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WO/2014/104003A1 |
Provided is a carbonaceous acoustic diaphragm that has sufficient mechanical strength and has excellent properties required of acoustic diaphragms. A starting material for amorphous carbon, such as a vinyl chloride resin or a furan resin...
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WO/2014/097668A1 |
In order to obtain an excellent frequency response to sound pressure, an ac oustic generator pertaining to an embodiment of the present invention is pr ovided with an exciter, a vibrator, a frame, and a lead wire. The exciter vibrates up...
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WO/2014/098077A1 |
[Problem] To provide: a piezoelectric actuator having reduced noise caused by the vibration of a piezoelectric element; a piezoelectric vibration device; and a mobile terminal. [Solution] This piezoelectric actuator (1) has: a piezoelect...
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WO/2014/097862A1 |
[Problem] To obtain satisfactory sound pressure frequency characteristics. [Solution] This acoustic generator is provided with an exciter, a flat vibrating body, and a printed substrate. The exciter vibrates upon having an electrical sig...
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WO/2014/097863A1 |
[Problem] To obtain excellent acoustic pressure frequency characteristics. [Solution] This acoustic generator is provided with a frame body (10), a diaphragm (20) fixed to the frame body (10), and a piezoelectric vibration element (30) a...
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WO/2014/099073A1 |
A method for providing tactile feedback comprises displaying a visual representation of a physical object having at least one haptic property, generating time-varying data associated with the at least one haptic property from the visual ...
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WO/2014/091704A1 |
This diaphragm includes a paper layer and a skin layer. The paper layer includes natural fibers and synthetic fibers formed by a thermoplastic resin. The paper layer is formed by mixing the natural fibers and the synthetic fibers in wate...
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WO/2014/091813A1 |
[Problem] To obtain a favorable frequency characteristic of acoustic pressure. [Solution] An acoustic generator pertaining to an embodiment of the present invention is provided with an exciter, a flat vibrating body, and a damping materi...
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WO/2014/091834A1 |
[Problem] To obtain frequency characteristics having favorable sound pressure. [Solution] This embodiment of an acoustic generator is provided with an exciter, an oscillating body, and a support body. The exciter receives the input of an...
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WO/2014/091598A1 |
By sufficiently increasing the surface area of the diaphragm, etc., occurring in a speaker device, sufficient sound pressure is achieved. This speaker device is provided with a cabinet (2) including a baffle surface (21a), a first diaphr...
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WO/2014/091833A1 |
[Problem] To obtain frequency characteristics at a favorable sound pressure. [Solution] This embodiment of an acoustic generator is provided with an oscillating body, an exciter, and a damping material. The exciter is provided on the osc...
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WO/2014/091785A1 |
The present invention addresses the problem of obtaining good sound-pressure frequency characteristics. In order to solve said problem, an audio generator in an embodiment has, at least, an exciter, a flat vibrator, a resin layer, and a ...
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WO/2014/092037A1 |
A planar speaker (10) is provided with a piezoelectric film (20), an exciter film (30), a diaphragm (40), and a frame (300) that each have a planar shape. The frame (300) is arranged between the exciter film (30) and the diaphragm (40). ...
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WO/2014/091597A1 |
The purpose of the present invention is to sufficiently increase the area of vibration plates to achieve a speaker device in which sufficient sound pressure is generated. The present invention is provided with: a plurality of vibration p...
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WO/2014/086993A1 |
A loudspeaker 31 has a frame 33, a diaphragm 37, at least a part of which does not comprise an electro-active polymer, and one or more connecting parts 39, 51 comprising an electro-active polymer and connecting the diaphragm 37 to the fr...
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WO/2014/088517A1 |
According to embodiments of the present invention, a transducer is provided. The transducer includes a substrate, and a diaphragm suspended from the substrate, wherein the diaphragm is displaceable in response to an acoustic signal impin...
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WO/2014/087914A1 |
Provided is a molding method which is capable of molding a piezoelectric polymer into polymer piezoelectric materials having various shapes. Also provided are: a vibration generator which uses a polymer piezoelectric material; and a spea...
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WO/2014/083998A1 |
[Problem] To provide a piezoelectric actuator wherein noise due to vibration of a piezoelectric element is reduced, a piezoelectric vibration device, and a portable terminal. [Solution] A piezoelectric actuator (1) of the present inventi...
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WO/2014/083902A1 |
[Problem] To provide an acoustic generator capable of generating sound of better sound quality, and an electronic apparatus in which same is used. [Solution] The acoustic generator has at least: an oscillation unit (10) which includes an...
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WO/2014/069138A1 |
[Problem] To provide: a piezoelectric element which is suppressed in separation of a surface electrode; and a piezoelectric vibration device, a portable terminal, a sound generator, a sound generation device and an electronic device, eac...
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WO/2014/068834A1 |
In the present invention, a diaphragm for a speaker contains fiber and resin. The main material of the diaphragm is fiber, and the diaphragm is manufactured by pro cessing the fiber as in a papermaking process. The fiber contains natura ...
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WO/2014/054264A1 |
This invention is provided with a vibration unit (60) having a piezoelectric element (61), and a weight (10) for applying a load to the vibration unit (60). When the load from the weight (10) is applied to the vibration unit (60), the vi...
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WO/2014/050439A1 |
[Problem] To provide an acoustic generator, wherein it is possible to improve sound quality and to inhibit the frequency fluctuation of a sound pressure as much as possible by reducing the difference between the oscillation peak and dip ...
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WO/2014/050983A1 |
[Problem] To achieve suitable frequency characteristics of a sound pressure. [Solution] An acoustic generator of one mode is provided with an exciter, a vibrating body, and a damping material. The exciter vibrates when an electric signal...
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WO/2014/051006A1 |
The present invention addresses the issue of obtaining excellent frequency characteristics of sound pressure. In order to solve the issue, a sound generator (1) according to the embodiment of the present invention is provided with a piez...
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WO/2014/050214A1 |
The present invention addresses the problem of flattening frequency characteristics. In order to solve the problem, an acoustic generator according to an embodiment is equipped with a piezoelectric component (exciter) (1) and a film (mem...
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WO/2014/045645A1 |
A problem which is addressed by the present invention is to provide an audio emitter, an audio emission device, and an electronic apparatus comprising an exciter which receives an input of an electrical signal and oscillates, whereby pea...
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WO/2014/044251A2 |
The invention relates to a method for stiffening the membrane of an acoustic transducer, which method also enables stiffening of the membrane of an acoustic transducer at a later stage, such that said method can also be applied as an aft...
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WO/2014/045008A2 |
A diaphragm (14) for a loudspeaker drive unit or for a microphone comprise a rigid dome-shaped member having a thickness that varies from a first thicker thickness at a first location (region 30) at the periphery of the dome-shaped membe...
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WO/2014/045719A1 |
[Problem] To address the problem of providing: a sound generator capable of smoothing sound-pressure frequency properties; a sound-generating device; and an electronic device. [Solution] A sound generator has a vibrating body (3). The so...
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WO/2014/041606A1 |
[Problem] The objective of the present invention is to provide a speaker and a speaker edge with which the generation of unnecessary resonance can be suppressed and the acoustic characteristics can be improved. [Solution] A speaker edge ...
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WO/2014/042243A1 |
Provided is an active silencing apparatus capable of applying a controller without consideration of crosstalk, and capable of more effectively reducing noise for occupants. Sets of speakers (21, 31) and error microphones (22, 32) are pro...
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WO/2014/038102A1 |
The present invention addresses the problem of providing a speaker that exhibits high performance in reproducing original sound. In this speaker (10), the end part of a bobbin (24) on the opposite side from the bobbin end part around whi...
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WO/2014/034866A1 |
[Problem] To provide a sound emitter, a sound emission device, and an electronic apparatus, whereby differences between resonance peaks and dips in sound pressure frequency characteristics are reduced, sound pressure frequency fluctuatio...
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WO/2014/034208A1 |
A sound generator (1) of the embodiment of the present invention is provided with a vibrator (10), an exciter (piezoelectric vibrating element (20)), and a covering section (50). The exciter (20) is bonded on the vibrator (10) with a bon...
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WO/2014/034599A1 |
[Problem] To provide a multifunction vibration actuator such that collisions between a voice coil and a magnetic circuit can be prevented even when a structure utilizing a frame-shaped suspension is used and the strength of stoppers can ...
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WO/2014/034250A1 |
The present invention addresses the issue of obtaining frequency characteristics with excellent sound pressure. In order to solve the issue, a sound generator (1) of an embodiment of the present invention is provided with a piezoelectric...
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WO/2014/027467A1 |
A speaker (10) has: magnetic plates (31, 32) containing multipole-magnetized surfaces (33); and a vibration membrane (50) positioned so as to face the magnetized surfaces (33) while sandwiching shock-absorbing material (41, 42) therebetw...
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WO/2014/028602A1 |
A canalphone system may include a high audio driver carried by a canalphone housing, and a low audio driver carried by the canalphone housing adjacent to the high audio driver. The system may also include an acoustical-timer to phase cor...
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WO/2014/024736A1 |
In order to obtain good sound frequency characteristics, the sound generator (1) of the embodiments has at least a plurality of piezoelectric elements (5) and a vibrating body (3a). The plurality of piezoelectric elements (5) vibrates as...
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WO/2014/024528A1 |
In order to achieve good frequency characteristics of sound pressure, this sound generator (1) is provided with a piezoelectric element (an exciter) (5), a vibrating body (3a), and multiple damping members (8). The piezoelectric element ...
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WO/2014/024756A1 |
Provided are: an acoustic generator that can generate high-quality acoustics having low frequency-dependent variability in sound pressure; and an acoustic generation device and electronic apparatus that use the acoustic generator. The ac...
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WO/2014/025153A1 |
A diaphragm for a speaker according to the present invention is configured to include a nanoweb in which nanofibers are accumulated by electrospinning a polymer material so as to be formed having multiple pores through which air can pass...
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WO/2014/024705A1 |
Provided are an acoustic generator that is capable of generating high-quality sound with little frequency-related fluctuation of sound pressure, a sound generation device, and an electronic device. This acoustic generator is equipped wit...
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WO/2014/024600A1 |
The problem addressed by the present invention is to reduce unevenness in sound pressure in the frequency characteristics of the sound pressure. To resolve the problem, this acoustic generator has: a film (3) that is a supporting plate; ...
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WO/2014/025061A1 |
Provided are a sound generator, and a sound generation device and electronic device that use the sound generator. The sound generator is provided with a frame, a vibrating body disposed on the frame in a state in which tension is applied...
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WO/2014/024551A1 |
This invention addresses the problem of obtaining an acoustic generator having satisfactory sound pressure frequency characteristics. In order to resolve this problem, this acoustic generator (1) is provided with a piezoelectric element ...
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WO/2014/020877A1 |
Provided is an electronic apparatus whereby it is possible to minimize sound leakage from a case, etc., which vibrates by a vibrating body, and an echo arising from the sound leakage. An electronic apparatus (1) comprises: a panel (10); ...
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WO/2014/019717A1 |
An electroacoustic driver comprises a diaphragm, a diaphragm drive system and a diaphragm suspension. The diaphragm system is configured to subject the diaphragm to a motion, wherein the diaphragm suspension is configured to guide the di...
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WO/2014/016298A2 |
The invention relates to an ultrasonic sensor device (1) for a motor vehicle, comprising an ultrasonic sensor (7) which comprises a crucible-shaped membrane (6) for emitting and/or capturing ultrasonic signals, and a sensor housing (10),...
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