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WO/2007/099865A1 |
This invention provides a method for manufacturing a component for a speaker by papermaking, which is large in freedom of regulation of properties and sound quality and is high in productivity. This method can be realized by adopting a b...
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WO/2007/099696A1 |
An ultrasonic vibrator comprises a plurality of ultrasonic vibrator cells each composed of a substrate having a lower electrode formed thereon and a membrane installed apart from the substrate and having an upper electrode. When a voltag...
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WO/2007/097206A1 |
The rigidity of a material for vibrating plates, dust caps, and subcones is improved to enhance sound quality as a speaker. To this end, paper containing a material prepared by reducing the beating degree of bamboo fibers obtained from b...
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WO/2007/098334A2 |
A seal consists of an annular thermoplastic body having a relatively thinner annular base and a relatively thicker, compressible annular bead. The annular body has a shape that corresponds to a mounting surface of a loudspeaker. A surfac...
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WO/2007/094184A1 |
Provided is an ultrasonic sensor having a piezoelectric element whose vibration is hardly damped, a terminal end portion of a high position accuracy, and a high resistance against an external stress. The ultrasonic sensor (10) includes a...
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WO/2007/076820A2 |
The invention relates to an ultrasonic transducer and a method for the production thereof. The inventive ultrasonic transducer comprises at least one piezo-active transducer layer (14) which is embodied as a non-self-supporting layer, co...
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WO/2007/069365A1 |
A diaphragm (14) is formed by using MEMS technique. The diaphragm (14) has a hinge structure. At least one of the hinge upper corner part and the hinge lower corner part of the diaphragm (14) is rounded.
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WO/2007/059633A1 |
So as to exploit the experience widely spread for fitting hearing devices, workflows of fitting processes are stored (9, 9-1). A momentary or future fitting operation is performed in dependency from previously performed fitting processes...
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WO/2007/038671A2 |
A receiver includes a housing having an interior, a diaphragm assembly disposed within the housing, a motor assembly disposed within the housing and a linkage assembly coupling the diaphragm assembly and the motor assembly. A support str...
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WO/2007/026782A1 |
A capacitor microphone, i.e., a semiconductor or metal single layer film, is provided with a plate having a fixed electrode, a diaphragm which has a movable electrode and vibrates with an acoustic wave, and a spacer which supports the pl...
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WO/2007/024943A1 |
A microphone is formed to have a diaphragm that is configured to improve signal to noise ratio. To that end, the microphone has a backplate having a hole therethrough, and a diaphragm movably coupled with the backplate. The diaphragm has...
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WO/2007/020409A1 |
A method of making an acoustic device comprising a bending wave member (10) and a plate-like bending inertial vibration transducer (12), the method comprising mounting the transducer with its plane normal to the plane of the bending wave...
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WO/2007/010421A2 |
A microphone package has a first die (10), a microphone (15) formed on the first die, one or more passive components (20) formed on the first die, and an integrated circuit (25) on a second die (30), mounted on the first die and electric...
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WO/2007/000160A1 |
A tool (20) and a method for shaping an elongated deformable member for a hearing aid (1). The tool (20) is manufactured using a rapid prototyping process. The tool comprises a first holding means (21) for a first end of the elongated me...
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WO/2006/137445A1 |
In production equipment, a first production block (101) for producing first magnetic circuits and a second production block (102) for producing second magnetic circuits are symmetrically arranged, and a third production block (103) is fu...
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WO/2006/134580A2 |
A micro-electro-mechanical transducer (such as a cMUT) having two electrodes 810, 840 separated by an insulator 830 with an insulation extension 840 is disclosed The two electrodes 810, 840 define a transducing gap therebetween The insul...
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WO/2006/132193A1 |
A novel electret-turning technology for a silicon microphone capable of easily turning the dielectric film of a condenser microphone formed by micro-processing a silicon substrate into electret, and accommodating variations in microphone...
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WO/2006/114979A1 |
Disclosed is a method for producing a diaphragm for speakers which comprises a step wherein a composite material is obtained by substituting the moisture in a chemical fiber with a granular resin and another step wherein the composite ma...
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WO/2006/110785A2 |
A method of manufacturing an ultrasound transducer (2) is provided. The ultrasound transducer (2) is activated and the activity across the transducer is measured to determine whether the activity at any area does not meet an acceptance c...
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WO/2006/100822A1 |
A process for producing a speaker diaphragm, comprising conducting deposition of pulp on a paper-making mold in the presence of vortex stream of water having pulp dispersed therein in a paper-making bath. Deposition of pulp on the paper-...
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WO2006073604A9 |
A loudspeaker cone body made of plastic includes a base carrier material and a filler material. The base carrier material is selected to optimize overall flow, weight and stiffness. The filler material may be a nanomaterial that provides...
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WO/2006/093154A1 |
A cabinet, speaker device constituent member, etc. having properties inclusive of high elasticity, lightweight, high internal loss, moisture resistance, etc. The speaker device constituent member comprises a magnesium material and, super...
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WO/2006/090969A1 |
A multilayer ultrasonic transducer includes a multilayer piezoelectric substrate assembly (100) laminated with a first and a second piezoelectric substrate on top of each other, and having a first electrode node (42) and a second electro...
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WO/2006/087866A1 |
A piezoelectric speaker and a method of manufacturing the piezoelectric speaker. The piezoelectric speaker comprises a plurality of diaphragms, connection members, and piezoelectric elements. Each of the plurality of diaphragms is formed...
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WO/2006/088380A1 |
A horn speaker, in particular for reproducing bass sound in public address systems, in which the horn (23) is mounted directly to the driver element (21) without any intervening compression chamber. The back side of the driver element (2...
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WO/2006/078623A1 |
A trim panel assembly for retaining an acoustical device, the trim panel assembly comprising a trim panel, and a voice coil, wherein at least a portion of the voice coil is partially embedded within a surface of the trim panel.
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WO/2006/078008A1 |
There is provided a loudspeaker damper realizing a high input resistance to follow a large amplitude of the damper caused by a large input without causing partially an interfacial separation and a crack of a resin layer arranged on the s...
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WO/2006/070066A1 |
A method for fastening a speaker to a speaker chamber, and a speaker chamber with a speaker. The speaker (530) is placed in a speaker frame (513) belonging to the frame part (511, 513) of a speaker chamber. Laser welding is used in the f...
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WO/2006/066850A2 |
The invention relates to a loudspeaker diaphragm (62) comprising a tapering border region (12). This permits the cost-effective and efficient prevention or significant reduction of a wave reflection and an uncontrolled wave propagation t...
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WO/2006/056871A2 |
A component that is rigid and three-dimensional and has a relatively low mass. The component has a foil body formed of a metal or metal alloy matrix that is embedded with ultra-hard particles or grit, such as diamond and/or cBN. It can b...
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WO/2006/054501A1 |
A speaker using a resin with adhesiveness as a surface treatment agent already applied onto either of a diaphragm and a voice coil before adhesion and a method of manufacturing the speaker. Since the weight of an adhesive agent used for ...
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WO/2006/055801A2 |
A loudspeaker incorporates features to improve performance and quality while reducing component and manufacturing costs. One embodiment of a loudspeaker has a frame with a generic mounting edge that mates with a secondary mounting compon...
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WO/2006/013717A1 |
Disclosed is a capacitive micromachined ultrasonic transducer comprising at least a silicon substrate, a first electrode arranged on the silicon substrate, a second electrode arranged opposite to the first electrode with a certain space ...
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WO/2006/009220A1 |
In an ultrasonic transducer, an acoustic matching member is formed on an acoustic wave radiation side of an electromechanical transducer, a backing material is firmly adhered on the opposite side, an electrode layer and a notched part ar...
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WO/2006/000402A1 |
The invention concerns an electro-acoustic back electret transducer (1) with a membrane (2), a counter electrode (3) and an electret layer (4) applied to the side of the counter electrode facing the membrane, and a method for producing s...
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WO/2006/001292A1 |
A production facility for a speaker diaphragm capable of molding a sheet-like film material by stepwise controlling the pressure and flow of a compressed air in air-pressure molding and a method of manufacturing the diaphragm by using th...
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WO/2006/001792A1 |
A transducer suitable for use as a microphone or receiver in a hearing aid has a housing and a diaphragm disposed within the housing. A motor assembly is also disposed within the housing and operatively coupled to the diaphragm. The moto...
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WO/2005/120130A1 |
An electrostatic capacity type ultrasonic vibrator includes a membrane (9) having one electrode (7) formed on the surface of the ultrasonic transmission/reception side, a cavity (13) configured on its rear surface, and a substrate (2) on...
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WO/2005/120125A1 |
Disclosed is an acoustic transducer comprising a capsule housing and a damping element that is made of plastic film. Said plastic film is provided with holes produced by means of a laser.
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WO/2005/120129A1 |
Disclosed is a microphone comprising a microphone capsule housing, a diaphragm, an electrode, and an insulating part which is disposed between the diaphragm and the electrode in the microphone capsule housing. Said insulating part is pro...
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WO/2005/115052A1 |
The invention relates to a capacitor microphone comprising a microphone housing having a sound inlet and a membrane of a counter electrode associated with the membrane at a small distance from said membrane. The aim of the invention is t...
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WO/2005/115054A1 |
A transducer element includes a piezoelectric vibrator which vibrates to emit ultrasonic, and one or more acoustic matching layers. A supersonic transducer is provided with the transducer element and an acoustic lens. Space sections betw...
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WO/2005/097926A1 |
Disclosed is an ink for screen printing which contains a micelle structure, wherein an acrylic acid ammonium salt is agglomerated onto a dispersed particle containing a phenol resin, and a dispersion medium for dispersing such a micelle ...
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WO/2005/099305A1 |
Edges (29) supporting a vibrating plate assembly (100) on a frame (26) are connected at their outer peripheral parts to the frame (26) and joined at their inner peripheral parts to a diaphragm (27) at a position more peripherally inward ...
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WO/2005/091674A1 |
[PROBLEMS] To accurately tune the frequency of vibration by means of a suspension during assembly. [MEANS FOR SOLVING PROBLEMS] Securing planned positions (3e) where a magnetic circuit portion (2) is secured to a suspension (3) are provi...
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WO/2005/086529A1 |
A speaker, wherein a cylindrical suspension holder (9) formed to be diverged downward is installed on the rear surface of a diaphragm (7) integrally with each other, and the peripheral edge of the suspension holder (9) is joined to a fra...
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WO/2005/084076A1 |
In a method of and a device for producing a membrane (1) for an electroacoustic transducer, the procedure is such that a membrane (1), which has been produced for example by deep-drawing, is at least partially coated on at least one surf...
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WO/2005/083764A1 |
The oxide film (2) of a sensor element (11) is formed on a rectangular substrate (1), a diaphragm (3) is formed on the oxide film (2), fixing units (4) are formed on the diaphragm (3), a back electrode (5) is formed on the fixing units (...
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WO/2005/079110A1 |
A speaker-use diaphragm or a dust cap produced by injection-molding a mixture containing at least a resin material and a fiber material. The both features of the advantage of a paper diaphragm having a large degree of freedom in setting ...
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WO/2005/079107A1 |
A bone-conduction device (speaker) and a method of manufacturing the bone-conduction device. By the method, not only the device can be manufactured efficiently since man-hours for processing parts is small and a troublesome ground waste ...
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