Patents by Inventor Leo Aichriedler
Leo Aichriedler has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10721007Abstract: Systems, methods, and apparatuses are discussed that enable robust, high-speed communication of sensor data. One example system includes a sensor bus, an electronic control unit (ECU), and one or more sensors. The ECU is coupleable to the sensor bus and configured to generate a synchronization signal, and is configured to output the synchronization signal to the sensor bus. The one or more sensors are also coupleable to the sensor bus, and at least one sensor of the one or more sensors is configured to sample sensor data in response to the synchronization signal and to output the sampled sensor data to the sensor bus.Type: GrantFiled: September 17, 2018Date of Patent: July 21, 2020Assignee: Infineon Technologies AGInventor: Leo Aichriedler
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Patent number: 10704933Abstract: A sensor arrangement includes a sensor element and a magnet module. The sensor element is configured to measure a magnetic field and is positioned within a shaft. The shaft is configured to shield the magnet module and the sensor element. The magnet module is configured to generate the magnetic field. The sensor element is at least partially positioned within the shaft.Type: GrantFiled: September 2, 2014Date of Patent: July 7, 2020Assignee: Infineon Technologies AGInventors: Leo Aichriedler, Peter Slama
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Patent number: 10704926Abstract: A sensor arrangement having a rotatable driving shaft extending along a rotation axis and comprising a bore extending from a first end face of the shaft along the rotation axis; a magnet arranged at least partially within the bore and coupled to the driving shaft, the magnet configured to generate a magnetic field within the bore; a sensor element arranged at least partially within the bore, and configured to sense a rotation of the magnetic field in response to rotation of the driving shaft; and a magneto-static shield arranged to surround the magnet and the sensor element, wherein the magneto-static shield is stationary with respect to the driving shaft.Type: GrantFiled: November 7, 2016Date of Patent: July 7, 2020Assignee: Infineon Technologies AGInventors: Leo Aichriedler, Peter Slama, Udo Ausserlechner
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Patent number: 10699976Abstract: A semiconductor module includes a semiconductor die, a mold compound encasing the semiconductor die, a plurality of terminals electrically connected to the semiconductor die and protruding out of the mold compound, wherein a first one of the terminals has a constricted region covered by the mold compound, wherein the mold compound has a recess or an opening near the constricted region of the first terminal, and a coreless magnetic field sensor disposed in the recess or the opening of the mold compound and isolated from the first terminal by the mold compound. The coreless magnetic sensor is configured to generate a signal in response to a magnetic field produced by current flowing in the constricted region of the first terminal. The magnitude of the signal is proportional to the amount of current flowing in the constricted region of the first terminal. A method of manufacturing the module also is described.Type: GrantFiled: January 29, 2019Date of Patent: June 30, 2020Assignee: Infineon Technologies AGInventors: Juergen Hoegerl, Leo Aichriedler, Christian Schweikert, Gerald Wriessnegger
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Patent number: 10690523Abstract: A sensor arrangement is provided. The sensor arrangement includes a rotatable shaft extending along a rotation axis; a magnet module coupled to the rotatable shaft configured to generate a magnetic field; and a sensing element configured to sense a rotating magnetic field caused by the magnet module upon rotation of the rotatable shaft around the rotation axis. The rotatable shaft includes a bore extending within a shaft end portion along the rotation axis. The magnet module is coupled to at least one face of the bore and configured to generate the magnetic field within the bore. The sensing element has a sensitive spot, the sensitive spot being arranged within the bore and exposed to the rotating magnetic field.Type: GrantFiled: March 15, 2019Date of Patent: June 23, 2020Assignee: Infineon Technologies AGInventors: Leo Aichriedler, Udo Ausserlechner, Peter Slama
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Patent number: 10677617Abstract: A sensor arrangement includes a sensor element and a magnet module. The sensor element is configured to measure a magnetic field and is positioned within a shaft. The shaft is configured to shield the magnet module and the sensor element. The magnet module is configured to generate the magnetic field. The sensor element is at least partially positioned within the shaft.Type: GrantFiled: March 2, 2016Date of Patent: June 9, 2020Assignee: Infineon Technologies AGInventors: Udo Ausserlechner, Leo Aichriedler, Peter Slama
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Publication number: 20200127750Abstract: Systems, methods, and apparatuses are discussed that enable robust, high-speed communication of sensor data. One example system includes a sensor bus, an electronic control unit (ECU), and one or more sensors. The ECU is coupleable to the sensor bus and configured to generate a synchronization signal, and is configured to output the synchronization signal to the sensor bus. The one or more sensors are also coupleable to the sensor bus, and at least one sensor of the one or more sensors is configured to sample sensor data in response to the synchronization signal and to output the sampled sensor data to the sensor bus.Type: ApplicationFiled: December 17, 2019Publication date: April 23, 2020Inventor: Leo Aichriedler
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Patent number: 10581543Abstract: A sensor may determine, based on two or more synchronization signals provided by a control device, an expected time for receiving an upcoming synchronization signal. The sensor may perform a measurement of a sensor signal at a point in time such that sensor data, corresponding to the measurement of the sensor signal at the point in time, is available at a selectable time interval prior to reception of the upcoming synchronization signal.Type: GrantFiled: January 12, 2018Date of Patent: March 3, 2020Assignee: Infineon Technologies AGInventors: Leo Aichriedler, Christof Michenthaler
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Patent number: 10551216Abstract: A sensor arrangement and an e-bike that includes the sensor arrangement are provided. The sensor arrangement includes a rotatable driving shaft for an e-bike extending along a rotation axis and includes a bore extending from a first end face of the rotatable driving shaft along the rotation axis, a magnet module arranged within the bore and coupled to the rotatable driving shaft, the magnet module configured to generate a magnetic field within the bore, and at least one sensing element configured to sense a rotation of the magnetic field in response to rotation of the rotatable driving shaft.Type: GrantFiled: March 1, 2017Date of Patent: February 4, 2020Assignee: Infineon Technologies AGInventors: Leo Aichriedler, Udo Ausserlechner, Peter Slama
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Patent number: 10458819Abstract: A sensor arrangement includes a sensor element and a magnet module. The sensor element is configured to measure a magnetic field and is positioned within a shaft. The shaft is configured to shield the magnet module and the sensor element. The magnet module is configured to generate the magnetic field. The sensor element is at least partially positioned within the shaft.Type: GrantFiled: September 2, 2015Date of Patent: October 29, 2019Assignee: Infineon Technologies AGInventors: Leo Aichriedler, Udo Ausserlechner, Peter Slama
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Publication number: 20190296846Abstract: A sensor may determine a sampling pattern based on a group of synchronization signals received by the sensor. The sampling pattern may identify an expected time for receiving an upcoming synchronization signal. The sensor may trigger, based on the sampling pattern, a performance of a sensor operation associated with the upcoming synchronization signal. The performance of the sensor operation may be triggered before the upcoming synchronization signal is received.Type: ApplicationFiled: June 12, 2019Publication date: September 26, 2019Inventor: Leo AICHRIEDLER
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Patent number: 10415999Abstract: Rotational angle sensor systems and methods are provided for detecting an angular position of a movable structure. The movable structure may be configured to rotate about an axis of rotation between a first rotational position and a second rotational position. A magnet may have a magnetic field pattern with a magnetic field orientation and an angle sensor may be configured to detect the magnetic field pattern and generate one or more signals, based on the magnetic field orientation, corresponding to a rotational position of the movable structure. Additionally, a first one of the magnet and the angle sensor is configured to rotate about the axis of rotation relative to a second one of the magnet and the angle sensor that is rotationally fixed such that the magnetic field orientation changes relative to the angle sensor as the movable structure rotates about the axis of rotation.Type: GrantFiled: July 14, 2017Date of Patent: September 17, 2019Assignee: Infineon Technologies AGInventors: Leo Aichriedler, Peter Slama
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Patent number: 10385891Abstract: A magnetic sensor arrangement for determining a position of an actuator may include a magnetic sensor to determine the position of the actuator, where the actuator may be configured to reciprocate along a longitudinal axis of an actuator housing of the actuator, such that at least a portion of the actuator may cross an end plane of the actuator housing when reciprocating along the longitudinal axis, and the magnetic sensor may sense a set of components of a magnetic field generated by a magnet, and determine, based on the sensed set of components of the magnetic field, a position of the actuator along the longitudinal axis of the actuator housing of the actuator, where the magnet may be connected to or forms part of the actuator, and where the magnetic sensor may be connected to the actuator housing, and where a portion of the magnetic sensor may be positioned at least in a first actuator position beyond the end plane of the actuator housing.Type: GrantFiled: September 15, 2017Date of Patent: August 20, 2019Assignee: Infineon Technologies AGInventors: Peter Slama, Leo Aichriedler
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Publication number: 20190229640Abstract: A power module is provided that is configured to supply power to a load. The power module includes a current generator, a current rail, and a magnetic sensor. The current generator is configured to generate a current. The current rail is configured to receive the current and output the current from the power module. The current rail includes a first opening formed therethrough, and the current, while flowing along the current rail in an output direction, produces a magnetic field. The magnetic sensor is disposed in the first opening of the current rail, and is configured to generate a differential sensor signal based on the magnetic field impinging thereon. The current generator is further configured to regulate the current based on the differential sensor signal.Type: ApplicationFiled: January 24, 2018Publication date: July 25, 2019Applicant: Infineon Technologies AGInventors: LEO AICHRIEDLER, Gerald WRIESSNEGGER
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Publication number: 20190212173Abstract: A sensor arrangement is provided. The sensor arrangement includes a rotatable shaft extending along a rotation axis; a magnet module coupled to the rotatable shaft configured to generate a magnetic field; and a sensing element configured to sense a rotating magnetic field caused by the magnet module upon rotation of the rotatable shaft around the rotation axis. The rotatable shaft incudes a bore extending within a shaft end portion along the rotation axis. The magnet module is coupled to at least one face of the bore and configured to generate the magnetic field within the bore. The sensing element has a sensitive spot, the sensitive spot being arranged within the bore and exposed to the rotating magnetic field.Type: ApplicationFiled: March 15, 2019Publication date: July 11, 2019Applicant: Infineon Technologies AGInventors: Leo Aichriedler, Udo AUSSERLECHNER, Peter Slama
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Patent number: 10348430Abstract: A sensor may determine a sampling pattern based on a group of synchronization signals received by the sensor. The sampling pattern may identify an expected time for receiving an upcoming synchronization signal. The sensor may trigger, based on the sampling pattern, a performance of a sensor operation associated with the upcoming synchronization signal. The performance of the sensor operation may be triggered before the upcoming synchronization signal is received.Type: GrantFiled: August 31, 2017Date of Patent: July 9, 2019Assignee: Infineon Technologies AGInventor: Leo Aichriedler
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Publication number: 20190178682Abstract: A system is provided with a magnetic field sensor being positioned in a magnetic field of a magnet that is coupled to a rotatable driving shaft. The magnetic field sensor is configured to sense a rotation of the magnetic field in response to a rotation of the rotatable driving shaft, and generate an angle sensor signal based on an orientation angle of the magnetic field. The angle sensor signal includes angular values that represent an absolute orientation angle of the rotatable driving shaft. The system includes a memory storing a mapping of values of a patterned signal to the angular values, electronic circuitry configured to generate, based on the angular values and the stored mapping, the patterned signal, and a signal generator circuit configured to generate a signal representing the absolute orientation angle of the rotatable driving shaft based on the angle sensor signal.Type: ApplicationFiled: February 13, 2019Publication date: June 13, 2019Applicant: lnfineon Technologies AGInventors: Dietmar Spitzer, Peter Slama, Harald Witschnig, Leo Aichriedler, Friedrich Rasbornig
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Publication number: 20190085875Abstract: A magnetic sensor arrangement for determining a position of an actuator may include a magnetic sensor to determine the position of the actuator, where the actuator may be configured to reciprocate along a longitudinal axis of an actuator housing of the actuator, such that at least a portion of the actuator may cross an end plane of the actuator housing when reciprocating along the longitudinal axis, and the magnetic sensor may sense a set of components of a magnetic field generated by a magnet, and determine, based on the sensed set of components of the magnetic field, a position of the actuator along the longitudinal axis of the actuator housing of the actuator, where the magnet may be connected to or forms part of the actuator, and where the magnetic sensor may be connected to the actuator housing, and where a portion of the magnetic sensor may be positioned at least in a first actuator position beyond the end plane of the actuator housing.Type: ApplicationFiled: September 15, 2017Publication date: March 21, 2019Inventors: Peter SLAMA, Leo AICHRIEDLER
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Patent number: 10222234Abstract: A sensor device is provided with a magnetic field sensitive element being positioned in a magnetic field of a magnet. The magnet is positioned on an end face of a shaft. The magnetic field sensitive element is configured to sense an orientation angle of the magnetic field in the range between 0° and 360°. The shaft is one of a shaft of a transmission of a vehicle or a shaft of a brushless DC motor or a shaft of a wheel axle of a vehicle.Type: GrantFiled: June 17, 2014Date of Patent: March 5, 2019Assignee: Infineon Technologies AGInventors: Dietmar Spitzer, Peter Slama, Harald Witschnig, Leo Aichriedler, Friedrich Rasbornig
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Publication number: 20190058427Abstract: A motor drive circuit provides a drive signal to an electronically commutated motor. A control circuit the motor drive circuit based on calibration data. The calibration data indicate a relationship between an actual angular position of a rotor of the motor in response to the drive signal and an expected angular position of a rotor of an ideal motor in response to the drive signal.Type: ApplicationFiled: August 18, 2017Publication date: February 21, 2019Applicant: Infineon Technologies AGInventors: Thomas Hafner, Leo Aichriedler, Gerald Wriessnegger