Voltage, Spark Or Current Generator Patents (Class 310/339)
  • Patent number: 11358860
    Abstract: In one or more embodiments, an apparatus generally comprises a microelectromechanical system (MEMS) module comprising a plurality of air movement cells and a power unit operable to control the plurality of air movement cells, and a housing configured for slidably receiving the MEMS module and positioning the MEMS module adjacent to a heat generating component of a network device. The MEMS module is operable to dissipate heat from the heat generating component and is configured for online installation and removal during operation of the heat generating component.
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: June 14, 2022
    Assignee: CISCO TECHNOLOGY, INC.
    Inventor: Joel Richard Goergen
  • Patent number: 11347314
    Abstract: A coversheet layer of an information handling system, comprising a coversheet having a key location of a haptic keyboard and a haptic touchpad area on a C-cover for the information handling system including a magnet or ferromagnetic insert in the coversheet for alignment to a top replaceable overlay layer magnetically attachable to the coversheet, a support layer, a contact foil placed between the coversheet and support layer, a piezoelectric element placed between the contact foil and support layer to receive an applied mechanical stress at the key location or touchpad actuation location of the coversheet and generate an electric actuation signal and a controller of the information handling system operatively coupled to the contact foil to receive the electric actuation signal and send an electrical haptic response signal to the piezoelectric element to cause the piezoelectric element to generate haptic feedback.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: May 31, 2022
    Assignee: Dell Products, LP
    Inventors: Michiel Knoppert, Priyank Gajiwala, Thomas M. Hinskens
  • Patent number: 11342827
    Abstract: A four-sided-synchronous-swing dual-mode broadband power generation device, comprising a fixing frame, a piezoelectric beam swing mechanism, and electromagnetic induction power generators (7). Four groups of straight piezoelectric beams (6) and L-shaped piezoelectric beams (5) are installed in a small space, therefore, a limited working space can be fully utilized, the working area can be reduced, and the requirements for development of a microelectromechanical system can be satisfied. Each L-shaped piezoelectric beam (5) comprises a horizontal beam and a vertical beam, so that vibration in two directions can be implemented, therefore, the dynamic behavior of piezoelectric cantilevers is enriched, and the power generation efficiency of the system is improved. The straight piezoelectric beams (6) and L-shaped piezoelectric beams (5) have different lengths, so that energy of different swing frequencies can be effectively harvested, and the effective working frequency bandwidth can be broadened.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: May 24, 2022
    Assignee: TIANGONG UNIVERSITY
    Inventors: Minghui Yao, Pengfei Liu, li Ma, Wei Xia
  • Patent number: 11342781
    Abstract: The present disclosure discloses a power management circuit and a power management method for a triboelectric nanogenerator. The power management circuit includes a pulse current control switch, an intermediate energy storage element, and a target energy storage element, wherein the pulse current control switch is configured to instantaneously connect two electrode layers of the triboelectric nanogenerator to generate a transient pulse current, after movement of two relative moving components of the triboelectric nanogenerator generates static charges induced between the two electrode layers; the intermediate energy storage element is configured to store electric energy of the transient pulse current, and the target energy storage element is configured to store the electric energy output from the intermediate energy storage element.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: May 24, 2022
    Assignee: BEIJING INSTITUTE OF NANOENERGY AND NANOSYSTEMS
    Inventors: Zhonglin Wang, Gang Cheng
  • Patent number: 11317193
    Abstract: A mechanical frequency upconverter includes a body having a cavity. A low-frequency membrane is coupled to the body and arranged adjacent to the cavity. The low-frequency membrane is a permanent magnet or a permanent magnet is affixed to the low-frequency membrane. A high-frequency membrane is coupled to the body and arranged adjacent to the cavity. The high-frequency membrane includes a magnetic metal. Oscillation of the low-frequency membrane at a first frequency causes the high-frequency membrane to oscillate at a second frequency, which is higher than the first frequency.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: April 26, 2022
    Assignee: KING ABDULLAH UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Jürgen Kosel, Abdullah Saud Almansouri
  • Patent number: 11309736
    Abstract: Wireless power transmission (WPT) systems are provided. For example, the WPT system can use one or more power transmitting coils and a receiver for electromagnetically coupled wireless power transfer. The electrodynamic receiver can be in the form of an electrodynamic transducer where a magnet is allowed to oscillate near a receiving coil to induce a voltage in the receiving coil, a piezoelectric transducer where the magnet causes a vibrating structure with a piezoelectric layer to move, an electrostatic transducer where movement of the magnet causes a capacitor plate to move, or a combination thereof. An alternating magnetic field from the transmitting coil(s) excites the magnet in the receiver into mechanical resonance. The vibrating magnet then functions similar to an energy harvester to induce voltage/current on an internal coil, piezoelectric material, or variable capacitor.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: April 19, 2022
    Assignee: University of Florida Research Foundation, Inc.
    Inventors: David Patrick Arnold, Shuo Cheng, Vinod Reddy Challa
  • Patent number: 11217392
    Abstract: A circuit element. In some embodiments, the circuit element includes a first terminal, a second terminal, and a layered structure. The layered structure may include a first conductive layer connected to the first terminal, a first piezoelectric layer on the first conductive layer, a second piezoelectric layer on the first piezoelectric layer, and a second conductive layer connected to the second terminal. The first piezoelectric layer may have a first piezoelectric tensor and a first permittivity tensor, and the second piezoelectric layer may have a second piezoelectric tensor and a second permittivity tensor, one or both of the second piezoelectric tensor and a second permittivity tensor differing, respectively, from the first piezoelectric tensor and the first permittivity tensor.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: January 4, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ryan M. Hatcher, Titash Rakshit, Jorge A. Kittl, Joon Goo Hong, Dharmendar Palle
  • Patent number: 11218091
    Abstract: Provided are: a power generator including a dielectric elastomer element with an elastomer layer and electrodes sandwiching the layer; an intermediate power storage including a specific number of capacitors to receive output power from the power generator; a storage unit to receive output power from the intermediate power storage; and a controller for setting control by switching a mode between an input mode and an output mode. In the input mode, some number of the capacitors of the intermediate power storage are connected to the power generator such that a series number is an input series number of less than or equal to the specific number. In the output mode, some number of the capacitors are connected to the storage unit such that the series number is an output series number which is smaller than the input series number.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: January 4, 2022
    Assignees: ZEON CORPORATION
    Inventors: Seiki Chiba, Mikio Waki, Mitsuaki Ito, Makoto Sawada
  • Patent number: 11183953
    Abstract: A piezoelectric transducer includes an anchorage and a beam of semiconductor material extending in cantilever fashion from the anchorage in a main direction parallel to a first axis and having a face parallel to a first plane defined by the first axis and by a second axis perpendicular to the first axis. A piezoelectric layer is on the face of the beam. A cross-section of the beam is perpendicular to the first axis and is asymmetrical and shaped so the beam deformations out of the first plane in response to forces applied to the anchorage and oriented parallel to the first axis.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: November 23, 2021
    Assignee: STMicroelectronics S.r.l.
    Inventors: Francesco Procopio, Attilio Frangi
  • Patent number: 11171578
    Abstract: A power generation device includes a rotatable member arranged to rotate about a rotating axis in response to an application of force; and at least one power generation unit including at least one deformable member, the deformable member arranged to deform for generating electrical energy in response to the rotation of the rotatable member. The present invention also discloses a power generation device having an oscillatable member and an electric device incorporating the power generation device.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: November 9, 2021
    Assignee: City University of Hong Kong
    Inventor: Zhengbao Yang
  • Patent number: 11171281
    Abstract: Methods, systems, and devices are disclosed for implementing a stretchable nanoparticle-polymer composite foams that exhibit piezoelectric properties. In one aspect, a nanoparticle-polymer composite structure includes a curable liquid polymer; piezoelectric nanoparticles; and graphitic carbons.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: November 9, 2021
    Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Donald J. Sirbuly, William R. McCall, Kanguk Kim
  • Patent number: 11169038
    Abstract: In one embodiment, a system for determining strain within a material includes a magnetostrictive sensor configured to be embedded within the material, a sensing unit configured to apply an excitation magnetic field to the material and the embedded sensor and to receive a response magnetic field that has passed through the material and the embedded sensor, wherein the sensing unit does not contact the material, and a device configured to determine a difference between the excitation magnetic field and the response magnetic field and to determine the strain within the material based upon that difference.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: November 9, 2021
    Assignee: Board of Regents, The University of Texas
    Inventors: Wen Shen, Kenneth Reifsnider, Md Rassel Raihan, Relebohile Qhobosheane
  • Patent number: 11135924
    Abstract: A traffic regulation system and method which combines energy harvesting from the movement of a plurality of vehicles on a roadway with wireless directional power beam transmission using the harvested energy to encourage compliance with traffic regulations. Electric power is generated from the movement of the moving vehicles by using a wind turbine to harvest wind energy from the movement of vehicles or by piezoelectric plates which harvest compression energy from the weight of the vehicle tires on the road surface. The electric power is transmitted to electric or hybrid vehicles which comply with the traffic regulations. The traffic regulations are one of driving at a posted speed and driving at a safe following distance. A control system adjusts the traffic regulation based on measurements received from a plurality of detectors.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: October 5, 2021
    Assignee: King Abdulaziz University
    Inventors: Etab Alghamdi, Hussain Bassi
  • Patent number: 11095234
    Abstract: The present disclosure relates to novel triboelectric nanogenerators with flexible polymeric dielectric layer comprising liquid metal particles, and method of making and using the novel triboelectric nanogenerators.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: August 17, 2021
    Assignee: Purdue Research Foundation
    Inventors: Wenzhuo Wu, Shengjie Gao
  • Patent number: 11052824
    Abstract: An external rear view device for a motor vehicle includes a casing which has at least one part made from a polymer, wherein the at least one part of the casing comprises piezo-electrical particles and at least one conductive element which is in electrical contact with the piezo-electrical particles and inductively coupled to a power storage unit. A motor vehicle with such a rear view device is also described.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: July 6, 2021
    Assignee: SMR Patents S.à.r.l.
    Inventors: Urszula Kosidlo, Vincent Wilson
  • Patent number: 11031885
    Abstract: An electric power generator for a projectile moving through the air is based on vibrational, rather than rotational motion. The electric power generator uses an air stream through, which the projectile is traveling typically 100-250 m/s for mortars to up to 1,500 m/s for sabot or even higher electrically fired rounds. A typical 223 rifle round after being fired has energy of over 1700 J, which is equivalent to 1700 W seconds. If a Nano computer was able to extract energy of for example 50 nanowatts during bullet flight which rarely exceeds two seconds the power needed during the flight would be only a few parts per billion of the bullets energy. Even allowing for very inefficient extraction of power, the necessary power to operate on onboard electronic devices such as computers and sensors can be extracted from the airstream through which the projectile travels.
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: June 8, 2021
    Inventor: Dmitriy Yavid
  • Patent number: 11025251
    Abstract: According to the present invention there is provided a button assembly, comprising, an actuator member; a base member having a cavity defined therein which can receive a least a part of the actuator member; a flexible film which comprises piezoelectric material, wherein the piezoelectric material is preferably dipolar particles; a first electrode which is located between the piezoelectric material of the flexible film and the actuator member, and a second electrode which is located between the piezoelectric material of the flexible film and the base member, and wherein the flexible film is arranged to overlay the cavity in the base member, and to be interposed between the base member and the actuator member, such that moving at least a part of the actuator member into the cavity of the base member will cause the film to stretch thereby generating an electrical signal in the first and second electrodes.
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: June 1, 2021
    Assignee: Sateco AG
    Inventors: Ronny Kraemer, Daniel Haefliger
  • Patent number: 11021033
    Abstract: A method of on-demand energy delivery to an active suspension system comprising an actuator body, hydraulic pump, electric motor, plurality of sensors, energy storage facility, and controller is provided. The method comprises disposing an active suspension system in a vehicle between a wheel mount and a vehicle body, detecting a wheel event requiring control of the active suspension; and sourcing energy from the energy storage facility and delivering it to the electric motor in response to the wheel event.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: June 1, 2021
    Assignee: ClearMotion, Inc.
    Inventors: Zackary Martin Anderson, Shakeel Avadhany, Matthew D. Cole, Robert Driscoll, John Giarratana, Marco Giovanardi, Vladimir Gorelik, Jonathan R. Leehey, William G. Near, Patrick W. Neil, Colin Patrick O'Shea, Tyson David Sawyer, Johannes Schneider, Clive Tucker, Ross J. Wendell, Richard Anthony Zuckerman
  • Patent number: 11007886
    Abstract: A traffic regulation system and method which combines energy harvesting from the movement of a plurality of vehicles on a roadway with wireless directional power beam transmission using the harvested energy to encourage compliance with traffic regulations. Electric power is generated from the movement of the moving vehicles by using a wind turbine to harvest wind energy from the movement of vehicles or by piezoelectric plates which harvest compression energy from the weight of the vehicle tires on the road surface. The electric power is transmitted to electric or hybrid vehicles which comply with the traffic regulations. The traffic regulations are one of driving at a posted speed and driving at a safe following distance. A control system adjusts the traffic regulation based on measurements received from a plurality of detectors.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: May 18, 2021
    Assignee: King Abdulaziz University
    Inventors: Etab Alghamdi, Hussain Bassi
  • Patent number: 11005352
    Abstract: An energy harvesting device for generating electrical power from low-frequency oscillations includes a high-frequency cantilever, a plurality of low-frequency cantilevers each configured to contact the high-frequency cantilever in response to environmental vibrations having a frequency within a near-resonance frequency range associated with said low-frequency cantilever, an a generator that produces electrical power in response to contact between at least one of the plurality of low-frequency cantilevers and the high-frequency cantilever. The energy harvesting device may also include an impact mass coupled to a free end of each of the plurality of low-frequency cantilevers. Some aspects may include a common base to which the high-frequency cantilever and the plurality of low-frequency cantilevers are coupled. Other aspects may include the generator comprising one or more of an induction coil and magnet, a variable distance capacitor, or a piezo-electric material.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: May 11, 2021
    Inventors: Nuh Sadi Yuksek, Mahmoud Almasri
  • Patent number: 10996250
    Abstract: A spectrum analyzer includes: a support substrate; and a plurality of resonators that have center frequencies different from each other, one end of each of the plurality of resonators being fixed to the support substrate. The plurality of resonators are arranged so that an interval between resonators having adjacent center frequencies is secured by a certain value or greater, thus reducing coupling and increasing analysis accuracy.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: May 4, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Cheheung Kim, Sungchan Kang, Yongseop Yoon, Choongho Rhee
  • Patent number: 10994124
    Abstract: An external defibrillator apparatus (10, 74) operates to deliver electrical shocks to the heart muscles of a patient using a self-contained piezoelectric power source. The apparatus has a body (12) which includes a handle portion (26) in fixed operative connection with disposed paddle portions (14, 16). Each paddle portion includes a respective electrode (22, 24). Manual movement of a trigger (28, 78) is operative to cause circuitry (32, 82) which includes a piezoelectric crystal (34) to develop sufficient electrical potential between the electrodes to deliver the electrical shocks to the heart muscles through external contact with the patient's chest.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: May 4, 2021
    Inventor: Alvin A. Snaper
  • Patent number: 10945328
    Abstract: The invention relates to a control system for electrically controlled installations. The control system comprises at least one portable, mobile manual operator-control instrument for display of information and for input of control commands by an operator-control person. The manual operator-control instrument is provided with at least one manually actuatable safety switching element, with which safety element an illuminating device is associated. The control system comprises an illumination control device, which is designed for electrically and/or electronically controlled adaptation of a visually perceptible luminous intensity of the illuminating device.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: March 9, 2021
    Assignee: KEBA AG
    Inventors: Harald Fischer, Robert Kreundl, Bernhard Lehner, Gernot Preisinger, Manfred Schininger
  • Patent number: 10936073
    Abstract: A haptic keyboard based sound system of an information handling system comprising a coversheet to identify a plurality of key locations of a haptic keyboard and a first key having a piezoelectric element for haptic tactile feedback upon key actuation, a support layer, a contact foil placed between the coversheet and support layer, and a haptic feedback and piezo sound controller operatively coupled to the contact foil to receive the mid-frequency portion of an audio signal and the high frequency portion of the audio signal from an audio controller operably connected to the haptic feedback and piezo sound controller, and send a piezo audio signal to the piezoelectric element to cause the piezoelectric element to generate a mid-frequency and high-frequency sound audio according to the received mid-frequency portion of an audio signal and the high frequency portion of the audio signal.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: March 2, 2021
    Assignee: Dell Products, LP
    Inventors: Priyank Gajiwala, Michiel Knoppert, James H. Hallar, Thomas M. Hinskens, Frank van Valkenhoef
  • Patent number: 10933877
    Abstract: A method for managing a drive mode of a tracked vehicle, comprising the step of reading an output of a sensor and in response to the output of the sensor performing a control action to manage the drive mode of the vehicle.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: March 2, 2021
    Assignee: Camso Inc.
    Inventors: Alain Lussier, Francois Leblanc, Patrice Boily
  • Patent number: 10919612
    Abstract: An example floor panel for a flooring system in a passenger vehicle includes a top sheet, a bottom sheet, a body situated between the top sheet and the bottom sheet, and an interlocking feature that extends outward from the body for slidably engaging an adjacent floor panel. An example flooring system in a passenger vehicle includes a first set of floor panels including panels rigidly attached to a structure of the passenger vehicle, and a second set of floor panels and each floor panel of the second set of floor panels has an interlocking feature for slidably engaging an adjacent floor panel and for enabling lateral relative motion to occur and restricting vertical relative motion between panels of the second set of floor panels and a respective adjacent floor panel.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: February 16, 2021
    Assignee: The Boeing Company
    Inventors: Sean Richard Hesslewood, Howard McKenzie
  • Patent number: 10914700
    Abstract: A single cantilever gas sensor includes a silicon substrate, a supporting film, a heating resistor, a isolation film, and a detecting electrode, which are successively stacked. The gas sensor is T-shaped and has a base structure and a cantilever structure The end portion of the cantilever structure is provided with a gas sensitive material. The present invention further provides a sensor array composed of the single cantilever gas sensors and a method for manufacturing the gas sensor. The method includes (1) selecting a silicon substrate; (2) preparing a supporting film; (3) preparing a heating resistor; (4) preparing an isolation film; (5) preparing a detecting electrode; (6) releasing a membrane; (7) loading a gas sensitive material.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: February 9, 2021
    Assignee: HEFEI MICRO NANO SENSING TECHNOLOGY CO., LTD.
    Inventors: Lei Xu, Dongcheng Xie, Shufeng Peng
  • Patent number: 10916265
    Abstract: A piezoelectric actuator assembly is described. The piezoelectric actuator assembly includes a first, second and third active piezoelectric layers. The first layer includes a top surface and a bottom surface. The second layer includes a top surface and a bottom surface over the top surface of the first layer. The third layer includes a top surface and a bottom surface over the top surface of the second layer. The first and second layers can define a first effective electrode length. Similarly, the second and third layers can define a second effective electrode length configured to be longer than the first effective electrode length.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: February 9, 2021
    Assignee: Magnecomp Corporation
    Inventors: Long Zhang, Kuen Chee Ee, David Glaess, Preecha Sudachun, Ekaratch Pankaew
  • Patent number: 10897215
    Abstract: A piezoelectric transducer for energy-harvesting systems includes a substrate, a piezoelectric cantilever element, a first magnetic element, and a second magnetic element, mobile with respect to the first magnetic element. The first magnetic element is coupled to the piezoelectric cantilever element. The first magnetic element and the second magnetic element are set in such a way that, in response to relative movements between the first magnetic element and the second magnetic element through an interval of relative positions, the first magnetic element and the second magnetic element approach one another without coming into direct contact, and the interaction between the first magnetic element and the second magnetic element determines application of a force pulse on the piezoelectric cantilever element.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: January 19, 2021
    Assignee: STMicroelectronics S.r.l.
    Inventors: Francesco Procopio, Carlo Valzasina, Alberto Corigliano, Raffaele Ardito, Giacomo Gafforelli
  • Patent number: 10874232
    Abstract: A tumbler including: an outer shell; an inner shell nested with the outer shell; a base; and a light source assembly; wherein: an outer surface of inner shell includes a reflective material; the outer shell includes one or more areas that are transparent or translucent; the bottom of the outer shell connects to the base, the top of the outer shell connects to the top of the inner shell, and the inner shell tapers more than the outer shell for at least a part along the length from the top to the bottom, creating a space between the inner shell and outer shell; the light source assembly emits lights into the space and the light is reflected by the reflective material to go out of the outer shell from the one or more areas that are transparent or translucent.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: December 29, 2020
    Assignee: BRODER BROS., CO.
    Inventor: Michael Honig
  • Patent number: 10855208
    Abstract: A piezoelectric power generation device comprises a power generation element which includes a support body having a plate-like planar portion with first and second opposed main surfaces and a projecting portion projecting from a center portion of the second main surface. The first projecting portion has an outer periphery when seen in plan view along a direction perpendicular to the first main surface. A piezoelectric body is provided on the first surface and overlaps the first projecting portion when the first support body is seen in plan view along a direction perpendicular to the first main surface. A plurality of legs extend from the plate like planar portion away from the piezoelectric body. The legs are located radially outward of the periphery of the first projecting portion when the first support body is seen in plan view along a direction perpendicular to the first main surface.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: December 1, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Kohei Takahashi, Tsuguji Kanbayashi
  • Patent number: 10844694
    Abstract: A device for wirelessly monitoring well conditions includes a power including a first material attached to edges of at least one lever suspended about a central fulcrum, wherein the edges of the at least one lever are free to move about the central fulcrum, a frictionless movable object disposed inside the body of the at least one lever, wherein the frictionless movable object is free to move within the body of the at least one lever, and a second material that is fixed in position relative to the first material, wherein the first material and second material are of opposite polarities.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: November 24, 2020
    Assignee: Saudi Arabian Oil Company
    Inventors: Chinthaka Pasan Gooneratne, Bodong Li
  • Patent number: 10842218
    Abstract: It is an object of the present invention to array and utilize piezoelectric generators. It is also an object of the invention to implement properly configured piezoelectric generators into applications that can recapture expelled kinetic energy that is otherwise wasted. Particularly, piezoelectric generators, or arrays, may be, for example, placed in shoes, clothing, tires, roads, and sidewalks in order to recapture the energy expelled in everyday human activities (e.g., walking, moving, and driving).
    Type: Grant
    Filed: December 3, 2007
    Date of Patent: November 24, 2020
    Inventor: Jeffrey D. Mullen
  • Patent number: 10840829
    Abstract: A compact magnetic-based battery device that offers energy, a large number of cycles, a long storage time, and a short charging time is provided. The rechargeable battery device can include a first magnetic layer, a second magnetic layer, a dielectric layer disposed between the first magnetic layer and the second magnetic layer, and a plurality of high anisotropic magnetic nanoparticles embedded into the dielectric layer.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: November 17, 2020
    Assignee: The Florida International University Board of Trustees
    Inventors: Sakhrat Khizroev, Rakesh Guduru
  • Patent number: 10818836
    Abstract: The invention relates to a process for fabricating a piezoelectric nanogenerator, to a piezoelectric nanogenerator obtained by this process and to a device including such a piezoelectric nanogenerator connected to a capacitor, said process comprising the following steps: a) providing a membrane (100) made of polarised ?-PVDF or polarised P(VDF-TrFe) copolymer and therefore having piezoelectric properties, said membrane (100) moreover having two external major faces (11, 12) that are separated by a membrane thickness (e); b) irradiating the entirety of the thickness of said membrane (100), via at least one of its two external major faces (11, 12), with heavy ions having a fluence of between 103 ions/cm2 and 1010 ions/cm2, as a result of which a membrane (101) containing latent traces (TL) of the passage of the heavy ions through the entirety of its thickness is obtained; c) revealing the latent traces (TL) using a chemical process of length that is preset so as to preserve a defect zone (ZD) belonging to the l
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: October 27, 2020
    Assignees: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, ECOLE POLYTECHNIQUE
    Inventors: Marie-Claude Clochard, Melilli Giuseppe, Jean-Eric Wegrowe, Travis Wade, Emmanuel Balanzat, Eric Giglio
  • Patent number: 10797216
    Abstract: A piezoelectric device includes a piezoelectric vibrating piece, a container, and a lid. The piezoelectric vibrating piece is bevel processed and has a bevel surface at one end of the piezoelectric vibrating piece. Thea container holds the piezoelectric vibrating piece with the bevel surface at the one end of the piezoelectric vibrating piece. The container has a connection pad at a holding region of the container and a pillow portion at a region corresponding to the other end of the piezoelectric vibrating piece. The lid member seals the container. The connection pad is buried in the container at the holding region in a state of a flat surface with a surface of the container and in a state where the surface of the connection pad is exposed. The piezoelectric vibrating piece is spanned between the surface of the connection pad and a top surface of the pillow portion.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: October 6, 2020
    Assignee: NIHON DEMPA KOGYO CO., LTD.
    Inventor: Shuichi Mizusawa
  • Patent number: 10790438
    Abstract: Provided are a touch sensitive element and a manufacturing method thereof. The manufacturing method for the touch sensitive element according to an embodiment of the present disclosure includes forming an electroactive polymer coating layer by applying an electroactive polymer solution on a substrate; forming an electroactive layer by heating and pressurizing the electroactive polymer coating layer using a hot press roller; and forming an electrode on the electroactive layer.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: September 29, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yong-Su Ham, Taeheon Kim, YongWoo Lee, Kyungyeol Ryu, YuSeon Kho, MyungJin Lim
  • Patent number: 10760949
    Abstract: Appliances, methods, and systems (e.g., utilities) for use in analyzing received pressure waves to obtain and deduce various types of meaningful information therefrom (e.g., testing operation of an acoustic device that generates beams of acoustic energy). A pressure sensor in the disclosed system makes use of a piezoelectric layer or film (e.g., polyvinylidene fluoride (PVDF)) that has been substantially uniformly poled prior to interconnection with electrodes that are configured to send electrical signals to a controller or the like for generation of a dynamic, image (e.g., 2D) representing the received pressure waves. Among other advantages, the disclosed system leverages excellent economy of scale, can be configured in different arrangements with reduced cost, and limits the need for adapters or reverse engineering (e.g., as it can operate independently of the design of a probe or system under test.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: September 1, 2020
    Assignee: Acertara Acoustic Laboratories, LLC
    Inventors: Levi Moore, Nicholas Ellens, James Gessert
  • Patent number: 10751880
    Abstract: A first acquisition unit acquires first data on first malfunction of a robot. A second acquisition unit acquires second data on second malfunction of the robot. A first determination unit determines whether or not to store the first data in accordance with the first data. A second determination unit determines whether or not to store the second data in accordance with the second data. A memory stores the first data and the second data. A controller stores the first data in the memory at a first period when the first determination unit determines to store the first data. The controller further stores the second data in the memory at a second period longer than the first period, when the first determination unit determines not to store the first data and the second determination unit determines to store the second data.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: August 25, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yasuyoshi Honuchi, Hiroyuki Nakata, Atsumi Hashimoto, Ryosuke Yamamoto
  • Patent number: 10753967
    Abstract: An apparatus configured to measure electromagnetic radiation coupled from an image sensor integrated circuit (IC) to a nearby cell phone antenna has an image sensor PCB with the image sensor IC on a first side and image sensor decoupling capacitors disposed on a second side, the image sensor PCB disposed within a shielding box. The apparatus also has an image processor PCB with an image processor IC on a first side and at least one image processor decoupling capacitors, the image processor IC electrically coupled to the image sensor IC. The image processor IC is located outside the shielding box, and the at least one image processor decoupling capacitor is within the shielding box. In embodiments, the decoupling capacitors are shielded with separate, additional, metal covers.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: August 25, 2020
    Assignee: OmniVision Technologies, Inc.
    Inventors: Qianyi Zhao, Xiaojun Zhang, Pan-Xun Jiang, Bao-Hua Xu, Heng Fan
  • Patent number: 10727394
    Abstract: A system that may be used for energy harvesting includes a flexible beam secured between a first support and a second support. The supports are spaced apart at a distance less than a length of the flexible beam such that the beam is buckled. Responsive to external vibrations the flexible beam switches between a first position and a second position. A magnetic proof mass is coupled to the flexible beam at the beam's midpoint. At least one permanent magnet is positioned proximate to the magnetic proof mass and has the same polarity. The permanent magnet is positioned to expose the magnetic proof mass to a repulsive force when the magnetic proof mass is located at both the first position and the second position. Piezoelectric transducers are located above and below the first and second positions of the flexible beam to harvest energy.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: July 28, 2020
    Assignee: United States of America as represented by Secretary of the Navy
    Inventors: Adi R. Bulsara, Bruno Ando, Salvatore Baglio, Vincenzo Marletta, Antonio Pistorio
  • Patent number: 10714676
    Abstract: A sensor includes a plurality of elements and an insulating layer. The plurality of elements is deformable to generate power. The insulating layer is interposed between the plurality of elements. Each of the plurality of elements includes a pair of electrodes and an intermediate layer. The intermediate layer is disposed between the pair of electrodes and formed of one of a rubber and a rubber composition.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: July 14, 2020
    Assignee: Ricoh Company, Ltd.
    Inventors: Mizuki Otagiri, Tsuneaki Kondoh, Yuko Arizumi, Tomoaki Sugawara, Junichiro Natori, Mayuka Araumi, Hideyuki Miyazawa, Makito Nakashima, Kimio Aoki, Takahiro Imai, Megumi Kitamura, Yuki Hoshikawa
  • Patent number: 10561833
    Abstract: A conductive pad for pain relieving and muscle training, comprises an electrode sheet electrically connected to a control unit and a conductive gel for attaching onto the human body. The conductive gel is added with a substance for pain relieving and muscle training, which is capsaicin, menthol, lidocaine, or other substitutes in an amount of 0.001% to 30% by mass. This invention has the function of increasing the blood circulation/local anesthesia by adding capsaicin, menthol, lidocaine, or other substitutes to the conductive gel, and has the effect of pain relieving and muscle training. The conductive pad that is made of the above described conductive gel can be used alone, and also be used with all of the TENS/EMS units in the market, offering a wide range of application. In addition, this invention does not require the additional heating source, simplifies the structure, and greatly reduces the manufacturing costs.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: February 18, 2020
    Inventors: Quanqin Dai, Pu Jiang
  • Patent number: 10547951
    Abstract: A micromechanical sound transducer system includes a substrate that includes (a) a cavity with a cavity edge area, (b) a front side, and (c) a rear side; a piezoelectric vibrating beam that is elastically suspended on the front side and that extends across the cavity; and, for the piezoelectric vibrating beam, a respective deflection limiting device that is on a front edge area of the respective vibrating beam and that is configured to limit a deflection of the respective vibrating beam to a limiting deflection by causing the respective front edge area of the respective vibrating beam to interact with the cavity edge area or an opposing front edge area of another vibrating beam.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: January 28, 2020
    Assignee: Robert Bosch GmbH
    Inventors: Ahmad Mansour, Daniel Pantel, Fabian Purkl, Kerrin Doessel, Thomas Buck, Thomas Northemann
  • Patent number: 10536098
    Abstract: An exemplary energy harvester includes a piezoelectric diaphragm, an eccentric mass that rotates in response to external motion, and a piezoelectric stress inducer coupled with the eccentric mass and the piezoelectric diaphragm. The piezoelectric stress inducer deforms the piezoelectric diaphragm in response to rotational motion of the eccentric mass, causing the piezoelectric diaphragm to generate electrical energy.
    Type: Grant
    Filed: February 12, 2016
    Date of Patent: January 14, 2020
    Assignee: ANALOG DEVICES, INC.
    Inventors: Qian Zhang, Yingqi Jiang, Kuang L. Yang
  • Patent number: 10505471
    Abstract: An apparatus comprises a piezoelectric element and a mechanical energy storage unit. The mechanical energy storage unit can be configured to receive a force and store the force as stored mechanical energy. The apparatus further comprises a mass configured to receive the stored mechanical energy from the mechanical energy storage unit when the stored mechanical energy is released, move with a velocity as a result of receiving the stored mechanical energy, and deform the piezoelectric element based on the velocity of the mass.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: December 10, 2019
    Inventors: Roozbeh Khodambashi Emami, Amirebrahim Darabi
  • Patent number: 10505098
    Abstract: A drive signal generating apparatus includes a transducer configured to convert electromagnetic energy of a signal received through a first port into a different type of energy, convert the different type of energy into electromagnetic energy, and transfer the converted electromagnetic energy to a second port, and a switching circuit configured to perform a gate switching operation, upon receiving a signal from the second port, to generate a drive signal.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: December 10, 2019
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: In Wha Jeong, Young Woon Choi, Tae Won Heo
  • Patent number: 10457545
    Abstract: A magnetic energy harvesting and scavenging circuit includes a first substrate having first and second surfaces and at least one energy harvesting and scavenging coil formed adjacent the first surface. An electromechanical systems device includes a moveable mass extending over the first surface and is displaced relative to the first substrate in three dimensions responsive to an external force applied to the moveable mass. The movable mass includes a magnet support layer and a number of permanent magnet segments attached to the magnet support layer. The permanent magnet segments are magnetically coupled to the at least one energy harvesting and scavenging coil. Energy harvesting and scavenging circuitry is electrically coupled to the at least one energy harvesting and scavenging coil and generates electrical energy due to magnetic flux variation through the at least one energy harvesting and scavenging coil responsive to movement of the moveable mass.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: October 29, 2019
    Assignee: STMICROELECTRONICS S.R.L.
    Inventor: Alberto Pagani
  • Patent number: 10461670
    Abstract: Disclosed is an electromechanical generator for converting mechanical vibrational energy into electrical energy, the electromechanical generator comprising: a mass resiliently connected to a body by a biasing device and adapted to oscillate about an equilibrium point relative to the body with an oscillation amplitude, a transducer configured to convert oscillations of the mass about the equilibrium point relative to the body into electrical energy, and a resilient device disposed between the biasing device and one of the mass and the body, wherein the resilient device is configured to be deformed between the biasing device and the one of the mass and the body only when the oscillation amplitude exceeds a predetermined non-zero threshold amplitude. The resilient device may comprise one of a helical spring, an O-ring and a spring washer, such as a Belleville washer, a curved disc spring, a wave washer, and a split washer.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: October 29, 2019
    Assignee: PERPETUUM LTD.
    Inventors: David Robert Vincent, Adam Wasenczuk
  • Patent number: 10447177
    Abstract: An energy harvesting system for harvesting energy in response to application of an external force. The energy harvesting system comprises a beam member having a central member and at least one piezoelectric layer joined to the central member for deflection therewith. The beam member includes opposing first and second ends and is elastically deformable in response to application of the external force. A first mount couples the first end of the beam member and is generally stationary. A second mount couples the second end of the beam member. The second mount and the second end of the beam member are generally moveable in response to application of the external force between a first position and a second position, thereby outputting energy from the at least one piezoelectric layer in response to the movement from the first position to the second position.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: October 15, 2019
    Assignees: THE REGENTS OF THE UNIVERSITY OF MICHIGAN, The Research Foundation for the State University of New York
    Inventors: Mohammad Amin Karami, Daniel J. Inman, Mohammad Hossein Ansari