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Patent Searching and Data


Matches 501 - 550 out of 53,365

Document Document Title
WO/2019/131135A1
According to the present disclosure, a piezoelectric element the resonance point of which is shifted to the low-pitched sound side is provided. The inventors newly found that the resonant point of a piezoelectric element 1 is moved to th...  
WO/2019/132368A1
A piezoelectric element for a speaker and a manufacturing method therefor are provided. The piezoelectric element for a speaker comprises: a plurality of piezoelectric ceramic layers stacked in the thickness direction thereof; and a plur...  
WO/2019/126729A1
The teachings of the present disclosure enable the manufacture of one or more piezoelectric micromachined ultrasonic transducers (PMUTs) having a resonant frequency of a specific target value and/or substantially matched resonant frequen...  
WO/2019/122402A1
The first object of the invention is directed to a piezoelectric device (10) shaped as a tridimensional object with at least two surfaces, wherein said piezoelectric device (10) comprises a first set of two or more electrodes (8a, 8b). S...  
WO/2019/119178A1
The present invention is applicable to the technical field of ultrasonic transduction, and discloses a mode conversion ultrasonic transducer and a method for manufacturing same. The mode conversion ultrasonic transducer comprises a housi...  
WO/2019/122465A1
The invention relates to a method for obtaining ceramic coatings formed by lead zirconate titanate (PZT), comprising the steps of: obtaining a PZT ink; depositing the PZT ink over a substrate; sintering the PZT ink by means of a laser tr...  
WO/2019/122262A1
Haptic system including an electroactive polymer composite The present invention concerns a haptic system including an electroactive polymer composite layer comprising core-shell particles and at least one polymer and electrodes for the ...  
WO/2019/122162A1
The invention reduces the stresses that builds up when two large area surfaces are bonded together by a wafer bonding process. This is done by structuring one of the two surfaces to be bonded together by structuring lines to partition th...  
WO/2019/123610A1
[Problem] To provide: an ultrasonic vibrator that is compact and capable of implementing low-frequency ultrasonic vibration and that is configured to apply ultrasonic vibration to liquid; and a low-frequency spot shower type or cleaning ...  
WO/2019/125197A1
The group of inventions relates to electrical supply lines contacting current collectors of transport vehicles. A method of automatically monitoring a contact conductor of an electric transport system consists in that a query signal is g...  
WO/2019/115805A1
Electromechanical actuator (1) for an ultrasonic motor, the actuator (1) having the shape of a plate (2) comprising two main surfaces (3) and side surfaces (4) connecting the main surfaces (3) with each other, and with two equally shaped...  
WO/2019/116897A1
The present invention reduces the generation of leakage current to a supporting member, while achieving size reduction by integrally forming an elastic wave element and a semiconductor element. An electronic component (1) according to th...  
WO/2019/117037A1
According to the present invention, high quality is achieved for a linear sensor, and a belt-like sensor and a planar sensor that use the same, the linear sensor having a piezo material disposed between an internal conductor and an exter...  
WO/2019/111480A1
This actuator driving device (111) is provided with: an actuator (11) which is displaced or deformed in accordance with the voltage applied thereto; and an actuator control circuit (110) which controls the voltage to be applied to the ac...  
WO/2019/112343A1
The present invention relates to a cylindrical secondary battery comprising: a jelly-roll shaped electrode assembly having a structure in which long sheet-shaped positive electrode and negative electrode are wound with a separator interp...  
WO/2019/112518A1
A multi-layered piezoelectric ceramic-containing structure There is provided a multi-layered piezoelectric ceramic-containing structure comprising: a metal substrate; a metallic adhesive layer on a surface of the metal substrate; a non-m...  
WO/2019/108933A1
The disclosure is and includes at least an apparatus, system and method for manufacturing piezoelectrics. The apparatus, system and method may include at least a first roller and an end roller; a continuous printable substrate roll exten...  
WO/2019/107172A1
According to the present invention, a shield part (7), which electromagnetically shields at least a portion of an electric circuit (6), is configured to electromagnetically shield the at least a portion of the electric circuit by allowin...  
WO/2019/108986A1
The invention relates generally to an Internet of Things (IoT) enabled wireless sensor system using attached and/or embedded passive electromagnetic sensors (PES) with distribution hardware. One embodiment of this invention includes a wi...  
WO/2019/107680A1
Disclosed is a semiconductor pressure sensor. The semiconductor pressure sensor according to an embodiment of the present invention includes: five connection pads which are each made of a conductive material and have a plate shape, and w...  
WO/2019/102417A1
A spring (3, 3') comprising a plurality of elements (30), each element (3) comprising a rigid portion (31) and a flexible beam (32), the extremities (320, 321) of the flexible beam being supported by the rigid portion (31), the flexible ...  
WO/2019/102635A1
This piezoelectric film (10) has a film form wherein a coating layer (14) that has piezoelectricity is superposed on a base material film (12). A piezoelectric sensor (16) according to the present invention is obtained by forming transpa...  
WO/2019/101601A1
The invention relates to an actuator device comprising at least one solid-state actuator (130) and a hydraulic unit (120) connected mechanically to the solid-state actuator (130) in series, wherein said hydraulic unit (120) comprises a h...  
WO/2019/102104A1
The present invention relates to a piezoelectric washer (6) intended for an accelerometer sensor having a ceramic body and a conductive electrode (61, 62) on each of two opposing faces, an electrical resistance being to be established be...  
WO/2019/101603A1
The invention relates to a switching device which comprises at least one electrical switching contact (60) and an actuator assembly (AE) designed for clamping and having a solid-state actuator (130) and a hydraulic unit (120) that is mec...  
WO/2019/103015A1
This laminate body (10) for forming a piezoelectric speaker is provided with a piezoelectric film (35), an adhesive surface (17), an intervening layer (40) which is a porous layer and/or a resin layer arranged between the piezoelectric f...  
WO/2019/102952A1
A piezoelectric device comprising: a piezoelectric body 10, at least one section of which is capable of bending vibration; an upper electrode 22 that is positioned on an upper surface of the piezoelectric body 10, and in which warping of...  
WO/2019/103018A1
This piezoelectric speaker (10) is provided with a piezoelectric film (35), a first bonding layer (51) and an intervening layer (40). The piezoelectric film (35) includes a first electrode (61), a second electrode (62) and a piezoelectri...  
WO/2019/102951A1
A piezoelectric device comprising: a piezoelectric monocrystalline body 10 with a uniform polarization condition, at least one section of which is capable of bending vibration; an upper electrode 22 that is positioned on an upper surface...  
WO/2019/103016A1
This piezoelectric speaker (10) is provided with a piezoelectric film (35), a fixing surface (17) for fixing the piezoelectric film (35) to a support body, and an intervening layer (40) arranged between the piezoelectric film (35) and th...  
WO/2019/099013A1
A piezoelectric micromachined ultrasonic transducer (PMUT) device includes a substrate having an opening therethrough and a membrane attached to the substrate over the opening. An actuating structure layer on a surface of the membrane in...  
WO/2019/099821A1
Described herein is a force attenuator for a force sensor. The force attenuator can linearly attenuate the force applied on the force sensor and therefore significantly extend the maximum sensing range of the force sensor. The area ratio...  
WO/2019/098861A1
A cylindrical piezoelectric transducer is described the cylindrical piezoelectric transducer comprising: a tube having inner and outer surfaces and a first inner diameter, first outer diameter and a first thickness; at least one stepped ...  
WO/2019/097983A1
The present disclosure provides a vibration-powered generation device capable of generating large electric power compared to the amount of displacement of a part of an item to be sensed. The vibration-powered generation device (1) of the...  
WO/2019/093092A1
This piezoelectric component (100) is provided with a piezoelectric element (10) which includes a piezoelectric ceramic layer (2) and a sintered metal layer (1) disposed on at least one major surface of the piezoelectric ceramic layer (2...  
WO/2019/093471A1
This film structure comprises: a substrate (11) which is a silicon substrate having an upper surface (11a) that is the (100) plane; an alignment film (12) which is formed on the upper surface (11a) and has a cubic crystal structure, whil...  
WO/2019/090601A1
The invention relates to the technical field of micro energy collection, and discloses a micro energy collector based on a piezoelectric thick film MEMS process and a preparation method thereof. The micro energy collector comprises an up...  
WO/2019/094195A1
Methods of mitigating current overload of an ultrasonic system having an ultrasonic stack under load at startup are provided. The methods include beginning an ultrasonic cycle in the ultrasonic system having the ultrasonic stack that run...  
WO/2019/087922A1
A piezoelectric element comprises a piezoelectric body having a first main surface and a second main surface opposite of each other, and multiple external electrodes arranged on the first main surface. A vibration member has a third main...  
WO/2019/087634A1
An ultrasonic sensor is provided with a housing (1), and a piezoelectric vibration element (7). The housing (1) includes a first part (5) formed of a metal, and a second part (6) formed of a resin. The first part (5) has a cylindrical sh...  
WO/2019/085744A1
A display substrate, a display panel, and a display device. The display substrate comprises multiple pixel units (200) arranged in an array manner. Each pixel unit (200) comprises a first electrode (210). Each first electrode (210) compr...  
WO/2019/087923A1
A wiring member electrically connected to a piezoelectric element has a first region, a second region and a third region. The first region is positioned on multiple external electrodes and is bonded to the multiple external electrodes. T...  
WO/2019/083752A1
A piezo MEMS mirror system that includes a drive system that drives a piezo MEMS mirror that generates an image on a portable device display. The drive system includes a DC-AC converter that operates to convert the DC power provided by t...  
WO/2019/081521A1
Electroacoustic device comprising a body, an electrode to be electrically powered, named hot electrode, and an electrode to be electrically grounded, named ground electrode, the body comprising a piezoelectric part or the electroacoustic...  
WO/2019/078144A1
This pressing force detection sensor is provided with: a piezoelectric film (15) which has a first region (R1) and a second region (R2) that is positioned outside the first region (R1), and which is deformed by means of a pressing operat...  
WO/2019/077248A1
The invention relates to an energy harvester (90) comprising: • a converter (10) capable of converting a variation of energy to be harvested into a potential difference between two electric terminals (11, 12) by accumulating charges on...  
WO/2019/078053A1
Provided are a piezoelectric device which, even though a plurality of piezoelectric layers having the same piezoelectric characteristics are stacked and the opposed surfaces of adjacent piezoelectric layers are not electrically insulated...  
WO/2019/078239A1
A vibration wave motor, having: an element that is displaced by the application of a voltage; and an annular elastic body having a bottom surface that comes into contact with the element and a drive surface having a groove, the elastic b...  
WO/2019/075061A1
Various embodiments disclosed relate to unsaturated polymers that exhibit electrocaloric properties. The polymers can be useful as heat transfer materials in heating and cooling applications.  
WO/2019/073766A1
This power-generating element production method comprises: a first step of providing, in a substrate having a vibrating part capable of vibrating, a supporting part for supporting the vibrating part at one end section in one direction of...  

Matches 501 - 550 out of 53,365