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Matches 601 - 650 out of 20,400

Document Document Title
WO/2014/082777A1
The invention relates to a transducer (1) having at least one electrode of a first type (2), at least one electrode of a second type (3) and at least one ferroelectret (6). The transducer (1) additionally has at least one electret (4), w...  
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...  
WO/2014/081868A1
A localized multimodal haptic system includes one or more electromechanical polymer (EMP) transducers, each including an EMP layer, such as an electrostrictive polymer active layer. In some applications the EMP transducer may perform an ...  
WO/2014/076973A1
In the present invention, an ultrasonic probe that can be connected to an ultrasonic diagnostic device main body is provided with an element unit for mutually converting electrical signals and ultrasonic waves to each other, an electrica...  
WO/2014/076908A1
An ultrasonic sensor comprises a wave transceiver and a cover. The wave transceiver has a wave transceiver face on the front and sends and receives ultrasonic waves through the wave transceiver face. The cover covers the wave transceiver...  
WO/2014/077836A1
An ultrasonic transducer includes a backing element, an active element overlying the backing layer, and a matching element overlying the active element, the matching element having an inner surface that contacts the active element and an...  
WO/2014/077061A1
A high-density ultrasonic vibrator equipped with multiple organic piezoelectric components and multiple inorganic piezoelectric components is provided by: bonding one of the surfaces of an organic piezoelectric layer (61) with a surface ...  
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...  
WO/2014/061584A1
The present invention contributes to the oscillation of highly directional acoustic waves with high efficiency. This electroacoustic transducer is equipped with: a piezoelectric vibrator; a casing that is provided with a predetermined sp...  
WO/2014/054784A1
An objective of the present invention is to provide an audio device whereby a contribution is made to the provision of sound to a plurality of users who are located in different directions and an electronic apparatus wherein said sound d...  
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...  
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 ...  
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...  
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...  
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...  
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...  
WO/2014/045720A1
A sound emitter (1) according to an embodiment comprises an oscillator (10), and an exciter (piezoelectric oscillation element (20)). The exciter (20) is disposed upon the oscillator (10), receives an input of an electrical signal, and o...  
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...  
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...  
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...  
WO/2014/035622A1
A thin film bone-conduction transducer for a head-mountable device is provided. In one example, the head-mountable device may include a head-mountable display that is configured to provide bone-conduction audio using one or more bone-con...  
WO/2014/032308A1
A miniature sound box having a telescopic resonance chamber. The miniature sound box comprises a speaker, a sound box upper housing, a sound box middle housing, a sound box lower housing, an audio cable, an audio plug, a circuit board, a...  
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...  
WO/2014/030784A1
One embodiment of the present invention provides a method for manufacturing an ultrasound probe comprising a machine tool step, wherein the method for manufacturing the ultrasound probe is characterized by depoling a piezoelectric body, ...  
WO/2014/030783A1
One embodiment of the present invention provides a method for manufacturing an ultrasound probe, comprising the steps of: preparing a plurality of sub-piezoelectric plates; and coupling the plurality of sub-piezoelectric plates to each o...  
WO/2014/030793A1
The present invention relates to a multilayer piezoelectric speaker apparatus that has a structure in which a piezoelectric ceramic plate and an inner electrode plate are stacked on each other and is capable of suppressing deformation of...  
WO/2014/030159A1
A hearing aid device is presented being configured for direct cochlea vibration stimulation. The hearing aid device comprises: a deformable member configured for contracting and expanding along a deformation axis between its first and se...  
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...  
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 ...  
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...  
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...  
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; ...  
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...  
WO/2014/024695A1
A piezoelectric element which includes an undercoat layer and a piezoelectric material layer that have been formed on a substrate, the undercoat layer being for controlling the crystallinity of the piezoelectric material layer. The piezo...  
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 ...  
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); ...  
WO/2014/017672A1
The present invention relates to an ultrasonic transducer comprising an automatic compressing device which can automatically compress an object to be diagnosed, to thus move an ultrasonic transceiving surface at a desired predetermined s...  
WO/2014/017026A1
Provided is an electronic apparatus whereby it is possible to differentiate between a state of emitting a vibrating sound such as is communicated via a portion of a person's body and a state of not emitting the vibrating sound. An electr...  
WO/2014/014958A1
A closed-loop ultrasound system includes an ultrasound receiver, an ultrasound transmitter at least one of integral with or at a predetermined position relative to the ultrasound receiver, and a trigger circuit configured to receive dete...  
WO/2014/013735A1
In an ultrasonic probe, by having used a mixture of a resin and an elastomer for at least one layer of a plurality of layers configuring an acoustic matching layer provided on one side of a piezoelectric element, broadband and smooth-for...  
WO/2014/003148A1
An electronic device (for example, a mobile phone) (1A) is provided with: a case; an operation unit (for example, a touch screen) (21) disposed on a first surface of the case; a piezoelectric element (7); and a control unit (for example,...  
WO/2014/001603A1
An apparatus comprising: at least one input configured to provide at least one input signal; a mode determiner configured to determine at least one mode of condition based on the at least one input signal; a controller configured to cont...  
WO/2014/002286A1
[Problem] To provide an electromechanical conversion element that is resistant to degradation over time of piezoelectric properties even if temperature changes that cross an orthorhombic-tetragonal phase transition temperature occur. [So...  
WO/2014/003160A1
Provided is a stereo earphone provided with a pair of earphones each comprising a cartilage conduction part, a sheath part connected to the cartilage conduction part, and a piezoelectric bimorph that is a vibration source covered with th...  
WO/2013/191060A1
The present invention provides a probe and protective cover for a probe with which a light irradiation section is protected. A light guide plate (13) emits light toward a subject from a light-emitting surface. An ultrasonic vibrator (12)...  
WO/2013/192143A1
An apparatus comprising a frame and a pressure sensitive adhesive applied to at least a portion of the frame, where the pressure sensitive adhesive is arranged to bond a pre-strained film to the frame is disclosed. A method of making the...  
WO/2013/190852A1
An acoustic matching member (4) comprising dry gel particles (8) and binding particles (10), wherein the dry gel particles have micropores (7) therein and hold interparticle voids among the dry gel particles, the binding particles that a...  
WO/2013/188817A1
An ultrasound beamformer may include an array of ultrasound transducer elements. Multiple signal transmitters may each generate an ultrasound signal that is different from the ultrasound signal generated by each of the others. The number...  
WO/2013/187062A1
The disclosed technology relates to ultrasonic probes, and the purpose of the technology is to prevent a housing and housing members from cracking and to ensure safety. According to this technology, in an ultrasonic probe (12) accommodat...  
WO/2013/183283A1
Ultrasound flow quantity measurement units (27, 49) are disposed in a flow path (3) wherethrough a fluid to be measured flows, said measurement units comprising: pairs of ultrasound transceivers (5, 6, 42, 44) further comprising piezoele...  

Matches 601 - 650 out of 20,400