Patents Examined by Helen C. Kwok
  • Patent number: 10732200
    Abstract: A micro inertial measurement system includes a housing, a sensing module, and a damper. The sensing module includes a rigid sensing support, a measuring and controlling circuit board mounted on the rigid sensing support and an inertial sensor set on the measuring and controlling circuit board. The inertial sensor includes a gyroscope and an accelerometer. The sensing module is mounted in the housing. The damper is mounted in the housing and set in the gap between the sensing module and the inside wall of the housing. By use of the above-mentioned structure, the noise immunity of the inertial measuring system can be greatly improved, and the volume and weight of the inertial measuring system can be greatly reduced.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: August 4, 2020
    Assignee: SZ DJI TECHNOLOGY CO., LTD.
    Inventor: Tao Wang
  • Patent number: 10732197
    Abstract: A system configured for stabilizing or balancing objects in an upright state. The system includes a motion system with an upper support surface for receiving an object that is positionable in a vertical state. The system includes a sensor assembly with at least one sensor generating sensor data by tracking at least one of three dimensional (3D) position and angular movement for the object. The system includes a controller with a stabilizing module to process the sensor data to determine when the object is tipping from the vertical state, and, in response to the tipping away of the object from the vertical state, the stabilizing module generates control signals to modify operations of the motion system to move at least a portion of the upper support surface in contact with a lower contact surface of the object through stabilizing movements, whereby the object remains balanced in the vertical state.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: August 4, 2020
    Assignee: Disney Enterprises, Inc.
    Inventors: Lanny S. Smoot, David Loyal Christensen, Gunter D. Niemeyer
  • Patent number: 10731985
    Abstract: A sensor element control device which is connectable to a sensor element including a drive unit and a detection unit, includes a drive circuit that outputs a drive signal to the drive unit; a detection circuit that generates a detection signal based on a signal output from the detection unit; a diagnostic signal generation circuit that generates a diagnostic signal having a frequency component corresponding to a detuning frequency which is a difference frequency between a drive frequency which is a frequency at which the drive unit vibrates and a detection frequency which is a frequency at which the detection unit vibrates; and a fault diagnosis circuit that performs fault diagnosis based on a signal output from the detection unit when the diagnostic signal is superimposed on the drive signal.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: August 4, 2020
    Assignee: Seiko Epson Corporation
    Inventor: Norihito Matsukawa
  • Patent number: 10712157
    Abstract: A physical quantity sensor includes a base, a suspension beam facing the base, a fixing anchor fixing the suspension beam to the base, a fixed electrode extending orthogonally from the suspension beam, and a movable electrode facing the fixed electrode at an interval. The width of a distal end of the suspension beam distant from the fixing anchor is narrower than the width of a proximal end adjacent to the fixing anchor.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: July 14, 2020
    Assignee: Seiko Epson Corporation
    Inventor: Ryuji Kihara
  • Patent number: 10712316
    Abstract: A fixed value residual stress test block, comprising a main body (1) and two welded blocks (2); the main body (1) and the welded blocks (2) are all rectangular metal blocks; the welded blocks (2) are welded onto the two opposite side surfaces of the main body (1); the main body (1) is deformed under the upper and lower pressures and generates residual stress. The fixed value residual stress test block has a simple structure.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: July 14, 2020
    Assignee: Beijing Institute of Technology
    Inventors: Chunguang Xu, Lang Xu, Qinxue Pan, Dingguo Xiao, Xiao Li, Wentao Song
  • Patent number: 10710870
    Abstract: A MEMS sensor comprising preloaded suspension springs and a method for mechanically preloading suspension springs of a MEMS sensor are described. The MEMS sensor comprises a MEMS support structure; a plurality of suspension springs connected to the support structure; and, a proof mass flexibly suspended by the suspension springs; wherein at least one of the suspension springs is mechanically preloaded with a compressive force for reducing the natural frequency of said proof mass.
    Type: Grant
    Filed: December 6, 2016
    Date of Patent: July 14, 2020
    Assignees: STICHTING VU-VUMC, FOM-NIKHEF
    Inventors: Eric Hennes, Alessandro Bertolini, Johannes Franciscus Van Den Brand
  • Patent number: 10712247
    Abstract: Describe are an OPGW single wire torsional fatigue test method, apparatus and storage medium. The method includes: a preset torsional angle and preset cycle number of torsions of an OPGW single wire are acquired (S1); forward and backward torsional forces are sequentially and alternately applied to the OPGW single wire according to the preset torsional angle (S2); when a number of application times of the applied torsional forces reaches a preset cycle number of torsions, torsional force application to the OPGW single wire is stopped (S3). According to the test method, a bidirectional torsional fatigue test on the OPGW single wire may be made by sequentially and alternately applying the forward and backward torsional forces to the OPGW single wire, so that reliability of a test result and test efficiency are improved.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: July 14, 2020
    Assignees: CHINA ELECTRIC POWER RESEARCH INSTITUTE CO. LTD., STATE GRID CORPORATION OF CHINA, STATE GRID ZHEJIANG ELECTRIC POWER COMPANY
    Inventors: Xuebin Feng, Jiyong Hou, Xichun Ren, Yueguo Chen
  • Patent number: 10704978
    Abstract: A wheel-force dynamometer (1) for measuring, via force sensors (6), force and torque that act upon a vehicle tire (2a) and a vehicle wheel (2). The vehicle wheel (2) is mounted to rotate by way of a wheel axle. The wheel-force dynamometer (1) is characterized in that the wheel axle is in the form of a rotor (3) which is hydrostatically mounted, axially fixed and able to rotate in the circumferential direction, in a rigid and positionally fixed housing (5).
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: July 7, 2020
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Jens Eisenbeiss, Roland Bösl
  • Patent number: 10697939
    Abstract: An ultrasound imaging system includes an imaging probe including an array with a plurality of elements and a drive system configured to move the transducer array with a first pitch during data acquisition. A console includes a transmit circuit configured to excite the elements to transmit a first sequence of different sub-sets of the elements and then a second sequence, wherein the plurality of elements is offset from each other by a predetermined shift for the sequences. The console further includes a receive circuit configured to receive echo signals from the elements for the sequences. The console further includes a processor configured to beamform the received signals for the sequences and generate scanlines for the sequences and configured to combine pairs of scanlines across the sequences to produce a single sequence with a second pitch that is less than the first pitch.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: June 30, 2020
    Assignee: B-K Medical Aps
    Inventors: Henrik Jensen, Fredrik Gran, Jens Munk Hansen
  • Patent number: 10697861
    Abstract: A structure abnormality detection device that detects an abnormality of a structure includes means for storing a model that predicts, from a first inspection value acquired at a first inspection position, a second inspection value acquired at a second inspection position that is a position where a vibration intensity in vibration of a predetermined vibration mode at a natural frequency of the structure is substantially the same as at the first inspection position; and means for detecting an abnormality of the structure by evaluating fidelity of the first inspection value and the second inspection value acquired at a particular time to the model.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: June 30, 2020
    Assignee: NEC CORPORATION
    Inventors: Ryota Mase, Shinji Kasahara, Katsuhiro Ochiai
  • Patent number: 10696541
    Abstract: Systems and methods for suppressing bias in a non-degenerate vibratory structure are provided. In certain embodiments, a vibratory structure includes a first proof mass; a second proof mass, wherein the first proof mass and the second proof mass are driven into motion along a first axis, wherein the first proof mass and the second proof mass move in anti-phase along a second axis, wherein the motion of the first proof mass and the second proof mass along the second axis is such that the centers of mass of the first proof mass and the second proof mass move collinearly along a same axis.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: June 30, 2020
    Assignee: Honeywell International Inc.
    Inventors: Daniel Endean, John Reinke
  • Patent number: 10697824
    Abstract: Provided is a method for determining strain change in an optical fiber.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: June 30, 2020
    Assignee: AIQ Dienstleistungen UG (Haftungsbeschränkt
    Inventor: Gregor Cedilnik
  • Patent number: 10690500
    Abstract: A sensor element includes a base portion, a drive arm that extends from the base portion or a portion which is connected to the base portion, and a detection arm that extends from the base portion. The drive arm includes a drive arm portion that extends from the base portion or a portion which is connected to the base portion, and a drive weight portion that is provided on a front end side with respect to the drive arm portion and has a larger width than the drive arm portion. When a length of the drive weight portion in an extending direction of the drive arm is referred to as DHL and a width of the drive weight portion in a direction orthogonal to the extending direction in a planar view is referred to as DHW, a relationship of 1.5?DHL/DHW is satisfied.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: June 23, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Ryuta Nishizawa, Keiichi Yamaguchi
  • Patent number: 10690281
    Abstract: A pipeline robot capable of steering actively comprises at least two driving knuckles and at least one steering knuckle. Every two adjacent driving knuckles are connected by the steering knuckle. A front end cover is fixed on the front end surface of the driving knuckle at the most front end. A sensor is mounted in the center of the front end cover. A rear end cover is fixed on the rear end surface of the driving knuckle at the rearmost end. A universal spherical hinge is arranged in the center of the rear end cover. Each driving knuckle comprises a main frame, driving mechanisms and telescopic mechanisms; the telescopic mechanisms are mounted in the main frame, and capable of causing contraction of the driving mechanisms into the main frame. The steering knuckle can drive the front driving knuckle connected thereto to steer.
    Type: Grant
    Filed: July 18, 2016
    Date of Patent: June 23, 2020
    Assignees: CHENGDU UNEVERSITY OF TECHNOLOGY, SOUTHWEST PETROLEUM UNIVERSITY
    Inventors: Qingyou Liu, Haiyan Zhu, Xu Luo, Guorong Wang
  • Patent number: 10684163
    Abstract: An acoustic wave sensor may include: a continuous membrane deflectable by acoustic waves to be detected, and a piezoelectric layer provided on the membrane and including a plurality of piezoelectric layer portions respectively equipped with at least two individual electric contact structures configured to electrically connect the respective piezoelectric layer portions. Electric contact structures associated with different piezoelectric layer portions may be separated from each other.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: June 16, 2020
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Alfons Dehe, Manuel Dorfmeister, Ulrich Schmid, Michael Schneider
  • Patent number: 10670622
    Abstract: The present invention relates to a displacement sensor device and the system including the device, wherein the device comprises a first at least partially transparent plane surface with a first diffraction pattern and a second plane surface comprising a second reflecting diffraction pattern. The diffractive patterns being adapted to diffract light within a chosen range of wavelengths, the second surface being positioned below and parallel to the first surface constituting a pair wherein said first and second diffractive patterns being essentially equal, the device also comprising displacement means for allowing a movement in a direction parallel to said surfaces, the device thus providing a movement sensitive diffraction pattern.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: June 2, 2020
    Assignee: PGS Geophysical AS
    Inventors: Ib-Rune Johansen, Matthieu Lacolle, Thor Bakke, Andreas Vogl, Dag Thorstein Wang, Sverre Knudsen, Odd Løvhaugen, Hallvard Angelskår, Zeljko Skokic
  • Patent number: 10663481
    Abstract: A physical quantity sensor has a first movable section, a second movable section that has a rotational moment, which is generated when acceleration is applied, that is different from the first movable section, a movable section that is supported so as to be able to rock about an axis which is positioned between the first movable section and the second movable section, a first detection electrode which is arranged so as to oppose the first movable section, a second detection electrode which is arranged so as to oppose the second movable section, and a frame-form section which is arranged so as to surround at least a portion of the periphery of the movable section in planar view of the movable section and which has the same potential as the movable section.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: May 26, 2020
    Assignee: Seiko Epson Corporation
    Inventor: Satoru Tanaka
  • Patent number: 10663480
    Abstract: A physical quantity sensor includes: a movable body; a support that supports the movable body via a coupler; a substrate that is disposed so as to overlap the movable body in a plan view and is provided with a first fixed electrode and a second fixed electrode thereon along a first direction orthogonal to a longitudinal direction of the coupler; a third fixed electrode that does not overlap the movable body in the plan view, is electrically connected with any one of the first fixed electrode and the second fixed electrode, and is provided on the substrate; and a first dummy electrode that is disposed next to the third fixed electrode in the plan view, is at the same potential as the movable body, and is provided on the substrate.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: May 26, 2020
    Assignee: Seiko Epson Corporation
    Inventor: Satoru Tanaka
  • Patent number: 10655964
    Abstract: A resonator includes an anchor, an outer stiffener ring on an outer perimeter of the resonator, and a plurality of curved springs between the anchor and the outer stiffener ring.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: May 19, 2020
    Assignee: HRL Laboratories, LLC
    Inventors: Lian X. Huang, Logan D. Sorenson, Raviv Perahia, Hung Nguyen, David T. Chang
  • Patent number: 10656173
    Abstract: A micromechanical structure for an acceleration sensor includes a movable seismic mass including electrodes, the seismic mass being attached to a substrate with the aid of an attachment element; first fixed counter electrodes attached to a first carrier plate; and second fixed counter electrodes attached to a second carrier plate, where the counter electrodes, together with the electrodes, are situated nested in one another in a sensing plane of the micromechanical structure, and where the carrier plates are situated nested in one another in a plane below the sensing plane, each being attached to a central area of the substrate with the aid of an attachment element.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: May 19, 2020
    Assignee: Robert Bosch GmbH
    Inventors: Johannes Classen, Antoine Puygranier, Denis Gugel, Guenther-Nino-Carlo Ullrich, Markus Linck-Lescanne, Sebastian Guenther, Timm Hoehr