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| Number | Title | Issue Date |
| 8138656 | Actuator pump system An actuator housing unit for a system of layered surfaces, comprising an activated primary surface having a physical shape capable of change when activated by an electrical, chemical, or light stimulus, to expand and exert force or pressure or contract and remove fo... | 03/20/2012 |
| 8093781 | Electrochemical actuator The present invention provides systems, devices, and related methods, involving electrochemical actuation. In some cases, application of a voltage or current to a system or device of the invention may generate a volumetric or dimensional change, which may produce me... | 01/10/2012 |
| 8089195 | Integrated acoustic bandgap devices for energy confinement and methods of fabricating same The present invention is directed to monolithic integrated circuits incorporating an oscillator element that is particularly suited for use in timing applications. The oscillator element includes a resonator element having a piezoelectric material disposed between a... | 01/03/2012 |
| 8063533 | Electronic device having piezoelectric pump which may prevent or reduce deterioration of s/n ratio which may be caused by air noise of the pump during a recording operation An electronic device having a piezoelectric pump. The electronic device includes: an audio input section; an audio recording section recording input sound from the audio input section; a piezoelectric pump cooling air by a piezoelectric element; a drive circuit driv... | 11/22/2011 |
| 8008836 | Piezoelectric phase shifter The disclosed is a piezoelectric phase shifter, which comprises: an input part for inputting input voltages; an output part for outputting output voltages; and a control part for tuning phase difference between the output and input voltages, which are made of a piez... | 08/30/2011 |
| 7999435 | Electrochemical actuator The present invention provides systems, devices, and related methods, involving electrochemical actuation. In some cases, application of a voltage or current to a system or device of the invention may generate a volumetric or dimensional change, which may produce me... | 08/16/2011 |
| 7994686 | Electrochemical methods, devices, and structures The present invention generally provides devices and methods involving electrochemical actuation. The devices may comprise at least one component capable of exhibiting a volumetric or dimensional change upon application of a voltage. In some cases, the volumetric or... | 08/09/2011 |
| 7948146 | Clip A clip for securing a sleeve to the body of a piezoelectric actuator in an actuator assembly, the clip taking the form of a band comprising first and second axially spaced ring-like members joined by a plurality of inwardly facing substantially arch shaped sections,... | 05/24/2011 |
| 7948147 | Sensor network incorporating stretchable silicon A sensor network is described which includes a stretchable silicon substrate, and a plurality of nodes fabricated on the stretchable silicon substrate. The nodes include at least one of an energy harvesting and storage element, a communication device, a sensing devi... | 05/24/2011 |
| 7923895 | Electrochemical methods, devices, and structures The present invention provides devices and structures and methods of use thereof in electrochemical actuation. This invention provides electrochemical actuators, which are based, inter-alia, on an electric field-driven intercalation or alloying of high-modulus inorg... | 04/12/2011 |
| 7872396 | Electrochemical actuator The present invention provides systems, devices, and related methods, involving electrochemical actuation. In some cases, application of a voltage or current to a system or device of the invention may generate a volumetric or dimensional change, which may produce me... | 01/18/2011 |
| 7859168 | Actuator pump system An actuator housing unit for a system of layered surfaces, comprising an activated primary surface having a physical shape capable of change when activated by an electrical, chemical, or light stimulus, to expand and exert force or pressure or contract and remove fo... | 12/28/2010 |
| 7843111 | Dielectric composite and a method of manufacturing a dielectric composite A composite for a transducer facilitates an increased actuation force as compared to similar prior art composites for transducers. In accordance with the present invention, the composite also facilitates increased compliance of the transducer in one direction and an... | 11/30/2010 |
| 7791247 | Driving apparatus An automatic focus camera Unit 10, comprises; a piezoelectric element 13a; a driving shaft 13b to be driven by the piezoelectric element 13a; a moving unit 13c to be moved with respect to the driving sha... | 09/07/2010 |
| 7791248 | Piezoelectric composite based on flexoelectric charge separation An example flexoelectric piezoelectric composite has a piezoelectric response, which may be a direct piezoelectric effect, a converse piezoelectric effect, both effects, or only one effect. The flexoelectric composite comprises a first material, which may be substan... | 09/07/2010 |
| 7764004 | Large area induced assembly of nanostructures Provided is an apparatus. In one embodiment, this apparatus includes a substrate having a surface, and a plurality of nanostructures each having a first end and a second end, wherein the first end of each of the plurality of nanostructures is attached to the surface... | 07/27/2010 |
| 7750532 | Electroactive polymer actuated motors Devices employing electroactive polymer actuators are disclosed. Acrylic dielectric material based actuators are optionally provided in which architectures are presented that allow for improved power output as compared with other known acrylic dielectric material ba... | 07/06/2010 |
| 7723897 | Electrical component and method for the production thereof An electrical component includes a body made from a stack of ceramic layers. The body has a cavity that is accessible external to the body. The cavity is defined by a wall. A contact surface is on the wall. A contact device is electrically connected to the contact s... | 05/25/2010 |
| 7701112 | Remote center compliant flexure device An apparatus to control displacement of a body spaced-apart from a surface includes a flexure system having a first flexure member defining a first axis of rotation and a second flexure member defining a second axis of rotation. A body is coupled to the flexure syst... | 04/20/2010 |
| 7701111 | Kit and method for constructing vibration suppression and/or sensing units Kits and methods for building devices for analyzing or suppressing vibrations in equipment are provided. An electrical-mechanical transducer is configured to be placed in operative contact with the equipment. The transducer may be directly mounted to a base plate th... | 04/20/2010 |
| 7696669 | Electrically conductive polymer actuator, method for manufacturing the same, and method of driving the same An electrically conductive polymer actuator having a laminated structure including: a solid electrolyte membrane constituted with a mixture of an ionic liquid, and an organic polymer that contains at least one or more of a vinylidene fluoride/hexafluoropropylene cop... | 04/13/2010 |
| 7687970 | Actuator arrangement An actuator arrangement comprising a piezoelectric actuator having a body section, a shroud which enshrouds at least part of the body section of the actuator, and at least one constrictive member disposed externally with respect to the shroud. The constrictive membe... | 03/30/2010 |
| 7652408 | Piezoelectric devices, process for producing the piezoelectric device, and inkjet recording head A process for producing a piezoelectric device constituted by a first electrode, at least one second electrode, and a piezoelectric film sandwiched between the first electrode and the at least one second electrode so that an electric field can be applied to the piez... | 01/26/2010 |
| 7642693 | Wurtzite thin film, laminate containing wurtzite crystalline layer and their manufacturing methods A thin film made of a wurtzite structure compound is manufactured by a reactive sputtering using a metal material as a target, and a nitrogen gas or oxygen gas as a reactive gas. By optimizing film-forming conditions when manufacturing the film, it is possible to ob... | 01/05/2010 |
| 7608975 | Piezoelectrically-controlled integrated magnetic device The magnetic device according to the invention is integrated on a substrate and comprises at least one element made of piezoelectric material associated with actuating electrodes, and at least one magnetic element able to deform under the stress of the piezoelectric... | 10/27/2009 |
| 7608976 | Electroactive co-polymer systems and devices using the same Electroactive P(VDF-CTFE) copolymers comprising CTFE in ranges between 5 mol % to 20 mol % are disclosed. The electroactive P(VDF-CTFE) copolymers are formed into films that exhibit strain values of 2% or more in response to one or more electromagnetic fields. The e... | 10/27/2009 |
| 7605966 | Optical deflector An optical deflector includes a mirror having a reflective plane; a torsion bar extending outwardly from an end of said mirror; a support surrounding said mirror; a first piezoelectric element, one end of said first piezoelectric element being connected to said tors... | 10/20/2009 |
| 7602098 | Method for driving ion conducting actuator and ion conducting actuator An ion conducting actuator includes a substrate which is made of a polymer material, and facing electrodes for generating an electric field. In the ion conducting actuator, a shape of the substrate is deformed to a desired shape by distributing unevenly ions and/or ... | 10/13/2009 |
| 7589450 | Actuator device, liquid-jet head and liquid-jet apparatus An actuator device includes: a layer provided on a single crystal silicon (Si) substrate, and made of silicon dioxide (SiO2); at least one buffer layer provided on the layer made of silicon dioxide (SiO2); a base layer provided on the buffer la... | 09/15/2009 |
| 7586233 | Ferroelastic ceramic-reinforced metal matrix composites Composite materials comprising ferroelastic ceramic particulates dispersed in a metal matrix are capable of vibration damping. When the ferroelastic ceramic particulates are subjected to stress, such as the cyclic stress experienced during vibration of the material,... | 09/08/2009 |
| 7586234 | Piezoelectric material and piezoelectric device A piezoelectric material is expressed by a general formula (1) as follows: (Bi1−xBax)(Fe1−xTix)O3 . . . (1), where x is greater than 0, but smaller than 1 (0 | 09/08/2009 |
| 7576469 | Sensor comprising a surface wave component The invention relates to a sensor (4) comprising a surface wave component (2) containing information relating to the sensitivity of the sensor. Said information can be consulted by means of a conventional measuring line (6) between an evaluation... | 08/18/2009 |
| 7573177 | Active/passive distributed absorber for vibration and sound radiation control The active/passive absorber for extended vibration and sound radiation control includes principally two layers. The first layer has a low stiffness per unit area which allows motion in the direction perpendicular to its main plane. The second layer is principally a ... | 08/11/2009 |
| 7560852 | Piezoelectric actuator, method for manufacturing piezoelectric actuator, and liquid transporting apparatus A piezoelectric actuator includes a supporting member in which pressure chambers are formed, a vibration plate which is joined to a joining section of the supporting member, a piezoelectric layer formed on the vibration plate, and an FPC provided on the piezoelectri... | 07/14/2009 |
| 7541715 | Electrochemical methods, devices, and structures The present invention provides devices and structures and methods of use thereof in electrochemical actuation. This invention provides electrochemical actuators, which are based, inter-alia, on an electric field-driven intercalation or alloying of high-modulus inorg... | 06/02/2009 |
| 7538472 | Programmable shims for manufacturing and assembly lines Disclosed herein is a programmable shim 28 for positioning a work piece 12 comprising a first plate 30; an optional reference frame 32; and an actuator 34 in operative communication with the first plate 30 and the reference ... | 05/26/2009 |
| 7518284 | Dielectric composite and a method of manufacturing a dielectric composite A composite for a transducer facilitates an increased actuation force as compared to similar prior art composites for transducers. In accordance with the present invention, the composite also facilitates increased compliance of the transducer in one direction and an... | 04/14/2009 |
| 7508112 | Ceramic multilayer component, method for the production thereof and retaining device An electrical component includes a base. The base is made of a sintered ceramic, and at least one electrode that is inside the sintered ceramic. The at least one electrode has a surface that contains metal. The surface is adjacent to the sintered ceramic. In the com... | 03/24/2009 |
| 7501737 | Method and mechanism of PZT micro-actuator attachment for the hard disk driver arm A fixture with a shaped molding may hold a first micro-actuator part and a second micro-actuator part in place for coupling while maintaining the structure of the first micro-actuator part. The first micro-actuator part and the second micro-actuator part may be a fr... | 03/10/2009 |
| 7495369 | Broadband imager A sensor comprises a transducer substrate formed of a photo-acoustically sensitive material and having a receiving surface and an absorptive layer coupled to the transducer substrate receiving surface that detects broadband electromagnetic (EM) radiation. ... | 02/24/2009 |
