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WO/2020/252546A1 |
A level measurement system based on a column of Hall-effect sensors with automatic calibration, pertaining to the technical sector of equipment in which linear level measurement is required, comprises a level measurement system for chemi...
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WO/2020/249313A1 |
A method for determining the angle (Ï•) of the rotor (18) of an electric motor (12) comprises the following steps: receiving a first rotor position signal (P1) from a rotor position sensor (15) by means of a control unit (14), the first ...
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WO/2020/250439A1 |
A rotation speed detector (1) has: a magnet (2) attached to a shaft (4), which is a rotating body that rotates about a rotation axis (9); and a power generation element (3) that generates an inducement voltage in accordance with a change...
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WO/2020/248876A1 |
A sensing unit (100) and an electronic device. The sensing unit (100) comprises a sensor and a chip; the sensor comprises at least one sensitive resistor (R1); a signal processing circuit and at least one built-in resistor (R3) are provi...
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WO/2020/244441A1 |
Provided is a mobile object, comprising a housing (502) with a light-transmitting portion, and further comprising a light receiving element (504) and a light guide member (520) arranged inside the housing (502), the light guide member (5...
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WO/2020/247202A1 |
A system may include a sensor configured to output a sensor signal indicative of a distance between the sensor and a mechanical member associated with the sensor, a measurement circuit communicatively coupled to the sensor and configured...
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WO/2020/245413A1 |
A laser interferometer configured to provide position information relating to a reflective surface, the laser interferometer comprising: a laser source, a photodetector, a signal processor and an optical defocusing element having a first...
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WO/2020/247167A1 |
A sensing apparatus for use in harsh environments to measure a target characteristic. The apparatus has a sensing element formed as a section of a coupled slow- wave structure including at least two impedance conductors each curled into ...
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WO/2020/245496A1 |
A position sensor (120) comprises a ferromagnetic core (101) for conducting a magnetic flux and at least one coil (102) surrounding a part of the ferromagnetic core. The position sensor comprises circuit boards (104, 105) so that the par...
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WO/2020/240616A1 |
In this redundancy resolver device, winding groups of different systems are disposed at different positions along the peripheral direction of a stator core. The winding group of each system includes: an excitation winding group that comp...
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WO/2020/239513A1 |
An apparatus (12) for placement on the abdomen of a subject for monitoring uterine contractions. The apparatus includes a light source (16) and a light detector (18) which communicate light via a reflection surface (22) arranged facing t...
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WO/2020/240877A1 |
This angle detector comprises a magnet (3) that is attached to a rotating shaft and has a first track (11) magnetized with P pairs of poles and a second track (12) magnetized with Q pairs of poles, a first Hall element group (13) that de...
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WO/2020/239318A1 |
The invention relates to a method for producing a magnetic measuring rod (10) comprising the following steps: (a) applying a magnetic layer (14) to a substrate (12) and (b) structuring the magnetic layer (14) such that a position coding ...
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WO/2020/236793A1 |
Maintaining a fixed frequency in a resonant circuit of an inductive sensor circuit is described. In one embodiment, an apparatus includes an inductance-todigital converter (LDC). The LDC includes a digital filter to measure an inductance...
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WO/2020/234302A1 |
The invention relates to an optical reading device (1) for a pointer instrument (3) which has a pointer (4) and a scale face or dial (6) with different degrees of reflectance in each case, comprising an illumination device (7) for illumi...
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WO/2020/232735A1 |
A magnetic sensor module, comprising a base plate (1) and a first magnetoresistive chip (2) and second magnetoresistive chip (3) that are provided on the base plate; the first magnetoresistive chip (2) and the second magnetoresistive chi...
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WO/2020/232555A1 |
Articles comprising one or more additively-manufactured components are provided, as are method of additively manufacturing such components. The additvely-manufactured components are designed to enhance performance and use of the article,...
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WO/2020/234309A1 |
The invention relates to an acoustic sensor comprising: - a component (18) having an input and an output, the component (18) being able to conduct light waves in a plurality of propagation modes between the input and the output, the comp...
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WO/2020/236019A1 |
Sensor consists of a core (1) and, placed directly in the structure of the core (1), in its center, integrally connected to it, without a separation or a slip - measuring optical fiber components (2) for determining the deformation of th...
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WO/2020/234850A1 |
A method of aligning a first substrate and a second substrate comprises positioning the first substrate having at least a first alignment mark in close proximity to the second substrate having at least a second alignment mark, measuring ...
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WO/2020/231321A1 |
A device (20; 30; 40) for measuring strain in an elongated metallic bar (10), the device (20; 30; 40) comprising a housing (25; 35; 45) arranged to be secured to the metallic bar (10), at least one optical sensor (15), at least one light...
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WO/2020/231462A1 |
A distributed acoustic system may comprise an interrogator which includes a single photon detector, an umbilical line comprising a first fiber optic cable and a second fiber optic cable attached at one end to the interrogator, and a down...
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WO/2020/229109A1 |
The invention relates to a device (1) for contactlessly determining a position of a pedal (2), in particular in a vehicle, which device comprises at least one magnet (3) and a sensor (4), wherein the magnet (3) generates a magnetic field...
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WO/2020/230752A1 |
The present invention provides a magnet unit and a position detection device that are excellent in thermal shock resistance without the risk of being damaged due to a temperature change and that are capable of detecting a position with h...
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WO/2020/228466A1 |
The present invention provides a method and apparatus for adjusting a bias voltage of an MSM detector, and an MSM detector. The method comprises: determining an initial bias voltage of an MSM detector, and acquiring, on the basis of the ...
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WO/2020/231461A1 |
A distributed acoustic system (DAS) may comprise an interrogator, an umbilical line attached at one end to the interrogator, and a downhole fiber attached to the umbilical line at the end opposite the interrogator. A method for optimizin...
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WO/2020/225513A1 |
The invention relates to a signal-distributing device (200) that comprises an arrayed-waveguide-grating demultiplexer (210) and at least one receiving module (2201; 2202; 2203). Each receiving module comprises a multimode interference co...
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WO/2020/224192A1 |
Provided are a smart mosquito-repellent detection system and detection method, comprising a mosquito repellent module (2), a detection module (5), a control module (6), and a display module (7); the mosquito repellent module (2) is used ...
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WO/2020/222726A1 |
A proximity sensor system and a method for implementing the proximity sensor system is provided, wherein the proximity sensor system includes a sensor article, wherein the sensor article includes a sensor sensing surface and wherein the ...
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WO/2020/220493A1 |
Disclosed are an identification system and identification method for a same-wavelength optical fiber coding group. The identification system comprises a pulsed light source, a circulator, a same-wavelength optical fiber coding group, an ...
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WO/2020/216389A1 |
The invention relates to a measuring system comprising a magnetic field-dependent sensor arranged opposite a movably mounted component (6) for detecting a state or a movement of same, wherein the movably mounted component (6) has a perme...
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WO/2020/217855A1 |
Provided is an electrostatic transducer that enables improvement of detection accuracy or driving precision while allowing flexibility. This electrostatic transducer (1) is provided with: an insulator sheet (11); at least one electrode s...
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WO/2020/216393A1 |
The invention relates to a device for determining the absolute rotations of a rotating component. In a device with which the absolute revolution of the rotating component can be determined without the need for a referencing position, two...
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WO/2020/215205A1 |
A grating disk and a feedback system. The grating disk (200) is provided with main gratings (210) at positions having different diameters and zero-position gratings (220) provided close to the main gratings; the number of zero-position g...
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WO/2020/215611A1 |
A multi-parameter surface acoustic wave sensing device and a manufacturing method therefor. The multi-parameter surface acoustic wave sensing device comprises a high-temperature-resistance piezoelectric crystal substrate (1), and a first...
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WO/2020/216388A1 |
The invention relates to a method for adjusting a position of an actuator following an interruption in a voltage supply, in which a parameter value of a component (6) actuating the actuator (1) is captured, wherein the parameter value is...
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WO/2020/214637A1 |
Local birefringence is determined from a scatter signature of a birefringent waveguide. Four copies of a Rayleigh scatter time delay domain signature of the fiber are collected from two orthogonal polarization received states and from tw...
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WO/2020/213466A1 |
A physical quantity measurement device (1) that comprises a light source (10) that emits light of a broad band of wavelengths, a light path (20) that receives the light that is emitted from the light source (10), a plurality of optical f...
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WO/2020/211319A1 |
A stress enhancement structure-based water leak sensing apparatus for electrical power cables. The sensing apparatus comprises a three-layer structure of a sensing optical fiber (1), a water-absorbing and expanding material (2), and a st...
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WO/2020/212109A1 |
The invention relates to a sensor device (120) for a vehicle (100). The sensor device (120) has at least two magnetic field sensors (122, 124) for detecting a transmitter magnetic field (127) from a transmitter magnet (126). The magnetic...
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WO/2020/213181A1 |
There has been a problem in which it has not been possible to reduce second order rotation angle error resulting from the deviation from π/2 of the phase difference between a sine signal and cosine signal. To address this problem, an an...
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WO/2020/213060A1 |
Provided are: an optical fiber sensor that can compensate for a sensing location that is along a fiber cable and is dependent on the arrangement state of an optical fiber cable, and an actual sensing location; a monitoring system; a sens...
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WO/2020/211208A1 |
Provided are a magnetic tag sensor and a manufacturing method therefor, and a riverbed scouring measurement device. The magnetic tag sensor comprises: a cylinder (1), wherein a threaded pipe (2) is embedded in a wall of the cylinder (1),...
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WO/2020/212497A1 |
The invention relates to a method for synchronising an internal combustion engine, which comprises: - a) a first step of acquiring, by the camshaft sensor, signals corresponding to at least five cam edges x, - b) a second step of determi...
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WO/2020/209252A1 |
In the present invention, an excitation winding 2x, 2y and/or a detection winding 3 is composed of a combination of one or more sheet coils Cxa…, Cya…, Co… having one or more bore portions H. A plurality of coil-storing grooves 7â€...
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WO/2020/206978A1 |
An online water leak monitoring apparatus for electrical power cables. The monitoring apparatus consists of a sensing optical fiber (1) and a water-absorbing and expanding material (2). The inner layer is the sensing optical cable (1) ac...
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WO/2020/208773A1 |
This encoder comprises a light-projection-and-reception-module package (3) comprising a package substrate (30) and a light-transmitting resin (33) covering a mounting surface (30a) of the substrate. The light-transmitting resin (33) has ...
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WO/2020/207000A1 |
Provided is an inductive position measuring sensor, comprising a fixed ruler (100) and a sliding ruler (200) which can move relatively along the direction of the measuring axis. A series of coupling coils (140) are made on the fixed rule...
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WO/2020/207788A1 |
The invention relates to a sensor (16) for a magnetic measuring device (20) for detecting a rotational or translational movement of a body (10), said sensor comprising a permanent magnet (16A) which is connected to the body (10) for conj...
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WO/2020/207959A1 |
The invention relates to an optical encoder (10) comprising a transmitter (12), a receiver (14), a reflector (16) and a code carrier (18), wherein the transmitter emits electromagnetic radiation along a transmission axis (S) in the direc...
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