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公开(公告)号：US11832071B2
公开(公告)日：2023-11-28
申请号：US17327743
申请日：2021-05-23
发明人： Takeo Matsukawa , Jaekwon Yoo
摘要： An audio converter system is provided. The system comprises an audio input configured to receive a source audio, an audio output configured to couple to a hybrid speaker comprising at least two nondirectional speakers and a directional speaker, and a processor configured to generate an output audio for the hybrid speaker based on the source audio by: identifying a specific sound in the source audio, isolating the specific sound from the source audio, generating a directional speaker output for the directional speaker of the hybrid speaker based on the specific sound, and generating at least two channels of nondirectional speaker output for the at least two nondirectional speakers of the hybrid speaker.
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公开(公告)号：US20230353944A1
公开(公告)日：2023-11-02
申请号：US18136962
申请日：2023-04-20
申请人： EM-TECH Co., Ltd.
发明人： Gang Tae Kim , Heung Woo Jeong , Hyun Woo Jeong , Hyeon Sik You
摘要： A waterproof microspeaker includes: a frame; a magnetic circuit provided below the frame and including a yoke, inner and outer magnets, and a top plate; a voice coil located between the magnets and configured to vibrate by a magnetic field of the magnetic circuit and mutual electromagnetic force when an electric signal is applied; and a diaphragm housing provided above the frame. The diaphragm housing includes: a sidewall portion provided above the frame and having a predetermined height; an edge dome portion protruding upwardly or downwardly along an inner circumference of the sidewall portion; and a diaphragm provided inside the edge dome, allowing an upper end of the voice coil to be fixed thereto, and configured to generate sound by vibration of the voice coil. The diaphragm includes a polymeric material including metal or plastic and is inserted into an inner circumferential portion of the edge dome portion.
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公开(公告)号：US20230117408A1
公开(公告)日：2023-04-20
申请号：US17906662
申请日：2021-03-15
申请人： PSS BELGIUM NV
发明人： Fabian Vuine
摘要： A loudspeaker configured to be mounted in a seat assembly is disclosed. The loudspeaker includes: a diaphragm having a first radiating surface and a second radiating surface, wherein the first radiating surface and the second radiating surface are located on opposite faces of the diaphragm; a drive unit configured to move the diaphragm based on an electrical signal; a loudspeaker support structure, wherein the diaphragm is suspended from the loudspeaker support structure via one or more loudspeaker suspension elements.
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公开(公告)号：US11223906B2
公开(公告)日：2022-01-11
申请号：US16578038
申请日：2019-09-20
发明人： Yahui Zhang
摘要： An acoustic receiver includes a cover made from an electrically non-conductive material configured to cover an open end of a housing portion of the acoustic receiver. The cover has an inner surface and an outer surface. A motor is disposed on the inner surface, while electrical contacts are disposed on the outer surface. The motor is connected to the electrical contacts on the outer surface. Various electrical components, such as integrated circuits and sensors, are disposed on the outer surface. In one embodiment, the cover is a printed circuit board.
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公开(公告)号：US11172308B2
公开(公告)日：2021-11-09
申请号：US16273769
申请日：2019-02-12
申请人： Curtis E. Graber
发明人： Curtis E. Graber
摘要： An electric motor including two magnetic assemblies each having an even number of magnets in a circular arrangement, the magnets arranged in a bucking configuration with like poles directed at each other. There are a plurality of ferrous members for each of the magnetic assemblies arranged between each of the magnets. The ferrous members having a face that is directed radially toward a face of another ferrous member of the corresponding magnetic assembly. An electromagnetic assembly has a plurality of electromagnetic members arranged in a generally circular arrangement and is located radially between the two magnetic assemblies. Each electromagnetic member has a ferrous element with an electrical conductor wound around the ferrous element, each ferrous element having an inward and outward face respectively being directed to the ferrous members of the two magnetic assemblies as they pass each other as the magnet assemblies rotate relative to the electromagnetic assembly.
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公开(公告)号：US10893367B2
公开(公告)日：2021-01-12
申请号：US16335690
申请日：2017-09-21
申请人： Mayht Holding B.V.
摘要： Loudspeaker unit with a membrane (2) and a plurality of drive units (5) driving the membrane (2). Each of the plurality of drive units (5) has n voice coils (3) and at least n+1 magnets (4), n being an integer larger than or equal to 1. The magnets (4) have an axial magnetization and are stacked in axial direction with similar pole parts of adjacent ones of the at least n+1 magnets facing each other. The at least n+1 magnets (4) are separated in the stack over a magnet separation distance (dm), the magnet separation distance (dm) being substantially equal to a width (ws) in the stack direction of the at least n voice coils (3).
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公开(公告)号：US20200088184A1
公开(公告)日：2020-03-19
申请号：US16075719
申请日：2018-08-03
发明人： Joseph F. Pinkerton
摘要： Electromagnet venturi pump/transducer systems and methods to make and use same. The membrane is made from a material that can be, for example, a steel membrane, having a ferrite disk that is pulled by the electromagnet to a set point and then the stiff membrane is oscillated about that set point.
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公开(公告)号：US20190289399A1
公开(公告)日：2019-09-19
申请号：US16427377
申请日：2019-05-31
申请人： PS AUDIO DESIGN OY
发明人： Vesa Kajanus
摘要： An apparatus includes a surface arranged to be mechanically displaced, first permanent magnet coupled with the surface, at least one supporting member for supporting the surface, base, second permanent magnet, coil coupled with the second magnet, and signal port electrically coupled with the coil. An electrical signal is configured to travel between the signal port and the coil. The electrical signal in the coil is proportional to mechanic displacement of the surface when a force equilibrium state of the surface is broken by the electrical signal in the coil or the mechanic displacement of the surface from a position of the force equilibrium state. The coil is arranged at least partially between the first magnet and the second magnet or around one of the first magnet, the second magnet. Either the same or different polarities of the first and second magnets are arranged to directly face each other at a distance.
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公开(公告)号：US10349179B2
公开(公告)日：2019-07-09
申请号：US16138993
申请日：2018-09-22
申请人： PS AUDIO DESIGN OY
发明人： Vesa Kajanus
摘要： An apparatus includes a surface arranged to be mechanically displaced, a first permanent magnet coupled with the surface, at least one supporting member for supporting the surface, a base, a second permanent magnet, a coil coupled with the second magnet, and a signal port electrically coupled with the coil. An electrical signal is configured to travel between the signal port and the coil. The electrical signal in the coil is proportional to mechanic displacement of the surface when a force equilibrium state of the surface is broken by the electrical signal in the coil or the mechanic displacement of the surface from a position of the force equilibrium state The coil is arranged at least partially between the first magnet and the second magnet or around one of the first magnet, the second magnet. Either the same or different polarities of the first and second magnets are arranged to directly face each other at a distance.
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公开(公告)号：US09729974B2
公开(公告)日：2017-08-08
申请号：US14976970
申请日：2015-12-21
IPC分类号： H04R11/02 , H04R23/02 , H04R9/02 , H04R9/08 , H04R11/04 , H04R1/24 , H04R7/12 , H04R7/18 , H04R13/00
CPC分类号： H04R23/02 , H04R1/24 , H04R7/122 , H04R7/18 , H04R9/025 , H04R9/08 , H04R11/02 , H04R11/04 , H04R13/00 , H04R2499/11
摘要： The present invention relates to a compact and robust hybrid receiver comprising a moving coil type receiver and one or more moving armature type receivers, wherein the moving coil type receiver and the moving armature type receiver, at least partly, share a common magnetic circuit.
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