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Patent Searching and Data


Matches 451 - 500 out of 6,797

Document Document Title
WO/2008/068349A1
The invention relates to an electro-acoustic transducer having a membrane (10). The membrane (10) has a first and a second region (20, 30), wherein the hardness, stiffness, or compliance of the first region (20) differs from that of the ...  
WO/2008/062850A1
A voice input device includes a first microphone (710-1) with a first vibrating membrane, a second microphone (710-2) with a second vibrating membrane, and a difference signal generating unit (720) that generates a difference signal betw...  
WO/2008/062848A1
A voice input device includes a first microphone (710-1) with a first vibrating membrane, a second microphone (710-2) with a second vibrating membrane, and a difference signal generating unit (720) that generates a difference signal betw...  
WO/2008/064313A1
A mechanically interlocked acoustic radiator/surround assembly is disclosed wherein an edge of the acoustic radiator includes a protrusion extending from and/or a depression in a surface of the acoustic radiator. An elastomeric material ...  
WO/2008/044381A1
A protective film (20) of an SiO2 thin film is formed on a front surface of an Si substrate (12), and a part of the protective film (20) is removed to form an etching window (22). A sacrifice layer (23) of polycrystalline Si is formed in...  
WO/2008/038761A1
In a speaker, three magnets are disposed via magnetic gaps for placing of voice coil. The magnetic poles of ambilateral magnets are magnetized so that homopoles face each other. The central magnet has its both poles disposed in the direc...  
WO/2008/037183A1
An electromagnetic vibrator is composed of vibration sheet, suspension edge, basin frame and magnetic return path system. The electromagnetic vibrator is prepared as connecting back surface of vibration sheet to voice coil being set in m...  
WO/2008/038762A1
In a speaker, three magnets are disposed via magnetic gaps for placing of voice coil. The magnetic poles of ambilateral magnets are magnetized so that homopoles face each other. The central magnet has its both poles disposed in the direc...  
WO/2008/027701A1
An oscillator having a quartz resonator, and a base wafer containing active electronics, wherein the quartz resonator is bonded directly to the base wafer and subsequently hermetically capped.  
WO/2008/015917A1
Provided is an ultrasonic probe for sending/receiving ultrasonic waves. The ultrasonic probe comprises a sending inorganic piezoelectric element layer made of an inorganic material, a receiving organic piezoelectric element layer made of...  
WO/2008/010509A1
An ultrasound probe of multichannel array type with high S/N ratio and with a high sensitivity. The ultrasound probe has composite piezoelectric elements of transmission/reception separation type and is characterized in that the composit...  
WO/2008/001824A1
For the purpose of miniaturizing and supersensitizing a chip for a capacitor microphone formed by micromachining a silicone substrate, the silicone substrate of the chip for the microphone is diced in a generally hexagonal, desirably reg...  
WO/2005/062689A3
A method of manufacturing a flexible printed circuit suspension assembly is disclosed. Specifically, the method comprises attaching a suspension to a first end of a flexible printed circuit, bending the suspension to a predetermined posi...  
WO/2007/117200A3
The present invention is intended as a method for producing an electromagnetic transducer of variable reluctance type, where the transducer's seismic mass side (1) and load side (2) are mounted together in a first step while the inner (1...  
WO/2007/125675A2  
WO/2007/117200A2
The present invention is intended as a method for producing an electromagnetic transducer of variable reluctance type, where the transducer's seismic mass side (1) and load side (2) are mounted together in a first step while the inner (1...  
WO/2007/010421A3
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...  
WO/2007/105454A1
Plant for production of paper-made part for speaker (43) includes mixing unit (21), atomizing unit (22), papermaking unit (23) and shaping unit (25). The mixing unit (21) mixes raw material (31) for paper-made part for speaker with liqui...  
WO/2007/105449A1
A speaker-use diaphragm produced by paper-making a pulp material and then pressing it partially to reduce its thickness. The speaker diaphragm of this structure is easy to produce, has stable frequency characteristics in medium and high ...  
WO/2007/102460A1
Provided are an ultrasonic sensor capable of acquiring stable sending-receiving characteristics and acquiring a desired directivity in a simple and inexpensive manner, and a method for manufacturing the ultrasonic sensor. The ultrasonic ...  
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...  
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...  
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...  
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...  
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...  
WO/2005/065011A3
This invention describes a method for generating noise references for adaptive interference cancellation filters for applications in generalized sidelobe canceling systems. More specifically the present invention relates to a multi-micro...  
WO/2007/038671A3
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...  
WO/2006/110785A3
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...  
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...  
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.  
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...  
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...  
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...  
WO2007000160A8
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...  
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...  
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...  
WO/2006/066850A3
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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-...  
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...  
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...  
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...  
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...  
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...  

Matches 451 - 500 out of 6,797