Class 310/332 - Multimorph

Subclass of Class 310 - Electrical generator or motor structure
Definition: Subject matter having at least two piezoelectric elements
No. of applications: 30
Last issue date: 04/05/2012

Application No.	Application Title	Issue Date
20120080981	Piezoelectric Power Generator A piezoelectric power generator that includes a piezoelectric laminate in which a plurality of rectangular-shaped piezoelectric elements each having electrodes formed on a substrate are connected at both ends thereof to each other, and in which a portion other than conn...	04/05/2012
20110131838	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 microcontroller, and a plurality of displacement regions. Each region defines a p...	06/09/2011
20100244628	PIEZOELECTRIC-DRIVEN MEMS ELEMENT A piezoelectric-driven MEMS element includes a substrate, a beam, a fixed portion, a fixed electrode portion and a power source. The beam is provided with a lower electrode film, a lower piezoelectric film, a middle electrode film, an upper piezoelectric film and an upp...	09/30/2010
20100231659	THIN-FILM ACTUATOR, LIQUID EJECTION HEAD, INK CARTRIDGE, AND IMAGE FORMING APPARATUS A thin-film actuator that deforms a diaphragm to generate force includes a lower electrode disposed on the diaphragm, a first piezoelectric layer disposed on the lower electrode, an intermediate electrode disposed on the first piezoelectric layer, a second piezoelectric...	09/16/2010
20100096949	Piezoelectric multilayer-stacked hybrid actuation/transduction system A novel full piezoelectric multilayer stacked hybrid actuation/transduction system. The system demonstrates significantly-enhanced electromechanical performance by utilizing the cooperative contributions of the electromechanical responses of multilayer stacked negative ...	04/22/2010
20100045142	NEGATIVE VERTICAL DEFLECTION PIEZOELECTRIC MEMS ACTUATORS AND METHOD OF FABRICATION Co-fabricating of vertical piezoelectric MEMS actuators that achieve large positive and negative displacements through operating electric fields in excess of the coercive field includes forming a large negative displacement vertical piezoelectric MEMS actuator, forming ...	02/25/2010
20100019622	ELECTROMECHANICAL ACTUATORS AND MANUFACTURING METHOD THEREOF An electromechanical actuator comprises a bimorph element (10) of an electromechanical material. The bimorph element (10) is controllably bendable in a first direction (15) by application of three voltage potentials to electrodes (41, 42, 43)...	01/28/2010
20090174287	DEVICE FOR FIXING A FIRST EQUIPMENT ITEM TO A SECOND EQUIPMENT ITEM, WITH ACTIVE MICROPOSITIONING A device (D) is dedicated to fixing a first piece of equipment (E1) relative to a second piece of equipment (E2). The device has (i) a structure having a rigid central body (CC) prolonged by two approximately identical terminal bodies (CT1, CT2	07/09/2009
20090124994	MINIATURE DRUG DELIVERY PUMP WITH A PIEZOELECTRIC DRIVE SYSTEM A drug delivery pump which uses a piezoelectric drive system to advance a small syringe piston to deliver a liquid drug and a method thereof are disclosed. The present invention has a cost and size advantage compared to traditional pumps and is a very compact and potent...	05/14/2009
20090079301	Three-Dimensional Stack-Type Piezo Element and Piezoelectric Actuator Having Such a Stack-Type Piezo Element A three-dimensional stack-type piezo element has at least one surface that is shaped perpendicular to layer planes of the stack, so that, at least in sections, it is not parallel to a stacking direction of the piezo element....	03/26/2009
20090051251	PIEZOELECTRIC DRIVEN MEMS APPARATUS AND PORTABLE TERMINAL A piezoelectric driven MEMS apparatus includes: a substrate; a support part provided on the substrate; a fixed electrode provided on the substrate; and an actuator having a first electrode film, a piezoelectric film formed on the first electrode film, and a second elect...	02/26/2009
20080252177	Indexing dithering mechanism and method Dithering mechanism and method for eliminating the effects of zero-rate bias in a rate sensor or gyroscope. Both continuously moving and indexing embodiments are disclosed. The mechanism includes a first part mounted in a fixed position centered about a dither axis perp...	10/16/2008
20080246372	Device and Method for Influencing Vibration of a Planar Element The invention is a device for influencing the vibration of a planar element having two opposite surfaces and a neutral fiber plane running between the two surfaces including at least one actuator and at least one sensor which each are provided with transducer materials ...	10/09/2008
20080225089	PIEZOELECTRIC ACTUATOR, LIQUID EJECTION HEAD, IMAGE FORMING APPARATUS, AND METHOD OF MANUFACTURING PIEZOELECTRIC ACTUATOR The piezoelectric actuator has: a diaphragm made of silicon; an insulating layer formed on a front surface of the diaphragm; a plurality of individual electrodes formed on a surface of the insulating layer; a plurality of piezoelectric bodies formed respectively on surf...	09/18/2008
20080174273	Piezoelectric Energy Harvester A mechanism for capturing mechanical energy and converting it to electrical energy for use continually charging or providing emergency power to mobile, battery-powered devices comprises a plurality of elongated piezoelectric elements mounted at one or support points to ...	07/24/2008
20080170107	ACTUATOR DEVICE AND LIQUID EJECTING HEAD INCLUDING THE SAME An actuator device includes a piezoelectric element including a lower electrode, a piezoelectric layer, and an upper electrode that are displaceably provided in sequence on a substrate. The lower electrode includes a flat center portion and an inclined end portion that ...	07/17/2008
20080122315	SUBSTRATE SUPPORTING VIBRATION STRUCTURE, INPUT DEVICE HAVING HAPTIC FUNCTION, AND ELECTRONIC DEVICE There is provided a substrate supporting vibration structure which is a vibration structure for supporting a substrate. The substrate supporting vibration structure includes a spacer member, fixed between a first substrate and a second substrate, having at least one for...	05/29/2008
20080100179	Enhanced displacement piezoelectric motor A mechanical energy generating apparatus is provided. The apparatus includes a shape changing flexure beam connected at opposing distal ends to first lever arms of a pair of opposing tilt connectors. The apparatus additionally includes a bias beam connected at opposing ...	05/01/2008
20080088204	Ion Introducer Employing Piezoelectric Bimorph Element A piezoelectric bimorph element two piezoelectric elements to produce an electromotive force by imparting a stress to respective piezoelectric elements. The piezoelectric bimorph element is arranged in an oscillator such that the piezoelectric bimorph element is deforme...	04/17/2008
20080048526	PIEZOELECTRIC ACTUATOR DEVICE FOR ULTRASONIC MOTOR An ultrasonic motor piezoelectric actuator element uses a primary longitudinal mode and a secondary bending mode and includes a stacked piezoelectric element in which piezoelectric layers and electrode layers are stacked alternately in such a manner that the electrode l...	02/28/2008
20070284968	Piezoelectric Actuator, Imaging Element Moving Device Using the Same, and Imaging Device Using the Same To implement a piezoelectric actuator which can actuate a large object, such as an imaging element, in a predetermined direction at high power without involvement of rotational displacement; which can ensure a large amount of actuation; which is suitable for miniaturiza...	12/13/2007
20070279775	Bimorph Mirror With Two Piezoelectric Layers Separated By A Central Core Of Semirgid Material The invention relates to a bimorph mirror presenting first and second layers (1, 2) of piezoelectric ceramic together with at least one electrode enabling at least one curvature of the mirror to be varied as a function of at least one electrical voltage applied t...	12/06/2007
20070267944	Method and transducers for dynamic testing of structures and materials A transducer for dynamic testing of specimen is disclosed. The transducer comprises at least two equally-spaced actuators, and a supporting block for supporting the at least two equally-spaced actuators and for mounting the transducer to the specimen. Each of the at lea...	11/22/2007
20070241641	Actuator and method of manufacturing actuator module An object of the present invention is to provide a thin and light-weight actuator module structure comprising a multi-layer structure such as a bimorph or unimorph structure that can be formed in an arbitrary shape and deformed in an arbitrary direction, which is high i...	10/18/2007
20070228887	PIEZOELECTRIC DRIVEN MEMS DEVICE A MEMS device includes: a first actuator having a first fixed end, including a stacked structure of a first lower electrode, a first piezoelectric film, and a first upper electrode, and being able to be operated by applying voltages to the first lower electrode and the ...	10/04/2007
20070205699	Heat efficient micromotor An electromechanical actuator comprises at least two actuating portions of electromechanically active material extending by a generally elongated shape from a back portion. The actuating portions are bimorphs, attached by a first end to a first side of the back portion ...	09/06/2007
20070176515	Stator and Carriage for a Piezoelectric Liner Motor A piezoelectric linear motor apparatus and method is provided. The apparatus comprises a carriage configured to be actuated and a stator configured to actuate the carriage. The stator comprises a meander line structure and a gear teeth structure, coupled to the top of t...	08/02/2007
20060119221	Piezoelectric/electrostrictive device A piezoelectric/electrostrictive device including a ceramic substrate having a pair of mutually opposing thin plate sections, a fixed section for supporting the thin plate sections, and movable sections disposed proximate to ends of the pair of thin plate sections. Each...	06/08/2006
20050269906	Electro-active actuator An electro-active actuator having a bender construction comprising layers of electro-active material and electrode layers for activation of the electro-active material, the layers of electro-active material being shaped to extend continuously along at least one curved p...	12/08/2005
20050127792	Piezoelectric switch for tunable electronic components A piezoelectric switch for tunable electronic components comprises piezoelectric layers, metal electrodes alternated with the layers and contact pads. Cross voltages are applied to the electrodes, in order to obtain an S-shaped deformation of the switch and allow contac...	06/16/2005

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Class 310/332 - Multimorph