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Patent Searching and Data


Matches 1 - 50 out of 16,254

Document Document Title
WO/2018/220054A1
The invention relates to an acoustic chamber having: - a box structure (3) forming a first edge (24) defining an opening (26), - at least one loudspeaker having at least one diaphragm (50) that is configured to emit sound waves and exten...  
WO/2018/220028A1
An electrodynamic loudspeaker (5) comprising: - a frame (3), - an assembly moving in translation with respect to the frame (3) along an axis (D) of the loudspeaker (5) about an equilibrium position that is occupied when the loudspeaker i...  
WO/2018/220061A1
The invention relates to an electrodynamic loudspeaker having: - a frame (17), - an assembly (23) that is movable in translation with respect to the frame along an axis (D) of the loudspeaker about an equilibrium position that is taken u...  
WO/2018/215669A2
A micromechanical acoustic transducer comprises, according to a first aspect, a first bender transducer with a free end and a second bender transducer with a free end which are situated in a common plane, wherein the free end of the firs...  
WO/2018/216711A1
Provided are a piezoelectric-type flat speaker with which a higher than conventional sound pressure can be obtained in a low-frequency range, and a method of forming the same. The piezoelectric-type flat speaker is provided with: a flat ...  
WO/2018/216525A1
When a vibration transmission device (100) is mounted to a steel board (BD) by mounting members (121, 122), a vibration transmission member (140) is closely attached to the steel board (BD). When a sound source device (500) sends a sound...  
WO/2018/214785A1
Disclosed are a vibrating diaphragm and a miniature sound generator provided with the vibrating diaphragm, relating to the technical field of electroacoustic products. The vibrating diaphragm comprises a central portion, an edge portion ...  
WO/2018/212933A1
A method of forming a device having a compliant member includes providing an elastomeric layer in an uncured state. The elastomeric layer is pre-cured to increase its viscosity. Subsequently, a bobbin and housing, each having an end, can...  
WO/2018/208565A1
Systems and methods of forming transducer diaphragms are disclosed herein. In one embodiment, a method of producing a transducer diaphragm includes receiving a workpiece between a first forming tool and a second forming tool. The workpie...  
WO/2018/190200A1
A diaphragm (3) has a plurality of connection pieces (5) disposed at an outer edge of a major surface (3A), the plurality of connection pieces (5) protruding outward along the major surface (3A) and being connected to an outer frame (4)....  
WO/2018/189034A1
The invention relates to a mobile loudspeaker apparatus (17) for playing back sound. Mobile loudspeaker systems are often disadvantageous in that they have a poor sound quality or require equipment for a good sound quality that is not ea...  
WO/2018/186280A1
Provided is a piezoelectric acoustic component with which a plurality of scales can be heard even in a noisy area. A piezoelectric sound generating element 11 is constituted by a metal vibration plate 12 and a piezoelectric element 15 pr...  
WO/2018/187663A1
A dual-diaphragm loudspeaker driver assembly can include a multiple pole magnet structure, and first and second pole piece assemblies can be provided on opposite first and second sides of the multiple pole magnet structure. In an example...  
WO/2018/180937A1
[Problem] To provide a speaker which efficiently transmits kinetic energy converted from electric energy of a sound signal without suppressing vibration of a curved diaphragm, enables both a person with impaired hearing and a person with...  
WO/2018/181626A1
The purpose of the present invention is to provide a glass plate component having satisfactory acoustic performance. The present invention relates to a glass plate component comprising: a vibrating plate made to vibrate by a vibrating el...  
WO/2018/181622A1
The present invention relates to a light guide plate that functions as a diaphragm and that comprises: a first plate that is a glass plate; a second plate that is a glass plate or a resin plate; a liquid layer formed so as to be sealed b...  
WO/2018/183162A1
In various embodiments, vibro-acoustic transducer arrangements in accordance herewith are optimized for sensing and transducing acoustic phenomena occurring within a patient's body, and manifesting themselves at the skin surface with fre...  
WO/2018/172741A1
The application relates to MEMS microphone transducers having a vent structure provided in the membrane layer and an opening formed at the vent structure for tuning the frequency response of the microphone.  
WO/2018/172944A1
A hinge system having at least three hinge joints, consisting each of a hinge element and an associated contact member. The contact surface of the hinge element of each hinge joint moves relative to the contact surface of the associated ...  
WO/2018/167538A1
The invention relates to audio transducer technology, including audio tuning systems to be utilised in personal audio devices, such as headphone, earphones, mobile phones and the like. The audio tuning system optimises the frequency resp...  
WO/2018/168478A1
The present invention is characterized in that a speaker unit (21A, 22A) radiates a sound toward a box-shaped space formed by a vehicle C. The speaker unit (21A, 22A) is contained in an enclosure (31A, 32A). A pipe member (102) or a vibr...  
WO/2018/164438A1
One embodiment provides a device comprising a speaker driver, a microphone configured to obtain a measurement of a near-field sound pressure of the speaker driver, and a controller. The controller is configured to determine a velocity of...  
WO/2018/155518A1
A glass plate construct including at least two plates and a liquid layer held between the two plates, at least one of the two plates being a glass plate. The glass plate construct constitutes a step part presenting a stair shape in a cro...  
WO/2018/154302A1
A panel loudspeaker controller (100) is disclosed that is for controlling a panel loudspeaker comprising a plurality of actuators. The panel loudspeaker controller comprises a plurality of electrical signal inputs (102), a plurality of s...  
WO/2018/151106A1
In order to provide a floating speaker that: is capable of oscillating sound in every direction in the surroundings without causing energy loss; and is of a unique, unprecedented design, a speaker emits sound such as music, speech, etc.,...  
WO/2018/149718A1
A loudspeaker membrane having good damping properties and high stability – in particular thermal stability – is intended to be made available. This is accomplished with a multilayer composite for the production of or use as micro-lou...  
WO/2018/148485A1
In accordance with one aspect, a diaphragm for an acoustic receiver is provided that includes a frame, a paddle flexibly coupled to the frame, and a gap between a portion of the paddle and the frame. The diaphragm further includes siloxa...  
WO/2018/143679A1
The present invention relates to an interchangeable module-type variable earphone, wherein a connecting module and a space varying module are sequentially coupled to a head module receiving a speaker module, by screwing the modules to ea...  
WO/2018/142754A1
A speaker device provided with: a magnetic circuit comprising an annularly formed magnet, a yoke which has a base surface part and a center pole part protruding from the base surface part, the center pole part being disposed while being ...  
WO/2018/143129A1
In order to provide a vibration plate with which the generation of noise during vibration is suppressed and desired vibration characteristics can be obtained even when an interlayer connection conductor is disposed, a vibration plate 2 i...  
WO/2018/138955A1
This sound generator for generating sound by vibrating a diaphragm (72) is provided with: a housing (1) having formed therein a first space (5) which is open to the atmosphere through a sound release hole (84), and also having formed the...  
WO/2018/138994A1
A speaker 100 comprises a main cone 1 and a sub cone 8. Linear thin-walled parts 10, 11 for reducing the thickness of the sub cone 8 are provided in a region including an outer side 14 and/or an inner side 13 of the sub cone 8. The linea...  
WO/2018/134568A1
There is provided a MEMS microphone as a microelectromechanical transducer comprising a flexible membrane, the flexible membrane comprising an electromagnetic waveguide. There is further provided a microelectromechanical system comprisin...  
WO/2018/131435A1
According to the present invention, a vibration plate 11 and a vibration support sheet 12 that supports the vibration plate 11 are provided in an opening part 6 of a frame fixed inside a case. The vibration support sheet 12 has a vibrati...  
WO/2018/131808A1
An embodiment relates to a high-quality electromagnetic speaker having improved accuracy of an air gap, wherein coils stacked on an upper part and a lower part of a vibrating module are reliably and accurately set by respective fixing me...  
WO/2018/128325A1
The present invention relates to an ultra-slim high-resolution electromagnetic speaker using a bridge-edge method, wherein a coil and a permanent magnet, which are a pair of magnetic circuits laminated in upper and lower portions of a vi...  
WO/2018/128936A1
A speaker assembly including a sound radiating surface suspended over a magnet assembly, a suspension member for suspending the sound radiating surface over the magnet assembly, a voice coil extending from a bottom side of the sound radi...  
WO/2018/128324A1
The present invention relates to a bridge-edge-type high-resolution electromagnetic speaker. As the bridge-edge-type high-resolution electromagnetic speaker has a structure in which coils and permanent magnets, which are a pair of magnet...  
WO/2018/123310A1
The flat panel speaker according to one embodiment of the present disclosure comprises a flat panel and a plurality of exciters that are arranged on a back surface of the flat panel. The plurality of exciters are arranged to avoid points...  
WO/2018/126224A1
Certain aspects of the technology disclosed herein involve an apparatus and method of operation for an audio device having a perforated diaphragm. Perforations extend along a plane of the perforated diaphragm. A driver is attached to the...  
WO/2018/123288A1
Disclosed is a display device that is provided with: a main body having a display panel and a sound generating unit; a stand that supports, from the rear surface side, the main body with respect to an installation surface; and a receivin...  
WO/2018/123292A1
The display device according to one embodiment of the present disclosure comprises: a thin-plate display cell that displays video; and a plurality of exciters that are arranged on a back surface of the display cell and make the display c...  
WO/2018/116834A1
There is provided a headphone device including: an external magnet type magnet unit that is disposed outside a voice coil, and vibrates the voice coil; and a diaphragm that is vibrated by vibration of the voice coil, and formed of a mate...  
WO/2018/103190A1
Disclosed are a cone speaker diaphragm and a speaker. The cone speaker diaphragm comprises a cone and a folded ring. The folded ring is ring-shaped. The folded ring comprises in an outward sequence: a connecting part, a folded ring body,...  
WO/2018/105392A1
A vibration element (201) is provided with a vibration plate (101) and a first magnet (magnet (41)). The vibration plate (101) comprises a stacked body (10A) in which a plurality of flexible insulating base material layers are stacked, a...  
WO/2018/106999A1
An acoustic receiver diaphragm includes a frame with an opening extending therethrough. A paddle is disposed in the opening, and a gap extends between portions of the paddle and the frame. A hinge connects the paddle to the frame. The hi...  
WO/2018/103310A1
Disclosed in the present invention are a cone-shaped speaker diaphragm and a speaker. The cone-shaped speaker diaphragm comprises a cone and a folding ring, the folding ring being annular, and the folding ring comprising, in order from i...  
WO/2018/100326A1
A loudspeaker diaphragm (12) comprising a woven fibre body supports damping material (25), for example PVA polymer, on a rearward-facing surface (24). The woven fibre body may be formed of lengths (14) non-metallic fibre material (for ex...  
WO/2018/101064A1
This vibration element includes: a flexible substrate that includes a resin substrate and a conductor pattern which is arranged on the resin substrate and form multiple coils; and a plurality of magnets that are arranged at positions opp...  
WO/2018/094724A1
A graphene speaker diaphragm, comprising a diaphragm substrate layer (12) and a graphene layer (11) adhered to a surface of the diaphragm substrate layer (12). By providing a diaphragm design meeting requirement of a miniature speaker an...  

Matches 1 - 50 out of 16,254