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WO/2019/044697A1 |
This sensor element has a piezoelectric body and a plurality of electrodes when viewed in a plan view. The piezoelectric body comprises a base part and at least one arm part that extends from the base part. The plurality of electrodes ar...
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WO/2019/044696A1 |
According to the present invention, a pair of mounting arms in an angular velocity sensor are space apart from each other in the x-axis direction of an xyz-orthogonal coordinate system. A frame comprises: a main part which extends along ...
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WO/2019/032179A9 |
An angular sensor, comprising a Coriolis vibratory gyroscope (CVG) resonator, capable of oscillating along a first pair of normal n=1 modes comprising a first normal mode and a second normal mode; and a second pair of normal n=2 modes co...
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WO/2019/040817A2 |
Improvements to atom interferometers. An improved atom interferometer has a single polarization-preserving fiber, coupled for propagation of beams of two Raman frequencies, and a parallel displacement beamsplitter for separating the lase...
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WO/2019/039224A1 |
This vibrating gyroscope is equipped with: a mass (3) which is supported so as to be capable of displacement in first and second directions which are perpendicular to one another; an exciter (7) for vibrating the mass in the first direct...
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WO/2019/040000A1 |
Various embodiments may provide a gyroscope. The gyroscope may include a piezoelectric substrate, an excitation transducer configured to generate a surface acoustic wave, and a sensing transducer configured to receive the surface acousti...
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WO/2019/035599A1 |
The present invention relates to a device and method for detecting a liquid leak into a battery pack by using a gyro sensor and a moisture detection sensor, wherein, in order to detect a cooling water leak which may occur when a pipe for...
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WO/2019/030038A1 |
The invention relates to a rotational rate sensor (1) comprising a substrate, wherein the rotational rate sensor comprises at least one first compensation structure (10) and at least one second compensation structure (20). The first comp...
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WO/2019/029944A1 |
The invention relates to a yaw-rate sensor having a substrate, the yaw-rate sensor comprising a drive structure (2) that is movable with respect to the substrate, the drive structure (2) being fastened to the substrate by means of a spri...
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WO/2019/030036A1 |
The invention relates to a yaw-rate sensor having a substrate, the substrate comprising a main extension plane (110, 120), the yaw-rate sensor comprising at least one first and one second mass element (10, 20) which can be made to oscill...
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WO/2019/030037A1 |
A rate-of-rotation sensor (1) comprising a substrate, having a main plane of extent, and a first mass oscillator (2) and a second mass oscillator (3) is claimed, wherein the first and second mass oscillators (2), (3) are connected to the...
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WO/2019/029845A1 |
This invention relates the inertial navigation and position systems sector, and specifically relates an optical phase modulation scheme for an interferometric fiber optic gyroscope (I-FOG), with closed-loop feedback control equipped with...
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WO/2019/032177A1 |
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.
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WO/2019/024753A1 |
A reciprocal and differential type frequency-modulated continuous wave interferometric polarization-maintaining fiber gyroscope. The functions of beam splitting, beam combination, separation, and detection of polarized light of an optica...
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WO/2019/027260A1 |
A method for compensating for gyroscope drift on an electronic device includes receiving by a data processing unit, measurement data from a gyroscope. The method includes computing, by the data processing unit, a compensation parameter b...
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WO/2019/021860A1 |
A piezoelectric body of a sensor element includes a driving arm and a detecting arm which extend in the y-axis direction from a base portion. A plurality of excitation electrodes are located on the driving arm in an arrangement capable o...
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WO/2019/019942A1 |
A three-axis micro electro mechanical system (MEMS) gyroscope, comprising from the inside to the outside: a central anchor point (100), a first subsidiary mass block (200), a first decoupling structure (300), a second subsidiary mass blo...
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WO/2019/017277A1 |
This vibration type angular velocity sensor for detecting an angular velocity is provided with: a substrate (10); drive beams (42) that are supported via support members (43) at a fixing portion (20) formed on the substrate; drive weight...
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WO/2019/012245A1 |
A whispering gallery mode inertial sensor is provided. The whispering gallery mode inertial sensor comprises a whispering gallery mode resonator; an evanescent coupler configured to couple with an evanescent field of the whispering galle...
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WO/2019/010246A1 |
In a first aspect, the angular rate sensor comprises a substrate and a rotating structure anchored to the substrate. The angular rate sensor also includes a drive mass anchored to the substrate and an element coupling the drive mass and ...
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WO/2019/007635A1 |
The invention relates to a leveling device (1) for a domestic appliance (7), comprising a receiving unit (2) for receiving a signal (6) indicative of a level information regarding the domestic appliance (7) and emitted by a level indicat...
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WO/2019/007124A1 |
A gyroscope assembly and a driving cab stabilisation system. The driving cab stabilisation system comprises: a gyroscope (1), a controller (S2), an adjuster (S3), an air storage tank (S4) and an electromagnetic valve (S5). The adjuster (...
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WO/2019/004537A1 |
The present invention relates to a method for calibrating a gyro sensor on the basis of a vehicle speed, and, in order to prevent a scale factor correction error from being accumulated since the rotational radius changes according to the...
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WO/2019/006410A1 |
Systems and methods are provided for producing a continuous survey of a previously drilled portion of a wellbore. The method includes receiving a plurality of stationary survey measurements taken at a corresponding plurality of locations...
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WO/2019/004538A1 |
The present invention relates to an inertial sensor calibration method and, more particularly, to a method which enables accurate dead reckoning (DR) positioning by calculating a scale factor of an inertial sensor by using an indoor map ...
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WO/2018/233827A1 |
The present invention relates to a braking device and method, and particularly but not exclusively relates to a gyroscopic braking device and method. A braking device (1 ) comprising a body (2); inner supporting means (4) for supporting ...
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WO/2018/235719A1 |
A vibration type angular velocity sensor which detects an angular velocity is provided with: a base plate (10) having one surface; fixing portions (20); a plurality of weights (31 to 36); two linear driving beams (42) which are arranged ...
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WO/2018/227308A1 |
An inertial device comprises a frame. A cantilever beam has a first end connected to the frame and a second end cantilevered relative to the frame, the cantilevered beam forming a spring portion between the first end and the second end, ...
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WO/2018/222768A1 |
An optical gyroscope includes, in part, an optical switch, a pair of optical rings and a pair of photodetectors. The optical switch supplies a laser beam. The first optical ring delivers a first portion of the beam in a clockwise directi...
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WO/2018/216264A1 |
The present invention improves DLD in a resonator while minimizing variation in DLD. The present invention is provided with: a vibration part that has three or more vibration arms, each of which has a fixed end and an open end and at lea...
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WO/2018/206330A1 |
The invention relates to an inertial measuring device (1), having an inertial measuring unit (4) for determining a north direction and for determining position angles, having a battery (5), and having a wireless interface (6), which iner...
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WO/2018/197777A1 |
The invention relates to a resonator (1) that is configured to be integrated into an inertial angle sensor, said resonator (1) comprising at least one mass suspended by mechanical springs (5), and a number N of pairs Pi (2 ≤ i ≤ N) o...
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WO/2018/201101A1 |
A broadband light source apparatus, and corresponding method, includes a broadband light source configured to provide broadband source light characterized by a source wavelength spectrum. The apparatus also includes a broadband optical f...
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WO/2018/197857A1 |
There is provided a resonant sensor comprising: a substrate; a proof mass suspended from the substrate by one or more flexures to allow the proof mass to move relative to the frame along a sensitive axis; a first and a second resonant el...
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WO/2018/193890A1 |
This angular velocity sensor is provided with an angular velocity sensor element, a drive circuit, a detecting circuit, and a reference electric potential supply circuit. The angular velocity sensor element includes a monitor electrode, ...
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WO/2018/187800A1 |
A shoulder prosthesis restores the complex dynamics of the arm for whole-arm amputees. While most prosthesis for arm amputees focus on restoring the user's capabilities for dexterous manipulation, the disclosed prosthesis remains affixed...
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WO/2018/185140A1 |
The invention relates to a data glove for the remote control of a robot hand (10) which is secured to the distal end of a robot arm (12) that has a plurality of sensors for detecting desired gripping movements of the robot hand (10) and ...
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WO/2018/187015A1 |
A gyroscope includes drive portions, lever arms, and proof masses located in a device plane. The lever arms are caused to rotate about an anchoring point based on anti-phase movement of the drive portions along a first axis in the device...
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WO/2018/184771A1 |
A description is given of a yaw rate sensor having a drive which is intended to excite an oscillation of an oscillatory mass and has at least one drive amplifier circuit, and having a detector which is intended to detect a deflection of ...
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WO/2018/176092A1 |
This disclosure relates to an underground mining vehicle comprising a three-axis MEMS gyroscope rotatable about a rotation axis and a gyroscope interface that calculates a first rotation rate bias with respect to a first axis different t...
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WO/2018/183392A1 |
A track geometry measurement system includes a plurality of wheels, a frame, and an inertial measurement unit. The inertial measurement unit is coupled to the frame and includes at least one gyroscope.
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WO/2018/174866A1 |
An anti-roll system for a water vessel is configured for stabilizing the water vessel from rolling about its longitudinal axis. The anti-roll system has a sensor configured for sensing information within a field of view of the sensor sur...
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WO/2018/175524A1 |
A system for stabilizing a scale factor associated with an optic rotation sensor comprises an optic rotation sensor that generates an optic signal in response to a rotation of the optic rotation sensor. A sensor detection system produces...
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WO/2018/169165A1 |
The present invention relates to an improved Sagnac interferometer. The Sagnac interferometer comprises: a light source; a sensing unit splitting light inputted from the light source into a first beam and a second beam which are polarize...
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WO/2018/163469A1 |
This MEMS sensor comprises a first MEMS (a first MEMS and a drive circuit therefor) and a second MEMS (a second MEMS and a drive circuit therefor). This MEMS sensor comprises: a voltage application unit (a booster circuit) which applies ...
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WO/2018/165238A1 |
The described embodiments relate to a photonic integrated circuit (PIC) for use in a fiber optic gyroscope (FOG). Some embodiments describe a PIC with connectors for coupling to external components such as a light source, a photodetector...
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WO/2018/165177A1 |
Systems and methods are provided for producing a continuous survey of a previously drilled portion of a wellbore. The method includes receiving a plurality of stationary survey measurements taken at a corresponding plurality of locations...
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WO/2018/160813A1 |
A system for skin treatment including first, second, third, fourth, and fifth formulations that each include glycolic acid in an amount that ranges between 6 to 13 wt%, and salicylic acid in an amount that ranges between 1.3 to 2 wt%, wh...
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WO/2018/159998A1 |
Provided according to various embodiments can be a stand comprising: a stand housing; a wireless power transmission member disposed in the internal space of the stand housing; and at least one magnet disposed near the wireless power tran...
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WO/2018/154254A1 |
The invention relates to a hybrid inertial measurement system comprising a cold atom interferometric inertial sensor (50) having a laser source (20) generating a sequence of laser pulses (21, 22, 23, 29) towards a cold atom cloud (10) an...
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