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.

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 panel audio loudspeaker includes a panel extending in a plane and an actuator coupled to the panel and configured to couple vibrations to the panel to cause the panel to emit audio waves. The actuator includes a rigid frame attached to a surface of the panel and the frame includes a portion extending perpendicular to the panel surface. The actuator also includes an elongate flexure attached at one end to the portion of the frame extending perpendicular to the panel surface, the flexure extending parallel to the plane and having a first width where the flexure is attached to the frame different from a second width where the flexure is unattached to the frame. The actuator further includes an electromechanical module attached to a portion of the flexure unattached to the frame, the electromechanical module being configured to displace an end of the flexure during operation of the actuator.

Abstract: A sound system is shown in the form of a speaker with or without a speaker box. A front member may be used with an elongate open portion with a top end and a bottom end and a speaker support with the speaker mounted to the speaker support. The speaker support may be coupled to the front member with a front of the speaker facing the front member and the front of the speaker substantially aligned with the bottom end of the elongate open portion. The bottom end of the elongate open portion may be positioned adjacent to a lower portion of the back of the torso of a user and the top end of the open portion is positioned higher near the back of the torso of the user. This combination may be used in a backpack, a chair or any other similar device.

Abstract: A vehicular interior part includes a sound absorbing member including a hole cover section covering a panel-side hole of a panel in which a functional part is to be arranged, a panel cover section covering the panel, slits arranged between the hole cover section and the panel cover section. The slit includes a peripheral extending portion extending along a hole edge of the panel-side hole and a projecting portion extending from an end of the peripheral extending portion toward the panel cover section and a continuous part is between the projection portions of the adjacent slits. The hole cover section is to be torn off from the sound absorbing member at the continuous parts to be separated from the panel cover section and form a hole such that the functional part in the panel-side hole is to be exposed through the panel-side hole and the hole.

Abstract: The purpose of the present invention is to achieve further miniaturization and performance improvement in a pressure detection type touch panel. The touch panel (1) includes a TP upper side electrode layer (19) located above the CF substrate (18), a TP lower side electrode layer (15) located below the CF substrate (18) and above the liquid crystal layer (14), and a piezoelectric element layer (16) located between the TP upper side electrode layer (19) and the TP lower side electrode layer (15).

Abstract: A flexible display apparatus includes a substrate having a bending portion, a display over the substrate, and a cover over the substrate and covering the display. The cover includes a first film having a first surface and a second surface opposite the first surface, a second film over the first film, and an adhesive layer between the first film and the second film and attaching the first film to the second film. The first film includes at least one division line in at least some regions thereof in a direction from the first surface toward the second surface.

Abstract: An electronic device that includes a metal element arranged to at least partially cover a high impedance region associated with an antenna of the electronic device. The metal element presents a capacitive load to the antenna to mimic or replicate a capacitance placed on the antenna by a conductive element, such as a user's finger, coming in contact or close proximity to the antenna area. The capacitive load applied by the metal element tunes the antenna system for a large capacitance to resist antenna de-tuning and radio link interruption caused by the unintended user contact or near contact with the high impedance region of the antenna.

Abstract: A piezoelectric device and a display apparatus including the same are provided. A piezoelectric device includes: a first piezoelectric unit including a vibration-generating layer configured to vibrate at an input frequency based on a sound signal corresponding to the input frequency, and a second piezoelectric unit including: an air gap in the first piezoelectric unit, the air gap having a certain volume, and an air path connecting the air gap to an outer portion of the vibration-generating layer, the air path being configured to output a vibration.

Abstract: Provided is an acoustic apparatus capable of causing a sensation that a sound is produced in a larger space than reality, without requiring an excessive cost and time-consuming installation. The sound collected by a microphone is converted to an electrical signal, and a reflected sound component is extracted by a signal processing portion. The reflected sound component thus extracted is amplified by an amplifier, and the reflected sound component thus amplified vibrates transducers attached to a back-side board surface of each acoustic structure, whereby reflected sound is emitted from all faces including front-side board surface and the back-side board surface. A player can thus naturally perceive as if the space where he stays is expanded.

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: Systems, methods, and apparatus are provided for recording high output power levels of sound at low sound pressure levels. For example, an apparatus comprises an enclosure, a speaker disposed within the enclosure, a microphone disposed within the enclosure, and an evacuation port. The evacuation port is configured to connect to a system that reduces a pressure level within the enclosure to a level that is less than an ambient air pressure level outside the enclosure. The enclosure is sealed or otherwise configured to provide a sealed enclosure, to maintain the reduced air pressure within the enclosure. The speaker can be driven by an amplifier at high output power levels to generate a distorted sound of an amplified electric musical instrument for recording purposes, while the reduced pressure level within the enclosure serves to attenuate the sound pressure level and perceived loudness which emanates from the speaker.

Abstract: An audio apparatus and a control method therefor are provided. The present audio apparatus comprises: a vibration part for providing audio using vibration; a sensing part for sensing one or more of the material and the thickness of an object to which the audio apparatus is attached; a pressure regulation part for regulating the pressure that is applied to the object by the vibration part; and a processor for controlling the pressure regulation part in order to regulate the pressure applied to the object by the vibration part based on one or more of the material and the thickness of the object that is sensed by the sensing part.

Abstract: A display apparatus may include: a display panel including: a display area configured to display an image, and a non-display area, an optical module on a rear surface of the display panel, at least one first sound generator on a rear surface of the optical module, and at least one second sound generator in the non-display area and between the display panel and the optical module.

Abstract: The present application discloses a sound generator, including: a panel; a housing including a substrate and a frame extending from the substrate; a space formed by the panel and the housing; a driving member; a first sliding guide; a first sliding block slidably connected with the first sliding guide; a second sliding guide; a second sliding block slidably connected with the second sliding guide; a support mounted on the substrate and including a pivot; and a linking pole pivotally connected to the pivot. The linking pole includes an end movably connected to the first sliding block and another end movably connected to the second sliding block; and a distance from the pivot to the first sliding block is smaller than a distance from the pivot to the second sliding block.

Abstract: The present invention provides a receiver comprising a housing, an armature, and a magnet assembly, where the armature and the magnet assembly are arranged in the housing. The magnet assembly comprises a magnet and a magnet shell. The magnet shell forms an inner space in which the magnet is provided, and where at least a part of the armature extends in the inner space. The magnet shell comprises at least two shell parts forming an inner surface encircling the inner space, where each of the shell parts comprises a first and a second end face. The first end face of a first shell part abuts one of the first and second end faces of an adjacent shell part, and the second end face of the first shell part abuts one of the first and second ends faces of an adjacent shell part.

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: 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: A loudspeaker system composed of a flexible panel with an affixed array of force actuators, a signal processing system, and interface electronic circuits is described. The system described is capable of creating a pattern of standing bending waves at any location on the panel and the instantaneous amplitude, velocity, or acceleration of the standing waves can be controlled by an audio signal to create localized acoustic sources at the selected locations in the plane of the panel.

Abstract: A linear motor is disclosed. A linear motor includes a housing having a bottom wall, a cover plate opposite to the bottom wall, and a side wall connecting the bottom wall with the cover plate for forming an accommodation space. The linear motor further includes a stator, and a vibrator accommodated in the accommodating space. One of the bottom wall and the cover plate is connected with the stator, and the other supports the vibrator. Further, the side wall comprises a first connecting part connecting with the bottom wall, a second connecting part connecting with the cover plate, and an elastic arm connecting the first connecting part with the second connecting part.

Abstract: A terminal apparatus for providing description about one or more objects arranged in a predetermined area is provided. The terminal apparatus includes a memory configured to store arrangement information indicating arrangement of the one or more objects in the predetermined area and description information associated with the one or more objects; and a processor coupled to the memory and configured to obtain area identification information for identifying the predetermined area when the terminal apparatus is located in the predetermined area, identify a positional relationship between the terminal apparatus and the one or more objects based on the arrangement information when the area identification information is obtained, and cause the terminal apparatus to describe an object of the one or more objects, in accordance with the identified positional relationship between the terminal apparatus and the one or more objects.

Abstract: A wave energy guiding system is described that includes a structural substrate formed according to a folded-pattern topology including, for example, an origami-type folded-pattern topology such as Miura-ori. The structural substrate includes a plurality of planar facets each positionable at an angle relative to adjacent planar facets. Each transducer of the plurality of transducers is positioned on a different one of the plurality of planar facets to form a transducer array. Adjustments to the angle of the adjacent planar facets cause a corresponding adjustment to a performance characteristic of the transducer array. In this way, the performance of the wave-energy guiding system can be adjusted and modified by adjusting the degree to which the structural substrate is folded in the folded-pattern topology.

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 vehicle sound system and method of generating sound having a plurality of frequency responses are provided. The vehicle sound system includes selecting each of a plurality of acoustic panel assemblies based on a frequency range of sound pressure vibrations the acoustic panel assembly is capable of generating, and positioning the plurality of acoustic panel assemblies within a vehicle at a respective locations within the vehicle based on the frequency range of sound pressure vibrations the acoustic panel assembly is capable of generating.

Abstract: A sound output apparatus includes a touchscreen, a vibrator and a controller. The vibrator produces sound by causing vibration of the touchscreen based on a sound signal. The controller (a) performs a predetermined control of the sound signal while contact of an operation body with the touchscreen is being detected by the touchscreen, and (b) does not perform the predetermined control of the sound signal while contact of an operation body with the touchscreen is not detected by the touchscreen.

Abstract: A sound producing apparatus is provided. The sound producing apparatus comprises a driving circuit, comprising a pulse amplitude modulation (PAM) module, configured to generate an driving signal according to an audio input signal, wherein the driving signal comprises a pulse amplitude modulated signal generated according to the audio input signal, the pulse amplitude modulated signal comprises a plurality of pulses at a pulse rate, two consecutive pulses among the plurality of pulses are temporally spaced by a pulse cycle, the pulse rate is a reciprocal of the pulse cycle, and the pulse rate is larger than a maximum audible frequency; and a sound producing device, coupled to the driving circuit, configured to produce sound according to the driving signal.

Abstract: Apparatus and method for playing music by means of planar acoustic transducers adapted to optimize the music emission quality.

Abstract: Methods and apparatuses for addressing open space noise are disclosed. In one example, a system and method for masking open space noise includes outputting a noise masking sound from a plurality of balanced mode radiator loudspeakers distributed in a down-fire direction above an open space.

Abstract: This panel (6) for a module of an air handling unit defines a main axis perpendicular to its surface and includes an outer plate (8), an inner plate (10), a layer (12) of insulating material arranged between the outer plate and the inner plate, and a joining element (14) arranged around the layer of insulating material and intercalated between the outer plate and the inner plate along the main axis. The plates and the layer of insulating material are parallel to each other and perpendicular to the main axis of the panel. The joining element includes both a male assembly part (34) formed by a projecting rib and a female assembly part (36) formed by a hollow groove and the projecting rib of the joining element is configured to nest into the hollow groove of another joining element with an identical transversal section belonging to another panel.

Abstract: The present embodiment relates to a double-faced display device generating sound by directly vibrating a display panel and includes: a first display panel and a second display panel disposed at the front and rear surface thereof, respectively; a single sound generating actuator connected to the first display panel and the second display panel to simultaneously vibrate the first display panel and the second display panel and thus generate sound; and a support part configured to support the sound generating actuator, the first display panel, and the second display panel. The present embodiment does not require a separate speaker and thus can achieve a thin or slim display device, and can improve the localization or the quality of sound output in opposite directions in the double-faced display device.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for changing a distributed mode loudspeaker's fundamental frequency. One of the systems includes a distributed mode loudspeaker comprising an actuator that includes: a supported portion, and a cantilevered portion having a length, a first fundamental frequency, and adapted to create a force to cause vibration of a load to generate sound waves using the first fundamental frequency; a support element connected to the supported portion of the actuator and adapted to adjust, based on a change to a shape of the support element, a size of the length of the cantilevered portion to change the first fundamental frequency to a second fundamental frequency with which the load will generate sound waves; and a frequency selection module that provides a signal to the support element to cause the support element to change shape.

Abstract: A display apparatus and a method for controlling the display apparatus are provided. The display apparatus includes a display panel unit, a reflector disposed on the display panel unit, a radiator, an illumination sensing unit, and a controller. A color of the reflector is changeable according to a temperature thereof, and the reflector is positioned to reflect light incident on the reflector from outside the display apparatus. The heat radiator generates heat to control the temperature of the reflector, and the illumination sensing unit senses an illumination value of light incident on the display apparatus from outside. The controller controls the heat radiator to change the temperature of the reflector according to the illumination value sensed by the illumination sensing unit.

Abstract: The present embodiment relates to a double-faced display device generating sound by directly vibrating a display panel and includes: a first display panel and a second display panel disposed at the front and rear surface thereof, respectively; a single sound generating actuator connected to the first display panel and the second display panel to simultaneously vibrate the first display panel and the second display panel and thus generate sound; and a support part configured to support the sound generating actuator, the first display panel, and the second display panel. The present embodiment does not require a separate speaker and thus can achieve a thin or slim display device, and can improve the localization or the quality of sound output in opposite directions in the double-faced display device.

Abstract: Techniques associated with structures for dynamically tuned audio in a media device are described, including receiving data associated with an acoustic output, determining a target frequency response associated with an audio device, the audio device implemented with a hybrid radiator formed using a smart fluid or artificial muscle material, determining a value associated with a property of the smart fluid or artificial muscle material, calculating, using a dynamic tuning application, a magnitude of an external stimulus associated with the value, and sending a control signal to a source, the control signal configured to cause the source to apply the external stimulus, an application of the external stimulus of the determined magnitude configured to change the property of the smart fluid or artificial muscle material.

Abstract: An integrally-designed bone conduction driver relates to the technical field of headsets using bond conduction speaker technologies, and overcomes technical disadvantages of existing bone conduction speakers, namely, complex processes and poor comfortability when they are worn. The bone conduction driver includes a vibrating plate, a voice coil, an elastic piece, a magnet, a washer, and a cup holder, where a wire outlet end of the voice coil is fixed on an inner side face of the vibrating plate; the vibrating plate is connected to the cup holder by using the elastic piece as an elastic support; the elastic piece includes an inner ring part, at least two outer arc parts that are concentric with and in clearance fit with the inner ring part, and at least two connection parts connecting tail ends of the outer arc parts to the inner ring part; and the voice coil is integrally combined with the inner side face of the vibrating plate.

Abstract: A method of making a touch-sensitive data entry screen of the kind arranged to provide haptic response to a user via at least one electromechanical exciter coupled to the screen, comprising analyzing the mechanical and electromechanical coupled system represented by the data entry screen and the at least one exciter, and selecting values of parameters of the coupled system to provide a required displacement and acceleration of the screen at low frequency in response to human touch.

Abstract: The invention relates to audio transducers, such as loudspeaker, microphones and the like, and includes improvements in or relating to hinge systems for rotational action audio transducers. The hinge systems of the invention being configured to operatively support a diaphragm in use, and comprising a hinge assembly having one or more hinge joints, wherein each hinge joint comprises a hinge element and a contact member. The contact member comprises a contact surface and the configuration is such that during operation each hinge joint is configured to allow the hinge element to move relative to the associated contact member, while maintaining a substantially consistent physical contact with the contact surface. The hinge assembly biases the hinge element towards the contact surface. Preferably the hinge assembly is configured to apply a biasing force to the hinge element of each joint toward the associated contact surface, compliantly.

Abstract: A flexible display apparatus includes a substrate having a bending portion, a display over the substrate, and a cover over the substrate and covering the display. The cover includes a first film having a first surface and a second surface opposite the first surface, a second film over the first film, and an adhesive layer between the first film and the second film and attaching the first film to the second film. The first film includes at least one division line in at least some regions thereof in a direction from the first surface toward the second surface.

Abstract: A loudspeaker arrangement for a passenger cabin of a transport means, including a loudspeaker and a housing having a receiver for the loudspeaker. The loudspeaker includes at least one membrane capable of oscillation and at least one loudspeaker coil. The loudspeaker coil is integrated into the membrane capable of oscillation, wherein the membrane electrically insulates the loudspeaker coil at least in part.

Abstract: There is disclosed a method of designing a panel assembly for a vibratory panel device, the assembly comprising a panel which supports vibrations and two or more transducers coupled to the panel to transmit vibrations to or receive vibrations from the panel. The method comprises: obtaining the number of transducers to be used in the assembly and their relative positions; obtaining relationships between drive signals to be applied to the respective transducers to provide a desired effect; determining an optimization criterion for the assembly that depends on the obtained relationships; and determining one or more parameters for the respective transducers that satisfy the optimization criterion. The one or more parameters may be selected from amplitudes of drive signals, spacing, activity, area, position, shape, dimension.

Abstract: Methods and apparatuses for addressing open space noise are disclosed. In one example, a system and method for masking open space noise includes outputting a noise masking sound from a plurality of balanced mode radiator loudspeakers distributed in a down-fire direction above an open space.

Abstract: An example provides an apparatus to receive an audio input signal, generate, from the audio input signal, a filtered audio input signal to suppress at least one modal frequency of a flat loudspeaker diaphragm, and output the filtered audio input signal to at least one actuator to cause a vibration of the flat loudspeaker diaphragm.

Abstract: An apparatus is provided that includes the following: a surface arranged to be mechanically displaced; a first magnet coupled with the surface; at least one supporting member for supporting the surface; a base comprising a second magnet, wherein the second magnet is arranged, at least partially, to face the first magnet; a coil coupled with the second magnet: and a signal port electrically coupled with the coil, wherein an electrical signal is configured to travel between the signal port and the coil, and wherein the electrical signal in the coil is proportional to mechanic displacement of the surface when a force equilibrium state of the surface is broken either by the electrical signal in the coil or the mechanic displacement of the surface from a position of the force equilibrium state.

Abstract: A sound generator and sound generation system including the sound generator includes a piezoelectric element of a stack type having a multilayer structure. The piezoelectric element stretches and contracts along a stacking direction generates vibration according to a sound signal. An object, different from the sound generator and from a human body, generates a sound using the vibration and acts as a speaker while in contact with the sound generator.

Abstract: A speaker includes a housing; an electroacoustic driver secured to the housing, and an element that is secured to a movable portion of the driver. The element is accessible from outside of the housing and is capable of having an object secured to the element. When the driver is operated in a first mode in a first frequency band, motion is imparted through the element to the object.

Abstract: An electronic device 1 includes: a panel 10; a housing 60 holding the panel 10; and a piezoelectric element 30 attached to the panel 10, wherein the deformation of the piezoelectric element 30 causes the panel 10 to vibrate, to transmit human body vibration sound to an object in contact with the panel 10, and the perpendicular line or normal to the main surface of the panel 10 and the surface of the piezoelectric element 30 attached to the panel 10 are not orthogonal to each other.

Abstract: In a portable wireless key, decoration fitting portions provided at ends of a pair of side portions of a metal decoration member are fitted in decoration receiving portions of a wireless key body, and a decoration engaging portion provided at a connecting portion of the metal decoration member is engaged with a decoration engagement portion of the wireless key body. Further, a switch operation cover is fixed to an assembled unit of the wireless key body and the metal decoration member. Thus, durability in dropping can be improved without complicating an assembling work of the metal decoration member and without increasing the number of components and costs, and it is easy to address switch variations without increasing initial costs.

Abstract: A display device unit includes: a display device; and a sound element disposed at a side surface or a rear surface of the display device, where the sound element includes a vibration material layer which provides a sound based on an electric field applied therein, and a pair of electrodes which generates the electric field in the vibration material layer.