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9038263 Thickness shear mode resonator sensors and methods of forming a plurality of resonator sensors  
Arrays of resonator sensors include an active wafer array comprising a plurality of active wafers, a first end cap array coupled to a first side of the active wafer array, and a second end cap...
9018824 Power generating apparatus  
A power-generating apparatus includes: a deformation member that is provided with a first piezoelectric device and deformed while switching a deformation direction; an amount of deformation...
9006957 Power generation unit, electronic apparatus, transportation device, and method of controlling power generation unit  
A power generation unit includes a deforming member (a beam) adapted to deform while switching a deformation direction, a first piezoelectric device provided to the deforming member (the beam), a...
8957566 Power generation unit, electronic apparatus, transportation device, battery, and method of controlling power generation unit  
A power generation unit includes a first piezoelectric device having a pair of electrodes, a second piezoelectric device stacked on the first piezoelectric device, a switch electrically connected...
8946973 Device for changing the operational state of an apparatus  
The invention relates to a device for changing the operational state of an apparatus, in particular from a stand-by or power down mode into an active state, which, in order to reduce power...
8949095 Grid architecture for powertrain packaging  
A method to improve design efficiency by reducing power plant complexity and engineering costs by minimizing power plant changes when installing into new powertrain groups. A three-dimensional...
8878421 Energy harvesting/tire pressure, temperature and tire data transmitter  
The invention embodies a harvester (12) to convert energy from mechanical domain to electrical domain. The harvester comprises at least one inertial body (6), at least one beam (7, 9), a support...
8872411 Method for operating a piezoceramic sensor and circuit for carrying out the method  
In the case of a method for operating a piezoceramic sensor with an evaluation electrode, an electrical signal generated by the piezoceramic sensor at the evaluation electrode is evaluated to...
8866366 Piezoelectric sensor device and piezoelectric sensor device drive method  
A piezoelectric sensor device includes a piezoelectric element, a signal processing unit, a polarization processing unit and a connection switching unit. The piezoelectric element has a...
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...
8841818 Piezoelectric electromechanical devices  
An piezoelectric electromechanical transistor has first and second terminals formed in a semiconductor region, a gate and a piezoelectric region between the gate and the semiconductor region. The...
8836199 Power generation unit, secondary cell, and electronic apparatus  
A power generation unit includes a deforming member adapted to repeatedly deform a piezoelectric element, a pair of electrodes provided to the piezoelectric element, an inductor disposed between...
8806738 Method for manufacturing quartz crystal unit, quartz crystal oscillator and electronic apparatus  
A method for manufacturing a quartz crystal unit, comprising the steps of forming a quartz crystal tuning fork shape having a quartz crystal tuning fork base, and first and second quartz crystal...
8803342 Device and relative method for scavenging energy  
An energy scavenging device includes an electromagnetic transducer adapted to generate a current in response to accelerations impressed thereto. The device also includes a power switching stage...
8805031 Method and system for acoustic impediography biometric sensing  
Provided is a method for analyzing a fingerprint, including storing a captured fingerprint in a memory; and analyzing the stored fingerprint using acoustic sensing principles.
8796907 Increased frequency power generation using low-frequency ambient vibrations  
An increased frequency power generator that includes a pair of transducers located on opposite sides of a suspended inertial mass. Magnetic attraction is used to couple the mass to each of the two...
8773001 Rotating transducer mount for ultrasonic surgical instruments  
In one general aspect, various embodiments are directed to an ultrasonic surgical instrument that comprises a handpiece housing that operably supports an electrical contact assembly therein that...
8766511 Method and system for distributed network of nanoparticle ink based piezoelectric sensors for structural health monitoring  
The disclosure provides in one embodiment a system for monitoring structural health of a structure. The system has a structure to be monitored for structural health. The system further has a...
8764911 Ultrasonic wave generating apparatus for preventing scale from being produced in pipe and removing the same from the pipe  
An ultrasonic wave generating apparatus includes: a generator including an electric power supply, a controller that generates a control signal, a liquid crystal display indicator, and a transducer...
8759993 Energy harvesting system  
A system, in certain embodiments, includes a joint and an energy harvesting system. The energy harvesting system includes an energy conversion system configured to convert kinetic energy from...
8749115 Dynamically adjustable orthotic device  
An orthotic device comprises a flexible support structure comprising at least one surface for contacting a body part of a user, a plurality of pressure sensors configured for coupling to a...
8732938 Method of packaging a sensor  
An improved method of packaging a sensor is provided. The method includes the step of affixing a tuning fork to a platform. The tuning fork includes tines comprising one or more surfaces, with...
8723397 Dynamically adjusting piezoelectric current sensors  
Provided are various embodiments of an adjustment circuit, having a base layer and a piezoelectric layer juxtaposed relative to the base layer and including a first electrode such that when the...
8723398 Piezoelectric energy harvesting apparatus  
Disclosed is a piezoelectric energy harvesting apparatus. The piezoelectric energy harvesting apparatus includes: a piezoelectric energy harvesting array that includes a plurality of piezoelectric...
8664834 Electromechanical energy converter for generating electric energy from Mechanical Movements  
An electromechanical energy converter for generating electric energy from mechanical vibrations has a bending bar clamped to a holder that can be set in vibration and elastically deflected at an...
8653718 Power generation unit, electronic apparatus, transportation unit, battery, method of controlling power generation unit  
A power generation unit includes: a deformation member which is deformed by switching a deformation direction; a piezoelectric element which is installed to the deformation member; a pair of...
8618719 Autonomous power generation unit for auxiliary system on an airborne platform  
A power generation device that provides power to an auxiliary system on an airborne platform, includes a piezoelectric energy harvesting device and an energy storage unit, including a battery and...
8618910 Finger biometric sensor including laterally adjacent piezoelectric transducer layer and associated methods  
A finger biometric sensor may include a finger biometric sensing layer having an upper major surface and at least one sidewall surface adjacent thereto. The finger biometric layer may be for...
8604666 Power generating device and electronic component  
A power generating device includes: a piezoelectric member that is formed from a piezoelectric material; one pair of electrodes that are installed to the piezoelectric member; a transformation...
8604673 Power generating device, electronic apparatus, and transportation apparatus  
A power generating device which includes a transformation member that is transformed by receiving a transformation force in a transformation direction, a first piezoelectric device that is...
8605053 Method and device for detecting user input  
A method and a device for detecting user input includes receiving a user input at an input arrangement of a user interface. The input arrangement has at least one piezoelectric sensor that...
8604905 Finger biometric sensor including laterally adjacent piezoelectric transducer layer and associated methods  
A finger biometric sensor may include a finger biometric sensing layer having an upper major surface and at least one sidewall surface adjacent thereto. The finger biometric layer may be for...
8595923 Method of determining a flexoelectric effect in a liquid crystal material  
There are provided methods for creating energy conversion devices based on the giant flexoelectric effect in non-calamitic liquid crystals. By preparing a substance comprising at least one type of...
8581473 System for using the air pressure acting on a vehicle in motion to produce energy  
Embodiments of the present invention feature an energy conversion system to be installed on a vehicle, comprising a movably mounted surface resting on at least one deformable piezoelectric...
8549719 Method of generating electrical energy in an integrated circuit, corresponding integrated circuit and method of fabrication  
A method of generating electrical energy in an integrated circuit that may include setting into motion a (3D) three-dimensional enclosed space in the integrated circuit. The 3D enclosed space may...
8525390 Fluid power generation system having a generator with an electrical-charge-producing material  
An embodiment of a fluid power generation system has a generator comprising an electrical-charge-producing material and a pair of end boundary constraints. One of the end boundary constraints of...
8525386 Dynamically adjustable orthotic device  
An orthotic device comprises a flexible support structure comprising at least one surface for contacting a body part of a user, a plurality of pressure sensors configured for coupling to a...
8513855 Control device for suppression of residual vibration of piezoelectric transducer  
A control device for suppression of residual vibration of a piezoelectric transducer includes a capacitive energy storage component, and a switch unit. The control device is operable in a...
8508103 Piezoelectric identification device and applications thereof  
Provided is a transducer having first and second surfaces including first electrode lines positioned along the first surface in a first direction and configured for grounding and second electrode...
8482183 Test substrate and method for measuring contact force  
A test substrate for measuring contact force and a method for measuring contact force are provided in the technology. The substrate may comprises: a base substrate, and a piezoelectric element...
8446069 Switch device  
The invention relates to a switch device (10), for switching a user on and off, in particular, a motor or similar in a vehicle, comprising a housing (20), an operating element (30), a switch...
8441169 Voltage converter and driving system using such voltage converter  
A voltage converter is provided for receiving a low input DC voltage and driving a piezoelectric actuator of a fluid transportation device. The voltage converter includes plural capacitors, a...
8441172 Nonlinear oscillator for vibration energy harvesting  
An oscillator apparatus and method for vibration energy harvesting includes a nonlinear oscillator (e.g. piezoelectric, magnetic or liquid oscillator) configured in association with a potential...
8436512 Method of rapidly interrogating elastic wave sensors  
A method of remotely interrogating a passive sensor, comprising at least one resonator, so as to determine the resonant frequency of said resonator, having a resonant frequency response defined by...
8410661 Method of generating electrical energy in an integrated circuit, corresponding integrated circuit and method of fabrication  
A method of generating electrical energy in an integrated circuit that may include setting into motion a (3D) three-dimensional enclosed space in the integrated circuit. The 3D enclosed space may...
8375559 Manufacturing method of a quartz crystal unit , a quartz crystal oscillator and an electronic apparatus  
A method of manufacturing a quartz crystal unit comprises disposing a metal film on opposite surfaces of a quartz crystal wafer and then etching the wafer to form a two-line tuning fork resonator...
8373332 Energy harvesting electric device  
Provided is an energy harvesting electric device capable of increasing output power. The energy harvesting electric device includes an energy harvester array including a plurality of energy...
8368290 Rectifier-free piezoelectric energy harverster and battery charger  
A circuit for harvesting electrical energy from a piezoelectric source and for storing the electrical energy in a battery includes an inductor that is configured to store electrical energy. A...
8330335 Piezo magnetostrictive device  
A piezo magnetostrictive device has a sheet of piezo material with an array of holes formed therein. At least some of the holes are filled with a magnetostrictive material which converts magnetic...
8324784 Method for tuning a resonant frequency of a piezoelectric component  
A method for tuning a resonant frequency of a piezoelectric component is disclosed. The piezoelectric component includes a transducer extending in three spatial directions. The resonant frequency...