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WO/2017/158582A1 |
A haptic transducer comprising a magnetic plate, a plurality of coils each separately couplable to a signal generator such that axis of each coil is perpendicular to the plate and all coils are on a common side of the plate, and signals ...
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WO/2017/146323A1 |
A hybrid type dynamic speaker is disclosed. According to the present invention, two or more nozzle holes are formed in a mounting portion of a frame provided with a full-range generating speaker, and each nozzle hole is equipped with bal...
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WO/2017/125976A1 |
[Problem] To provide: an acoustic transducer device which is a balanced armature type capable of improving acoustic pressure without involving upsizing; and a sound output apparatus. [Solution] A projection-type display device according ...
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WO/2017/126040A1 |
[Problem] To provide a sound production device which enables easier assembling work and high-accuracy setting of relative positions of an armature and a diaphragm, and which eliminates the need for positioning work. [Solution] A flexible...
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WO/2017/118878A1 |
An electro-acoustic transducer including a housing having an interior volume with first and second interior volume portions and a sound aperture that extends to the first interior volume, a diaphragm located between the first and second ...
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WO/2017/116023A1 |
Disclosed is a noise shielding earset having an acoustic filter. The noise shielding earset having an acoustic filter according to the present invention comprises: a driver unit for generating sound; and an acoustic filter for covering a...
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WO/2017/116021A1 |
An earset having a hollow channel is disclosed. The earset having a hollow channel according to the present invention may comprise: a case; a speaker embedded in the case; a tube separated from an output space of speaker sound on the fro...
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WO/2017/115521A1 |
[Problem] To provide a method of manufacturing a sound generating device with which warping of an armature which activates a vibrating plate can me minimized. [Solution] An armature 32 is caused to vibrate by means of a magnetic field ge...
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WO/2017/103666A1 |
A transcutaneous bone conduction device includes magnets secured to housing of an external portion of the device. The magnets can be disposed within the housing, or secured to an external surface thereof. The magnets are disposed about a...
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WO/2017/105851A1 |
A microphone includes a base with a port extending therethrough, and a microelectromechanical system (MEMS) device coupled to the base. The MEMS device includes a diaphragm, a back plate, and a substrate. The substrate forms a back-hole....
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WO/2017/083626A1 |
An acoustic receiver assembly includes a housing with a receiver structure, e.g. a moving armature loudspeaker, configured to convert an electrical signal into sound energy that emanates through a channel of a sound tube coupled to the h...
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WO/2017/070535A1 |
At a configurable filter bank, commands or command signals are received from an external processing device. The commands or command signals are effective to configure and connect selective ones of the plurality of elements in the filter ...
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WO/2017/047187A1 |
[Problem] To provide: a sound generation device capable of positioning a magnetic field generation unit and an armature and also capable of assembly without adjustment; and a production method therefor. [Solution] A magnetic field genera...
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WO/2017/047198A1 |
[Problem] To provide: a sound generation device whereby the relative positions of a magnet and an armature can be set with high precision and do not require adjustment; and a production method therefor. [Solution] A sound generation devi...
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WO/2017/047200A1 |
[Problem] To provide a sounding device that is capable of improving the vibration characteristics of a vibration plate supported by a flexible sheet. [Solution] A flexible sheet 12 is attached via a resin film to a vibration-side opening...
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WO/2017/047188A1 |
[Problem] To provide a sound production device in which a sufficiently wide placement space for a diaphragm can be ensured and a magnetic field generation unit and an armature can be stably secured to a wide mounting surface. [Solution] ...
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WO/2017/018074A1 |
The purpose of the present invention is to improve an acoustic characteristic without causing increases in manufacturing cost and size. An acoustic transducer is provided with: a drive unit comprising a yoke formed of a magnetic material...
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WO/2017/011461A1 |
A first acoustic transducer has an armature, and the armature moves within a magnetic field. The first transducer also comprises a first coil. A second acoustic transducer has a first outer circumferential edge and an inner circumferenti...
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WO/2017/007093A1 |
An acoustic transducer includes a first acoustic module and a second acoustic module. The first acoustic module includes a first motor, a first rod driven by the first motor, and a first vibrating plate connected to the first rod and vib...
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WO/2016/191453A1 |
Microphone devices are disclosed. The microphone device includes a base, a lid, a side wall between the base and the lid, and a MEMS die. The side wall includes a first portion with a first width and a second portion with a second width ...
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WO/2016/155812A1 |
The present invention relates to a magnetically balanced electrodynamic motor assembly for bone conductor vibrators comprising a first magnetic circuit adapted to generate a constant magnetic flux, and a second magnetic circuit adapted t...
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WO/2016/137713A1 |
A balanced armature ("BA") based valve is described. The valve includes a motor having a coil assembly and a magnetic system, an armature extending through or being located adjacent to the motor, a drive pin coupled to the armature, and ...
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WO/2016/116732A1 |
An in-ear monitor for fitting within the ear canal of a user, the monitor comprising a body part (2, 5) and an audio outlet port (1), and a flexible ear tip (6) for fitting over the outlet port and within the ear canal, the body portion ...
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WO/2016/099928A1 |
An apparatus includes a first armature and a second armature, wherein the first armature and the second armature are coupled together in a common connection region; a coil, wherein at least a portion of the common connection region exten...
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WO/2016/079385A1 |
There is provided an apparatus comprising: 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 th...
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WO/2016/063462A1 |
Provided is an earphone comprising: a housing; a dynamic-type driver unit located in the housing; and a sound guide tube the length of which is approximately 10 mm or more and which transmits sounds outputted from the dynamic-type driver...
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WO/2016/037445A1 |
The present invention relates to the technical field of acoustics. Disclosed is a sound-emitting component of a headset or a speaker, comprising a bracket, a moving-coil unit and a moving-iron unit; a back side of the bracket is provided...
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WO/2016/033912A1 |
The present utility model discloses a shielding case using a moving iron unit and used for a speaker. The shielding case using a moving iron unit and used for a speaker, of the present utility model, comprises an upper case and a lower c...
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WO/2015/161874A1 |
A microphone assembly (1) is provided, comprising a transducer (2) and a voltage supply (6) for the transducer (2). The voltage supply (6) is configured to supply a temperature dependent voltage for reducing a temperature dependency of t...
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WO/2015/141945A1 |
Disclosed are a cable assembly constituted with a coaxial cable and a plurality of signal cables, a camera module, and a camera device for a vehicle including the same. The camera device for a vehicle comprises: a camera module including...
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WO/2015/134373A1 |
A loudspeaker includes an acoustic diaphragm, an oscillatory force source, a lever that couples the oscillatory force source to the acoustic diaphragm, and a pivot that is coupled to the lever such that the lever pivots about a pivot axi...
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WO/2015/134584A1 |
A loudspeaker includes an acoustic diaphragm, an oscillatory force source, a lever coupling the oscillatory force source to the acoustic diaphragm, and a pivot coupled to the lever such that the lever moves in an arcuate path about the p...
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WO/2015/134594A1 |
An apparatus includes a load and a first armature. A first lever mechanically couples the first armature and the load. Motion of the first armature causes the first lever to pivot about a first pivot axis. The apparatus also includes a s...
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WO/2015/134586A1 |
A loudspeaker includes an acoustic diaphragm, a lever, and an oscillatory force source for driving the lever in oscillatory, rotary motion about a pivot axis. The loudspeaker also includes a connector that couples the lever to the acoust...
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WO/2015/088909A1 |
Certain embodiments provide a system and method for measurement of the force applied to a bone-conduction oscillator during application to a subject, resolving the measured force relative to a pre-determined criteria, and providing an in...
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WO/2015/057909A1 |
An electroacoustic transducer for converting electric signals into acoustic waves and outputting the acoustic waves is disclosed. The transducer includes a housing having an outlet for the acoustic waves on a front surface side, a balanc...
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WO/2015/022817A1 |
[Problem] To enable acoustic characteristics to be further improved. [Solution] The provided headphone is equipped with: a driver unit having a diaphragm; a housing that houses the driver unit and forms a sealed front air chamber to the ...
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WO/2015/021851A1 |
An earphone loudspeaker comprises an earphone loudspeaker body. The earphone loudspeaker is internally provided with a front cover (21), a sound diaphragm (22), a U cup (23), and a back cavity cover (20). A front cavity (28) is formed be...
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WO/2014/163999A1 |
A microphone system includes a diaphragm suspended by springs and including a sealing layer that seals passageways which, if left open, would degrade the microphone's frequency response by allowing air to pass from one side of the diaphr...
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WO/2014/151827A2 |
An apparatus related to a contactless sound device, such as a horn, which may be configured to output different and/or multiple pitches using a replaceable, or interchangeable, electronic integrated circuit ("IC") module is disclosed. Th...
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WO/2014/149929A1 |
An apparatus includes at least one load and a plurality of armatures, each including a permanent magnet, which are coupled to the at least one load to cause the at least one load to move. The apparatus also includes a common stator that ...
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WO/2014/149940A1 |
An apparatus includes a load, a lever that is coupled to the load, and an electric motor that is coupled to the lever for driving the lever in oscillatory, rotary motion about a pivot axis. The electric motor includes an armature and a s...
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WO/2014/116388A1 |
A first driver housing and a second driver housing are positioned inside an earbud cup. The first driver housing has a rear side, a front side, a top face a bottom face, and a sound output tube extending from the front side. The second d...
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WO/2014/072299A1 |
An electromagnetic transducer (1) is disclosed, comprising: a ring magnetic assembly (3), a first coil (6) disposed in the magnetic field generated by the magnetic assembly (3), such that the first coil (6) reciprocally moves with respec...
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WO/2014/063820A1 |
Vibration-reducing device (compensation chamber) for housings, especially of electroacoustic transducers (loudspeaker housings), the compensation chamber being hermetically enclosed on all sides relative to the surrounding air, character...
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WO/2014/017753A1 |
The present invention relates to a speaker. The speaker, according to the present invention, has permanent magnets disposed on both open sides of a solenoid coil shaped as a square container. According to the present invention, a uniform...
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WO/2013/079930A9 |
An electro-acoustic transducer (100) comprising: a body (110) defining a mounting surface (114) for mounting the electro-acoustic transducer (100) on a substrate and an opening (120) for allowing sound to enter or exit the body (110); a ...
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WO/2013/170512A1 |
Disclosed is a laminated armature apparatus used in a moving-iron speaker or telephone receiver, with an improved structure. The apparatus is composed of superposed functional pieces of a planar structure, including a vibrating tongue pi...
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WO/2013/170510A1 |
Disclosed is an armature apparatus for a moving-iron speaker or telephone receiver, with improved structure. The apparatus comprises a vibrating tongue piece, a support pin, and a connecting portion, wherein the vibrating tongue piece is...
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WO/2013/170508A1 |
Disclosed is a magnetic yoke apparatus for a moving-iron speaker or telephone receiver, with improved structure and manufacturing techniques. The apparatus comprises an upper and a lower portion, the two portions both being half-box stru...
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