembled in the frame body and disposed above the coil. The permanent magnet is pillar shaped. One end of the permanent magnet is securely assembled to the damping member, and the other end of the permanent magnet is extended into the central through hole without touching the coil. The vibrating diaphragm is securely assembled in the frame body and includes a central vibrating portion. The central vibrating portion is securely assembled to the permanent magnet. | 12-25-2014 |
20150010173 | APPARATUS AND METHOD FOR PROVIDING A FREQUENCY RESPONSE FOR AUDIO SIGNALS - An apparatus includes a housing and a piezoelectric element coupled to the housing. The apparatus also includes an electromagnetic element coupled to the housing. The piezoelectric element is configured to convert first signals within a first frequency band into first sound waves by vibrating a first portion of the housing. The electromagnetic element is configured to convert second signals within a second frequency band into second sound waves by vibrating the first portion of the housing and a second portion of the housing. | 01-08-2015 |
20150010174 | VIBRATION DEVICE, SOUND GENERATOR, SPEAKER SYSTEM, AND ELECTRONIC DEVICE - A vibration device includes a first frame member, a first vibration body, a second frame member, a second vibration body, and an exciter. The first vibration body is provided in an inner region of the first frame member. The second frame member is attached to the first vibration body with a spacing from the first frame member. The second vibration body is provided in an inner region of the second frame member with a spacing from the first vibration body. The exciter is attached to the second vibration body. | 01-08-2015 |
20150016639 | Miniature Speaker - A miniature speaker is disclosed. The miniature speaker includes a frame, a magnetic circuit unit positioned by the frame and forming a magnetic gap, and a vibration unit. The vibration unit includes a vibration plate having a diaphragm including a central portion, a periphery suspending the diaphragm, a suspension surrounding the central portion with an edge connecting to the periphery, a stiffener located on the central portion, a border located on the central portion and surrounding the stiffener, and a voice coil including an inner side and an outer side opposed to the inner side. The border and the stiffener cooperatively form an interval therebetween. The stiffener controls the high frequency vibrations, and the border controls the low frequency vibrations. | 01-15-2015 |
20150063607 | MICRO LOUDSPEAKER AND ELECTRONIC DEVICE USING SAME - Disclosed is a micro loudspeaker. The casing of the micro loudspeaker comprises an upper side surface and a lower side surface. An electric connecting piece comprises a first deformation part located on one side of the upper side surface of the casing and side bent upwards, a second deformation part located on one side of the lower side surface and side bent downwards, a connecting part electrically connecting the first deformation part and the second deformation part. The top end of the first deformation part and the bottom end of the second deformation part are respectively provided with a first conducting part and a second conducting part. An electronic device comprises a micro loudspeaker mentioned above, a shell, a first sound hole and a circuit board, wherein a first conducting part or a second conducting part of the micro loudspeaker is electrically connected to the circuit board. | 03-05-2015 |
20150104047 | ELECTRONIC APPARATUS, STORAGE MEDIUM AND INFORMATION NOTIFICATION METHOD - When a driving module is performing processing of vibrating a piezoelectric vibration module based on a sound signal in an electronic apparatus, a determination module determines whether or not an ear putting position specified by an ear putting position specifying module is close to a reference position. When the processing is being performed, a notification module notifies the user at least one of that the ear putting position is appropriate and that the ear putting position is inappropriate, based on a determination result of the determination module. | 04-16-2015 |
20150110302 | ACOUSTIC TRANSDUCER WITH HIGH SENSITIVITY - An acoustic transducer with high sensitivity includes a base plate, a back plate and a vibrating membrane. The vibrating membrane is peripherally fixed to the base plate and covers an opening of the base plate. The back plate has a positioning member connected between the back plate and the vibrating membrane, so as to define at least one vibratile portion that is arranged annularly by a plurality of elastic members. Thereby, the vibratile portion has a reduced deformable width and increased rigidity, so can effectively improve its acoustically receiving sensitivity and signal-to-noise ratio. | 04-23-2015 |
20150110303 | Acoustic Unit, Loudspeaker and Acoustic Module Having the Same, and Manufacturing Method Thereof - An acoustic unit, which is arranged for coupling with a vibration system to produce an audio sound, includes a frame, a vibration member for being reciprocatingly moved in response to the vibration system; and a resilient suspension which is provided around the vibration member and is located between the vibration member and the frame, wherein the suspension has a stretching section integrally extended from the vibration member and a cushioning section integrally extended from the stretching section to the frame. The cushioning section only allows the stretching section to displace along a direction the same as a vibration direction of the vibration member to restrict a vibrating movement of the vibration member. The acoustic unit is incorporated with an acoustic module, wherein when a loudspeaker of the acoustic module operates, the acoustic unit synchronously vibrates to provide an enhanced low frequency audio effect. | 04-23-2015 |
20150110304 | ELECTROACOUSTIC TRANSDUCER - An electroacoustic transducer includes a diaphragm including: a wing-pair portion; and a cone portion. The wing-pair portion includes a pair of convex surfaces having respectively convex surfaces of a pair of longitudinal split tubular members. A valley is formed between one side portions of the pair of convex surfaces. The cone portion surrounds an outer peripheral portion of the wing-pair portion and extends in a conical shape. The electroacoustic transducer further includes: a converter configured to convert between a vibration of the diaphragm in a depth direction of the valley and an electric signal corresponding to the vibration; and a supporter supporting an outer peripheral portion of the cone portion to allow the diaphragm to vibrate in a direction of the vibration. | 04-23-2015 |
20150110305 | ELECTROACOUSTIC TRANSDUCER - An electroacoustic transducer includes a diaphragm including a pair of convex surfaces respectively including convex surfaces of a pair of longitudinal split tubular members. A valley is formed between one side portions of the pair of longitudinal split tubular members. The electroacoustic transducer further includes: a converter configured to convert between a vibration of the diaphragm in a depth direction of the valley and an electric signal corresponding to the vibration; and a supporter supporting other side portions of the pair of longitudinal split tubular members of the diaphragm so as to allow the other side portions to vibrate in a vibration direction of the vibration. | 04-23-2015 |
20150117679 | PANEL-FORM LOUDSPEAKER - A panel-form loudspeaker is disclosed. The panel-form loudspeaker includes a cover having a bottom forming an opening in a middle portion thereof; a vibration plate at least partially accommodated in the opening; an actuator fixed with the cover and engaging with the vibration plate for driving the vibration plate to vibrate; a gap formed between the vibration plate and the bottom of the cover; and a suspension. The vibration plate includes an inner surface and an outer surface opposite to the inner surface. The suspension includes a first connecting portion connecting with the inner surface of the vibration plate, and a second connecting portion connecting with a top of the bottom for suspending the vibration plate in the opening. | 04-30-2015 |
20150296299 | ARRANGEMENT AND METHOD FOR IDENTIFYING AND COMPENSATING NONLINEAR VIBRATION IN AN ELECTRO-MECHANICAL TRANSDUCER - The invention relates to an arrangement and a method for converting an input signal v into an output signal p(r | 10-15-2015 |
20150296303 | ACOUSTIC GENERATOR, ACOUSTIC GENERATION DEVICE, AND ELECTRONIC DEVICE - An acoustic generator according to an embodiment at least includes an exciter, a vibrating plate, and a frame body. The exciter is caused to vibrate by an electrical signal. The exciter is mounted on the vibrating plate, and the vibrating plate is caused to vibrate together with the exciter by the vibration of the exciter. The frame body is provided on the outer peripheral portion of the vibrating plate. The frame body includes two frame members having different thicknesses or widths, and the two frame members nip the vibrating plate to support the vibrating plate. | 10-15-2015 |
20150304745 | A SOUND PRODUCING VIBRATING SURFACE - An apparatus comprising: a transducer configured to mechanically vibrate; and a surface coupled to the transducer, wherein the surface is configured to receive the mechanical vibrations from the transducer, permit the vibration to pass through the surface whilst remaining substantially static, and such that in use the surface generates audible vibrations where the vibrations exit the surface and the surface is positioned proximate to an users ear. | 10-22-2015 |
20150312661 | ACOUSTIC GENERATOR, ACOUSTIC GENERATION DEVICE, AND ELECTRONIC DEVICE - An acoustic generator according to one embodiment includes an exciter, a vibrating portion, a frame, and a lead. The exciter receives an input of an electrical signal and is caused to vibrate. The exciter is mounted on the vibrating portion, and the vibrating portion is caused to vibrate by the vibration of the exciter. The frame is provided on an external circumferential portion of the vibrating portion, and supports the vibrating portion substantially flat. The lead is connected to the exciter, and inputs an electrical signal to the exciter. The frame includes a terminal serving as a connection point to the lead. | 10-29-2015 |
20150373435 | COAXIAL AUDIO SPEAKER USING SINGLE AUDIO SOURCE - A disclosed coaxial audio speaker may include a treble sound unit and a bass sound unit co-axially surrounding the treble sound unit. The bass sound unit may be in form of a single magnetic gap mechanism and have a vibrating vocal tone diaphragm along with a wiring board. The bass sound unit may further include a magnetic resistant ring selectively disposed therein. Within the magnetic resistant ring lies the treble sound unit. Therefore, the size of the audio speaker may be reduced because of the co-axially disposed bass sound unit and the treble sound unit. And the broader electricity adjustability may be achieved as vibration audio source points of the bass sound unit and the treble sound unit may be horizontally aligned. | 12-24-2015 |
20150373436 | MULTIPLE-VOCAL COIL COAXIAL AUDIO SPEAKER USING SINGLE AUDIO SOURCE - A disclosed coaxial audio speaker may include a treble sound unit and a bass sound unit co-axially surrounding the treble sound unit. The bass sound unit may be in form of a dual magnetic gap mechanism and have a vibrating vocal tone diaphragm along with a wiring board. The bass sound unit may further include a magnetic resistant ring selectively disposed therein. Within the magnetic resistant ring lies the treble sound unit. Therefore, the size of the audio speaker may be reduced because of the co-axially disposed bass sound unit and the treble sound unit. And the broader electricity adjustability may be achieved as vibration audio source points of the bass sound unit and the treble sound unit may be horizontally aligned. | 12-24-2015 |
20160014485 | COAXIAL AUDIO SPEAKER USING SINGLE AUDIO SOURCE | 01-14-2016 |