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Patent Searching and Data


Matches 251 - 300 out of 6,540

Document Document Title
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...  
WO/2010/119600A1
Provided is a converter module having the size and the height thereof easily reduced without deteriorating pressure detection sensitivity. A converter module (100) is provided with a converter (110) which converts vibration of a diaphrag...  
WO/2010/116324A1
A microphone has a membrane (20) mounted to vibrate in response to pressure fluctuations, a backplate (30) facing the membrane and being more rigid than the membrane, and circuitry (95) for sensing the vibrations relative to the backplat...  
WO/2010/113384A1
A semiconductor device is provided with a conversion body (110) for converting sound pressure into an electrical signal, and an amplification element (140A) which has an amplification circuit for amplifying the electrical signal converte...  
WO/2010/106733A1
A semiconductor device with a design which prevents entry of cutting fluid and debris when dicing to form single pieces, and thereby improves reliability. The semiconductor device is provided with a substrate (6); at least one semiconduc...  
WO/2010/100861A1
Disclosed is an art for a capacitive micromachined ultrasonic transducer (CMUT), which suppresses deformation in a cavity, non-uniformity in the thickness of an insulating film enclosing the cavity, and deterioration in the flatness of t...  
WO/2010/095704A1
A speaker diaphragm (1) includes a material wherein a cyclic olefin resin is added to a carbon fiber reinforced liquid crystal polymer. It is thereby possible to obtain a speaker diaphragm (1) with high sound velocity, a speaker (5), and...  
WO/2010/095553A1
Disclosed is a process for manufacturing an electret that can realize high long-term stability of electrical charges carried therein and has high thermal stability and excellent charge-retaining properties. Also disclosed is an electrost...  
WO/2010/081347A1
An insulating plate for a condenser microphone and a condenser microphone for using this kind of insulating plate are provided. The insulating plate is mounted between the electrode plate of the microphone and a vibrating diaphragm. The ...  
WO/2010/082519A1
The manufacturing yield of semiconductor devices (CMUT) is improved. Before a polyimide film, which serves as a protection film, is formed, a membrane is caused to vibrate repetitively, thereby evaluating the withstand voltage between u...  
WO/2010/076319A1
The invention relates to a sound transducer comprising a first magnetically conducting element (1), a second magnetically conducting element (3), and a permanent magnet (2), which is connected to a first magnetically conducting element (...  
WO/2010/073836A1
Provided are a speaker unit with which disconnection of wire parts or impact with other members can be prevented, a manufacturing method therefor and a portable information terminal. A frame (31) comprises terminals (61, 62). A diaphragm...  
WO/2010/071090A1
Disclosed is a carbonaceous sound vibratory plate having a low density while keeping necessary toughness. A carbon-containing resin such as a vinyl chloride resin is mixed with carbon nanofibers and spherical PMMA particles, and the res...  
WO/2010/062820A3
A side-ported MEMS microphone package (210, 2700) defines an acoustic path (528) from a side of the package substrate (400) to a microphone die (414) disposed within a chamber (514) defined by the substrate (400) and a lid (404) attached...  
WO/2010/053496A1
An electronic device may include a substrate and an acoustic actuator mounted on a surface of the substrate. More particularly, the acoustic actuator may be configured to generate displacements along a direction parallel with respect to ...  
WO/2010/053497A1
An electronic device may include a printed circuit board and a speaker box defining an acoustic volume between spaced apart first and second speaker box walls with the first speaker box wall being between the second speaker box wall and ...  
WO/2010/050145A1
The speaker is configured so that the diaphragm has a protrusion that protrudes on the yoke side to the inside and near an inner fastening part, which is the part that fastens to the voice coil. Manufacture by precisely positioning the v...  
WO/2010/050063A1
Provided is a speaker manufacturing method, which is shortened in a manufacturing time period by shortening the setting time periods of adhesives of different kinds, when used, effectively at individual joint portions. This jointing proc...  
WO/2010/050062A1
A speaker manufacturing method which shortens a time for manufacturing a speaker by shortening a time for curing an a moisture-curing adhesive when using the adhesive. The method has a wetting process of locally wetting either or both of...  
WO/2010/047056A1
A method of manufacturing a microphone having a stacked casing structure, wherein substrates are bonded to each other with high bonding strength to minimize an adverse effect which is caused by overflow of a bonding agent from bonded are...  
WO/2010/047057A1
A method of manufacturing a microphone having a laminated casing structure, wherein an adverse effect to functions of the microphone due to pressing of substrates when the substrates are bonded and affixed together is effectively minimiz...  
WO/2010/044623A3
The present invention discloses a diaphragm for a sound converter including a first diaphragm (62) having a central portion which is a plane surface and a side dome formed around the central portion and a second diaphragm (64) formed at ...  
WO/2010/044623A2
The present invention discloses a diaphragm for a sound converter including a first diaphragm having a central portion which is a plane surface and a side dome formed around the central portion, and a second diaphragm formed at the centr...  
WO/2010/031192A1
The invention features methods for the manufacture of electrical components such as ultrasound transducers. In particular, the inventions provides methods of patterning electrodes, e.g., in the connection of an ultrasound transducer to a...  
WO/2010/031192A8
The invention features methods for the manufacture of electrical components such as ultrasound transducers. In particular, the inventions provides methods of patterning electrodes, e.g., in the connection of an ultrasound transducer to a...  
WO/2010/023344A1
The invention describes an ultrasonic device that is useful for the emission of acoustic waves in air in the ultrasonic range, which comprises, amongst other elements, a resonant cavity (5) with one or more apertures (7) for generating s...  
WO/2010/018694A1
Disclosed is an organic piezoelectric material film which has little contaminants and has excellent piezoelectric properties. The organic piezoelectric material film is produced by casting a solution of an organic piezoelectric material ...  
WO/2010/016208A1
A manufacturing device for a speaker is provided with a first to a third guide. A frame is guided by the first guide and mounted on the manufacturing device. A yoke is guided by the second guide, and the frame and the yoke are coupled....  

Matches 251 - 300 out of 6,540