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WO/2020/001229A1 |
Disclosed by the present invention are a loudspeaker and a portable terminal; the loudspeaker comprises a first vibration system, a second vibration system and a magnetic circuit system, the first vibration system comprising a first diap...
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WO/2019/237606A1 |
A loudspeaker diaphragm and a loudspeaker. The loudspeaker diaphragm comprises a thermoplastic polyester elastomer film layer (11), the thermoplastic polyester elastomer being a copolymer composed of a polyester hard segment A and a poly...
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WO/2019/238644A1 |
The present application relates to an improved flat panel loudspeaker design. According to some aspects, the loudspeaker may include a flat panel, and a driving unit coupled to the flat panel configured to produce resonant behavior in th...
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WO/2019/237602A1 |
A loudspeaker diaphragm and a loudspeaker. The diaphragm comprises two surface layers composited together and at least one intermediate layer located between the two surface layers, wherein at least one of the surface layers is a thermop...
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WO/2019/237609A1 |
A loudspeaker diaphragm and a loudspeaker. The diaphragm comprises a thermoplastic polyester elastomer film (11), a thermoplastic polyester elastomer being a copolymer consisting of a polyester hard segment A and a polyether or aliphatic...
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WO/2019/237605A1 |
A loudspeaker diaphragm and a loudspeaker. The diaphragm comprises two surface layers which are composited together and at least one intermediate layer located between the two surface layers; at least one of the surface layers is a therm...
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WO/2019/237886A1 |
Disclosed are a voice diaphragm and a loudspeaker having the voice diaphragm. The voice diaphragm comprises a bent ring part, a fixing part extending outwards from the outer edge of the bent ring part, and a middle part extending inwards...
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WO/2019/237601A1 |
The present invention provides an organosilicon pressure sensitive adhesive and a preparation method therefor, a composite film structure applying the organosilicon pressure sensitive adhesive, a vibration film applying the composite fil...
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WO/2019/237603A1 |
A loudspeaker. The loudspeaker diaphragm comprises a vibration system and a magnetic circuit system matched with the vibration system; the vibration system includes a loudspeaker diaphragm; the loudspeaker diaphragm comprises two surface...
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WO/2019/237604A1 |
A speaker diaphragm and a speaker. The diaphragm comprises two surface layers composited together and at least one intermediate layer positioned between the two surface layers, at least one of the surface layers being a thermoplastic pol...
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WO/2019/237600A1 |
Provided are an acrylic pressure sensitive adhesive and preparation method thereof, a composite film structure using the acrylic pressure sensitive adhesive, a diaphragm using the composite film structure and a sound producing device usi...
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WO/2019/234445A1 |
Provided is a flat panel loudspeaker(100, 300) for mounting in an opening in a mounting surface. The flat panel loudspeaker comprises a planar resonant panel (110, 310) insertable into an opening in the mounting surface and having a fron...
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WO/2019/234444A1 |
A product having a vibrating panel loudspeaker integrally formed within a shell component of the product. The product comprises: a sheet-like shell component providing a part of a casing defining an externally facing outer boundary surfa...
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WO/2019/225463A1 |
A playback system (1) is provided with: a data output device (10) for outputting multi-track data in which a playing or a singing sound is recorded as audio data per track; an excitation device (15) for exciting an acoustic musical instr...
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WO/2019/217640A1 |
A solid piston having a closed shape is attached to a solid support surrounding the piston and corresponding in shape to the shape of the piston by a layer of compliant material adhered to a top surface of the piston and a top surface of...
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WO/2019/215804A1 |
A purpose of the invention is to provide a speaker apparatus wherein: vibrations generated from a vibration device can be efficiently transmitted to a diaphragm; volume is secured; and clear sound with a wide range can be produced. A spe...
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WO/2019/210645A1 |
Disclosed by the present invention are a silicone modified polyurethane elastomer diaphragm and speaker monomer. The diaphragm comprises: adding isocyanate, silicone carrying a reactive hydrogen functional group, and a chain extender int...
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WO/2019/213388A1 |
Micromachined ultrasonic transducers having pressure ports are described. The micromachined ultrasonic transducers may comprise flexible membranes configured to vibrate over a cavity. The cavity may be sealed, in some instances by the me...
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WO/2019/209062A1 |
The present invention relates to a diaphragm. According to one embodiment of the present invention, the diaphragm comprises: a diaphragm part including a central part and a surrounding part disposed so as to encompass the central part; a...
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WO/2019/200541A1 |
A display device for applying a planar loudspeaker principle to make a sound, comprising: a display panel (10) comprising multiple stacked components (20) being of a plate-shaped or membranous structure; and an exciter (30) fixedly dispo...
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WO/2019/193365A1 |
An electromagnetic actuator includes an inner magnet arranged relative to an axis, an outer magnet arranged a radial distance from the axis, an inner radial wall of the outer magnet facing an outer radial wall of the inner magnet, the in...
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WO/2019/187547A1 |
The present invention is an audio device that has an acoustic sheet which is a thin film material having capacitive characteristics and which has a curved shape. The acoustic sheet has a first region that is actively driven by an input s...
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WO/2019/189978A1 |
The present invention provides a high-performance slim speaker comprising: a frame part (110) having an upwardly open space arranged therein; a diaphragm (120) mounted at the upper side of the space to be able to vertically vibrate; a fi...
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WO/2019/179186A1 |
Disclosed are a diaphragm and a loudspeaker. The diaphragm comprises: a carbon fiber frame, the carbon fiber frame being jointly constituted by a plurality of carbon fibers; several filling gaps arranged in the carbon fiber frame; and a ...
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WO/2019/178797A1 |
A device with external diaphragm for acoustic cleaning and air purification is provided. The device comprises a housing with a first opening at a top for receiving one or more acoustic wave generating devices each with a diaphragm attach...
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WO/2019/172076A1 |
This speaker device is provided with: a diaphragm (11); an exciter (13) for generating vibration in accordance with an inputted electric signal; and a vibration transmission unit (15), provided between the diaphragm (11) and the exciter ...
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WO/2019/173559A1 |
A loudspeaker is provided with a motor assembly having at least one planar coil and first and second magnets magnetized in a magnetized direction perpendicular to direction of coil movement and perpendicular to a central axis of radiatio...
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WO/2019/171657A1 |
A luggage storage box wherein a vibrator 30 is attached to the back surface of a panel wall 15a of an operation panel 14 including an operation unit, and voice is generated by conveying vibrations from the vibrator 30 to the panel wall 1...
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WO/2019/172715A1 |
One embodiment provides a method comprising determining a potential energy in a loudspeaker, a kinetic energy in the loudspeaker, and an electrical energy in the loudspeaker based on a physical model of the loudspeaker. The method furthe...
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WO/2019/171656A1 |
A luggage storage box wherein a vibrator 30 is attached to the back surface of a panel wall 15a of an operation panel 14 including an operation unit, and voice is generated by conveying vibrations from the vibrator 30 to the panel wall 1...
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WO/2019/171030A1 |
A method includes determining, for a piezoelectric cantilever-type transducer of a distributed mode loudspeaker adapted to cause vibration of a load, a subset of frequencies from a range of frequencies at which to output vibrations, in w...
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WO/2019/162658A1 |
An electromagnetic actuator includes an inner magnet arranged relative to an axis, an outer magnet arranged a radial distance from the axis, an inner radial wall of the outer magnet facing an outer radial wall of the inner magnet, the in...
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WO/2019/161892A1 |
The disclosure concerns a communication device (102) comprising a housing (104) with a front body (106) and a main body (108). The front body (106) comprises a display unit (110) having a plurality of layers (114, 116, 118, 120, 122) att...
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WO/2019/160653A1 |
A ported cavity tweeter includes a face plate having top and bottom surfaces, a diaphragm frame secured to the bottom surface of the face plate, and a central aperture passing through both the face plate and the diaphragm frame. In addit...
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WO/2019/160642A1 |
A diaphragm ported tweeter includes a ring structure having an upper portion and a lower portion, and a dome-shaped diaphragm having a periphery secured to the upper portion of the ring structure and a concentrically positioned aperture ...
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WO/2019/160523A1 |
The invention relates to electroacoustic transducers of electrodynamic type intended for the use in headphones. More particularly, the invention relates to the type of electroacoustic electrodynamic transducers having a vibration membran...
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WO/2019/156487A1 |
An electronic device according to various embodiments of the present invention may comprise: a housing including a front plate, a rear plate oriented in a direction opposite to the front plate, and a side member for surrounding a space b...
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WO/2019/155650A1 |
The loudspeaker device according to an embodiment of the present invention has a state signal acquisition unit, sound signal acquisition unit, signal processing unit, exciter, and soundboard. The state signal acquisition unit acquires a ...
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WO/2019/153762A1 |
Disclosed is a large dynamic multimedia speaker having a large voice coil, comprising a support system, a magnetic circuit system and a vibration system, wherein the support system supports the magnetic circuit system and the vibration s...
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WO/2019/146860A1 |
A display device is disclosed. The display device comprises: a display panel; a first speaker unit including a first space and a second space isolated from the first space and communicating with the outside, and having a first opening co...
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WO/2019/138539A1 |
The present invention provides an acoustic device provided with an attachment structure that applies little mechanical stress to the sounding board of a piano. An acoustic device 10 includes an oscillating mechanism 11, an oscillating me...
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WO/2019/128422A1 |
Embodiments of the present invention provide a diaphragm and an electroacoustic transducer. The diaphragm is rectangular and comprises a middle part and a folding ring part surrounding the periphery of the middle part. The folding ring p...
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WO/2019/130019A1 |
A system includes a flat panel display having a panel resonant frequency response corresponding to a composition, shape, and structure of the flat panel display; and an actuator having an actuator resonant frequency response correspondin...
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WO/2019/129918A1 |
An apparatus, method, computer program and audio transducer, the apparatus comprising: an audio transducer configured to transduce an audio signal into a sound output signal; a sensing portion comprising two dimensional material wherein ...
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WO/2019/131041A1 |
A display apparatus according to an embodiment of the present disclosure is provided with: thin-plate-like display cells that display a video image; one or a plurality of vibrators that are disposed on the back-surface side of the displa...
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WO/2019/130972A1 |
A display apparatus according to an embodiment of the present disclosure is provided with: thin-plate-like display cells that display a video image; M vibrators that are disposed on the back-surface side of the display cells and that cau...
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WO/2019/125673A1 |
An apparatus includes a frame and a surround element that couples a diaphragm to the frame such that the diaphragm is movable in a reciprocating manner relative to the frame. The surround element includes a half-roll element having a con...
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WO/2019/122886A1 |
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...
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WO/2019/122892A1 |
Methods, systems, and apparatus for using a two-dimensional distributed mode actuator. One of the systems includes a transducer adapted to create a force to cause vibration of a load to generate sound waves, the transducer having a first...
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WO/2019/122942A1 |
A spatial sound modulator can comprise an array of controllable unit cells, each has a dimension of roughly half the wavelength of the target frequency. The spatial sound modulator can communicate with at least one feedback to achieve me...
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