Piezoelectric Elements And Devices Patents (Class 310/311)
  • Patent number: 10813207
    Abstract: A single-use neutron generator includes a power supply. The single-use neutron generator includes a fuel source configured to provide neutron-producing fuel. The single-use neutron generator includes a plasma confinement device coupled to the power supply and the fuel source and configured to generate a plasma pinch of the neutron-producing fuel. At least one component of the single-use neutron generator is configured for single use.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: October 20, 2020
    Assignee: THE BOEING COMPANY
    Inventors: James A. Grossnickle, Dejan Nikic, Mark J. Clemen, Jr.
  • Patent number: 10804818
    Abstract: A triboelectric generator includes a resiliently-deformable hexagonal housing including a first housing wall and a second housing wall positioned opposite the first housing wall. A first electrode resides along the first housing wall, and a second electrode resides along the second housing wall. A dielectric contact layer is positioned in intimate contact with the first electrode and between the first electrode and the second electrode. The dielectric contact layer is spaced apart from the second housing wall. The first housing wall is coupled to the second housing wall such that at least one of the first housing wall and the second housing wall is resiliently movable toward the other one of the first housing wall and the second housing wall so as to enable contact between the dielectric contact layer and the second electrode during operation of the triboelectric generator.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: October 13, 2020
    Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.
    Inventors: Songtao Wu, Khoa Vo, Chi-Ming Wang, Debasish Banerjee, Ercan Mehmet Dede, Shailesh Joshi
  • Patent number: 10797217
    Abstract: A bending actuator device or sensor device for sensing bending comprises a stack of electroactive polymer units. The adjacent electroactive polymer units in the stack are slidable relatively to each other. This means that, for an actuator for example, an increased actuation force is enabled without requiring increased driving voltage, and it also avoids the problems of stress build up by allowing sliding between the units.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: October 6, 2020
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Franciscus Johannes Gerardus Hakkens, Cornelis Petrus Hendriks, Daan Anton van Den Ende, Roland Alexander van De Molengraaf, Valentina Lavezzo
  • Patent number: 10756771
    Abstract: A wireless switch comprising: a movable section provided to be freely displaceable; an operation unit elastically held by the movable section and, when in a non-neutral state, vibrating as a result of an action of elastic force that causes return to a neutral state and displacing the movable section in a direction corresponding to a direction of the vibration; a power generation unit generating a voltage of a polarity corresponding to a direction of displacement when the movable section has been displaced; a wireless transmission unit wirelessly transmitting a signal on the basis of power generated by the power generation unit; and a voltage supply control circuit, when the operation unit in the neutral state has been operated such that the operation unit is brought into a non-neutral state, supplying a voltage to the wireless transmission unit using power generated by the power generation unit at a time of an initial state change of the operation unit and then disabling voltage supply to the wireless transmi
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: August 25, 2020
    Assignee: OMRON Corporation
    Inventors: Katsuya Marumo, Yasushi Kawashima, Hajime Umeki, Junji Obata, Keisuke Yano
  • Patent number: 10707407
    Abstract: An ultrasonic device includes a substrate having a first opening, a second opening and a wall part partitioning the first opening and the second opening; a first vibration film and a second vibration film which close the first opening and the second opening respectively; a first piezoelectric element and a second piezoelectric element which are formed on surfaces of the first vibration film and the second vibration film opposite to the substrate; an acoustic matching layer which is disposed within the first opening and the second opening so as to come into contact with the first vibration film and the second vibration film.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: July 7, 2020
    Assignee: Seiko Epson Corporation
    Inventor: Kanechika Kiyose
  • Patent number: 10682119
    Abstract: A transducer device includes a transducer array (300) configured on a substrate (312). The substrate is configured to flex in accordance with a surface. The transducer array includes elements for transmitting and/or receiving acoustic energy. A shape sensing optical fiber (314) is disposed within the array and configured to shape sense a position of the elements in the array. Stiffeners (308) are connected to the array and configured to flex in accordance with the surface and provide a limit to an amount of flexure.
    Type: Grant
    Filed: October 9, 2015
    Date of Patent: June 16, 2020
    Assignee: Koninklijke Philips N.V.
    Inventor: Wojtek Sudol
  • Patent number: 10672528
    Abstract: A multi-modular power plant includes a plurality of on-site nuclear power modules that generate a power plant output, and a number of power plant systems which operate using electricity associated with a house load of the power plant. A switchyard associated with the power plant may electrically connect the power plant to a distributed electrical grid. The distributed electrical grid may be configured to service a plurality of geographically distributed consumers. Additionally, the switchyard may electrically connect the power plant to a dedicated electrical grid. The dedicated electrical grid may provide electricity generated from the power plant output to a dedicated service load, and the power plant output may be equal to or greater than a combined load of the dedicated service load and the house load. At least a portion of the power plant output may be distributed to both the power plant systems and the dedicated electrical grid.
    Type: Grant
    Filed: December 5, 2016
    Date of Patent: June 2, 2020
    Assignee: NUSCALE POWER LLC
    Inventors: Daniel Ingersoll, Jose N. Reyes, Jr., Bill Galyean, Jeremiah Doyle, Ted Hough, Ross Snuggerud
  • Patent number: 10669397
    Abstract: A polymeric piezoelectric film, including a helical chiral polymer (A) having a weight average molecular weight of from 50,000 to 1,000,000 and optical activity, in which, in the film: a crystallinity given by a DSC method is from 20% to 80%; a standardized molecular orientation MORc is from 3.5 to 15.0 when a reference thickness measured by a microwave transmission-type molecular orientation meter is 50 ?m; and when a direction parallel to a phase difference streak is a direction X, a direction perpendicular to the direction X and parallel to a main plane of a film is a direction Y, and the phase difference streak is evaluated by an evaluation method A, per a length of 1,000 mm in the direction Y, a number of phase difference streaks with an evaluation value of 60 or more is 0, and a sum of the evaluation values of phase difference streaks with an evaluation value of 20 or more is 1000 or less.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: June 2, 2020
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Keisuke Sato, Katsuki Onishi, Hiroaki Tsushima, Kazuhiro Tanimoto, Toshihisa Kitagawa
  • Patent number: 10644222
    Abstract: A piezoelectric drive apparatus for a motor, the apparatus including a substrate having a longitudinal direction and a widthwise direction perpendicular to the longitudinal direction, a piezoelectric element provided on the substrate and having a first electrode, a second electrode, and a piezoelectric body positioned between the first electrode and the second electrode, and a contact section that is attached to a front end section of the substrate in the longitudinal direction thereof or in contact with the front end section of the substrate in the longitudinal direction thereof and comes into contact with a driven body, wherein the longitudinal direction of the substrate roughly coincides with a direction in which Young's modulus is minimized in a plane of the substrate.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: May 5, 2020
    Assignee: Seiko Epson Corporation
    Inventor: Tomoaki Takahashi
  • Patent number: 10627617
    Abstract: A micromechanical constituent includes an actuator designed to impart to a displaceable element a first displacement motion around a first rotation axis and a second displacement motion around a second rotation axis oriented tiltedly with respect to the first rotation axis, the actuator including a permanent magnet on a first spring element and a one second permanent magnet on a second spring element, where the first permanent magnet is excitable to perform a first translational motion tiltedly with respect to the first rotation axis and tiltedly with respect to the second rotation axis, and the second permanent magnet is excitable to perform a second translational motion directed oppositely to the first translational motion, causing the second displacement motion of the displaceable element around the second rotation axis.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: April 21, 2020
    Assignee: Robert Bosch GmbH
    Inventors: Frank Schatz, Joerg Muchow, Mirko Hattass, Stefan Pinter, Thorsten Balslink
  • Patent number: 10629800
    Abstract: Power generators that incorporate porous electric generation layers composed of mechanoradical-forming polymers are provided. Also provided are methods for using the generators to convert mechanical energy into and electrical signal to power electronic devices. The porous electric generation material includes an organic polymer that forms free radicals when covalent bonds are homolytically ruptured upon the application of a compressive force to the porous structure.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: April 21, 2020
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Shaoqin Gong, Qifeng Zheng, Zhenqiang Ma, Yanfeng Tang
  • Patent number: 10625086
    Abstract: Apparatus and methods are provided for the generation of electrical power from acousto-mechanical vibrations originating from the vocal folds of the human body. The apparatus and methods can include one or more beams comprising a piezoelectric material, such as lead zirconate titanate (PZT), coupled to a power circuitry. Each of the one or more beams can also have a predetermined resonance frequency that is within the dominant frequency range of the human voice. The power circuitry can be adapted to receive the electrical charge received by the one or more piezoelectric beams and to convert the electrical charge into an electric current. The power circuitry can also be coupled to a battery for the storage of the converted energy, which in turn can provide power to implantable medical electronic devices (e.g., neurostimulators or cochlear implants) and/or wearable electronics.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: April 21, 2020
    Assignee: CALIFORNIA INSTITUTE OF TECHNOLOGY
    Inventors: Hyuck Choo, Hyun Jun Cho
  • Patent number: 10618079
    Abstract: An apparatus may include one or more segmented piezoelectric micromechanical ultrasonic transducer (PMUT) elements. Each segmented PMUT element may include a substrate, an anchor structure disposed on the substrate and a membrane disposed proximate the anchor structure. The membrane may include a piezoelectric layer stack and a mechanical layer. The anchor structure may include boundary portions that divide the segmented PMUT element into segments. Each segment may have a corresponding segment cavity. The boundary portions may correspond to nodal lines of the entire membrane. The membrane may include a membrane segment disposed proximate each segment cavity. The membrane may be configured to undergo one or both of flexural motion and vibration when the segmented PMUT element receives or transmits signals.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: April 14, 2020
    Assignee: QUALCOMM Incorporated
    Inventors: Donald William Kidwell, Jr., Ravindra Vaman Shenoy, Jon Bradley Lasiter
  • Patent number: 10622818
    Abstract: The invention relates to a charger, comprising an AC plug and a wire terminals, said AC plug being connected to a high voltage AC and supplying power to the device through a terminal, wherein said terminal is provided with a two-phase AC electrical wiring probe, a DC electrical connection probe and a data line probe; said AC wire probe is connected with a null wire or a live wire through a relay; said DC wire probe is connected with AC through a transformer; said terminal is further provided with a controller; said controller is connected with the sensor to control the connection and disconnection of the relay; the terminal of the electrical equipment is provided with the corresponding probe hole; AC is supplied for equipment while DC is for the internal control components; data line is used for the data communication transmission between electric equipment and the terminal.
    Type: Grant
    Filed: May 27, 2017
    Date of Patent: April 14, 2020
    Inventor: Hongping You
  • Patent number: 10615327
    Abstract: A monolithic ceramic electronic component includes a ceramic body including a stack of ceramic layers. Inner electrodes are disposed within the ceramic body and include exposed portions at the end surfaces of the ceramic body. A pair of outer electrodes is arranged on the end surfaces of the ceramic body so as to extend from the end surfaces to the main surfaces and side surfaces of the ceramic body. Each of the outer electrodes includes a lower electrode layer provided on the ceramic body, an intermediate electrode layer located on the lower electrode layer and defined by a plated Ni layer, and an upper electrode layer located on the intermediate electrode layer and defined by a plated Pd layer. A thickness of the intermediate electrode layer on the main surfaces and the side surfaces of the ceramic body is larger than a thickness of the intermediate electrode layer on the end surfaces of the ceramic body.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: April 7, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Seiji Katsuta, Yasuaki Kainuma, Tatsuya Nagaoka, Akihiro Motoki, Satoshi Kodama
  • Patent number: 10605903
    Abstract: Piezoelectric Micromachined Ultrasound Transducer (pMUT) arrays for ultrasonic imaging, and related apparatuses, systems, and methods are disclosed. In one embodiment, an ultrasonic imaging assembly comprises a substrate and a plurality of array elements arranged on the substrate in an array. Each array element comprises at least one pMUT disposed on the substrate each having a geometry configured to accept a predetermined fundamental mode vibration. The plurality of array elements are configured to transmit and receive at least one ultrasound beam based on the predetermined fundamental mode vibration. By sizing the pMUTs to correspond to a desired fundamental mode vibration, the pMUT array has improved sensitivity, and can be produced relatively cheaply compared to conventional dicing methods.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: March 31, 2020
    Assignee: Duke University
    Inventors: Olaf T. von Ramm, John B. Castellucci
  • Patent number: 10573459
    Abstract: A multilayer ceramic electronic component includes a first metal terminal including a first terminal joining portion connected to a first end surface, first and second extending portions extending from both ends of the first terminal joining portion toward a mounting surface, and first and second mounting portions connected respectively to the first and second extending portions in a length direction connecting the end surfaces to each other. A second metal terminal includes a second terminal joining portion connected to the second end surface, a third extending portion extending from the second terminal joining portion toward the mounting surface, and a third mounting portion connected to the third extending portion and extending in a length direction connecting the end surfaces to each other. The first and second mounting portions include first, second, and third protrusion bending portions protruding toward the mounting surface.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: February 25, 2020
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Teppei Akiyoshi
  • Patent number: 10574204
    Abstract: Systems and methods for growing hexagonal crystal structure piezoelectric material with a c-axis that is tilted (e.g., 25 to 50 degrees) relative to normal of a face of a substrate are provided. A deposition system includes a linear sputtering apparatus, a translatable multi-aperture collimator, and a translatable substrate table arranged to hold multiple substrates, with the substrate table and/or the collimator being electrically biased to a nonzero potential. An enclosure includes first and second deposition stations each including a linear sputtering apparatus, a collimator, and a deposition aperture.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: February 25, 2020
    Assignee: QORVO BIOTECHNOLOGIES, LLC
    Inventors: Kevin McCarron, John Belsick
  • Patent number: 10574184
    Abstract: A stacked-die oscillator package includes an oscillator circuit die having inner bond pads, and outer bond pads, and a bulk acoustic wave (BAW) resonator die having a piezoelectric transducer with a first and second BAW bond pad on a same side coupled to a top and bottom electrode layer across a piezoelectric layer. A first metal bump is on the first BAW bond pad and a second metal bump is on the second BAW bond pad flip chip bonded to the inner bond pads of the oscillator circuit die. A polymer material is in a portion of a gap between the BAW and oscillator circuit die.
    Type: Grant
    Filed: May 1, 2018
    Date of Patent: February 25, 2020
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Ricky A Jackson, Kurt Peter Wachtler
  • Patent number: 10573482
    Abstract: A vacuum transistor includes a substrate and a first terminal formed on the substrate. A piezoelectric element has a second terminal formed on the piezoelectric element, wherein the piezoelectric element is provided over the first terminal to provide a gap between the first terminal and the second terminal. The gap is adjusted in accordance with an electrical field on the piezoelectric element.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: February 25, 2020
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Qing Cao, Kangguo Cheng, Zhengwen Li, Fei Liu
  • Patent number: 10567884
    Abstract: An electroacoustic transduction film including a polymer composite piezoelectric body in which piezoelectric body particles are dispersed in a viscoelastic matrix formed of a polymer material having viscoelasticity at a normal temperature, and thin film electrodes respectively laminated on both surfaces of the polymer composite piezoelectric body is included, and two or more of the electroacoustic transduction films are laminated, and a gap between the adjacent electroacoustic transduction films is less than or equal to 3 cm.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: February 18, 2020
    Assignee: FUJIFILM Corporation
    Inventor: Tetsu Miyoshi
  • Patent number: 10541666
    Abstract: A resonant member of a MEMS resonator oscillates in a mechanical resonance mode that produces non-uniform regional stresses such that a first level of mechanical stress in a first region of the resonant member is higher than a second level of mechanical stress in a second region of the resonant member. A plurality of openings within a surface of the resonant member are disposed more densely within the first region than the second region and at least partly filled with a compensating material that reduces temperature dependence of the resonant frequency corresponding to the mechanical resonance mode.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: January 21, 2020
    Assignee: SiTime Corporation
    Inventors: Paul M. Hagelin, Charles I. Grosjean
  • Patent number: 10531704
    Abstract: A rain boot and uniform footwear with an intelligent temperature-controlling air extractor and water-proofing and air-venting functions, includes: a boot upper layer (10), a middle cushion layer (11) and a boot lower layer (12), wherein a miniature air extractor (13) is provided at a position below an instep of the boot bottom layer (12), a magnetic levitation power switch (14), a temperature sensor (15) and a control main board (16) are also provided in the boot bottom layer (12), the temperature sensor (15) being electrically connected to an input end of the control main board (16) and transmitting a temperature sensing signal of the foot to the control main board (16), and an output end of the control main board (16) being electrically connected to the miniature air extractor (13) via the magnetic levitation power switch (14).
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: January 14, 2020
    Assignee: SAMBO GROUP LIMITED
    Inventor: WaiYip Ko
  • Patent number: 10536780
    Abstract: A piezoelectric transducer including a substrate, a piezoelectric layer and a stiffening structure is provided. The substrate has a chamber. The piezoelectric layer has a displacement zone, a plurality of sensing zones, a plurality of gaps, a plurality of top electrodes, and a plurality of bottom electrodes. The displacement zone is located over the chamber. The sensing zones are surroundingly connected to an outer edge of the displacement zone and are located over the chamber. The gaps are each formed between any adjacent two of the plurality of sensing zones, and each of the gaps communicates with the chamber. The top electrodes are each disposed on a top surface of each of the sensing zones. The bottom electrodes are each disposed on a bottom surface of each of the sensing zones. The stiffening structure is disposed on a bottom of the displacement zone.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: January 14, 2020
    Assignee: Merry Electronics(Shenzhen) Co., Ltd.
    Inventors: Jen-Yi Chen, Chao-Sen Chang, Kai-Yu Jiang, Jui-Chin Peng
  • Patent number: 10535469
    Abstract: A ceramic electronic component includes a body including a dielectric layer and first and second internal electrodes disposed to oppose each other with the dielectric layer interposed therebetween, first and second external electrodes each including a connection portion disposed on a side surface of the body and a band portion extending from the connection portion to portions of upper/lower and front/rear surfaces of the body, first and second resin layers each disposed between the band portion and the body and extending from an end of the band portion towards each side surface by a predetermined length, in which the predetermined length is within a range of 3 ?m to 200 ?m.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: January 14, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Eui Hyun Jo, Hyun Hee Gu, Jang Yeol Lee, Jong Ho Lee
  • Patent number: 10533971
    Abstract: A biosensor, including: a first cover member comprising an element-accommodating recess in an upper face thereof; a detection element using a surface acoustic wave, the detection element including an element substrate accommodated in the element-accommodating recess, and at least one detection unit located on an upper face of the element substrate configured to perform detection of an analyte; and a second cover member joined to the first cover member and covering the detection element, and including an inflow port from which the analyte flows in and a groove which extends from the inflow port to at least above the at least one detection unit and constitutes a capillary.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: January 14, 2020
    Assignee: KYOCERA CORPORATION
    Inventors: Atsuomi Fukuura, Toru Fukano, Yuji Kishida, Hiroyasu Tanaka, Hideharu Kurioka
  • Patent number: 10529910
    Abstract: A piezoelectric device includes a piezoelectric vibrating piece, an excitation electrode, an extraction electrode, a container, a pad, a conductive member, and a heat conductive metal film. The excitation electrode is disposed on a front surface and a back surface of the piezoelectric vibrating piece. The extraction electrode is extracted from the excitation electrode. The container houses the piezoelectric vibrating piece. The pad is disposed in the container, and the pad is connected to the piezoelectric vibrating piece. The conductive member connects the pad to the extraction electrode. The heat conductive metal film is disposed at least on a surface of a pad side of the piezoelectric vibrating piece, the heat conductive metal film is extracted from the extraction electrode without contacting the excitation electrode.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: January 7, 2020
    Assignee: NIHON DEMPA KOGYO CO., LTD.
    Inventors: Yoshiharu Sato, Hirokazu Iwata
  • Patent number: 10530299
    Abstract: A resonator element includes an SC-cut quartz crystal substrate having a thickness t, and an excitation electrode disposed on a principal surface of the quartz crystal substrate, the principal surface being square or rectangular in shape, a side of which has a length L, 28?L/t?60 is satisfied.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: January 7, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Takayuki Kikuchi
  • Patent number: 10522736
    Abstract: Thermally stable piezoelectric polymer foams (ferroelectrets) with high piezoelectric activity for sensing and actuation. The invention further includes a method of fabricating such foams in an environmentally friendly manner.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: December 31, 2019
    Assignee: The Florida State University Research Foundation, Inc.
    Inventors: Changchun Zeng, Yan Li
  • Patent number: 10522290
    Abstract: A multilayer ceramic capacitor a multilayer body including ceramic layers and principal surfaces opposing each other, side surfaces opposing each other, and end surfaces opposing each other, the principal surface defining and functioning as a mounting surface; an inner electrode located within the multilayer body and partially extended to the principal surface; an outer electrode located on the principal surface and connected to the inner electrode. The outer electrode includes outer electrode side surface portions located also on portions of the side surfaces. When a length of the outer electrode side surface portions in a direction connecting the principal surfaces is indicated by A, and a length of the multilayer body in the direction connecting the principal surfaces is indicated by B, 0.063?A/B?1.000 is satisfied.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: December 31, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Yutaka Ota
  • Patent number: 10505100
    Abstract: A composite material (10) with electrostrictive properties for a mechanical energy recovery device (100) where said composite material comprises a deformable portion (12) in insulating elastomeric polymer material and a filler material (14) homogeneously dispersed in the polymer matrix of said deformable (12) portion, said material or filler (14) being an insulating ceramic material in the form of particles. The invention also concerns said device (100) for the recovery of mechanical energy (100).
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: December 10, 2019
    Assignee: ATOM S.P.A.
    Inventors: Piercarlo Mustarelli, Fabio Invernizzi, Maddalena Patrini, Sergio Dulio
  • Patent number: 10481692
    Abstract: A method and apparatus of actuator mechanisms for a multi-touch tactile touch panel are disclosed. The tactile touch panel includes an electrical insulated layer and a tactile layer. The top surface of the electrical insulated layer is capable of receiving an input from a user. The tactile layer includes a grid or an array of haptic cells. The top surface of the haptic layer is situated adjacent to the bottom surface of the electrical insulated layer, while the bottom surface of the haptic layer is situated adjacent to a display. Each haptic cell further includes at least one piezoelectric material, Micro-Electro-Mechanical Systems (“MEMS”) element, thermal fluid pocket, MEMS pump, resonant device, variable porosity membrane, laminar flow modulation, or the like. Each haptic cell is configured to provide a haptic effect independent of other haptic cells in the tactile layer.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: November 19, 2019
    Assignee: IMMERSION CORPORATION
    Inventors: Christopher J. Ullrich, Ryan Steger, Daniel H. Gomez
  • Patent number: 10472250
    Abstract: A piezoelectric layer made of potassium sodium niobate which is a perovskite type compound represented by the formula ABO3, wherein, in the Raman spectroscopy measurement of the piezoelectric layer which is performed while the piezoelectric layer is rotated in the in-plane direction, the measured intensity of the lattice vibration region of the perovskite type compound in the Raman spectrum obtained in polarized Raman spectroscopy measurement (yx) has a periodicity of approximately 90°, wherein, the polarized Raman spectroscopy measurement (yx) is performed while the piezoelectric layer is rotated in the in-plane direction and Raman scattering light is polarized in a direction perpendicular to that of the incident light.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: November 12, 2019
    Assignee: TDK CORPORATION
    Inventors: Masahiro Oishi, Atsuo Matsutani, Ryu Ohta
  • Patent number: 10471190
    Abstract: A treatment system for debriding a treatment area of a tissue site and applying negative pressure is disclosed. In some embodiments, the treatment system may include an ultrasonic bubble generator fluidly coupled to a negative-pressure source, fluid source, and a dressing. Fluid may be drawn from the fluid source to the ultrasonic bubble generator, whereby micro-bubbles and ultrasonic waves may be generated in the fluid before the fluid is instilled to the dressing.
    Type: Grant
    Filed: May 5, 2016
    Date of Patent: November 12, 2019
    Assignee: KCI Licensing, Inc.
    Inventors: Christopher Brian Locke, Timothy Mark Robinson
  • Patent number: 10431730
    Abstract: A dielectric elastomer driving mechanism includes a driver, a follower, and a power transmitter. The driver includes a dielectric elastomer driving element made up of a dielectric elastomer layer and two electrode layers sandwiching the dielectric elastomer layer. The driver also includes a tension maintaining element maintaining, in a no-voltage state, the dielectric elastomer driving element in a state in which tension occurs, and includes an output portion capable of moving along with the expanding or contracting of the dielectric elastomer driving element. The follower includes a following element actuating in accordance with a driving force inputted. The power transmitter is connected to the output portion of the driver for transmitting a driving force of the driver to the follower.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: October 1, 2019
    Inventors: Seiki Chiba, Mikio Waki
  • Patent number: 10361357
    Abstract: Disclosed is a piezoelectric oxide single crystal substrate used in a surface acoustic wave device and the like which undergoes scarce warpage and is not easy to break or get scratched and has good a temperature characteristic. A piezoelectric oxide single crystal substrate has a concentration profile such that the Li concentration differs between the substrate surface and a middle part of the substrate; in particular, the concentration profile is such that, in the direction of the thickness of the substrate, the closer the measuring point is to the substrate surface, the higher becomes the Li concentration, and the closer the measuring point is to the thickness-wisely middle part of the substrate, the lower becomes the Li concentration.
    Type: Grant
    Filed: April 30, 2015
    Date of Patent: July 23, 2019
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Tanno Masayuki, Abe Jun, Kuwabara Yoshinori
  • Patent number: 10354798
    Abstract: A multilayer ceramic capacitor includes: a ceramic body having first and second surfaces opposing each other and third and fourth surfaces connecting the first and second surfaces to each other; a plurality of internal electrodes disposed in the ceramic body, exposed to the first and second surfaces, and each having one end exposed to the third or fourth surface; and first and second side margin portions disposed on the first and second surfaces and covering exposed surfaces of the internal electrodes. A dielectric composition contained in the first and second side margin portions is different from a dielectric composition contained in the ceramic body, the first and second side margin portions contain a barium titanate-based base material powder and magnesium (Mg), manganese (Mn), and aluminum (Al) as accessory ingredients, and a content ratio of manganese (Mn) to magnesium (Mg), manganese (Mn), and aluminum (Al) satisfies 0.316?Mn/(Mn+Mg+Al)?0.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: July 16, 2019
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Sung Park, Jong Han Kim, Jin Seong Kim, Jeong Yun Park, Jae Yeol Choi, Sea Han Na Doo
  • Patent number: 10347426
    Abstract: An external electrode includes an underlying electrode layer on an end surface of a ceramic body and connected to an internal electrode, an external electrode layer located outside the underlying electrode layer, and an intermediate electrode layer including at least a portion between the underlying electrode layer and the external electrode layer. The intermediate electrode layer includes a conductive resin, and the underlying electrode layer and the external electrode layer include a material lower in electrical resistivity than the conductive resin. The intermediate electrode layer entirely or substantially entirely covers the end surfaces and extends from the end surfaces to portions, respectively, of one main surface, and the underlying electrode layer is partially exposed from the intermediate electrode layer to include an exposed surface and is in surface-contact with the external electrode layer at the exposed surface.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: July 9, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Kazunori Egashira, Kazunori Kunimoto, Seiji Katsuta, Yosuke Terashita, Takayoshi Yamamoto
  • Patent number: 10333490
    Abstract: A frequency adjustment method is provided in which a residual substance is unlikely to be generated, the frequency can be adjusted with high precision, and a decrease in strength is made small. A frequency adjustment method for a piezoelectric vibrator includes preparing the piezoelectric vibrator having a base portion, a vibration arm that includes a connection portion connected to the base portion as well as vibration arm main bodies extending from the connection portion and that is made of a single crystal, a lower electrode formed on the vibration arm, a piezoelectric thin film formed on the lower electrode, and an upper electrode formed on the piezoelectric thin film; and forming an alteration portion by irradiating the connection portion with a laser beam.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: June 25, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Toshihiko Unami, Eitaro Kameda
  • Patent number: 10327660
    Abstract: An electrode assembly for making electrocardiogram measurements includes a substrate and at least two electrodes. The substrate includes at least one electronic item sealed therewithin and is laminated or otherwise constructed so as to facilitate removal of the electronic item from the substrate prior to disposal. The electronic item may therefore be re-used in the manufacture of new electrode assemblies.
    Type: Grant
    Filed: February 3, 2012
    Date of Patent: June 25, 2019
    Assignee: Isansys Lifecare Limited
    Inventors: Angela Gallego, Rebecca Weir, Keith Errey
  • Patent number: 10314549
    Abstract: Systems and methods for home monitoring and detection of febrile neutropenia in a patient are provided. The system includes a photoplethysmographic sensor for sensing photoplethysmographic signals of the patient, and one or more blood borne parameter sensors for sensing parameters in the patient's blood. A febrile neutropenia monitoring application receives information sensed by the photoplethysmography sensor and the one or more blood borne parameter sensors and determines, based on the received information, the presence or deterioration of febrile neutropenia.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: June 11, 2019
    Assignee: ALACRITY PATIENT SERVICES, INC.
    Inventor: David Berz
  • Patent number: 10304639
    Abstract: A wireless switch includes a button member, a power generation module, an RF module, and a notification unit. The button member is mounted in a housing, and is configured to move. The power generation module is configured to generate power using energy produced by the movement of the button member. The RF module is connected to the power generation module, and is configured to transmit a switch signal using power generated by the power generation module. The notification unit is configured to operate using power generated by the power generation module. The RF module controls the notification unit in one or more notification states according to a strength or details of a reception state signal corresponding to the transmitted switch signal.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: May 28, 2019
    Assignee: OMRON Corporation
    Inventors: Katsuya Marumo, Ken Tamura, Kazuyuki Tsukimori, Hiroshi Shiino, Yasushi Kawashima, Hajime Umeki, Junji Obata, Keisuke Yano
  • Patent number: 10304627
    Abstract: In an embodiment, a multilayer ceramic capacitor 10 is such that: the two first base conductor films 11c, and the supplementary dielectric layer 11d, on each of both height-direction faces of the capacitive element 11?, are connected to each other based on mutual bonding of the dielectric particles contained in each of them; the two first base conductor films 11c on each of both height-direction faces of the capacitive element 11?, and the capacitive element 11?, are connected to each other based on mutual bonding of the dielectric particles contained in each of them; and the supplementary dielectric layer 11d on each of both height-direction faces of the capacitive element 11?, are the capacitive element 11?, are connected to each other based on mutual bonding of the dielectric particles contained in each of them.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: May 28, 2019
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: So Sato, Yoshiaki Iijima, Takashi Sasaki
  • Patent number: 10297742
    Abstract: A piezoelectric element includes a first and a second electrode, a piezoelectric layer between the first electrode and the second electrode, and an orientation control layer between the first electrode and the piezoelectric layer. The orientation control layer contains perovskite complex oxide containing potassium, sodium, calcium, and niobium and preferentially oriented in the (100) plane.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: May 21, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Koji Sumi, Tomohiro Sakai, Tetsuya Isshiki, Toshiaki Takahashi, Kazuya Kitada
  • Patent number: 10267755
    Abstract: A method for inspecting a crystal unit, the method includes: generating a sub-vibration in a crystal blank of the crystal unit by applying an input signal to a plurality of electrodes formed on the crystal blank; obtaining frequency characteristics of impedance between the plurality of electrodes from an output signal of the plurality of electrodes; and comparing the frequency characteristics obtained with reference frequency characteristics indicating quality of the crystal unit.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: April 23, 2019
    Assignee: FUJITSU LIMITED
    Inventors: Masakazu Kishi, Hajime Kubota, Masayuki Itoh
  • Patent number: 10252525
    Abstract: An apparatus for a lead-free piezoelectric ink-jet printhead is disclosed. Piezoelectric printheads, while more expensive are favored because they use a wider variety of inks. The piezoelectric printhead includes a diaphragm, a plurality of piezoelectric actuators comprising a lead-free piezoelectric material, at least one nozzle, at least one ink chamber, a top electrode, and a drive circuit. The deflection of the diaphragm on the body chamber contributes to a pressure pulse that is used to eject a drop of liquid from the nozzle. According to an exemplary embodiment, a lead-free piezoelectric printhead operated at smaller thicknesses and significantly higher electric fields is disclosed, along with methods of making such printheads.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: April 9, 2019
    Assignees: Xerox Corporation, Brown University
    Inventors: Peter J. Nystrom, Gary D. Redding, Angus Ian Kingon, Seunghyun Kim, Nicholas Mostovych
  • Patent number: 10242821
    Abstract: Disclosed herein are techniques and systems for providing simulated, haptic feedback that is local to physical, non-actuating keys of a keyboard. A keyboard includes a plurality of non-actuating keys defined in a cover portion of the keyboard, a plurality of force-producing mechanisms coupled to a substrate underneath and adjacent the cover portion. The force-producing mechanisms may be positioned on suspended portions of the substrate that are mechanically isolated and arranged on the substrate to substantially correspond to a layout of the plurality of non-actuating keys. The force-producing mechanisms may be individually actuated to deflect the suspended portions of the substrate underneath the cover portion to create a tactile sensation for a user's finger that is local to a particular key. In some embodiments, the force-producing mechanisms are piezoelectric actuators.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: March 26, 2019
    Assignee: MICROSOFT TECHNOLOGY LICENSING, LLC
    Inventors: Hong Z. Tan, Zhaoyuan Ma, Chen Zhao
  • Patent number: 10222283
    Abstract: Various systems and methods for providing automated feedback to a user using a shoe insole assembly are disclosed. In one example embodiment, a shoe insole assembly shaped to be positioned within a footwear and shaped to conform to the contour of the bottom of a human foot when placed within the footwear is provided. The shoe insole assembly comprises a pressure-sensing circuit for determining a pressure profile exerted on the shoe insole assembly by the human foot and for generating data signals corresponding to the pressure profile, a control circuit for processing the data signals received from the pressure-sensing circuit, and housing for encapsulating the pressure-sensing circuit and the control circuit. The processed signals are used to generate output signals that provide feedback to the user based on the pressure exerted on the shoe insole assembly. The shoe insole assembly of the various embodiments illustrated herein is an integral structure.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: March 5, 2019
    Assignee: Smart Skin Technologies Inc.
    Inventors: Kumaran Thillainadarajah, Adam Joseph MacDonald, Roua M. Razak
  • Patent number: 10215164
    Abstract: A device for harvesting energy from fabric or clothing includes a piece of fabric or clothing. One or more piezoelectric harvesters are coupled with the piece of fabric or clothing. The piezoelectric harvesters are capable of producing electric energy in response to the movement of the piece of fabric or clothing. Additionally, the device includes one or more energy storage mediums coupled to the one or more piezoelectric harvesters. The energy storage mediums are capable of storing the energy produced by the one or more piezoelectric harvesters. Further, the method for harvesting energy from fabric or clothing involves moving a piece of fabric such that one or more piezoelectric harvesters generate electricity. The method for harvesting energy from fabric or clothing also involves storing the generated electricity in one or more energy storage mediums.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: February 26, 2019
    Assignee: Intel Corporation
    Inventors: Nadine L. Dabby, Feras Eid, Adel A. Elsherbini, Braxton Lathrop, Aleksandar Aleksov, Sasha Oster
  • Patent number: 10193051
    Abstract: An acoustic wave device includes: an IDT provided on a piezoelectric substrate; and gratings provided on both sides of the IDT, wherein: a slowness surface of an acoustic wave has a concave shape; a duty ratio of electrode fingers of the gratings is larger than that of the electrode fingers of the IDT, or a thickness of the electrode fingers of the gratings is larger than that of the electrode fingers of the IDT, or a thickness of an added film provided on the electrode fingers of the gratings is larger than that of an added film provided on the electrode fingers of the IDT; a pitch of the electrode fingers of the gratings is smaller than that of the electrode fingers of the IDT; and a resonant frequency of the gratings is substantially the same as that of the IDT.
    Type: Grant
    Filed: May 5, 2015
    Date of Patent: January 29, 2019
    Assignee: TAIYO YUDEN CO., LTD.
    Inventor: Jun Tsutsumi