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Matches 301 - 350 out of 20,099

Document Document Title
WO/2016/136591A1
The present invention provides an electroacoustic transducer and an electroacoustic conversion system with which it is possible to stably reproduce a high-quality sound and expand a reproducible-frequency bandwidth. An electroacoustic tr...  
WO/2016/137023A1
Disclosed are an ultrasonic transducer having a matching layer having a composite structure, and a method for manufacturing same. The ultrasonic transducer, according to one embodiment of the present invention, comprises: an active eleme...  
WO/2016/136475A1
Provided is an indium nitride piezoelectric thin film which has excellent piezoelectric characteristics. An indium nitride piezoelectric thin film which contains samarium or lanthanum.  
WO/2016/133016A1
This ultrasonic sensor is provided with a case, and a laminated piezoelectric element (50). On the bonding surface side of the piezoelectric element, a grounding electrode (30), and a non-grounding electrode (20) are positioned, said non...  
WO/2016/129829A1
The ultrasonic transducer comprises: a piezoelectric body for converting electrical energy to mechanical vibrations and generating ultrasonic waves; an upper electrode formed on the upper portion of the piezoelectric body, transfers the ...  
WO/2016/129202A1
A piezoelectric speaker (100, 200, and so on to 500) includes a piezoelectric element (1), and a vibrating metal section (2, 22, and so on to 352) to which the piezoelectric element (1) is bonded with an adhesive section (3) therebetween...  
WO/2016/126041A1
An ultrasonic transducer dissipates heat by the thermal conductivity of an aluminum layer adjacent to an active element, and has the boundary surface of a matching layer formed as a composite structure, thereby improving acoustic propert...  
WO/2016/125956A1
A nonflammable piezoelectric speaker device of the present invention is characterized by being configured in the following manner: in a state in which a ceramic plate is attached to the center of a metal diaphragm vibration plate, an ele...  
WO/2016/125702A1
An ultrasonic-wave transmitting-and-receiving device according to the present invention includes: a plate-like piezoelectric element having a planar shape selected from a polygonal shape, a circular shape, and an elliptical shape; and a ...  
WO/2016/124465A1
The invention relates to an electro-acoustic implant, having an elongated electrode carrier with a plurality of stimulation electrodes, which can be introduced into a cochlea, as well as a flat sound transducer which can be stimulated to...  
WO/2016/121765A1
The present invention provides: a highly productive electroacoustic conversion film with which it is possible to appropriately convert vibration and voltage without causing air breakdown between upper and lower thin-film electrodes even ...  
WO/2016/122237A1
The present invention provides an information provision system using an ultrasonic speaker, the system comprising: a fusion speaker part consisting of a speaker in an audio frequency band and a directional speaker in an ultrasonic band; ...  
WO/2016/117721A1
Disclosed is an ultrasonic transducer having a sound absorbing layer for improving heat dissipation. The ultrasonic transducer, according to one embodiment of the present invention, comprises: an active element; a matching layer formed o...  
WO/2016/117665A1
[Problem] To reduce the thickness and size and obtain favorable output of a high-frequency band in a universal speaker provided with a vibration plate that forms a curved surface part that is curved. [Solution] This universal speaker 10 ...  
WO/2016/118874A1
A speaker apparatus includes a speaker assembly and a piezoelectric driver. The speaker assembly including a diaphragm and a motor. Application of a first electric current to the motor causes a first movement of a portion of the motor. T...  
WO/2016/114173A1
Provided is a method for manufacturing a piezoelectric device comprising a substrate (4), and a vibrating part supported directly or indirectly by the substrate (4) and having a membrane shape or beam shape arranged to the upper side of ...  
WO/2016/107975A1
A piezoelectric MEMS transducer comprises a substrate, at least one membrane, at least one electrically isolating layer between the membrane and the substrate, a plurality of piezoelectric actuators arranged on the membrane, at least one...  
WO/2016/104396A1
A piezoelectric element of an ultrasonic sensor comprises: a piezoelectric layer (40) including a transmission region (40N) and a reception region (40M); a common electrode (30); a transmission electrode (20); and a reception electrode (...  
WO/2016/104820A1
An ultrasonic transducer having a flexible printed circuit board with a thick metal layer and a manufacturing method thereof are disclosed. The ultrasonic transducer, according to an embodiment of the present invention, comprises: an act...  
WO/2016/103931A1
To improve sound qualities by suppressing generation of a secondary sound source. The present invention is provided with a supporting body fixed to a base, a loudspeaker unit having a section to be fixed, and a base housing that holds th...  
WO/2016/104414A1
An ultrasonic generation element provided with a tabular frame (7) having an opening (7e) formed at the center, a tabular first oscillator (10) joined to one principal surface (7f1) of the frame (7), and a tabular second oscillator (11) ...  
WO/2016/103930A1
The present invention enhances acoustic conversion efficiency and improves sound quality. A speaker device is provided with: an oscillating element that expands and contracts in accordance with a drive signal; two oscillating bodies that...  
WO/2016/103826A1
[Problem] To provide an acoustic generator having excellent sound qualities, an acoustic generation device, and an electronic apparatus. [Solution] An acoustic generator of the present invention is provided with: a piezoelectric element ...  
WO/2016/104415A1
An ultrasonic sensor (101) is provided with the following: a bottomed cylindrical case (2) having a bottom plate (2a) and side walls (2b); a piezoelectric element (3) disposed above the bottom plate (2a) inside the case (2); and a fillin...  
WO/2016/093115A1
A vibrating body (101) is provided with: a support plate (1) including a first main surface (1a) and a second main surface (1b) facing in the direction opposite to the first main surface (1a); a piezoelectric body (2) disposed on the fir...  
WO/2016/093228A1
A vibrating body (101) comprising: a support plate (1) which has a first main surface (1a) and a second main surface (1b) that faces the opposite side to the first main surface (1a); a piezoelectric body (2) which is provided to the firs...  
WO/2016/088459A1
The objective of the present invention is to maintain a satisfactory sound output condition over a wide band, in the context of reducing drive losses with respect to a vibrating plate. A speaker device is provided with: an annular coil b...  
WO/2016/084666A1
This electronic device is provided with a panel, a piezoelectric vibration element, a first fitting member, and a second fitting member. The panel is provided on the front surface of the electronic device. The piezoelectric vibration ele...  
WO/2016/085014A1
Disclosed are a multi-layer ultrasonic transducer and a method for manufacturing the same. The multi-layer ultrasonic transducer according to an embodiment of the present invention comprises: an active element consisting of a plurality o...  
WO/2016/080387A1
A piece of electronic equipment 10 comprises: a primary surface member 20 that is used as a vibration plate; a casing 30 that supports the primary surface member 20; and a sound generating device 50 that is attached to the casing 30 and ...  
WO/2016/077228A1
Providing security features in an audio sensor is presented herein. A micro-electro-mechanical system (MEMS) microphone can include an acoustic membrane that converts an acoustic signal into an electrical signal; an electronic amplifier ...  
WO/2016/071961A1
The purpose of the present invention is to provide a spherical ultrasonic wave transducer that can be formed at low cost and with ease. An energy converting part 10 of a spherical ultrasonic wave transducer 6 includes a plurality of piez...  
WO/2016/073362A1
An ultrasonic audio system includes adaptive equalization techniques configured to adjust the overall output of the ultrasonic audio system. This can be done by adjusting the equalization of the electronic audio signal representing the a...  
WO/2016/067888A1
This electronic apparatus is provided with a panel, a piezoelectric vibrating element, a component, and a cushion material. The panel is provided on a surface of the electronic apparatus. The piezoelectric vibrating element is provided o...  
WO/2016/067667A1
 [Problem] To provide an acoustic generation element, an acoustic generation device, and an electronic instrument by which sufficient acoustic pressure is obtained by applying a high voltage, mechanical degradation is suppressed even f...  
WO/2016/068247A1
[Problem] To provide a piezoelectric element for which the strong manifestation of piezoelectric resonance at a specific frequency can be suppressed, thereby improving the sound quality of an acoustic generator, and to provide an acousti...  
WO/2016/067681A1
Provided is an acoustic transducer device that is worn on a listener's ear for use and that is small in size and light in weight and that excellently prevents the re-reflection of sound waves. An acoustic transducer device 100 comprises ...  
WO/2016/063628A1
[Problem] To provide an electroacoustic conversion device capable of producing sound pressure equal to that of a circular laminated piezoelectric element even when a polygonal laminated piezoelectric element is used. [Solution] An electr...  
WO/2016/056500A1
[Problem] To provide an electronic apparatus capable of generating a stable vibration throughout a panel. [Solution] An electronic apparatus 1 is provided with: a panel 20 having an approximately rectangular shape; a housing 10 holding s...  
WO/2016/057876A1
In one aspect, a speaker is provided having a coil and a diaphragm assembly coupled to the coil. The diaphragm assembly includes a piezo stiffener plate and a flexible membrane, the piezo stiffener plate including at least one piezo laye...  
WO/2016/051486A1
[Problem] To provide an ultrasonic vibrator capable of being formed compact while maintaining output, and an ultrasonic medical apparatus. [Solution] This ultrasonic vibrator (1) is provided with: a piezoelectric element unit (3) in whic...  
WO/2016/053745A1
A piezoelectric microphone and/or a piezoelectric microphone system is presented herein. In an implementation, a piezoelectric microphone includes a microelectromechanical systems (MEMS) layer and a complementary metal-oxide-semiconducto...  
WO/2016/052582A1
[Problem] To provide an electronic device that is capable of generating stable vibration across the whole of a panel. [Solution] The electronic device 1 includes a panel 20, a casing 10 that holds the panel 20, and a piezoelectric elemen...  
WO/2016/046887A1
[Problem] To provide an ultrasonic vibrator wherein a resonant frequency can be adjusted, while maintaining drive power, and an ultrasonic treatment tool. [Solution] An ultrasonic vibrator 1 is characterized by being provided with: two m...  
WO/2016/047155A1
[Problem] To provide a sound generator, a sound generating device, and an electronic apparatus, wherein sound pressure and sound qualities are improved. [Solution] This sound generator 1 includes a piezoelectric element 11 having a surfa...  
WO/2016/039138A1
This stretchable film laminate (100) comprises a laminate (102) and external electrodes (31, 32). The laminate (102) is formed by alternately laminating a plurality of stretchable films (21a-21g) and a plurality of main surface electrode...  
WO/2016/034665A1
The invention relates to a MEMS, comprising a membrane, a reciprocating structure, which is coupled to the membrane, and at least two piezoelectric actuators, which are connected, by means of a plurality of connecting elements spaced apa...  
WO/2015/156859A3
A surface micromachined microphone with a 230 kHz bandwidth. The structure uses a 2.25 μιη thick, 305 μιη radius polysilicon diaphragm suspended above an 11 μιη gap to form a variable parallel-plate capacitance. The backcavity o...  
WO/2016/031986A1
The present invention provides a novel ferroelectric thin film containing a uniaxially-oriented crystalline metal oxide having a rhombic fluorite structure. On a crystal substrate having a lattice mismatch of 10% or less (including 0%) w...  
WO/2016/031302A1
 [Problem] To provide a piezoelectric element that is not susceptible to dielectric breakdown or damage even when driven with a high voltage for a long period, and an acoustic generator, an acoustic generation device, and an electronic...  

Matches 301 - 350 out of 20,099