Patents Examined by Alvaro E Fortich
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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: 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: 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: 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
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Patent number: 11761983Abstract: The present disclosure provides a wafer probe card including: a non-magnetic printed circuit board (PCB) having a first side and a second side opposite the first side, the first side configured to face a magnet; a plurality of connection structures provided on the first side of the non-magnetic PCB; and a Hall sensor unit fixedly provided on the first side of the non-magnetic PCB, the Hall sensor electrically connected to at least one of the plurality of connection structures.Type: GrantFiled: September 13, 2021Date of Patent: September 19, 2023Assignee: GLOBALFOUNDRIES Singapore Pte. Ltd.Inventors: Guoquan Teo, Meng Yew Seah, Yongshun Sun, Eng Huat Toh
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Patent number: 11761919Abstract: A system for low power chemical sensing can include a voltage shift unit which receives a voltage signal from a chemical sensor unit. The voltage signal can be determined by a concentration of an analyte. The voltage shift unit can transform the voltage signal to an input voltage signal, and send the input voltage signal to a plurality of frequency selective surface (FSS) units of an FSS array. The FSS array can communicate a radio frequency (RF) signal in an Institute of Electrical and Electronics Engineers (IEEE) S band with a resonant frequency based on the input voltage to provide the concentration of the analyte.Type: GrantFiled: July 12, 2019Date of Patent: September 19, 2023Assignees: University of Utah Research Foundation, The Penn State Research FoundationInventors: Benjamin R. Bunes, Leonard Cardillo, Douglas Later, Ling Zang, Douglas H. Werner, Ronald Jenkins, Micah D. Gregory
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Patent number: 11759118Abstract: According to one embodiment, a magnetic sensor includes a first sensor part, and a conductive member. The first sensor part includes a first magnetic element, a first side magnetic part, and a first counter side magnetic part. The conductive member includes a first corresponding portion along the first magnetic element. The first magnetic element includes a first magnetic layer, a first counter magnetic layer, a direction from the first magnetic layer toward the first counter magnetic layer being along a first direction, and a first intermediate magnetic layer located between the first magnetic layer and the first counter magnetic layer. The first side magnetic part includes a first side magnetic layer. The first counter side magnetic part includes a first counter side magnetic layer. The first intermediate magnetic layer is between the first side magnetic layer and the first counter side magnetic layer in a second direction.Type: GrantFiled: August 12, 2021Date of Patent: September 19, 2023Assignee: Kabushiki Kaisha ToshibaInventors: Hitoshi Iwasaki, Satoshi Shirotori, Akira Kikitsu, Yoshihiro Higashi
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Patent number: 11761944Abstract: Disclosed is an exploration method and system for pegmatite veins. The exploration method includes: three grounding electrodes are arranged at each observation point in a target area where pegmatite veins are located, and collecting electric field differences between two groups of grounding electrodes; drawing a multi-channel map, based on positions of the grounding electrodes, according to the electric field differences; obtaining resistivity variation characteristics of pegmatite veins according to the transverse variation of multi-channel map, and determining locations and lithologic characteristics of pegmatite veins according to the resistivity variation characteristics. Through functional modules with different functions, an exploration system is formed to realize the exploration method mentioned in the application.Type: GrantFiled: November 21, 2022Date of Patent: September 19, 2023Assignee: INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCESInventors: Nannan Zhou, Guoqiang Xue, Shun Zhang, Xinhao Wei
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Patent number: 11754619Abstract: The present disclosure provides a probing apparatus for semiconductor devices using pressurized fluid to control the testing conditions. The probing apparatus includes a housing configured to define a testing chamber; a device holder positioned on the housing and configured to hold and support at least one device under test; a platen positioned on the housing and configured to retain at least one probe; a card holder positioned on the platen and configured to hold a probe card including the probe; and at least one flow line positioned in the card holder. The flow line is configured to flow a fluid therein to adjust the temperature of the device under test.Type: GrantFiled: January 11, 2021Date of Patent: September 12, 2023Assignee: STAR TECHNOLOGIES, INC.Inventors: Choon Leong Lou, Chen-Wen Pan, Jung-Chieh Liu
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Patent number: 11754646Abstract: The present disclosure provides magnetic sensor system that includes a magnetic sensor package comprising a magnetic single turn sensor and a magnetic multi-turn sensor, and a shield arrangement for shielding the magnetic sensor from stray magnetic fields. The shielding arrangement comprises a ferromagnetic tube that houses one or more magnets and connects to an end of rotating shaft, such that rotation of the shaft causes a corresponding rotation of the ferromagnetic tube and magnets. The magnetic sensor package is positioned on a surface of a PCB substrate, which is positioned in close proximity to the ferromagnetic tube and magnet arrangement. A shielding device is then arranged in close proximity to the magnetic sensor package, for example, on the opposite side of the PCB substrate or directly between the PCB substrate and the ferromagnetic tube, to provide additional shielding of any stray magnetic fields.Type: GrantFiled: March 7, 2022Date of Patent: September 12, 2023Assignee: Analog Devices International Unlimited CompanyInventors: Jochen Schmitt, Enno Lage, Michael Joseph Browne
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Patent number: 11747295Abstract: In one or more embodiments, one or more systems, one or more methods, and/or one or more processes may measure at least one of a first height value and a first width value of a first eye diagram of a first signal; measure at least one of a second height value and a second width value of a second eye diagram of a second signal; determine at least one of a height difference value and a width difference value respectively between the at least one of the first height value and the first width value of the first eye diagram and the at least one of the second height value and the second width value of the second eye diagram; and determine that the at least one of the height difference value and the width difference value respectively meets or exceeds a height threshold value or a width threshold value.Type: GrantFiled: October 18, 2021Date of Patent: September 5, 2023Assignee: Dell Products L.P.Inventors: Bhyrav Mutnury, Umesh Chandra
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Patent number: 11747409Abstract: A magnetic sensor includes a magnetic field conversion unit that outputs an output magnetic field, a magnetic field detection unit that the output magnetic field can be applied, and a magnetic shield that shields external magnetic fields. The length of the magnetic field conversion unit in the third direction is greater than the length in the second direction. The magnetic shield overlaps the magnetic field conversion unit and the magnetic field detection unit. The magnetic field detection unit includes a Wheatstone bridge circuit in which a first bridge circuit including first and second magnetic field detection units and a second bridge circuit including third and fourth magnetic field detection units are connected in parallel. The first through fourth magnetic field detection units include two magnetoresistive units, and two of the magnetoresistive units have magnetoresistive effect elements that include magnetization fixed layers whose magnetization directions differ from each other.Type: GrantFiled: December 16, 2021Date of Patent: September 5, 2023Assignee: TDK CorporationInventor: Takafumi Kobayashi
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Patent number: 11747411Abstract: A magnetic sensing circuit includes a circuit portion including: a main half-bridge including series-connected main tunnel magnetoresistive sensor elements TMR1 and TMR2; a first auxiliary half-bridge connected in parallel to the main half-bridge and including series-connected auxiliary tunnel magnetoresistive sensor elements TMR3 and TMR4 with an output voltage emerging from the connection between TMR1 and TMR3 and between TMR2 and TMR4; wherein a reference magnetization of the magnetoresistive sensor element TMR1 and TMR3 are respectively oriented substantially antiparallel with respect to a reference magnetization of the magnetoresistive sensor element TMR2 and TMR4; and wherein said first auxiliary half-bridge has a sensing axis that differs from the sensing axis of the main half bridge by an angle of about 180°/n, where n is the harmonic number to be canceled. The magnetic sensing circuit allows for sensing of external magnetic fields having high magnitude, with reduced angular error.Type: GrantFiled: November 29, 2019Date of Patent: September 5, 2023Assignee: CROCUS TECHNOLOGY SAInventors: Andrey Timopheev, Romain Foissac
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Patent number: 11739634Abstract: A drilling system and a method of drilling a wellbore in an earth formation. A first antenna is disposed at a first location near a drill string. A second antenna is disposed at a second location of the drill string. The first antenna has a first specific moment. One of the first antenna and the second antenna is operated as a transmitter that transmits a transmitted signal, and the other is operated as a receiver that receives a received signal in response to the transmitted signal. The processor determines a property of an earth formation from the received signal.Type: GrantFiled: August 12, 2021Date of Patent: August 29, 2023Assignee: BAKER HUGHES OILFIELD OPERATIONS LLCInventors: Andreas Hartmann, Jens Behnsen, Kersten Kraft, David Boesing