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Matches 1,701 - 1,750 out of 4,988

Document Document Title
JP4713285B2
Electro-dynamic loudspeakers typically include a diaphragm having a conductor applied to one of its surfaces. The diaphragm is secured to a frame. The conductor is connected to a power supply for providing electrical current through line...  
JP4712474B2  
JP2011124997A
To disclose an invention related to an ultrasonic probe, and a method of manufacturing the same.This probe comprises a first piezoelectric member having a first thickness, and a second piezoelectric member having a second thickness and s...  
JP4706578B2
The present invention relates to a push-pull type electrostatic ultrasonic transducer, particularly, an electrostatic ultrasonic transducer capable of generating usual sound pressure with lower energy, and thereby, reducing voltage (lowe...  
JP4701059B2  
JP4702826B2
A method for manufacturing a multi-layer acoustic transducer with reduced total electrical impedance. The method is based on the bonding of two piezoelectric ceramic layers with confronting metallized surfaces to a thin electrical conduc...  
JP4697058B2  
JP4697763B2
A condenser microphone has a conductive diaphragm 3 having an earth electrode layer 31 formed of a conductive light metal; a conductor fixed electrode 5 arranged opposite to the conductive diaphragm 3 through an air layer; an organic die...  
JP4690942B2  
JP4685013B2
The present invention relates to a method for making an ablation transducer having a plurality of helical elements that can be operated out of phase to orient the acoustical energy beam forward or backward in the longitudinal direction. ...  
JP4681248B2
A screen printing ink includes micelle structural particles formed by aggregating molecules of ammonium acrylate to dispersed particles containing phenol resin, and a dispersion medium for dispersing the micelle structural particle.  
JP2011087097A
To negatively charge an electret material which is provided on a fixed electrode of an electret capacitor microphone unit, not through a corona discharge.When charging minus (-) electric charges in the electret material 13 provided on th...  
JP4677274B2  
JP4675895B2
A shallow loudspeaker provided with a chassis (2), a movable body (4), a resilient suspension for guiding the movable body with respect to the chassis along a translation axis (T), and an electric actuator (6) for driving the movable bod...  
JP2011512260A
A MEMS component includes a substrate in which at least one cavity is present. The cavity is closed off toward an active side of the substrate. An inactive side is arranged opposite the active side of the substrate, and the substrate is ...  
JP4675463B2  
JP2011077572A
To simply produce an ultrasonic transducer whose configuration is comparatively simple while improving transmitting and receiving sensitivities.A UT array 21 has a structure in which backing material 26, a lower electrode 27, piezoelectr...  
JP2011077853A
To provide a method of manufacturing a ribbon for a ribbon type microphone, specifically the one that can improve an yield of transferring a mold to a ribbon material by pressing the ribbon material against the mold and can easily manufa...  
JP4670699B2  
JP4670643B2  
JP4669449B2  
JP4663531B2  
JP2011066674A
To achieve both higher power of input and improvement of sound quality in a speaker having a large aspect ratio in particular about a diaphragm for a speaker used in various acoustic apparatuses and the speaker using the same.An edge, a ...  
JP4659519B2
A diaphragm assembly used for a condenser microphone has a diaphragm made of a resin film including a metallized film on one surface of a supporter ring. The diaphragm is made by a first step of bonding a ring jig of a larger diameter th...  
JP4659711B2  
JP4659703B2  
JP2011061308A
To provide a method of manufacturing a ribbon microphone, and more specifically, a method of mounting a ribbon diaphragm for a ribbon microphone unit.The ribbon microphone includes a permanent magnet forming a magnetic field and the ribb...  
JP4652277B2  
JP2011049693A
To prevent variations in sensitivity characteristics even when producing multiple pieces of vibration film subassemblies, spacers and annular members of capacitor microphones as upper units, in a capacitor microphone having a metal case....  
JP4648610B2
The method for manufacturing an in-the-ear shell for a hearing device comprises the steps of automatically generating a first three-dimensional digital model of the surface that describes the shape of an ear canal of a subject as a 2-man...  
JP2011044890A
To satisfy both downsizing and high performance of an electromechanical transducer by suppressing deflection in a first vibration area.A microphone 100 includes: a vibrating film 2 including a first vibration area 6 and a second vibratio...  
JP4644220B2  
JP4642634B2
To improve spectacularly the manufacture efficiency of acoustic sensors and to realize a large-scale mass-production of high-quality acoustic sensors. A metal can sealed package is constructed by mounting an electro-acoustic transducing ...  
JP4638854B2  
JP4636726B2  
JP2011031385A
To provide an inexpensively manufacturable MEMS sensor.A silicon microphone 1 as one example of the MEMS sensors includes a silicon substrate 2 having an opening 5 formed to extend therethrough, a vibrating membrane 6 set opposite to the...  
JP4633571B2
To provide an array type ultrasonic vibrator which is configured while preventing the adverse effect of adhesion. The array type ultrasonic transducer comprises: a piezoelectric vibrator having a first electrode which is provided on an u...  
JP4631487B2
In a process for producing a loudspeaker diaphragm, pulp is deposited on a paper-making mold in the presence of vortex stream of water having pulp dispersed therein in a paper-making bath. Pulp is deposited on the paper-making mold while...  
JP4634257B2
A voice coil bobbin is formed by skinpass rolling of pure titanium. A manufacturing method of a voice coil bobbin includes a process which manufactures a rolled pure titanium material, a process which executes skinpass rolling of the rol...  
JP4632853B2
To provide an electrostatic capacitive ultrasonic transducer in which an elastically hardly deformable region is configured near the center of a membrane, an elastically deformable region is configured around the membrane and an electric...  
JP4633828B2
To provide a method which can simply manufacture various components of a vibration system for an electro-acoustic converter by commonly using dimensions of a product, a free degree of the shape, and an electro-spinning method which has a...  
JP4627019B2  
JP4627676B2
A fluororesin material is irradiated with ionizing radiation at a temperature not lower than the crystalline melting point of the fluororesin material in the absence of oxygen to form a crosslinked modified fluororesin material. An elect...  
JP2011023503A
To reduce a working time at the dicing step of dividing a semiconductor device by growing cracks along a planned dividing line starting from a reformed region after inducing multiple photon absorption by setting a laser light-condensing ...  
JP4623000B2
A production method for an electroacoustic transducer diaphragm includes producing an adhered sheet by adhering a sheet member on a surface of a wooden sheet having a thickness of from 0.01 mm to 3 mm, and the sheet member being made of ...  
JP4620008B2  
JP4621530B2  
JP2011015006A
To provide a highly reliable microphone device capable of unfailingly interrupting sound leakage without requiring high dimension accuracy.This microphone device includes: a casing 1; an upright portion 2 formed so as to surround a sound...  
JP4616467B2  
JP2011010132A
To provide a sensor which detects a detection object over a wide azimuth angle range with non-contact by detecting even a wave motion (that is a peripheral field of view) coming from a shallow elevation angle direction to a holder, and a...  

Matches 1,701 - 1,750 out of 4,988