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9041270 Driving apparatus  
A driving apparatus comprises a piezoelectric element (12) expanding and contracting in accordance with a driving pulse signal (40, 42), a supporting shaft (14) connected to said piezoelectric...
9035536 Piezoelectric thin-film resonator and method for manufacturing the same  
A piezoelectric thin-film resonator includes: a lower electrode provided on a substrate; a piezoelectric film that is provided on the lower electrode and includes at least two layers; an upper...
9030077 Switching apparatus and test apparatus  
A switching apparatus comprising a contact point section including a first contact point; an actuator including a first piezoelectric film that expands and contracts according to a first drive...
9024513 Multi-layer piezoelectric element, and injection device and fuel injection system using the same  
A multi-layer piezoelectric element includes a stacked body including piezoelectric layers and internal electrode layers, which are alternately stacked; an external electrode layer attached to a...
9013090 Drive device using polymer actuator  
An actuator includes an electrolytic layer, a first electrode layer, and a second electrode layer. The electrolytic layer includes a polymer and an ionic liquid included in the polymer. When a...
9006956 Piezoelectric active cooling device  
Methods, systems, and devices for providing cooling for a mobile device using piezoelectric active cooling devices. Some embodiments utilize piezoelectric actuators that oscillate a planar element...
8994248 Proximity sensor used by an operation robot and method of operating the proximity sensor  
Described is a proximity sensor used by an operation robot that may measure a proximity distance to an object using an ultrasonic wave in a device such as an operation robot, an endoscope, and the...
8994247 Piezoelectric actuator, piezoelectric vibration apparatus, and portable terminal  
A piezoelectric actuator includes a stacked body composed of internal electrodes and piezoelectric layers which are stacked on each other; and a surface electrode disposed on at least one of main...
8994251 Piezoelectric device having first and second non-metal electroconductive intermediate films  
A piezoelectric device according to the present invention is provided with a first electrode film, a first nonmetal electroconductive intermediate film provided on the first electrode film, a...
8987976 Piezoelectric resonator having combined thickness and width vibrational modes  
A method and apparatus for a piezoelectric resonator having combined thickness and width vibrational modes are disclosed. A piezoelectric resonator may include a piezoelectric substrate and a...
8980010 Dust removing device and dust removing method  
In a piezoelectric device, a first electrode and a second electrode are disposed to be opposed to each other on plate surfaces of the piezoelectric device, a first electrode plane of the...
8981617 Actuator apparatus, test apparatus, and test method  
Provided is an actuator apparatus including: an actuator that is provided with a driving voltage at one end and a reference potential at the other end to enable driving; a first setting section...
8978216 Method for forming an acoustical stack for an ultrasound probe  
A method for forming an acoustical stack for an ultrasound probe comprises partly dicing a single crystal piezoelectric material to form single crystal pieces that are partly separated by a...
8981627 Piezoelectric device with electrode films and electroconductive oxide film  
A piezoelectric device has a first electrode film, a piezoelectric film provided on the first electrode film, and a second electrode film provided on the piezoelectric film. At least one of the...
8979065 Piezoelectric valve based on linear actuator  
A piezoelectric valve has a body with an input passage and an output passage each configured to connect to a fluid flow system, a flow control member movable with respect to the valve seat between...
8981621 Electroactive polymer manufacturing  
Described herein are transducers and their fabrication. The transducers convert between mechanical and electrical energy. Some transducers of the present invention include a pre-strained polymer....
8973230 Polling method of piezoelectric element and method of manufacturing inertial sensor  
Disclosed herein is a method of manufacturing an inertial sensor using a polling method of a piezoelectric element performing a polling after packaging the piezoelectric element, the method of...
8971801 Self-energized wireless sensor and method using magnetic field communications  
Manufacturing processes monitor forces or pressures within a machine. Metal within machines affect wireless communications within the machines for reporting monitored data. An embodiment of the...
8970093 Piezoelectric transducer for measuring fluid properties  
A transducer includes a preload adapter having a sleeve portion and an end and a housing including a seating portion and a shaft portion that extends from the seating portion. The transducer also...
8966704 Dust removing device and dust removing method  
In a piezoelectric device, a first electrode and a second electrode are disposed to be opposed to each other on plate surfaces of the piezoelectric device, a first electrode plane of the...
8963401 Vibration actuator  
There is provided a vibration actuator including: a housing providing an internal space and including holes formed to allow the internal space to be in communication with the outside; a diaphragm...
8957567 Mechanical design of deformation compensated flexural pivots structured for linear nanopositioning stages  
A method and deformation compensated flexural pivots structured for precision linear nanopositioning stages are provided. A deformation-compensated flexural linear guiding mechanism includes a...
8952598 Piezoelectric actuator, piezoelectric vibration apparatus and portable terminal having a region that is not flat for bonding to a flexible substrate  
A piezoelectric actuator, a piezoelectric vibration apparatus and a portable terminal are disclosed. The actuator includes a piezoelectric element, a flexible substrate and a bonding layer. The...
8941290 Vibrating body and vibration wave actuator  
Provided are a vibrating body and a vibration wave actuator, which can suppress vibration attenuation along with a reduction in size with an inexpensive structure, to thereby improve vibration...
8936574 Drug delivery pump drive using linear piezoelectric motor  
A drug delivery pump drive which uses a linear piezoelectric motor to advance a syringe piston to deliver a liquid drug and a method thereof are disclosed. The pump drive, provided in a drug...
8937424 Strain amplification structure and synthetic jet actuator  
A strain amplification structure has a frame with a hexagonal structure incorporating a plurality of rigid beams that are connected to opposing end beams by a plurality of flexible joints. A...
8928204 Piezoelectric vibration module  
Disclosed herein is a piezoelectric vibration module including a vibration plate that is surrounded by an upper case and a lower case, and includes a first stopper capable of preventing direct...
8917009 Vibration generator and electronic device including the same  
Disclosed are a vibration generator, which can increase the vibration force of a vibration plate by additionally applying the mass of a mass body to the vibration plate, and an electronic device...
8914955 Method for manufacturing piezoelectric element and method for manufacturing liquid ejection head  
A method for manufacturing a piezoelectric element includes a process for forming a first conductive layer, a process for forming a piezoelectric layer having a region serving as an active region,...
8912708 Electromechanical motor  
An electromechanical motor includes an actuator assembly and a body to be driven in a driving direction. The actuator assembly has an actuator backing, a first actuator and a second actuator. The...
8912707 Friction-driven actuator  
An apparatus for actuating a positioning device includes a housing; a piezoelectric element connected to the housing; a driven element configured to move relative to the housing; and a flexible...
8899729 Piezoelectric actuator and liquid transport apparatus provided with piezoelectric actuator  
A piezoelectric actuator includes a vibration plate which is joined to a flow passage unit to cover a pressure chamber formed in the flow passage unit, a piezoelectric layer arranged on the...
8890392 Piezoelectric actuator having a moveable electrode portion  
A piezoelectric actuator that includes a fixed electrode in a base substrate, a dielectric layer on the surface of the base substrate, a lower electrode that is at least partially separated from...
8884494 Slip-stick piezoelectric actuator  
A piezoelectric actuator includes a fixed body, a movable body arranged to face the fixed body, and a plurality of piezoelectric elements arranged between the fixed body and the movable body and...
8881370 Method of fabricating an inertial sensor  
Inertial sensor having a body with first and second cavities on opposite sides thereof, a sensing element in the first cavity, electronic circuitry in the second cavity, electrical conductors...
8878420 Haptic feedback apparatus  
Disclosed is an apparatus used in an electronic device for providing haptic feedback. The apparatus includes a main board defining a mounting surface, a vibration unit mounted on the mounting...
8860284 Piezoelectric multiplexer  
A piezoelectric multiplexer includes an actuator and multiple bimorph beams. The actuator includes an actuator conducting head and an actuator stem, and each bimorph beam includes a conducting...
8853917 Carbon nanotube based electrostrictive element  
An carbon nanotube based electrostrictive element includes two electrostrictive layers spaced with each other, an electrical connector, and two electrodes. The two electrostrictive layers are...
8853916 Reconfigurable bi-stable device  
A reconfigurable bi-stable device includes an elastically deformable panel laterally disposed between and connected to one or more mounting members directly or indirectly connected to opposing...
8847469 Composite substrate and method for manufacturing the composite substrate  
In a composite substrate, a back surface of a piezoelectric substrate and a front surface of a support substrate are bonded to each other with an adhesive layer. The adhesive layer includes a...
8845555 System and method for evaluating tissue  
The present invention provides a sensor system for measuring an elastic modulus and a shear modulus and a method for using the sensor system to evaluate a tissue by determining the presence of...
8841820 Synthetic jet apparatus  
A synthetic jet apparatus including a series of generally parallel spaced-apart bimorph piezoelectric plates defining first and second sets of fluid chambers. The chambers of the second set of...
8836201 Electroactive polymers and articles containing them  
An electroactive polymer device is described that includes at least one layer of a dielectric polymer that is a polymerized product of at least one ethylenically unsaturated nitrogen-containing...
8836202 Piezoelectric device system producing both vibration and electric power  
A piezoelectric device system has a first piezoelectric element, a proof mass, a second piezoelectric element, and a microstructure output portion. The first piezoelectric element is oscillated by...
8827428 Piezoelectric motor, liquid ejecting apparatus, and clock  
A piezoelectric motor includes a piezoelectric element having a piezoelectric layer, and a first and a second electrodes, the first electrode provided on one surface side of the piezoelectric...
8819903 Manufacturing method of a piezoelectric element and a liquid ejecting head  
A manufacturing method of a piezoelectric element includes: forming a first conductive layer upon a substrate; forming a piezoelectric layer upon the first conductive layer; forming a second...
8823244 Monolithic multi-layered actuator with external electrodes made of a metallic, porous, expandable conductive layer  
A monolithic multilayer actuator made of a sintered stack of thin films of piezoceramio with embedded metallic internal electrodes. All metallic internal electrodes of one polarity are...
8823245 Solder material for fastening an outer electrode on a piezoelectric component and piezoelectric component comprising a solder material  
A solder material can be used for fastening an outer electrode on a piezoelectric component. The solder material contains tin as the main constituent and at least one addition from the group of...
8816569 Actuator  
There is provided an actuator that can deform as an electrolyte moves, wherein at least one of a pair of electrode layers contains polymer fibers, and the polymer fibers contain an...
8813324 Method for providing a piezoelectric multilayer  
A method for fabricating a piezoelectric multilayer are described. The method includes providing conductive layers. Alternating conductive layers are electrically connected. A first plurality of...