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WO/2013/149454A1 |
Provided is an assembling method for a micro-loudspeaker assembly. The method comprises the steps of: a. preparing a chuck ring material plate and a vibrating diaphragm material plate, and stamping a number of chuck ring inner holes in t...
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WO/2013/144122A1 |
A microphone having a microphone capsule (10) is provided. The microphone capsule (10) has a diaphragm carrier (40), a diaphragm (20) and an adhesive tape ring (30) which is used to fasten the diaphragm (20) to or in the diaphragm carrie...
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WO/2013/141369A1 |
This diaphragm for an electroacoustic transducer has a base material, and is formed by sputtering a thin-film layer, which has a thickness of not more than 40 nanometers and comprises a metal or ceramic material, on at least one side of ...
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WO/2013/141373A1 |
This speaker diaphragm, which is integrally molded by press working a sheet-like base material, has a diaphragm body, and an edge section surrounding the periphery of the diaphragm body. The diaphragm body and the edge section have diffe...
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WO/2013/140839A1 |
[Problem] To propose a headphone driver and a speaker that each use a bonded magnet, and a method for manufacturing a headphone driver or a speaker. [Solution] This headphone driver comprises a yoke which has a bottom surface and an erec...
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WO/2013/137821A1 |
A loud speaker enclosure and a method of forming the loudspeaker enclosure comprising the following steps: combining a first layer of a sheet material, a middle layer of a cored configuration and a second layer of the sheet material by u...
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WO/2013/137362A1 |
The present invention can obtain a vibrating plate having favorable production characteristics, as well as a large Young's modulus and internal loss. The speaker vibrating plate (1) is provided with at least one layer (1A) resulting from...
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WO/2011/049319A9 |
The present invention relates to a method and apparatus for manufacturing a passive component for an acoustic transducer, in which ultrasonic waves are generated when a metal oxide filler is mixed with an epoxy resin, a hardener is added...
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WO/2013/130520A1 |
A surround for supporting a diaphragm used to create acoustic waves includes a plurality of first rib sections extending away from the diaphragm and a second rib section having a zigzag pattern and being secured to an end of each of the ...
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WO/2013/121640A1 |
In the present invention, a through-hole (33) is provided, which is open above and below, upon a silicon substrate (32). A diaphragm (35) is disposed above the through-hole (33) of the silicon substrate (32). The periphery of the diaphra...
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WO/2013/115270A1 |
[Problem] To reduce the size and increase the pressure detection sensitivity of a semiconductor pressure sensor. [Solution] At least two deep indentations or through holes are formed adjacent in the thickness direction of a semiconductor...
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WO/2013/114968A1 |
An ultrasonic vibrator array (40) in the present embodiment has: a substrate (41); a plurality of groove-like recessed portions (41A), which are disposed at predetermined intervals on one surface of the substrate (41); cell regions (31),...
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WO/2013/111250A1 |
A filler and pulp are mixed after a beating step for the pulp, thereby achieving a mixture of the pulp and the filler. Steps are provided in which an additive is added to the mixture, after which papermaking is performed, after which hot...
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WO/2013/097769A1 |
Disclosed are an integrated loudspeaker and a manufacturing method thereof, and a loudspeaker box comprising the integrated loudspeaker. The integrated loudspeaker comprises at least one speaker system; at least one passive sound effect ...
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WO/2013/097378A1 |
The present invention relates to a loudspeaker box module, and particularly relates to a loudspeaker that produces sound through the mechanical vibration generated by electromagnetic force and a manufacturing method therefor. The loudspe...
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WO/2013/089239A1 |
In an actuator (50), a bobbin (511) to which a voice coil (513) is attached is disposed within a magnetic path space formed by a magnetic path forming unit (52). A connecting shaft (514) is linked to the bobbin (511), and a connection en...
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WO/2013/081078A1 |
An electrostatic speaker is provided with: a vibrating body that is a sheet-shaped body having electrical conductivity and flexibility; a first buffer material layer and a second buffer material layer that are sheet-shaped bodies having ...
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WO/2013/071951A1 |
A MEMS microphone having reduced parasitic capacitance is provided. Therefore, the microphone comprises a trench electrically separating an acoustically active section of the backplate from an acoustically inactive section of the backplate.
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WO/2013/051524A1 |
An ultrasonic sensor (101) is provided with: a bottomed cylindrical case (31) having a bottom section (31b) and side wall section (31a); a piezoelectric element (32) disposed inside the bottom of the case (31); terminals (43), which are ...
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WO/2013/047792A1 |
[Problem] To enable a speaker to be made small, light, and thin, and an overall drive current to be reduced without significantly degrading the driving capability. [Solution] This speaker is provided with: a frame member (11); a diaphrag...
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WO/2013/031811A1 |
A cavity (44) is provided in a substrate (42) so as to penetrate from the front surface to the back surface of the substrate. A thin-film diaphragm (43) for sensing acoustic vibration above the substrate (42) is provided over the cavity ...
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WO/2013/032821A1 |
This disclosure provides systems, methods and apparatus for sense elements in an electromechanical microphone device. In one aspect, a piezoelectric sense element may include a glass substrate, electrode layers, piezoelectric layers, and...
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WO/2013/028399A2 |
A microphone assembly comprising includes a base, at least one side wall, and a cover. The at least one side wall is disposed on the base. The cover is coupled to the at least one side wall. The base, the side wall, and the cover form a ...
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WO/2013/020794A1 |
The invention relates to an electroacoustic transducer, comprising a magnet system (120), which is produced by means of at least one two-component powder injection molding method and which is debound.
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WO/2013/008470A1 |
Provided are an acoustic matching body with stable density, a high-sensitivity ultrasonic transducer, and an ultrasonic flowmeter whereby a stable and high-accuracy flow measurement can be achieved. An acoustic matching body (19) is comp...
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WO/2013/006576A1 |
Non-occluding earbuds and methods for making the same are disclosed. The earbud has a non-occluding housing having a directional port positioned offset with respect to a center axis of the housing. The directional port may be constructed...
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WO/2013/002207A1 |
[Problem] To provide a vibrating element that comprises a substrate-side electrode provided on one surface of an insulating substrate and an opposing plate having an opposing electrode arranged in opposition to the substrate-side electro...
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WO/2012/155726A1 |
The invention discloses a vibrating plate device of an electromagnetic vibrator； the vibrating plate device comprises at least one vibrating plate module with a substrate, a vibrating plate and an upper dangling edge; and the inner edg...
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WO/2012/157769A1 |
An objective of the present invention is to provide an ultrasound transducer and an ultrasound probe with which it is possible to ensure a connection path while avoiding complexity in the process of manufacturing a non-conductive audio c...
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WO/2012/143151A1 |
The invention relates to a microelectromechanical sound detection apparatus, comprising a substrate, a housing, at least one opening for sound to pass through and a microelectromechanical element for picking up sound, wherein the housing...
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WO/2012/144226A1 |
The purpose of the invention is to provide an ultrasound probe having an acoustic adjustment layer that can propagate ultrasonic waves efficiently to live bodies. An ultrasound probe (10), which is equipped with piezoelectric transducers...
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WO/2012/134806A1 |
A water-resistant composite paper, suitable for use as a loudspeaker component, is made from a composition including hydrophobic fibers, stiffening fibers that retain stiffness when wet, and fluorocarbon. In some examples, fibrillated ac...
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WO/2012/130989A1 |
A microphone comprises a first electret microphone portion (801) having a first free space (813) and a second electret microphone portion (802) having a second free space (823), wherein the first and second electret microphone portions (...
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WO/2012/122869A1 |
An MEMS microphone and a forming method therefor. The MEMS microphone comprises: a substrate, the substrate is provided with a first surface and a second surface opposite to the first surface, an opening running through the substrate, a ...
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WO/2012/122872A1 |
An MEMS microphone and integrated pressure sensor, comprising: a first substrate having a sensing diaphragm of a capacitive pressure sensor unit, a sensitive diaphragm of a microphone unit, and a first bonding layer on a surface of the f...
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WO/2012/122871A1 |
A micro-electro-mechanical system (MEMS) microphone and a forming method therefor. The MEMS microphone comprises: a first substrate, the first substrate is provided with a first bonding face, the first substrate comprises an MEMS microph...
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WO/2012/114538A1 |
A plurality of acoustic sensors (51) is provided on an Si wafer (73). A plurality of interposers (52) having a cavity (70), penetrating electrodes (65, 66), and the like is integrally formed using an Si wafer (74). That surface of the ac...
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WO/2012/114156A1 |
An acoustic transducer comprising: a flexible membrane; and a tension actuator, wherein the tension actuator is configured to be electrically controllable and define to the acoustic properties of the transducer dependent on the tension o...
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WO/2012/102394A1 |
The objective of the present invention is to provide an ultrasonic transducer and ultrasonic probe that are able to secure an electrical conductive path while avoiding the complication of a step for producing a non-conductive acoustic ma...
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WO/2012/081772A1 |
The present invention relates to a condenser microphone structure appropriate for vacuum suction mounting, and a mounting method of the condenser microphone structure. A condenser microphone according to the present invention includes a ...
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WO/2012/017504A1 |
A microphone has a first electrode, and a second electrode which is formed so as to face the first electrode across a hollow portion, wherein the first electrode is a parallel-plate-type provided with an electret layer. The manufacturing...
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WO/2012/008460A1 |
An electrostatic loudspeaker comprising a first electrode, a second electrode which faces the first electrode, and a vibrating body which is arranged between the first electrode and the second electrode and is composed of an insulating f...
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WO/2012/006213A1 |
A transducer and method of forming a transducer is disclosed. The method comprises locating a feed wire for forming a drive pin on a reed surface, welding a first end of the feed wire to the reed, cutting the feed wire to form a drive pi...
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WO/2012/006212A1 |
A balanced armature motor assembly has a circuit board mounted to a bobbin. A first end of a wire coil is secured to a first terminal on the circuit board and passes through a first cutout of the bobbin. A second end of the wire coil is ...
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WO/2011/158429A1 |
Disclosed is a converter module, which has a converter and a rectangular semiconductor substrate on a rectangular substrate, and which has a small size and low cost. The converter module is provided with: the substrate (2) having a subst...
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WO/2011/148618A1 |
An ultrasonic probe, which can dampen ultrasonic waves outputted to the back-face side thereof, while restraining the thickness of a packing layer, is provided with: a piezoelectric oscillator (1) to be used for transmitting/receiving ul...
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WO/2011/148740A1 |
Disclosed is an acoustic sensor (1), wherein a conductive vibrating membrane (14) and an upper fixed electrode plate (5) are arranged on the upper face of a silicon substrate (11) so that an air gap (22) is provided between the conductiv...
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WO/2011/144438A1 |
A loudspeaker having a magnet system and a method of assembling the magnet system is disclosed. The magnet systern comprises a magnet that has a first surface, a second surface and an aperture; an armature core that has a first surface, ...
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WO/2011/132531A1 |
Disclosed is an ultrasound probe wherein the bending of a CMUT due to thermal stress produced at the joint between a backing layer and the CMUT is minimized, thereby improving the durability of the bond between the CMUT and the backing l...
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WO/2011/132099A1 |
A microphone is disclosed in which a housing is formed by a cap (13) sealed to a substrate (11). A MEMS die (10) is mounted on the substrate (11), the MEMS die (10) incorporating a membrane (12). The membrane (12) has a first surface fac...
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