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11.发明公开公开(公告)号：US20240263973A1
公开(公告)日：2024-08-08
申请号：US18625258
申请日：2024-04-03
Applicant: Infineon Technologies AG
Abstract: A rotation sensor system includes a rotatable target object configured to rotate about a rotational axis in a rotation direction; a first millimeter-wave (mm-wave) metamaterial track coupled to the rotatable target object, where the first mm-wave metamaterial track is arranged around the rotational axis, and where the first mm-wave metamaterial track includes a first array of elementary structures having at least one first characteristic that changes around a perimeter of the first mm-wave metamaterial track; at least one transmitter configured to transmit a first electro-magnetic transmit signal towards the first mm-wave metamaterial track, where the first mm-wave metamaterial track converts the first electro-magnetic transmit signal into a first electro-magnetic receive signal; at least one receiver configured to receive the first electro-magnetic receive signal; and at least one processor configured to determine a rotational parameter of the rotatable target object based on the received first electro-magnetic receive signal.
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公开(公告)号：US20240167815A1
公开(公告)日：2024-05-23
申请号：US18465666
申请日：2023-09-12
Applicant: Infineon Technologies AG
Abstract: A sensor system includes a first flexible substrate configured to undergo a deformation in response to a force applied to the first flexible substrate or an environmental condition to which the first flexible substrate is exposed; a first metamaterial layer mechanically coupled to the first flexible substrate, wherein the first metamaterial layer comprises a first array of conductive elements that are mutually coupled by a first strain-dependent coupling that changes based on the deformation of the first flexible substrate; at least one transmitter configured to transmit a first electromagnetic transmit wave towards the first metamaterial layer, wherein the first metamaterial layer is configured to convert the first electromagnetic transmit wave into a first electromagnetic receive wave based on the first strain-dependent coupling; and at least one receiver configured to receive the first electromagnetic receive wave and acquire a first measurement of a first property of the first electromagnetic receive wave.
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公开(公告)号：US20220404136A1
公开(公告)日：2022-12-22
申请号：US17304441
申请日：2021-06-21
Applicant: Infineon Technologies AG
Inventor： Dirk HAMMERSCHMIDT
Abstract: In some implementations, an angle sensor may determine an angular position of an object based on first sensor values received from a first set of sensing elements. The first sensor values include a first x-component of a magnetic field and a first y-component of the magnetic field. The angle sensor may determine the angular position of the object based on second sensor values received from a second set of sensing elements. The second sensor values include a second x-component of the magnetic field and a second y-component of the magnetic field. The angle sensor may perform a set of safety checks, including performing an x-component check based on the first x-component and the second x-component and performing a y-component check based on the first y-component and the second y-component. The angle sensor may provide an indication of a result of the set of safety checks.
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公开(公告)号：US20220353108A1
公开(公告)日：2022-11-03
申请号：US17761300
申请日：2020-09-09
Applicant: Infineon Technologies AG
Inventor： Christof MICHENTHALER , Leo AICHRIEDLER , Thomas HAFNER , Dirk HAMMERSCHMIDT
IPC: H04L12/413 , H04L12/403
Abstract: A method and slave devices are disclosed in which an address assignment to slave devices takes place with the aid of a collision detection.
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公开(公告)号：US20220196434A1
公开(公告)日：2022-06-23
申请号：US17542895
申请日：2021-12-06
Applicant: Infineon Technologies AG
Inventor： Joo ll PARK , Dirk HAMMERSCHMIDT , Hyun Jeong KIM
IPC: G01D5/14
Abstract: The present disclosure relates to an apparatus for position detection, including a multipole magnet with pole pairs extending along a multipole extension direction, a magnetoresistive sensor including a first sensor bridge sensitive for a first in-plane magnetic field component and a second sensor bridge sensitive for a second in-plane magnetic field component, wherein the first sensor bridge and the second sensor bridge are arranged in-plane and are spaced apart along a sensor axis, wherein the multipole extension direction and the sensor axis are rotated by a rotation angle larger than 20° and less than 70° to each other.
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Patent Agency Ranking
公开(公告)号：US20220090906A1
公开(公告)日：2022-03-24
申请号：US17540417
申请日：2021-12-02
Applicant: Infineon Technologies AG
Inventor： Dirk HAMMERSCHMIDT
Abstract: A magnetic angle sensor system includes a first magnetic sensor configured to generate a first sensor signal, a second magnetic sensor configured to generate a second sensor signal, and at least one signal processor configured to: generate an angle signal including an angular value corresponding to an orientation of a magnetic field based on the first sensor signal and the second sensor signal; generate a vector length signal comprising a plurality of vector lengths corresponding to the first sensor signal and the second sensor signal; and extract at least one spectral component of the vector length signal, the at least one spectral component being indicative of a vector length variance between at least two consecutively sampled vector lengths of the plurality of vector lengths.
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公开(公告)号：US20220069838A1
公开(公告)日：2022-03-03
申请号：US17003147
申请日：2020-08-26
Applicant: Infineon Technologies AG
Inventor： Dirk HAMMERSCHMIDT
Abstract: A sigma delta (SD) pulse-width modulation (PWM) loop includes a loop filter implementing a linear transfer function to generate a loop filter signal, wherein the loop filter is configured to receive an input signal and a first feedback signal and generate the loop filter signal based on the input signal, the first feedback signal, and the linear transfer function; and a hysteresis comparator coupled to an output of the loop filter, the hysteresis comparator configured to receive the loop filter signal and generate a sigma delta PWM signal based on the loop filter signal, wherein the first feedback signal is derived from the sigma delta PWM signal.
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公开(公告)号：US20210255255A1
公开(公告)日：2021-08-19
申请号：US17246820
申请日：2021-05-03
Applicant: Infineon Technologies AG
Inventor： Dirk HAMMERSCHMIDT , Armin SATZ , Juergen ZIMMER
Abstract: A method for generating a closed flux magnetization pattern of a predetermined rotational direction in a magnetic reference layer of a magnetic layer stack is provided. The method includes applying an external magnetic field in a predetermined direction to the magnetic layer stack causing magnetic saturation of the magnetic reference layer and of a pinned layer of the magnetic layer stack; and reducing the external magnetic field to form a first closed flux magnetization pattern in the magnetic reference layer and a second closed flux magnetization pattern in the pinned layer.
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公开(公告)号：US20210247466A1
公开(公告)日：2021-08-12
申请号：US16788704
申请日：2020-02-12
Applicant: Infineon Technologies AG
Inventor： Dirk HAMMERSCHMIDT , Udo HAFNER , Benjamin KOLLMITZER
Abstract: An autocalibration method includes generating at least one sensor signal in response to measuring a physical quantity; compensating the at least one sensor signal based on at least one compensation parameter to generate at least one compensated sensor signal; generating the at least one compensation parameter based on the at least one sensor signal or the at least one compensated sensor signal; comparing each of the at least one compensation parameter to a respective tolerance range; on a condition that each of the at least one compensation parameter is within its respective tolerance range, transmitting the at least one compensation parameter as at least one validated compensation parameter to be used for compensating the at least one sensor signal; and on a condition that at least one of the at least one compensation parameter is not within its respective tolerance range, generating a fault detection signal.
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公开(公告)号：US20210041485A1
公开(公告)日：2021-02-11
申请号：US16944281
申请日：2020-07-31
Applicant: Infineon Technologies AG
Inventor： Dirk HAMMERSCHMIDT , Robert HERMANN
Abstract: The present disclosure relates to a current measuring system. The current measuring system includes a busbar, a magnetic field sensor chip encased by a sensor housing, wherein a geometry of the sensor housing is independent of a geometry of the busbar; and an adapter piece for receiving the sensor housing, said adapter piece being adapted to the geometry of the busbar, wherein the adapter piece is fixable to the busbar, wherein the magnetic field sensor chip is fixed in a predetermined measurement position when the sensor housing is received into the fixed adapter piece.
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