Patents Examined by Alvaro E Fortich
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Patent number: 11835600Abstract: What is proposed is a current sensor comprising a current rail and comprising a magnetic field sensor, wherein the magnetic field sensor is configured to measure a magnetic field induced by a current flowing through the current rail, wherein a first insulation layer and a second insulation layer are arranged between the current rail and the magnetic field sensor, wherein an interface between the first insulation layer and the second insulation layer is free of a contact with the current rail and/or is free of a contact with the magnetic field sensor.Type: GrantFiled: June 15, 2022Date of Patent: December 5, 2023Assignee: Infineon Technologies AGInventors: Rainer Markus Schaller, Volker Strutz, Jochen Dangelmaier
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Patent number: 11835599Abstract: A printed circuit board assembly may have a printed circuit board with at least one electric component. A magnetic field sensor for measuring a magnetic field may be included, where an amperage of a current conducted in the electric component is determined on the basis of the magnetic field. The assembly may also include a magnetic conductor for conducting the magnetic field, which is then measured by the magnetic field sensor.Type: GrantFiled: February 3, 2022Date of Patent: December 5, 2023Assignee: ZF Friedrichshafen AGInventor: Alfons Neuner
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Patent number: 11828627Abstract: Methods and apparatuses to obtain increased performance and differentiation for an inductive position sensor through improvements to the sense element and target design are disclosed. In a particular embodiment, a sense element includes a transmit coil, a first receive coil that includes a first plurality of arrayed loops, wherein two or more of the first plurality of arrayed loops are at least one of phase blended and amplitude arrayed, and a second receive coil that includes a second plurality of arrayed loops, wherein two or more of the second plurality of arrayed loops are at least one of phase blended and amplitude arrayed, and wherein the first receive coil and the second receive coil are phase shifted. The sense element coils are arrayed in several geometries and layouts, and the coil and target geometry are manipulated to compensate for inherent errors in the fundamental design of an inductive position sensor.Type: GrantFiled: January 22, 2021Date of Patent: November 28, 2023Assignee: SENSATA TECHNOLOGIES, INC.Inventor: James M. Maloof
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Patent number: 11828718Abstract: Provided is a button device including a humidity sensor. The button device includes a substrate having a plurality of sensing regions, a housing on the substrate, the housing separating a first sensing region of the plurality of sensing regions from other sensing regions, a porous structure within the housing, the porous structure having through-holes, a first electrode on the porous structure, a second electrode on the porous structure, the second electrode being electrically connected to the first electrode through the porous structure, and a temperature sensor disposed adjacent to the first sensing region to sense a temperature of the first sensing region, The porous structure includes a body having an outer surface defining the through-holes, the body having an air gap therein.Type: GrantFiled: May 6, 2021Date of Patent: November 28, 2023Assignee: Electronics and Telecommunications Research InstituteInventors: Choon Gi Choi, Mondal Shuvra, Bok Ki Min, Yoonsik Yi
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Patent number: 11828818Abstract: A method of calibrating a magnetometer may include; obtaining at least four measurement values using the magnetometer, calculating a center and a radius of a sphere in accordance with the measurement values, wherein the center and the radius of the sphere correspond to an internal magnetic field associated with an electronic device including the magnetometer, and calibrating an output of the magnetometer in accordance with the center of the sphere.Type: GrantFiled: August 25, 2022Date of Patent: November 28, 2023Inventors: Andrey Zobenko, Gwon Sedo, Jungwoong Yoon
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Patent number: 11815539Abstract: The invention discloses a hybrid compact, near-field-to-far-field and direct-far-field test system in an anechoic chamber. It comprises a curved reflector with its primary feed antenna set situated on a lateral side and pointing towards it, a secondary feed antenna set pierced to the reflector or in front of it, and one or several sets of antennas or devices under test (AUT/DUT), and their 3D turntable tower placed at a quiet zone, for which roll, elevation and azimuth can change. In a receive process, the primary antenna set transmits several signals towards the reflector, which reflects these signals towards the quiet zone in the form of planar wavefronts. The secondary antenna set also transmits several signals, but directly towards the quiet zone in spherical wavefronts. The AUT/DUT receives all these signals simultaneously. Through reciprocity, a similar measurement process for transmission can be performed.Type: GrantFiled: October 9, 2018Date of Patent: November 14, 2023Assignee: EMITE INGENIERIA S.L.Inventor: David Agapito Sanchez Hernandez
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Patent number: 11815571Abstract: The present invention provides an electric current sensor comprising a substrate and MR sensing circuit. The substrate has a first surface along a first axis and a second axis. The MR sensing circuit is utilized to detect a magnetic filed about a third axis. The MR sensing circuit is formed onto the first surface and has a plurality of MR sensor pairs. Each MR sensor in each MR sensor pair has a plurality of conductive structures, wherein the conductive structures of one MR sensor are symmetrically arranged. Alternatively, the present invention provides an electric current sensing device using a pair of electric sensors symmetrically arranged at two lateral sides of a conductive wire having an electric current flowing therethrough for eliminating the magnetic field along Z axis generated by external environment.Type: GrantFiled: May 3, 2022Date of Patent: November 14, 2023Assignee: VOLTAFIELD TECHNOLOGY CORPORATIONInventors: Nai-Chung Fu, Chien-He Hou, Chih-Chao Shih, Fu-Tai Liou
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Patent number: 11815569Abstract: Provided is a magnetic sensor using an anomalous Hall effect. Nonmagnetic metal layers are disposed on and below a ferromagnetic material so as to form a Hall voltage corresponding to a change in applied magnetic field. Linearity and saturation magnetization of the magnetic sensor depend on a thickness of the nonmagnetic metal layer and a thickness of the ferromagnetic material. In addition, provided is a Hall sensor using an anomalous Hall effect. Nonmagnetic metal layers are formed with respect to a ferromagnetic layer, and CoFeSiB constituting the ferromagnetic layer has a thickness ranging from 10 ? to 45 ?. A magnetic easy axis is formed in a direction perpendicular to an interface due to interface inducing action of the nonmagnetic metal layers. In addition, the Hall sensor includes a sensing region having a rhombic shape, an electrode line portion having a line shape, and a pad portion.Type: GrantFiled: November 29, 2019Date of Patent: November 14, 2023Inventor: Tae Wan Kim
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Patent number: 11802476Abstract: A directional tool and method of surveying a wellbore with the directional tool in a borehole string. A first sensor of the directional tool is disposed in a non-homogeneous ambient magnetic field. A first applied magnetic field is applied to the first sensor. A first measurement is obtained at the first sensor while the first sensor is disposed within the non-homogeneous ambient magnetic field and with the first applied magnetic field applied. A second applied magnetic field is applied to the first sensor. A second measurement is obtained at the first sensor while the first sensor is disposed within the non-homogeneous ambient magnetic field and with the second applied magnetic field applied. The directional tool is calibrated based on the first and second measurement. A downhole survey measurement is obtained with the calibrated directional tool in the wellbore.Type: GrantFiled: November 13, 2020Date of Patent: October 31, 2023Assignee: BAKER HUGHES OILFIELD OPERATIONS LLCInventors: Verónica Vanessa Herrera Baño, Gunnar Tackmann, Thomas Kruspe, Thomas Kunkiel
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Patent number: 11801509Abstract: In one example in accordance with the present disclosure, a cellular analytic system is described. The cellular analytic system includes a series of analytic devices. Each analytic device includes 1) a separator to separate a cellular particle from a surrounding fluid, 2) an analyzer coupled to a first outlet of the separator to analyze the surrounding fluid, and 3) at least one lysing device coupled to at least a second outlet of the separator to rupture a membrane of the cellular particle. An outlet of the lysing device is fluidly coupled to a separator of a downstream analytic device.Type: GrantFiled: August 10, 2018Date of Patent: October 31, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Viktor Shkolnikov, Alexander Govyadinov
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Patent number: 11802912Abstract: An output module comprising an output circuit and a control unit and an industrial control device including the output module are provided. The output circuit includes switches connected in parallel with each other, a specific power supply provided for each switch, and a current detection unit that is provided for each switch and, in response to an application of a function diagnosis voltage from the specific power supply, outputs a current signal indicating whether an applied current has flowed through the switch, to the control unit. The control unit determines a diagnosis target switch, and based on the current signal from the current detection unit, conducts the function diagnosis including determination as to whether opening control is normally active for at least the diagnosis target switch, while leaving at least any one switch other than the diagnosis target switch in a closed state.Type: GrantFiled: July 19, 2022Date of Patent: October 31, 2023Assignee: DENSO WAVE INCORPORATEDInventor: Riho Uchizawa
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Patent number: 11789055Abstract: A test apparatus inspects an antenna element or a device including the antenna element as a DUT by OTA. A front-end unit includes a plurality of electric field detection elements provided to face a plurality of points on a radiation surface of the antenna element of the DUT. The plurality of electric field detection elements can simultaneously detect the electric fields formed at the corresponding points by the DUT, respectively. A tester body receives a plurality of detection signals from the front-end unit and evaluates the DUT.Type: GrantFiled: March 23, 2022Date of Patent: October 17, 2023Assignee: ADVANTEST CORPORATIONInventors: Koji Asami, Shin Masuda
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Patent number: 11789095Abstract: The current sensor comprises: a magnetic detecting device that is arranged in the vicinity of a conductor, to which a magnetic field to be measured induced by a current flowing through the conductor is applied, and that changes an electrical resistance in response to a change in the magnetic field to be measured; two coils that generate a canceling magnetic field to cancel the magnetic field to be measured and that are arranged in the vicinity of the magnetic detecting device; a shunt resistor, that is connected in series between the two coils, for detecting a current flowing through the coils; a first differential amplifier that amplifies the output signal of the magnetic detecting device and that supplies the current to induce the canceling magnetic field to the coils; and a second differential amplifier that amplifies the voltage across the shunt resistor and that outputs a measured voltage proportional to the current flowing through the conductor.Type: GrantFiled: June 23, 2022Date of Patent: October 17, 2023Assignee: TDK CorporationInventors: Yuta Saito, Yoshihiro Kudo, Daisuke Miyauchi, Satoshi Abe
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Patent number: 11782105Abstract: In one aspect, a method includes forming a coil in a coil layer, performing planarization on the coil layer, and depositing a magnetoresistance (MR) element on the planarized coil layer. No dielectric material is between the planarized coil layer and the MR element. In another aspect, a magnetic field sensor includes a substrate, a planarized coil layer comprising a coil on the substrate, a magnetoresistance (MR) element in contact with the planarized coil layer, and a capping layer deposited over the MR element and the planarized coil layer. No dielectric material is between the planarized coil layer and the MR element.Type: GrantFiled: January 17, 2022Date of Patent: October 10, 2023Assignee: Allegro MicroSystems, LLCInventors: Maxim Klebanov, Yen Ting Liu, Paolo Campiglio, Sundar Chetlur, Harianto Wong
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Patent number: 11784642Abstract: The present disclosure provides a touch circuit, a touch panel and a display device. The touch circuit includes: a plurality of touch signal lines electrically connected with a control circuit, a voltage signal line for providing a preset voltage, and a plurality of switching circuits in one to one correspondence with the touch signal lines, wherein each switching circuit of the plurality of the switching circuits is electrically connected with the corresponding touch signal line and the voltage signal line, the switching circuit is configured to be in an off state under a condition that a voltage value on the corresponding touch signal line is within a preset range, and is also configured to be in an on state under a condition that the voltage value on the corresponding touch signal line is not within the preset range.Type: GrantFiled: March 31, 2020Date of Patent: October 10, 2023Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Erlong Song, Fei Yu, Huijie Meng, Bo Wei, Hongjun Zhou, Lili Du
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Patent number: 11774518Abstract: Provided is a magnetic field measuring apparatus for: acquiring the measurement data measured by a magnetic sensor array that is configured by arraying the plurality of magnetic sensor cells to form a surface covering at least a part of a target object to be measured; performing signal separation on a magnetic field spatial distribution indicated by the measurement data based on a position and magnetic sensitivity of each magnetic sensor; generating a calibration magnetic field at a position on a straight line that can be drawn without crossing the plurality of magnetic sensor cells from the measurement space outside the measurement space; and calibrating a sensor error for the magnetic sensor based on a separation error in a case where signal separation has been performed on a spatial distribution of the calibration magnetic field.Type: GrantFiled: September 25, 2022Date of Patent: October 3, 2023Assignee: Asahi Kasei Microdevices CorporationInventors: Shigeki Okatake, Makoto Kataoka, Takenobu Nakamura, Seiichi Kato
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Patent number: 11774467Abstract: Probe structures, probe arrays, have varying intrinsic material properties along their lengths. Methods of forming probes and probe arrays comprise varying the plating parameters to provide varying intrinsic material properties. Some embodiments provide deposition templates created using multiphoton lithography to provide probes with varying lateral configurations along at least portion of their lengths.Type: GrantFiled: September 1, 2021Date of Patent: October 3, 2023Assignee: MICROFABRICA INC.Inventor: Onnik Yaglioglu
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Patent number: 11774393Abstract: According to one embodiment, a sensor includes a sensor element. The sensor element includes a first base body, a first fixed electrode fixed to the first base body, and a first structure body. The first structure body includes a first fixed portion fixed to the first base body, a first deformable portion supported by the first fixed portion, a first intermediate portion supported by the first deformable portion, and a first movable portion supported by the first intermediate portion. The first deformable portion includes a first deformed facing surface facing the first base body, and a first deformable surface. The first intermediate portion includes a first intermediate facing surface facing the first base body, and a first intermediate surface. The first deformable surface is possible to be deformed depending on a gas included in a space around the first structure body.Type: GrantFiled: July 12, 2022Date of Patent: October 3, 2023Assignee: Kabushiki Kaisha ToshibaInventor: Naoki Hiramatsu
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Patent number: 11768259Abstract: A multichannel magnetic field sensor including a plurality of magnetic field sensing elements includes a multiplexed signal path. A front end amplifier is coupled to receive a first magnetic field signal during a first time interval and a second magnetic field signal during a second time interval. A first low pass filter processes the amplified signal during the first time interval and a second low pass filter processes the amplified signal during the second time interval. A sinc filter is coupled to receive the first low pass filtered signal during the first time interval and the second low pass filtered signal during the second time interval. A Schmitt trigger circuit includes a comparator to process the sinc filter output signal and to generate a first comparator output signal during the first time interval and a second comparator output signal is provided during the second time interval.Type: GrantFiled: September 8, 2022Date of Patent: September 26, 2023Assignee: Allegro MicroSystems, LLCInventors: Ezequiel Rubinsztain, Pablo Javier Bolsinger
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Patent number: 11768161Abstract: Disclosed is a signal isolating test instrument, such as an electronics test probe. The instrument includes an input to receive a floating analog signal. An upconverter is employed to modulate the floating analog signal to a microwave frequency analog signal. An isolation barrier in the instrument prevents coupling of the floating analog signal to an earth ground. The instrument employs a microwave structure to transmit the microwave frequency analog signal across the isolation barrier via electromagnetic coupling. A downconverter is then employed to demodulate the microwave frequency analog signal to obtain a ground referenced test signal corresponding to the floating analog signal.Type: GrantFiled: May 4, 2021Date of Patent: September 26, 2023Assignee: Tektronix, Inc.Inventors: Jonathan S. Dandy, Daniel G. Knierim