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Patent Searching and Data


Matches 251 - 300 out of 6,576

Document Document Title
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...  
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...  
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 (...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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, ...  
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...  
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...  
WO/2011/122673A1
Disclosed is a method for manufacturing an acoustic diaphragm provided with: a diaphragm section which vibrates upon receiving an electrical signal or a sound wave; and an edge section which is arranged at the outer periphery of the diap...  
WO/2011/122017A1
Disclosed is a speaker manufacturing method that includes a step for assembling a magnetic circuit and a frame. The step for assembling the magnetic circuit and the frame ensures planarity of a plate and frame damper adhesive portion by ...  
WO/2011/111042A1
Actuator apparatus for generating a physical effect, at least one attribute of which corresponds to at least one characteristic of a digital input signal sampled periodically in accordance with a sampling clock, the apparatus comprising ...  
WO/2011/104624A1
A diaphragm for a loudspeaker including a plurality of masses, each mass being substantially the same radial distance from the centre of the diaphragm, the plurality of masses being divided into two arrays, each array including one or mo...  
WO/2011/103720A1
A semiconductor package and a method for manufacturing the same are provided. The semiconductor package includes: a base (130) having a cavity; an interposer (120) coupled to the base (130) and at least partially over the cavity such tha...  
WO/2011/104784A1
Disclosed is a converter module (5) provided with a substrate (1), a converter (3) which is held on the substrate (1) and which converts external vibration into electrical signals, and an electrical component (4) which is held on the sub...  
WO/2011/102104A1
Disclosed is a capacitor microphone comprising a vibrating membrane sub assembly, a spacer, and a ringed member that have been cut out from a layered assembly sheet as a layered unit, wherein the capacitor microphone prevents the sensiti...  
WO/2011/098731A1
The invention relates to an acoustic electrodynamic transducer assembly comprising a fixed part consisting of a bowl (5) rigidly attached to a magnetic motor (M) comprising at least one permanent magnet (1) capable of creating a magnetic...  
WO/2011/093008A1
A diaphragm is constituted by means of a papermaking process and contains a first fibrous material with increased freeness and a second fibrous material with carbonized bamboo fibers scaled down to a microfibril state. By means of such a...  
WO/2011/089345A1
Said electrodynamic speaker structure having MEMS technology, comprising a stator-forming means (2), diaphragm-forming means (3), and resiliently shape-changing means (4) for connecting all of said means, is characterized in that the sta...  
WO/2011/064934A1
Disclosed are a sound damping component for ultrasonic probe, an ultrasonic probe, and an ultrasonic probe manufacturing method. Multiple through-holes (14A) penetrating a sound dampening body (13a) are formed with a drill, and conductiv...  
WO/2011/062325A1
The present invention relates to a MEMS microphone package having improved acoustic properties, and to a packaging method, which involve adding a vent path in the packaging process to improve equilibrium between internal and external air...  
WO/2011/059868A1
A MEMS microphone has 1) a backplate with a backplate interior surface and a plurality of through-holes, and 2) a diaphragm spaced from the backplate. The diaphragm is movably coupled with the backplate to form a variable capacitor. At l...  
WO/2011/049319A3
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...  
WO/2011/049319A2
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...  
WO/2011/049276A1
The present invention relates to a fabrication method of a silicon condenser microphone having an additional back chamber. The method of the present invention comprises: applying an adhesive to a substrate and then mounting a chamber cas...  
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...  
WO/2011/038428A1
The invention relates to a method for producing loudspeaker housings and loudspeaker housing parts, characterized in that the loudspeaker housing parts are produced in a vacuum casting process or in a pressure gelation process (APG) pref...  
WO/2011/024396A1
Occurrence of variations in sensitivity characteristics between capacitor microphones having metal cases is prevented even when a large number of upper units including vibrating film subassemblies, spacers, and ring-shaped members are pr...  
WO/2011/021341A1
A microphone (100) is provided with: a vibrating membrane (2), which has a first surface and a second surface that is on the reverse side of the first surface, and which has a first vibrating region (6) and a second vibrating region (7) ...  
WO/2011/013294A1
Provided is a thin moving-magnet loudspeaker in which a quantitative guideline has been established for the mass of a magnetic circuit, and increases in the inductance of a voice coil are suppressed while maintaining the magnetic flux de...  
WO/2011/010754A1
Disclosed are a voice film, a method for manufacturing the same, and a flat type speaker including the same. The voice film of the present invention comprises: a base having a first surface and a second surface corresponding to the first...  
WO/2011/004478A1
A thin speaker device (1, 1B) capable of radiating a large volume of reproduced sound, wherein the speaker device achieves high reproducing efficiency by reliable transmission of vibration of a voice coil (30) to a vibration plate (10). ...  
WO/2011/001158A1
The invention relates to a method of making an actuator comprising a plurality of force elements and an actuator made according to the method. The method comprises providing a coupler for coupling force from the force elements to a load;...  
WO/2010/150203A1
A speaker comprises a permanent magnet (2) and a coil (8) positioned around the permanent magnet (2) and attached to a membrane (10), wherein the membrane comprises an elastomer of thickness less than 0.3mm and with a Young's modulus bel...  
WO/2010/143380A1
A sound wave generator which has better output characteristics than those in the past is provided based on a base layer and insulating layer combination which could not be predicted in the past. The sound wave generator is provided with ...  
WO/2010/134243A1
In a piezoelectric element array (100), filling material (7) existing on a plurality of piezoelectric elements (1a) arranged in a two-dimensional array is pressed to the piezoelectric elements (1a) by a flat member with a soft layer disp...  
WO/2010/131794A1
The present invention provides a method for manufacturing a spiral coil comprising the steps of: forming a solenoid which has a diameter larger than the length thereof by spirally winding an insulated electric wire; forming a spiral coil...  
WO/2010/122556A1
A method for fabricating flat loudspeakers comprising manufacturing a flat loudspeaker including at least one microspeaker array, having first and second main surfaces; and covering at least one of the main surfaces of the loudspeaker wi...  
WO/2010/122487A1
A microphone comprises a substrate (20), a microphone membrane (10) defining an acoustic input surface and a backplate (11) supported with respect to the membrane with a fixed spacing between the backplate (11) and the membrane (10). A m...  

Matches 251 - 300 out of 6,576