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WO/2024/052117A1 |
A bass loudspeaker system (10) including: a housing (100); a first diaphragm (210) and a second diaphragm (220); a first drive unit (310) and a second drive unit (320), each drive unit including a stationary part attached to the housing ...
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WO/2024/013618A1 |
An apparatus includes at least one actuator configured to generate vibrations over a range of vibration frequencies. The at least one actuator includes a housing configured to be positioned on or within a recipient's body. The actuator f...
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WO/2023/230588A1 |
Novel tools and techniques are provided for implementing a headband with bone conduction speakers. In various embodiments, a headband-based speaker system may include a headband portion and bone conduction speaker assemblies disposed on ...
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WO/2023/194163A1 |
There is provided a loudspeaker (100) including a frame (200), a diaphragm (300) suspended from the frame and a drive unit (400); wherein the drive unit has a stationary part (420) secured to the frame and a translatable part (440) secur...
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WO/2023/125401A1 |
The present application provides a loudspeaker unit and an electronic device. The loudspeaker unit is provided with a limiting structure corresponding to a non-fixed part of a base of an armature for limiting the maximum offset of the no...
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WO/2023/051005A1 |
The present application provides a coil-iron loudspeaker assembly and an earphone. The coil-iron loudspeaker assembly comprises a moving coil loudspeaker, a moving iron loudspeaker, and an elastic member. The moving coil loudspeaker is p...
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WO/2023/005269A1 |
A diaphragm, comprising a bracket, a vibrating wing, and a film thermally formed on the surfaces of the bracket and the vibrating wing. The bracket and the vibrating wing are formed by stamping a same metal plate. The vibrating wing is l...
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WO/2023/005268A1 |
A balanced armature driver, comprising a housing that is internally provided with a cavity, a diaphragm that divides the cavity into an upper cavity and a lower cavity, and a motor assembly that is fixed in the lower cavity. The housing ...
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WO/2023/003807A1 |
Electroacoustic drivers that can be utilized in loudspeaker systems that utilize drivers having a magnetic negative spring (MNS). The MNS has an asymmetrical magnet design so that it can cancel or partially cancel the differential air pr...
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WO/2022/248768A1 |
An arrangement for producing sound in an electronic device comprises a magnetic vibrator (101) comprising a first part (203) and a second part (204) provided with permanent magnets, and at least one induction coil (205). The arrangement ...
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WO/2022/225612A1 |
Provided in this disclosure is an acoustic adapter which includes an interior enclosure for substantially surrounding a back of a speaker driver and for defining a predetermined three-dimensional interior volume (3DV1) around the back of...
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WO/2022/223509A1 |
The invention relates to a transducer comprising a housing, the housing at least partly accommodating: at least one moveable element; at least one drive means for moving the at least one moveable element, the at least one drive means com...
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WO/2022/128063A1 |
The invention relates to an electromagnetic signal converter for a bone conduction receiver, comprising: - at least one soft-magnetic armature (4) which can be moved relative to a pole (1a, 1b) that supports at least one electric coil, -...
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WO/2022/101547A1 |
A transducer converts electric signals into mechanical vibrations. It has an upper part (401), a lower part (402), an outer permanent magnet arrangement (403) and an upper cover (406) in the upper part (401), and an inner permanent magne...
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WO/2022/097938A1 |
The present invention relates to a bone conduction headset including a mask attachment/detachment means, the headset comprising: a pair of module bodies including mask fixation means for fixing both lateral ends of a mask which covers th...
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WO/2022/054770A1 |
Provided is an electromechanical converter comprising: a structure part that has two pairs of magnets which have different magnetic poles thereof facing each other, yokes which guide, in a closed-circuit manner, magnetic flux produced by...
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WO/2022/021820A1 |
Provided in the present application are a loudspeaker and an electronic device. The loudspeaker comprises a loudspeaker housing, a magnetic circuit system, a diaphragm structure and a driving rod. The magnetic circuit system, the diaphra...
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WO/2022/021414A1 |
Provided in the present application are a loudspeaker and an electronic device. The loudspeaker comprises a loudspeaker housing, a magnetic circuit system, a diaphragm structure, and a driving rod. The magnetic circuit system, the diaphr...
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WO/2021/236063A1 |
An actuator module includes a rigid frame defining a space; a magnet assembly positioned in the space such that the rigid frame extends around a perimeter of the magnet assembly; and a multi-layer spring structure suspending the magnet a...
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WO/2021/216076A1 |
A panel audio loudspeaker having a panel extends in a plane and an actuator is coupled to the panel. The actuator includes a voice coil attached to and extending from the panel along an axis, a magnet assembly suspended from the panel vi...
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WO/2021/197608A1 |
A panel assembly (1) for an electronic device (2) comprising a display module (3) comprising a display panel (3a) and a cover layer (3b), a support structure (4), and a suspension arrangement (5) configured to allow displacement of the d...
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WO/2021/191492A1 |
Acoustic transducer comprises an upper part (301) and a lower part (302), with a first permanent magnet (303) in the upper part (301) and a second permanent magnet (304) in the lower part (302). Similarly named magnetic poles of the firs...
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WO/2021/176483A1 |
An acoustic transmitter (1) intended to be coupled to a rigid surface, which comprises an enclosure (2) constituted by a base plate (3) surmounted by a tubular body (4) and a cover (5). The following components are accommodated in the en...
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WO/2021/173688A1 |
A microphone assembly includes a housing defining an acoustic cavity having a sound inlet for transmitting a sound in to the acoustic cavity. A micro-electro-mechanical (MEMS) microphone is located at least partially within the housing a...
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WO/2021/128004A1 |
Disclosed is a loudspeaker. The loudspeaker comprises a vibrating diaphragm, a voice coil, and central magnetic steel, wherein the voice coil is fixed below the vibrating diaphragm and is used for driving the vibrating diaphragm; the cen...
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WO/2021/115585A1 |
A vibrating actuator for producing two different vibrations is disclosed, comprising a first moving part (210) including at least three magnets (320), wherein the magnets (320) are arranged with like polarities facing each other; a secon...
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WO/2021/118920A1 |
A panel audio loudspeaker includes an actuator module. The actuator module includes an intermediate layer. The intermediate layer has a voice coil connected to the intermediate layer at a first surface. The actuator module includes a mag...
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WO/2021/116385A1 |
A vibrating actuator having two different resonant frequencies is disclosed. The vibrating actuator comprises a first moving part (210) having an arrangement of magnets (320). In one embodiment, the arrangement of magnets (320) comprises...
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WO/2021/092540A1 |
Electroacoustic drivers that can be utilized in loudspeaker systems that utilize bidirectional force electromagnet transducers or piezoelectric transducers. The electroacoustic drivers can include motion amplifiers such as lever arms. Th...
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WO/2021/061055A1 |
The invention generally relates a transducer apparatus in a device to obtain high signal-to-noise-ratio signals including speech in a noisy environment by a non-acoustic transducer or sensor adapted in two ways. One, adapted to sense fre...
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WO/2021/053883A1 |
According to the present invention, a diaphragm 15 is disposed on a yoke 3. A recess 19 is formed in the upper surface of the diaphragm 15. A first metal plate 17 is disposed in the recess 19. A permanent magnet 23 is disposed on the app...
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WO/2021/040920A1 |
An actuator module includes a baseplate extending in a plane, a voice coil connected to the baseplate, and a magnet assembly. The actuator module also includes a rigid frame attached to the baseplate, the rigid frame comprising four stub...
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WO/2021/019195A1 |
An actuator module includes a base plate extending in a plane, a voice coil connected to the base plate, and a magnet assembly that includes a back side facing the base plate and a front side facing away from the base plate. The magnet a...
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WO/2021/021483A1 |
An all-terrain or utility vehicle includes an audio system having at least one speaker. The at least one speaker may be positioned at a forward portion of the operator area and may be supported by a body panel. More particularly, the bod...
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WO/2021/003795A1 |
Disclosed is a magnetic potential transducer, comprising a fixed component and a moving component (C). The fixed component comprises at least one magnetostatic field generation apparatus (a), wherein the magnetostatic field generation ap...
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WO/2020/259299A1 |
Disclosed is a mobile terminal, comprising: a first terminal portion provided with a first sound output hole; and a second terminal portion provided with a second sound output hole and a receiver, the second terminal portion being capabl...
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WO/2020/237711A1 |
The present utility model provides a vibration transmission plate comprising a plate body. The plate body comprises an outer ring plate, n wave-shaped plates connected to an inner side of the outer ring plate, a middle ring plate connect...
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WO/2020/173551A1 |
A magnet actuator (1) comprising a first housing arrangement (2) comprising a first housing (2a), a first balancing magnet (2b), and a first coil (2c) partially surrounding the first balancing magnet (2b), a second housing arrangement (3...
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WO/2020/176147A1 |
A distributed mode loudspeaker (DML) includes a flat panel extending in a panel plane. The DML also includes a rigid, elongate member displaced from the flat panel and extending parallel to the panel plane, the elongate member being mech...
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WO/2020/164696A1 |
A magnet actuator (1) comprising a first housing arrangement (2) comprising a first housing (2a), a first balancing magnet (2b), a first coil (2c) partially surrounding the first balancing magnet (2b), and a first suspension means (2d), ...
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WO/2020/129021A1 |
An apparatus, including an implantable portion of a transcutaneous bone conduction device and a pedestal attached to the implantable portion, the pedestal configured to be implanted into a skull bone of a recipient. In an exemplary embod...
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WO/2020/107400A1 |
The present application relates to the technical field of loudspeakers, and provides a receiver and a hearing aid with the receiver. The receiver comprises an upper shell, a lower shell, an armature, a first permanent magnet, a second pe...
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WO/2020/103757A1 |
The present disclosure relates to a sound production module (20) and an electronic device (100). The sound production module (20) comprises a vibrating diaphragm (23), a moving iron unit (22), a voice guide tube (24), and an earphone soc...
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WO/2020/096356A1 |
The present invention relates to the structure of a magnetic circuit of a bone conduction vibration transducer capable of maximizing driving force. The purpose of the present invention is to divide a winding into two and separate and pla...
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WO/2020/096134A1 |
The present invention relates to a speaker unit. The objective of the present invention is to provide a technique for appropriately controlling a distortion phenomenon of sound signal reproduction by reducing a variation in impedance. A ...
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WO/2020/086444A1 |
An acoustic device and method generates an acoustic signal by applying an excitation signal to a first coil disposed about an armature of an acoustic receiver. A second coil magnetically coupled to the first coil generates an electrical ...
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WO/2020/030239A1 |
A printed wiring board (1) for use in an electronic device (10), the printed wiring board comprising at least one integrated circuit (15) and a voice coil (3), the voice coil (3) being formed integrally with the printed wiring board (1)....
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WO/2020/001787A1 |
A magnet actuator (1) for use in an electronic device (2) comprising a coil (3), a magnet (4), a first housing (5), and a second housing (6), the coil (3) being at least partially located within, and fixed to, the first housing (5), the ...
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WO/2019/238204A1 |
A magnet actuator (1) for use in an electronic device, comprising a first magnet arrangement (2), a second magnet arrangement (3), comprising a first magnet (3a) and a second magnet (3b), and a coil (4) arranged between the first magnet ...
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WO/2019/218494A1 |
The embodiments of the present application relate to the field of telephone receivers, and provide a moving iron receiver, comprising: a shell, which comprises an upper shell and a lower shell, which upper shell and lower shell are snap-...
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