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JP5134126B2 |
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JP5134277B2 |
An ultrasonic inspection apparatus is provided in which the size of the apparatus can be made compact by using laser light, the degradation and deformation of the inspected object is prevented, and a broad range of inspections can be car...
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JP5134128B2 |
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JP5134123B2 |
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JP5134122B2 |
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JP5113132B2 |
A flexible thermoacoustic device includes a soft supporter and a sound wave generator. The sound wave generator is located on a surface of the softer supporter. The sound wave generator includes a carbon nanotube structure. The carbon na...
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JP5113002B2 |
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JP5107970B2 |
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JP5108993B2 |
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JP5107968B2 |
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JP5107964B2 |
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JP5107969B2 |
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JP5107965B2 |
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JP5090641B2 |
Methods of fabricating a tiled transducer array are disclosed. Embodiments of the methods include fabricating a wafer comprising a plurality of transducers, dicing the wafer to form individual transducers, testing the individual transduc...
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JP5083970B2 |
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JP5086414B2 |
A speaker includes an sound wave generator, at least one first electrode, at least one second electrode, an amplifier circuit, and a connector. The at least one first electrode and the at least one second electrode are electrically conne...
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JP5086406B2 |
A thermoacoustic device includes at least one first electrode, at least one second electrode, a thermoacoustic element, a base and a plurality of fins. The at least one second electrode is spaced from the at least one first electrode. Th...
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JP5080621B2 |
The present invention relates to a thermoacoustic device that includes an acoustic element. The acoustic element includes a substrate, a plurality of microspaces, and a metal film. The metal film is located above the substrate. A plurali...
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JP5080242B2 |
A combined fan and loudspeaker element, comprising a motor driven rotor provided with wings or blades, wherein the wings or blades are adjustable in pitch resulting together with a rotation of the rotor in an air transport flow, said win...
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JP5066307B1 |
An optical microphone retroreflects a propagation medium section in which an acoustic wave propagates, a light source that emits a light wave that crosses the acoustic wave propagating in the propagation medium section and passes through...
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JP5069345B2 |
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JP5069603B2 |
The invention relates to an actuating member comprising an elastomer body that is provided with one electrode each on opposite peripheries. The aim of the invention is to improve the dynamism of such an actuating member. To this end, at ...
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JP2012205198A |
To provide a thermoacoustic device excellent in high-speed reactivity and having reduced harmonic distortion.A thermoacoustic device includes a pair of electrodes and a CNT film for connecting between both electrodes and composed of a pl...
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JP2012205193A |
To provide a thermoacoustic device having excellent sound wave generation performance owing to a small heat capacity of a heat generator layer and high thermal insulation performance of a thermal insulation layer.The thermoacoustic devic...
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JP5047404B2 |
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JP5027950B2 |
There is provided an optical microphone for detecting an acoustic wave propagating in an ambient fluid, the optical microphone including: a propagation medium section; a light source for emitting a light wave to be transmitted through a ...
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JP5028410B2 |
An acoustic sensor includes at least one photonic crystal structure and an optical fiber in optical communication with the at least one photonic crystal structure. The at least one photonic crystal structure has at least one optical reso...
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JP2012178619A |
To solve a problem that a vibrating film needs to be affixed while being pulled, as well as that a margin needs to be allowed for the vibrating film to be pulled because a proper tension of the vibrating film of a microphone needs to be ...
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JP5022884B2 |
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JP2012163435A |
To provide an acoustic emission detector capable of effectively detecting acoustic emission with simple structure.An acoustic emission detector includes: a wave receiving plate oscillating with acoustic emission; a plurality of optical t...
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JP5006896B2 |
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JP4995926B2 |
A method of fabricating an optical structure on an optical fiber is provided. In a first step, the end of the end of the optical fiber is prepared. In a second step, a dielectric layer is formed onto the fiber end. In a third step, the d...
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JP4987201B2 |
An acoustic transducer comprising a substrate; and a diaphragm formed by depositing a micromachined membrane onto the substrate. The diaphragm is formed as a single silicon chip using a CMOS MEMS (microelectromechanical systems) semicond...
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JP4981847B2 |
It becomes possible to obtain high sound pressure in a high frequency domain by a capacitive ultrasonic transducer which comprises a membrane 9 on which one electrode 7 is formed, a cavity 13 constructed in its backface, and a substrate ...
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JP4981223B2 |
The present invention provides an acoustic transducer, or an array of such transducers, formed on a single integrated circuit chip, and a method of making the same, in which there is included an array of acoustic transducers, each capabl...
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JP4971316B2 |
The number of sensors that can be used by an SSA system including a single source can be increased by using a multi wavelength source to send different wavelength pulses to each of a plurality of different sensor array ladders, particula...
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JP4963979B2 |
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JP4961954B2 |
To provide a speaker unit which precisely represents sounds in a wide range from the lower register to the upper register using an electrostatic type speaker, and to provide sound facilities that use the same. The speaker body 20, having...
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JP4953177B2 |
To provide an ultrasonic sensor which allows compactness and high resolving power, while using a diaphragm as an ultrasonic receiving sensor. The ultrasonic sensor comprises ultrasonic sensor elements arranged in a matrix on the same pla...
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JP4944268B2 |
A folded Sagnac fiber optic acoustic sensor array operates in a manner similar to a Sagnac interferometer but uses a common delay path to reduce distributed pickup in downlead fibers. The fiber optic acoustic sensor array is used to dete...
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JP2012054762A |
To provide a thin film sound wave outlet device capable of facilitating formation on a thin film substrate with a large area and applying to a non-vibrating type thin film speaker.The present invention includes: a thin film substrate 1; ...
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JP2012029093A |
To provide a portable terminal device capable of forming an acoustic field selectively at the position of a user by accurately calculating a direction and a distance from the portable terminal device to the user, while being kept small i...
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JP4860520B2 |
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JP4842010B2 |
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JP4837708B2 |
To provide an electronic component that does not require to be covered with a metal cap, and has an MEMS structure which is not destroyed and which is exposed. An MEMS chip 42 and an electronic circuit chip 43 which are die bonded on a s...
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JP2011239159A |
To provide an actuator, an electroacoustic transducer, and an electronic apparatus having the electric transducer capable of efficiently converting electric energy into acoustic energy while enhancing their strength with a simple structu...
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JP2011237538A |
To provide an information display device of an electrically chargeable medium moving type, equipped with an information display portion and a sound generating portion which are thin and flexible.An information display device 100 has: a p...
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JP4816109B2 |
An ultrasonic wave generating device includes a substrate, a heat insulation layer on the substrate, a membrane heating portion on the heat insulation layer, and a membrane oscillator on the heating portion. The heating portion is electr...
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JP4817464B2 |
A thermoacoustic generating apparatus (1) is for generating acoustic waves by temperature modulation of solids, and is provided with: a thermoelement layer (12); a first electrode layer (11), laminated on one surface of the thermoelement...
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JP4809564B2 |
A folded Sagnac fiber optic acoustic sensor array operates in a manner similar to a Sagnac interferometer but uses a common delay path to reduce distributed pickup in downlead fibers. The fiber optic acoustic sensor array is used to dete...
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