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| Number | Title | Issue Date |
| 7936110 | Lateral excitation of pure shear modes Circularly polarized resonant structures are obtained utilizing piezoelectric resonators made of materials and orientations selected in accordance with the teaching provided herewith. Further provided are radially polarized structures. Furthermore, the utilization o... | 05/03/2011 |
| 7834519 | Method and device for precisely resisting and moving high load A precise and high load resistance moving method to perform fine movement positioning of the moving body, by fixing a piezoelectric element which generates a shear deformation, to a bottom surface of a wedge-shaped moving element placed on a base, and deforming the ... | 11/16/2010 |
| 7825568 | Electro acoustic sensor for high pressure environments A composite acoustic wave device (AWD) which is adapted for operation at high ambient pressures is provided. The AWD comprises two piezoelectric plates in back to back relationship, with electrodes disposed between the plates. The plates are bonded so as to neutrali... | 11/02/2010 |
| 7656075 | Nanomanipulator used for analyzing or machining objects The invention relates to a nanomanipulator that is used for analyzing or machining objects. Said nanomanipulator is equipped with several moving elements which can be adjusted to perform movements and support the object that is to be moved or an object holder in ord... | 02/02/2010 |
| 7646138 | Diamond enhanced thickness shear mode resonator A thickness shear mode (TSM) resonator is described, comprising a diamond layer. The diamond layer is preferably a high quality diamond layer with at least 90% sp3 bonding or diamond bonding. A method for manufacturing such a resonator is also described. ... | 01/12/2010 |
| 7622847 | Method and device for precisely resisting and moving high load A precise and high load resistance moving method to perform fine movement positioning of the moving body, by fixing a piezoelectric element which generates a shear deformation, to a bottom surface of a wedge-shaped moving element placed on a base, and deforming the ... | 11/24/2009 |
| 7615912 | Acoustic transducer An electroacoustic transducer having a tail mass, a head mass and at least two parallelepiped shaped piezoelectric material elements disposed between and attached to the tail mass and the head mass is provided. The tail mass has a body extending between a first end ... | 11/10/2009 |
| 7436103 | Variable inductor element and mobile wireless apparatus A variable inductor element has a substrate, a first inductor element which is fixedly arranged on the substrate, a second inductor element which is supported by the substrate, is magnetically coupled with the first inductor element and variably control a mutual con... | 10/14/2008 |
| 7417359 | Small piezoelectric air pumps with unobstructed airflow A T-shaped blade, or one or more hollow tubes, are vibrationally excited by one or more piezoelectric elements to generate an airflow from a free end of the blade or tube(s). The airflow may be directed to, or drawn away from, an electronic component to cool the ele... | 08/26/2008 |
| 7368857 | Piezoelectric resonator element, piezoelectric, resonator, and piezoelectric oscillator Exemplary embodiments provide a piezoelectric resonator element, to reduce the reaching of an attenuating vibration of a main vibration to a marginal edge of the piezoelectric resonator element, as well as to stabilize an oscillating-frequency without worsening the ... | 05/06/2008 |
| 7358648 | Torsion resonator and filter using this The invention provides a high-frequency torsion vibrator which can excite efficiently without having any paddle. The torsion vibrator is configured as a beam structure having an almost constant section and having no paddle and is disposed so as to be close to an ele... | 04/15/2008 |
| 7358649 | Small piezoelectric air pumps with unobstructed airflow A T-shaped blade, or one or more hollow tubes, are vibrationally excited by one or more piezoelectric elements to generate an airflow from a free end of the blade or tube(s). The airflow may be directed to, or drawn away from, an electronic component to cool the ele... | 04/15/2008 |
| 7356894 | Method of producing a micro-actuator In a method of producing a micro-actuator, a first adhesive is applied to a movable plate, and a movable, and a movable electrode is placed on the first adhesive. A second adhesive is applied to the movable electrode, and a piezoelectric element is placed on the sec... | 04/15/2008 |
| 7353720 | Bridge patch for electromechanical transducer elements in tire assemblies A bridge patch for use with a tire is provided. The bridge patch modifies the magnitude, orientation, or both of the mechanical forces, and particularly the stress-strain relationship, imparted by the inner liner of a tire in order to obtain the desired stress-strai... | 04/08/2008 |
| 7350758 | Module for mounting a MEMS device A module for mounting a micro-electromechanical system (MEMS) device includes a base having a first support and a second support. The second support has a support guide feature. The module also includes a bracket attached to the MEMS device. The bracket has a centra... | 04/01/2008 |
| 7345406 | Piezoelectric/electrostrictive device A piezoelectric/electrostrictive device that includes a base 11 having a pair of right and left movable parts 11a, 11b and a fixing part 11c disposed at one end thereof as well as piezoelectric/electrostrictive elemen... | 03/18/2008 |
| 7316059 | Method of manufacturing an ultrasonic probe A method of manufacturing an ultrasonic probe including the steps of forming a plurality of first slits on a layered assembly having a first imner electrode member and a second inner electrode member through a top surface of the layered assembly and forming a plural... | 01/08/2008 |
| 7312674 | Resonator system with a plurality of individual mechanically coupled resonators and method of making same A resonator system wherein a plurality of resonators each including piezoelectric material are suspended relative to a substrate. An edge of each resonator is mechanically coupled to an edge of another resonator and the plurality of resonators expand and contract re... | 12/25/2007 |
| 7307372 | Piezoelectric motor and method of exciting an ultrasonic traveling wave to drive the motor A rotary ultrasonic piezoelectric motor is provided and a method of exciting a flexure traveling wave to drive the motor. The motor includes a stator having a piezoelectric ceramic disc polarized in the radial direction and bounded by a top electrode and a segmented... | 12/11/2007 |
| 7307627 | Individual acoustic wave switch An individual acoustic wave switch includes a body with a top section having an acoustic wave cavity formed therein and a base section extending downwardly from the top section. An acoustic wave transducer is mounted adjacent to a surface of the acoustic wave cavity... | 12/11/2007 |
| 7301257 | Motion actuator The present invention provides a shear motion driven motion actuator. The motion actuator provides a plurality of driving modes to drive a main body, including the inertial drive mode, the friction drive mode and the scanning mode. The motion actuator comprises a ba... | 11/27/2007 |
| 7289300 | Piezoelectric motor for moving a carriage along a guide In one embodiment, an actuator comprises a stationary guide, a carriage movable along the guide, and a piezoelectric motor operatively coupled to the carriage and pushing on the guide such that the motor when energized moves with the carriage along the guide. ... | 10/30/2007 |
| 7218482 | Micro-actuator, head gimbal assembly and manufacturing method thereof A head gimbal assembly comprising a slider having a read\write sensor; a suspension to load the slider; a micro-actuator; wherein the micro-actuator comprises a piezoelectric unit with two piezoelectric elements and a support base having a base to be coupled with th... | 05/15/2007 |
| 7216542 | Three-component piezoelectric vibration accelerometer provided with a sensor The inventive device comprises a piezo element, embodied in the form of a square based rectangular parallelopiped fixed to a substrate. A piezo module matrix is embodied in a given shape. A conductive layer is made of a conductive glue. The edges of said rectangular... | 05/15/2007 |
| 7215068 | Piezoelectric actuator head suspension unit employing piezoelectric actuator, and magnetic disk drive employing head suspension unit A piezoelectric element of a piezoelectric actuator is clamped by two electrodes, each of which has a conductive layer on a insulating layer. At least a connection terminal is formed by extending the conductive layer outside the insulating layer. ... | 05/08/2007 |
| 7201041 | Analysis method using piezoelectric resonator A piezoelectric resonator is immersed in a liquid, an AC signal is applied, and a local maximum of the conductance is determined. A frequency change due to the viscosity effect is determined from two frequencies of three frequencies including a resonance frequency t... | 04/10/2007 |
| 7199495 | Magnetoelectric devices and methods of using same The operational frequency of existing magnetoelectric materials having metallic or ceramic magnetostrictive materials and ceramic piezoelectric materials may be limited to a few kilohertz due to the presence of eddy-current losses in the metallic magnetostrictive ph... | 04/03/2007 |
| 7199507 | Piezoelectric motors and motor driving configurations A piezoelectric motor comprising: a piezoelectric vibrator having an axis of symmetry and a first vibration mode, which when excited generates oscillatory motion of mass points in the vibrator parallel to the axis of symmetry; and at least one friction nub having a ... | 04/03/2007 |
| 7199978 | Method and apparatus for connecting a micro-actuator to driver arm suspension A system and method for connecting an actuator to a suspension element is disclosed. The actuator is electrically coupled using a silver paste. The silver paste is further covered by a coating application to provide structural support. A step, attached to either the... | 04/03/2007 |
| 7183696 | Thin film piezoelectric element, suspension assembly, and hard disk drive A thin film piezoelectric element has a laminate including a piezoelectric film and a pair of electrode films placed so as to sandwich the piezoelectric film in between, a resin film formed so as to cover the laminate, and an electrode formed on the resin film and e... | 02/27/2007 |
| 7169022 | Method and apparatus for creating a groove in a collector ring of an electrical device A method and apparatus for creating a groove in the surface of a collector ring for use in an electrical device. The method and apparatus can be used to create a new groove in the surface of a collector ring having none, or can be used to enhance or re-form an exist... | 01/30/2007 |
| 7166953 | Electroactive polymer rotary clutch motors The present invention relates to mechanical-electrical power conversion systems. The systems comprise one or more electroactive polymers that convert between electrical and mechanical energy. When a voltage is applied to electrodes contacting an electroactive polyme... | 01/23/2007 |
| 7165746 | Vibration motor primary flight control actuator The invention provides an actuator for a control surface (7), in particular for a primary flight control of an aircraft, the actuator including a main actuator (3) in a main control line (1) for actuating the control surface (7), the actu... | 01/23/2007 |
| 7161274 | Micro-oscillation element having two rotational axes that are non-orthogonal to each other A micro-oscillation element includes a movable main section, a first frame and a second frame, and a first connecting section that connects the movable main section and the first frame and defines a first axis of rotation for a first rotational operation of the mova... | 01/09/2007 |
| 7136155 | Apparatus for measuring oil oxidation using fluorescent light reflected from oil An apparatus for measuring oil oxidation is capable of being mounted to mechanical devices for detecting power of fluorescent light reflected from oil in real time as an indication of the oil oxidation. A plurality of first optical fibers are connected to a light-em... | 11/14/2006 |
| 7131640 | Isolator mount for shock and vibration An isolator mount for the active dissipation of shocks and vibrations is presented. The invention includes at least one energy dissipating element disposed between deflectable elements so as to provide soft damping for small disturbance excitations, yet remaining su... | 11/07/2006 |
| 7124870 | Power transmitting mechanism and power transmitting method A mechanism for mechanically coupling a driving source and a driven member. The mechanism includes a first member coupled to the driving source and a second member coupled to the driven member. A resilient member exerts a force to bring the first and second members ... | 10/24/2006 |
| 7114373 | Fluid monitoring An apparatus for measuring the viscosity and temperature of a fluid, for example an engine oil, comprises a transducer, which is arranged to vibrate when provided with a drive signal to produce an ultrasonic shear wave; an impedance matching layer that is inserted i... | 10/03/2006 |
| 7111500 | Analysis method using piezoelectric resonator A piezoelectric resonator is immersed in a liquid, an AC signal is applied, and a local maximum of the conductance is determined. A frequency change due to the viscosity effect is determined from two frequencies of three frequencies including a resonance frequency t... | 09/26/2006 |
| 7109640 | Holographic apparatus and method adopting actuated mirror A holographic apparatus including an actuated mirror includes a fixed body having a first piezo-actuator protrudingly installed thereat; a movable body rectilinearly movable and having a second piezo-actuator protrudingly installed thereat; a rotatable body mounting... | 09/19/2006 |
