Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 51,674

Document Document Title
WO/2019/155120A1
The invention relates to a microelectromechanical resonator, comprising a support structure, a resonator element suspended to the support structure, the resonator element comprising a plurality of sub-elements, and an actuator for exciti...  
WO/2019/154804A1
An implantable device (12) comprises an EAP actuator and a sensing means. The sensing means is configured to monitor a force external to the device acting in a direction either with or counter to a direction of actuation of the actuator,...  
WO/2019/155663A1
This MEMS device is provided with: a piezoelectric film; a first electrode and a second electrode, by which the piezoelectric film is sandwiched; a protective film which is arranged so as to cover at least a part of the second electrode,...  
WO/2019/154664A1
The device as defined by the claims comprises electroactive polymer actuators (30) each of which is addressed by two addressing lines for selecting the electroactive polymer actuator and a current direction drive mode. A first circuit (4...  
WO/2019/157038A1
A method of measuring dissociation of the biomolecular bonds in one or multiple sample wells using super-resolution force spectroscopy (SURFS). SURFS utilizes precise ultrasound radiation to exert an acoustic radiation force on the biomo...  
WO/2019/155119A1
The invention concerns a microelectromechanical resonator comprising a support structure, a resonator element suspended to the support structure, and an actuator for exciting the resonator element to a resonance mode. According to the in...  
WO/2019/156863A1
A device, method and process to induce and amplify electrical energy through resonance and vibration, the device producing voltage and current generation with amplification within electrical motors, primarily DC motors, by vibration of t...  
WO/2019/149418A1
The invention relates to an ultrasonic transducer with a piezoceramic and a method for producing an ultrasonic transducer of this kind. The invention is directed at providing an ultrasonic transducer with outstanding media resistance and...  
WO/2019/150992A1
On the inner surface of a package in which two piezoelectric filter elements are housed, a shield electrode facing both electrodes of an input electrode and an output electrode of a piezoelectric substrate of each of the piezoelectric fi...  
WO/2019/150115A1
A method of poling piezoelectric elements of an actuator comprises applying an electric pulse heating waveform to the piezoelectric element(s) in order to increase the temperature thereof to a poling temperature (S202), applying an elect...  
WO/2019/150113A1
There is provided a vibrational energy harvester comprising: a frame, a flexure assembly coupled to the frame, the flexure assembly comprising a flexure configured to flex in a first direction relative to the frame and a mass fixed to th...  
WO/2019/150850A1
This transducer (10) comprises: a piezoelectric element (20) having a piezoelectric layer (21) containing an elastomer and piezoelectric particles, electrode layers (22a, 22b) disposed so as to sandwich the piezoelectric layer (21), and ...  
WO/2019/151172A1
This drive device (10) is provided with a voltage regulating circuit (11), a drive signal generating circuit (12), a current limiting circuit (13), and a voltage control circuit (14). The voltage regulating circuit (11) regulates a power...  
WO/2019/126477A3
A hydrophone may include a first piezoelectric cable including alternating sections of positive polarity and negative polarity, and a second piezoelectric cable including alternating sections of negative polarity and positive polarity. A...  
WO/2019/147777A1
A multi-axis MEMS assembly includes a micro-electrical-mechanical system (MEMS) actuator configured to provide linear three-axis movement. The micro-electrical-mechanical system (MEMS) actuator includes: an in-plane MEMS actuator, and an...  
WO/2019/141378A1
An apparatus includes a first support member, a second support member and one or more electro-active polymer members between the first support member and the second support. The one or more electro-active polymer members include a first ...  
WO/2019/141961A1
The present invention relates to a method of preparing a thin film element which is a dielectric exhibiting piezoelectric properties comprising a bismuth-based solid solution ceramic material as well as uses thereof. In one aspect, the p...  
WO/2019/141952A1
The invention relates to a method for designing a device comprising a plurality of micromachined elements, each one comprising a flexible membrane, the elements being arranged in a plane according to a determined topology, the design met...  
WO/2019/142612A1
A power generation device is used, the power generation device comprising a laminate of a first magnetostrictive material having a positive magnetostriction constant and a second magnetostrictive material having a negative magnetostricti...  
WO/2019/140484A1
Apparatus for agglomerating particulate matter entrained in a fluid, the apparatus including: an inlet for receiving the fluid; an outlet for releasing the fluid; at least one a conduit in fluid communication with the inlet and the outle...  
WO/2019/137705A1
The invention relates to a method for producing a micromechanical layer structure, having the steps of: - providing a first protective layer, said first protective layer being structured with at least one access which is filled with a sa...  
WO/2019/140209A1
An electrically-controllable shape morphing device comprising a multi-layer structure including a plurality of elastomer layers and a plurality of electrode layers formed between the plurality of elastomer layers. A geometry and/or size ...  
WO/2019/139100A1
The present invention provides a highly productive method for producing alkali niobate/tantalate alignment films, the method using hydrothermal synthesis and enabling the production of thicker films. The present invention also provides a...  
WO/2019/139575A1
An apparatus is provided which comprises: a magnet; a first structure comprising spin orbit material, wherein a portion of the structure is adjacent to the magnet; a second structure comprising piezo-electric material; and a conductor co...  
WO/2019/138799A1
This piezoelectric element unit 1 is provided with: a piezoelectric element 2 which has a function of converting a force into a voltage and a function of converting a voltage into a force; and a wiring board 3 which is electrically conne...  
WO/2019/140371A1
A pre-loaded piezoelectric stack actuator (10) comprising a stack (12) of piezoelectric material. Caps (24, 26) are coupled at opposed ends of the stack. Each of the caps includes projecting fingers (25A, 25B). Insulating plates (20) are...  
WO/2019/135900A1
A negative pressure wound therapy device includes at least one piezoelectric pump and a control circuit. The control circuit is configured to generate a first control signal to control operation of the at least one piezoelectric pump, th...  
WO/2019/135911A1
Piezoelectric devices and methods for forming the piezoelectric devices are provided. The piezoelectric device includes a piezoelectric film disposed on a substrate, where the piezoelectric film contains formamidinium tin iodide and one ...  
WO/2019/130773A1
A vibration device 1 is provided with: a piezoelectric vibrator 3 having a piezoelectric element 13 and a vibration plate 15 which has a pair of main surfaces 15a, 15b facing each other, and which has the piezoelectric element 13 joined ...  
WO/2019/130852A1
[Problem] To make it possible to suppress characteristic deterioration of an assembly when joining a piezoelectric material substrate consisting of a material such as lithium niobate, and a support substrate provided with a silicon oxide...  
WO/2019/130895A1
[Problem] To improve the characteristics of a joined body when a piezoelectric material substrate comprising lithium niobate, etc., and a support substrate provided with a silicon oxide layer are joined. [Solution] A joined body 8, 8A, p...  
WO/2019/130862A1
Provided is a power generation device having: a magnetostrictive element formed of a magnetostrictive material; a coil into which the magnetostrictive element is inserted; a frame having the magnetostrictive element disposed thereon and ...  
WO/2019/129979A1
The invention relates to a method for producing an adjustable bulk acoustic wave resonator comprising a transducer stack (E1) and a tuning stack (E2). According to the invention, transducer stack (E1) comprises two defined electrodes (4,...  
WO/2019/130857A1
[Problem] To suppress characteristic deterioration of an assembly when joining a piezoelectric material substrate consisting of a material selected from the group consisting of lithium niobate, lithium tantalate, and lithium niobate-lith...  
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...  

Matches 1 - 50 out of 51,674