Abstract: An electronic device is provided. The electronic device includes a housing, a support member disposed inside the housing and forming a connection passage, a printed circuit board disposed on the support member and including a first area and a second area spaced apart from the first area, and a conductive pattern disposed on the support member and including a first portion and a second portion, wherein the first portion may be electrically connected to a first electrode disposed in the first area, the second portion may be electrically connected to a second electrode disposed in the second area, and the first area and the second area may be electrically connected to each other via a shunt member.

Abstract: A display device may include: a flexible display panel having a left side and a right side opposite to each other in a curved direction of the display panel; a flexible plate disposed at a rear of the display panel and to which the display panel is coupled; a flexible bracket disposed at a rear of the plate and fixed to the plate at a position adjacent to a periphery of the bracket; and a rear cover covering a rear of the bracket and fixed to the bracket at a position adjacent to a central portion of the bracket, wherein: the rear cover may include a first side part protruding from a left side of the rear cover toward the bracket; and the bracket may include a first bending portion protruding rearward from a left side of the bracket, and a first rib provided inside the first bending portion and disposed opposite the first bending portion with respect to the first side part.

Abstract: A wearable loudspeaker includes a magnetic-flux-carrying housing that houses an acoustic sealing structure that separates an interior of the housing into a back volume and a front volume acoustically coupled to a sound port. A first coil is retained in the front volume and comprises a first winding about a corresponding first magnetic core. A second coil is retained in the back volume and comprises a second winding about a corresponding second magnetic core. Opposing surfaces of the first and second magnetic cores have opposite magnetic polarities and produce a magnetic field in a gap between the first and second coils. A magnetic-flux-carrying armature is movably located in the gap and fastened to the acoustic sealing structure. Sound is emitted from the sound port when the armature moves the acoustic sealing structure in the gap.

Abstract: Computing devices and peripherals having a dynamic curvature are disclosed. The base of a laptop can curve as the laptop lid is opened due to left and right base portions being pulled inward to a bisector of the base. Base portions can be pulled inwards by a bending strap pushed upwards by a lifter spring, by base hinges that rotate inwards, or a shape memory allow wire laced around pulleys that contract when heated. A display device with dynamic curvature can curve due to a rack and pinion linear actuator that extends or shortens adjustable rods housed in the display support. A base or display can be curved based on the context of the computer device or in response to certain events. The curvature of a base or display can be tunable by a user. Curved bases and displays can reduce wrist and eye strain.

Abstract: The present disclosure relates to the field of display technology, and provides a curvature adjusting apparatus, a display apparatus and a display apparatus jig. The curvature adjusting apparatus is used for adjusting a curvature of a display surface of a flexible display substrate, and includes a rotating structure rotatable around a first rotation axis. The rotating structure is connected to the flexible display substrate and has a curved profile, The curved profile is used for supporting the flexible display substrate, and adjusting the curvature of the display surface of the flexible display substrate by driving the flexible display substrate to bend to different degrees when the rotating structure rotates around the first rotation axis. By applying the present disclosure, the structure is simple, and the curvature of the display surface of the flexible display substrate can be adjusted without other auxiliary tools.

Abstract: An electronic device includes a display element, a piezoelectric element, and a cushioning element. The display element has a display surface and a non-display surface opposite to the display surface. The piezoelectric element is disposed on the non-display surface. The cushioning element is disposed between the display element and the piezoelectric element, and a space is surrounded by the display element, the piezoelectric element, and the cushioning element.

Abstract: A display apparatus comprises a display device including a display panel and a back cover on a rear surface of the display panel, and a curvature variation device at the back cover to vary a curvature of the display device, the curvature variation device may include an arc member at a rear region of the display device parallel to a first direction, a supporting plate at the rear region of the display device, a rotation driver on the supporting plate, a rectilinear driver on the supporting plate to perform a rectilinear motion, a rotation link part coupled to a center portion of the arc member on the supporting plate to rotate the center portion of the arc member based on a rectilinear motion of the rectilinear driver, and a holder part rotatably supporting the center portion of the arc member on the supporting plate.

Abstract: A method for processing an electrical signal for an acoustic emission system. The method carried out by the system includes the following steps: a) transmitting a calibration signal to the electroacoustic transducer; b) emitting a sound based on the calibration signal, by the electroacoustic transducer; c) measuring the voltage across the terminals of the load; d) calculating the variation in impedances of the electroacoustic transducer as a function of the variation in frequencies of the calibration signal; e) determining the resonant frequency of the electroacoustic transducer from the variation in calculated impedances; f) selecting a set of acoustic filters in the database based on the determined resonant frequency; and g) applying the set of acoustic filters to the electrical signal in order to process the electrical signal coming from the input.

Abstract: A display device includes: a display panel; a first sound generator disposed on one surface of the display panel, where the first sound generator vibrates the display panel to output a first sound; and a first vibration damping member disposed between the display panel and the first sound generator, where the first vibration damping member reduces a vibration displacement of the display panel.

Abstract: An apparatus includes, among other things, a spare tire cover comprising an attaching ring configured to surround an outer circumference of a tire and a center panel that is attached to the attaching ring. At least one exciter is mounted to the center panel. A method includes, among other things, molding at least one temperature sensor to a center panel, mounting the center panel to enclose one open side of an attaching ring to form a spare tire cover, and mounting at least one exciter to the center panel to selectively generate a desired sound.

Abstract: A sound-generating apparatus and a vehicle including the same are provided. A sound-generating apparatus includes: a plurality of first portions at each of first to third regions, and a plurality of second portions between the plurality of first portions, at each of the first to third regions, wherein two or more second portions, at any one region, among the first to third regions, have a cross-sectional shape that differs from a cross-sectional shape of a second portion disposed at each of the other regions, among the first to third regions.

Abstract: A display apparatus may include a rear cover at a rear surface of a display module and a vibration generating module at a rear region of the rear cover. The vibration generating module may be configured to output sound in a forward direction and a lateral direction of the display module.

Abstract: A testing device for detecting a contact pressure of a vehicle side window contacting a window seal arranged on the bodywork. In order to provide a universally applicable testing device that can be used for different vehicle types and models and that allows for reliable determination of the contact pressures, the testing device is designed having a central processing unit comprising a power supply, an evaluation unit and a display unit for showing the determined contact pressure, and having a pressure measuring film that can be removably arranged on the vehicle side window in the region of the window seal and that is connected to the evaluation unit of the central processing unit.

Abstract: A speaker array includes a first speaker device having a first membrane and a first acoustic channel, the first membrane being configured to oscillate and generate a first ultrasonic acoustic signal configured to be transmitted at least partially in the first acoustic channel, the first acoustic channel including at least one dimension comparable to a dimension of a viscous boundary layer of air. A second speaker device includes a second membrane and a second acoustic channel, the second membrane being configured to oscillate and generate a second ultrasonic acoustic signal configured to be transmitted at least partially in the second acoustic channel, the second acoustic channel including at least one dimension comparable to the dimension of the viscous boundary layer of air. An audio output of the speaker array is the combined output of at least the first speaker device and the second speaker device.

Abstract: A bio-fouling transducer comprising: a housing comprising: a diaphragm a conduit attached to the diaphragm; and a cap attached to the conduit; a transducer element attached to the diaphragm within the conduit; a series of electrical connections electrically connected to the transducer; and at least one gasket attached to the transducer and in contact with the conduit.

Abstract: The present disclosure relates to a display apparatus, especially having a display panel generating sounds. A display apparatus according to the present disclosure includes: a display module; a back cover at a rear surface of the display module; a depression recessed into the back cover from a first surface of the back cover with a first width and a first depth; a penetration through from a second surface of the back cover to the depression with a second width smaller than the first width and a second depth corresponding to a difference between a thickness of the back cover and the first depth; and a first piezo vibration unit disposed at a stepped portion between the penetration and the depression.

Abstract: A speaker assembly, and a display device including the same are provided. The speaker assembly according to an aspect of the present disclosure includes: a pair of magnets facing each other; a bobbin disposed between the pair of magnets and formed in a shape of a plate that extends long; a coil formed on at least one surface of the bobbin; a diaphragm fixed to one side of the bobbin, and extending in a direction intersecting a longitudinal direction of the bobbin; a frame disposed between the pair of magnets and the diaphragm; and a speaker edge disposed between the frame and the diaphragm, having one end fixed to the frame and the other end fixed to the diaphragm, and being convexly curved toward the bobbin.

Abstract: A display apparatus is disclosed, which includes a display panel including a first area and a second area, a first rear cover disposed below a rear surface of the display panel, a first sound generating module arranged in the first area to adjoining the display panel, and a second sound generating module arranged in the second area to be spaced apart from the display panel, wherein the first rear cover includes a first rear cover port hole formed to overlap the second sound generating module, the second sound generating module includes an enclosure disposed below a rear surface of the first rear cover and coupled with the first rear cover, and a second sound generating unit mounted in the enclosure, and the enclosure includes an enclosure port hole overlapped with the first rear cover port hole.

Abstract: A display apparatus according to an embodiment of the present disclosure includes: a display cell that displays an image and has a thin-plate shape; one or more vibration exciters that are disposed on rear-surface side of the display cell and cause the display cell to vibrate; and an opposing plate opposed to the display cell with an air gap in between. The display apparatus further includes a sound-spreading adjustment member that is disposed between the display cell and the two or more vibration exciters, and controls spreading of a sound generated by vibration caused by the two or more vibration exciters.

Abstract: A display apparatus includes a display panel configured to display an image, and a sound generating device on a rear surface of the display panel and configured to vibrate the display panel to generate sound, wherein the sound generating device includes a plate, a magnet and a center pole on the plate, and an oval-shaped bobbin around the center pole.

Abstract: A piezoelectric bimorph cantilever beam system includes a shim having a first main surface, a second main surface opposite the first main surface, a proximal end connected to an anchor, and a distal end opposite the proximal end. The system further includes a first piezoelectric layer laminated on the first main surface of the shim and a second piezoelectric layer laminated on the second main surface of the shim. A first beam stiffener is provided over the first main surface of the shim adjacent to the anchor with the first beam stiffener at least partially covering the first piezoelectric layer. A second beam stiffener is provided over the second main surface of the shim adjacent to the anchor with the second beam stiffener at least partially covering the second piezoelectric layer.

Abstract: A measurement apparatus unit is mounted to a vehicle. The measurement apparatus unit includes a base and a plurality of detection modules. The plurality of detection modules are mounted to the base. Each of the plurality of detection modules includes a casing and a detector. The detector is housed in the casing. The casing includes a mounting portion for detachably mounting each of the plurality of detection modules to the base. The mounting portion has a shape that is common among the plurality of detection modules.

Abstract: A panel audio loudspeaker includes a panel extending in a plane. The panel audio loudspeaker includes an actuator attached to the panel. The actuator includes a rigid frame attached to a surface of the panel, the rigid frame including a portion extending perpendicular to the panel surface. The actuator also includes an elongate flexure attached at one end the frame, the flexure extending parallel to the plane. The actuator includes one or more tabs. The actuator includes an electromechanical module attached to a portion of the flexure, the electromechanical module being configured to displace an end of the flexure. The actuator includes a vibration damping material located between each of the one or more tabs and a corresponding feature of the frame or the electromechanical module. One or more of the tabs can engage either the rigid frame or the electromechanical module to damp the vibrations.

Abstract: A distributed mode actuator (DMA) includes a flat panel extending in a plane and a rigid member(s) extended parallel to the plane. The members are mechanically attached to or glued and/or embedded within the face of the flat panel. All associated members are free to vibrate perpendicular and horizontally to the plane. The DMA also includes a magnet and electrically-conducting coil. The coil and magnet are mechanically coupled to the member or associated member. When the coil is energized, an interaction between a magnetic field of the magnet and a magnetic field from the coil applies a force sufficient to generate vibrations and/or movement perpendicular and horizontally to the plane. The DMA also includes components embedded within and attached to the plane, and indentations within the plane, to facilitate acoustical and vibrational waves.

Abstract: Disclosed is an electronic device, comprising a first exciter, a second exciter, and a first panel and a second panel that are provided oppositely. The first exciter is configured to control the first panel to vibrate, such that the first panel radiates a first sound wave. The second exciter is configured to control the second panel to vibrate, such that the second panel radiates a second sound wave. The electronic device of the present invention is provided with the two exciters to control each of the two panels to vibrate and radiate sound waves, such that both the first panel and the second panel can serve as a sound source. Controlling a vibration pattern of the second panel also enables control over a sound field of the first sound wave radiated by the first panel.

Abstract: A sound speaker for a vehicle is provided. The sound speaker includes a flat surface with a rod extending perpendicular from the surface, a cylindrical electro-dynamic exciter with an axial longitudinal through hole arranged for receiving the rod and a circular clamp for securing the electro-dynamic exciter on the first flat surface in a closed position. The electro-dynamic exciter includes a longitudinal rib inside the through hole and the rod includes a longitudinal recess for receiving the rib. The rod further includes a lateral recess for receiving the clamp. A least a part of the lateral recess forms a conical frustum and the clamp in the closed position forms a corresponding conical frustum. This part of the lateral recess pushes the clamp in the closed position against the electro-dynamic exciter towards the flat surface.

Abstract: A display apparatus includes a display panel including first, second, and third areas; a first rear cover on a rear surface of the display panel; a second rear cover covering at least a portion of the first rear cover; a first partition between the rear surface of the display panel and the first rear cover to partition the first area, the second area and the third area from one another; a first sound generating module in the first area and the second area to contact the rear surface of the display panel; a second sound generating module in the third area to be spaced apart from the rear surface of the display panel, and a port hole provided in the third area by removing a portion of the first rear cover to allow the second sound generating module to face the rear surface of the display panel.

Abstract: A horn mounting structure, includes: a shell, a sound hole is formed at a side surface of the shell; a mounting groove formed inside the shell, and the sound hole is communicated with the mounting groove; a holder, the holder is bonded in the mounting groove through a sealant, and a front sound chamber is formed at one side of the holder facing to the sound hole, and a horn, and the horn is bonded to one side of the holder facing away from the shell through the sealant.

Abstract: Disclosed is a display device that includes a display panel, sound generating actuators including a first sound generating actuator in a first area of the display panel and a second sound generating actuator in a second area of the display panel, the first and second sound generating actuators configured to vibrate the display panel to generate sound, and a partition between the first sound generating actuator and the second sound generating actuator.

Abstract: A distributed mode actuator (DMA) includes a flat panel extending in a plane and a rigid, elongate member extended parallel to the plane. The member is mechanically coupled to a face of the flat panel at a point. An end of the member is free to vibrate in a direction perpendicular to the plane. The DMA also includes a magnet and an electrically-conducting coil. Either the magnet or the coil is mechanically coupled to the member. When the coil is energized, an interaction between a magnetic field of the magnet and a magnetic field from the coil applies a force sufficient to displace the member in the direction perpendicular to the plane. The DMA further includes an electronic control module electrically coupled to the coil and programmed to energize the coil to vibrate the member to produce an audio response from the flat panel.

Abstract: A piezoelectric assembly includes at least two piezoelectric components, a positive circuit board, and a negative circuit board. Each piezoelectric component includes a main body portion and a connecting portion. Respective first surfaces of the main body portion and the connecting portion are a positive electrode, and respective second surfaces of the main body portion and the connecting portion are a negative electrode. Main body portions of the at least two piezoelectric components are stacked, connecting portions of the at least two piezoelectric components are distributed in a staggered manner along a set edge. The positive circuit board is coupled to the first surface of the connecting portion, and the negative circuit board is coupled to the second surface of the connecting portion.

Abstract: A display apparatus includes a display panel configured to display an image, a supporting member configured to support the display panel, at least one sound generating device in the display panel, to the at least one sound generating device being configured to vibrate the display panel to generate sound, and a connection member at a lower portion of the supporting member to correspond to a center of the at least one sound generating device.

Abstract: Provided are an actuator fixing device and a panel vibration type sound-generating display device including the same. A display device includes: a display panel configured to display an image, a cover bottom configured to cover the display panel, and a plurality of sound-generating actuators supported by the cover bottom, the sound-generating actuators being configured to vibrate the display panel to generate sound, at least two of the sound-generating actuators being adjacent to each other.

Abstract: A screen sound generation device includes a screen configured for vibrating and generating sound, an exciter configured for driving the screen to vibrate and generate sound, and a middle frame configured for receiving and fixing the screen and the exciter. The vibration direction of the exciter is perpendicular to the screen. The screen sound generation device further includes a fixing part by which the exciter is detachably fixed to a side of the screen. The fixing part includes a limit block with a threaded hole therein and a steel sheet attached to the screen, the limit block is fixed to the steel sheet, and the exciter is fixed to the steel sheet by a connecting structure with threads. The screen sound generation device according to the present disclosure provides a flexible assembly method, a reduced difficulty of assembly and an improved working efficiency.

Abstract: One embodiment provides a slim acoustic transducer with a diaphragm including a hole that is substantially centered on a vertical axis of the diaphragm. The hole has a first horizontal width. A voice coil has a ring shape that is disposed at least partially within the hole and substantially centered on the vertical axis. The ring shape has an outer and inner horizontal width. The outer horizontal width is smaller than or equal to the first horizontal width of the hole. A column structure is disposed at least partially within the ring shape and substantially centered on the vertical axis. The column structure has a second horizontal width that is smaller than or equal to the inner horizontal width of the ring shape. The column structure includes an upper magnet, a middle plate disposed below the upper magnet and a lower magnet disposed below the middle plate.

Abstract: A display device includes a display panel including a substrate and a pixel array layer disposed on a first surface of the substrate; a first sound generator disposed on a second surface of the substrate, which is opposite to the first surface of the substrate, the first sound generator being configured to vibrate the display panel in accordance with a first sound signal to output first sound; and a second sound generator disposed on the second surface of the substrate, the second sound generator configured to vibrate the display panel in accordance with a second sound signal to output second sound, wherein the first sound includes both sound in a low-frequency range and sound in a high-frequency range, which is higher than the low-frequency range, and the second sound includes sound in the high-frequency range.

Abstract: A speaker device in an embodiment includes a panel and an actuator. The actuator is provided on the panel. The actuator includes a diaphragm, a piezoelectric element, and a vibration transmission portion. The piezoelectric element is provided on at least one of principal surfaces of the diaphragm. The vibration transmission portion is provided on the diaphragm and abuts the panel without making contact with the piezoelectric element.

Abstract: A display device includes a display panel; a panel bottom member disposed on the display panel; a middle frame disposed on the panel bottom member; an electronic permanent magnet attached to the panel bottom member and that switches between an activation state to generate a magnetic force and an inactivation state; and a vibrator attached to the middle frame and that vibrates, wherein the electronic permanent magnet and the vibrator overlap each other in a thickness direction of the display device.

Abstract: Sound bars with improved sound distribution are disclosed having at least first and second speaker drivers. The sound bars can have a spatial deviation point between the at least first and second speaker drivers such that the first and second speaker drivers are facing different directions. A second spatial deviation point can also be included to create additional directions for the driver speakers to face. The sound bars can include both active and passive speaker drivers.

Abstract: A display apparatus includes: a display panel configured to display an image, a support member on a rear surface or a side surface of the display panel, the support member being configured to support the display panel, a sound-generating device in contact with the display panel, the sound-generating device being configured to directly vibrate the display panel to generate sound, and a circuit board between the display panel and the support member, wherein the sound-generating device is on the circuit board.

Abstract: The present disclosure provides a speaker including a housing, a vibration unit received in the housing, a magnetic circuit unit, flexible circuit boards, and conductive terminals. The housing includes an upper cover and a holder. The housing includes an upper cover and a holder. The holder includes a holder body and extension portions extending from the holder body. The extension portion includes a groove formed by inwardly recessing from a side surface of the extension portion facing away from the receiving space, and a through hole formed by recessing from a top end of the extension portion and communicating with the groove. One end of the flexible circuit board is received in the groove, and the conductive terminal passes through the through hole to be fixedly connected to the flexible circuit board. The present disclosure also provides a method for manufacturing the speaker.

Abstract: A display device is provided. The display device includes a display panel, a backlight unit, and a rear chassis. The display panel is configured to display an image. The backlight unit is provided on a rear surface of the display panel. The rear chassis includes a protruding region, a vibration plate, and at least one acoustic element. The protruding region is protruded in a rear direction. The at least one acoustic element is provided in the vibration plate and includes a pair of electrodes and a vibration material layer provided therebetween. The protruding region and the vibration plate are made of different materials.

Abstract: Disclosed is a display apparatus that may include a display panel configured to display an image by emitting light, a supporting member disposed on a rear surface of the display panel, a sound generating device disposed between the supporting member and the display panel, and a plurality of partitions at a predetermined interval from the sound generating device, wherein the partitions have different compression force deflections.

Abstract: The invention relates to a seat arranged for enhanced sound perception via vibration including a padding and a sound reproduction assembly (20), which includes at least one vibration source (26), at least one elastic element (16, 21) and at least one frame structure (18, 22), which sound reproduction assembly is at least partially arranged inside the padding. The elastic element/-s (16, 21) are nonhomogenous element/-s and located in contact with the frame structure (18, 22) and the vibration source (26) and configured to provide elastically and mechanically tuned mounting and that the elastic element/-s are configured to create at least lateral vibration to the surface of the seat.

Abstract: A flat plate audio transducer. A front panel and a back panel are connected via a frame. One or more electromagnetic actuators are mounted between the two panels. Voice coils are used as the actuators in some embodiments. Stiffening braces are preferably run between groups of actuators to prevent unwanted resonance phenomena. In some embodiments an actuator array moves both the front and back panels. In other embodiments only one panel is moved. The flat plate transducer is configured to mount on a room wall in a position that is conventionally used for decorative items such as artwork.

Abstract: A person's sleep disorders are resolved by applying low frequency vibration. Mechanical vibrators (1) present on a first side of a plate type base member (9) set the plate type base member (9) in vibration in such a way that its second surface transmits mechanical vibration. A plurality of first low frequency pulse trains (100; 101, 102, 103 . . . ) of mechanical vibration are conducted to a part of the person's body, at successive time periods (T; T1, T2, T3 . . . ). A frequency (f) of vibration in each individual pulse train (100) is maintained constant (f; fa, fb, fc . . . ) within the range of 20-50 Hz. The pressure pulses (400) of said pulse train (100) have a contact power (I) with said part of the body within the range of 40-70 dB. The constant frequencies (fa, fb, fc . . . ) of the successive pulse trains (100; 101, 102, 103 . . . ) are mutually different and change monotonously and mostly linearly. At least one second pulse train (100) is transmitted to said part of the body.

Abstract: The present disclosure provides a speaker, including a housing, and a vibration unit and a magnetic circuit unit that are received in the housing. The vibration unit includes a voice coil and a flexible circuit board electrically connected to the voice coil. An adhesive layer is provided at a position where the flexible circuit board is connected to the voice coil. The speaker of the disclosure is provided with an adhesive layer at a position where the flexible circuit board is connected with the voice coil, thereby making it possible to increase the adhesive force of the voice coil and the flexible circuit board using the provided adhesive layer, reduce risk of reliable separation, increase the service life of the speaker, reduce the maintenance cost of the speaker, and increase the economic benefits.

Abstract: A display apparatus includes: a display panel configured to display an image, at least one supporting member on a rear surface of the display panel, the at least one supporting member defining a groove, at least one sound generation device adjacent to the display panel, and a wiring, accommodated into the groove, configured to transfer a signal to the at least one sound generation device.

Abstract: The present application provides a method of manufacturing a resonant panel (200) of a flat panel loudspeaker. The method comprises: pressing a resonant panel blank between a first pressing surface (302) and a second pressing surface of a press, whereby to form the resonant panel (200) of the flat panel loudspeaker. The second pressing surface substantially opposes the first pressing surface (302). The first pressing surface (302) comprises at least one tool relief region (306, 312, 314, 316, 318), whereby to form at least one corresponding respective panel relief region (206, 212, 214, 216, 218) in a surface of the resonant panel (200).

Abstract: A back rest for a seat, in particular, vehicle seat, comprises a seat paneling and an acoustic element being an element contributing to forming the seat paneling. The seat paneling is in an operative connection with an actuator of the acoustic element in an acoustic area. The acoustic area can be made to vibrate by driving the actuator for making the acoustic area put out acoustic signals into a back space behind the back rest.