Patents by Inventor Franz Michael Darrer
Franz Michael Darrer 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: 11835710Abstract: A scanning system includes a microelectromechanical system (MEMS) scanning structure configured with a desired rotational mode of movement based on a driving signal; a plurality of comb-drives configured to drive the MEMS scanning structure according to the desired rotational mode of movement based on the driving signal, each comb-drive including a rotor comb electrode and a stator comb electrode that form a capacitive element that has a capacitance that depends on the deflection angle of the MEMS scanning structure; a driver configured to generate the at least one driving signal; a sensing circuit selectively coupled to at least a subset of the plurality of comb-drives for receiving sensing signals therefrom, wherein each sensing signal is representative of the capacitance of a corresponding comb-drive; and a processing circuit configured to determine a scanning direction of the MEMS scanning structure in the desired rotational mode of movement based on the sensing signals.Type: GrantFiled: December 15, 2020Date of Patent: December 5, 2023Assignee: Infineon Technologies AGInventors: David Brunner, Stephan Gerhard Albert, Franz Michael Darrer, Georg Schitter, Richard Schroedter, Han Woong Yoo
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Patent number: 11782263Abstract: An oscillator system includes an electrostatic oscillator structure configured to oscillate about an axis based on a deflection that varies over time; an actuator configured to drive the electrostatic oscillator structure about the axis, the actuator including a first capacitive element having a first capacitance dependent on the deflection and a second capacitive element having a second capacitance dependent on the deflection; a sensing circuit configured to receive a first displacement current from the first capacitive element and a second displacement current from the second capacitive element, to integrate the first displacement current to generate a first capacitive charge value, and to integrate the second displacement current to generate a second capacitive charge value; and a measurement circuit configured to receive the first and the second capacitive charge values and to measure the deflection of the electrostatic oscillator structure based on the first and the second capacitive charge values.Type: GrantFiled: June 28, 2022Date of Patent: October 10, 2023Assignee: Infineon Technologies AGInventors: Richard Schroedter, Han Woong Yoo, David Brunner, Georg Schitter, Franz Michael Darrer, Marcus Edward Hennecke
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Patent number: 11698311Abstract: A torque measurement system includes an outer rotational shaft and an inner rotational shaft both configured to rotate about a rotational axis. A rotation of the inner rotational shaft causes a rotation of the outer rotational shaft via a coupling structure. At least one torque applied to the inner rotational shaft is translated into a first torque-dependent angular shift between the shafts. A first metamaterial track is coupled to the outer rotational shaft and configured to co-rotate with the outer rotational shaft. A second metamaterial track is coupled to the inner rotational shaft and configured to co-rotate with the inner rotational shaft. The tracks are configured to convert an electro-magnetic transmit signal into a first electro-magnetic receive signal based on the first torque-dependent angular shift and a receiver is configured to receive the electro-magnetic receive signal and measure the at least one torque based on the electro-magnetic receive signal.Type: GrantFiled: October 25, 2021Date of Patent: July 11, 2023Assignee: Infineon Technologies AGInventors: Alexander Schossmann, Alexander Bergmann, Franz Michael Darrer, Dirk Hammerschmidt, Christof Michenthaler
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Patent number: 11675060Abstract: A receiver for a light detection and ranging system includes detecting elements, each configured to convert light into an analog detection signal. The receiver includes a first converting element configured to provide a first digital detection signal in response to a first analog detection signal. The first converting element is configured to use a first number of bits to represent the first analog detection signal. The receiver includes a second converting element configured to provide a second digital detection signal. The second converting element is configured to use a second number of bits to represent the second analog detection signal. The second number of bits is greater than the first number of bits. The receiver comprises a processing module configured to determine a first parameter of an object using the first digital detection signal and a second parameter of the object using the second digital detection signal.Type: GrantFiled: May 27, 2020Date of Patent: June 13, 2023Assignee: Infineon Technologies AGInventors: Stefan Mendel, Franz Michael Darrer, Thomas Gigl, Michiel Helsloot, Boris Kirillov, Francesco Secli, Christoph Steiner
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Patent number: 11668924Abstract: An oscillator control system includes an non-linear oscillator structure configured to oscillate about an axis; a driver circuit configured to generate a driving signal to drive the oscillator structure; a detection circuit configured to measure an angle amplitude and a phase error of the oscillator structure; an amplitude controller configured to generate a reference oscillator period based on the measured angle amplitude; a period and phase controller configured to receive the reference oscillator period and the measured phase error from the detection circuit, generate at least one control parameter of the driving signal based on the reference oscillator period and the measured phase error, and determine a driving period of the driving signal based on the reference oscillator period and the measured phase error. The driver circuit is configured to generate the driving signal based on the at least one control parameter and the driving period.Type: GrantFiled: January 22, 2020Date of Patent: June 6, 2023Assignee: Infineon Technologies AGInventors: David Brunner, Franz Michael Darrer, Georg Schitter
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Patent number: 11662443Abstract: A method for determining malfunction is provided. The method includes receiving a 1D or 2D luminance image of a scene from a time-of-flight based 3D-camera. The luminance image includes one or more pixels representing intensities of background light received by an image sensor of the 3D-camera. The method further includes receiving a 2D optical image of the scene from an optical 2D-camera and comparing the luminance image to the optical image. If the luminance image does not match the optical image, the method additionally includes determining malfunction of one of the 3D-camera and the 2D-camera.Type: GrantFiled: June 24, 2020Date of Patent: May 30, 2023Assignee: Infineon Technologies AGInventors: Franz Michael Darrer, Martin Graefling, Boris Kirillov, Stefan Mendel, Christoph Steiner
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Publication number: 20230131760Abstract: A torque measurement system includes an outer rotational shaft and an inner rotational shaft both configured to rotate about a rotational axis. A rotation of the inner rotational shaft causes a rotation of the outer rotational shaft via a coupling structure. At least one torque applied to the inner rotational shaft is translated into a first torque-dependent angular shift between the shafts. A first metamaterial track is coupled to the outer rotational shaft and configured to co-rotate with the outer rotational shaft. A second metamaterial track is coupled to the inner rotational shaft and configured to co-rotate with the inner rotational shaft. The tracks are configured to convert an electro-magnetic transmit signal into a first electro-magnetic receive signal based on the first torque-dependent angular shift and a receiver is configured to receive the electro-magnetic receive signal and measure the at least one torque based on the electro-magnetic receive signal.Type: ApplicationFiled: October 25, 2021Publication date: April 27, 2023Applicant: Infineon Technologies AGInventors: Alexander SCHOSSMANN, Alexander BERGMANN, Franz Michael DARRER, Dirk HAMMERSCHMIDT, Christof MICHENTHALER
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Patent number: 11597243Abstract: A tire-pressure monitoring system (TPMS) sensor module comprises a pressure sensor, which is configured to measure an internal air pressure of a tire and to generate tire pressure information, an additional, optional sensor, a transmitting/receiving device, a microcontroller unit which is configured to operate the TPMS sensor module in one of three or more different operating modes, wherein a first operating mode includes an inactive standby state, a second operating mode includes a measurement of a physical parameter using the pressure sensor and/or the additional sensor and reading the pressure sensor and/or the additional sensor using the microcontroller unit, and a third operating mode, and wherein in the second operating mode the microcontroller unit is configured to initiate a changeover from the second operating mode to the third operating mode when reading out a specified measurement event.Type: GrantFiled: July 22, 2021Date of Patent: March 7, 2023Assignee: Infineon Technologies AGInventors: Christoph Steiner, Michael Kandler, Matthias Eberl, Franz Michael Darrer
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Publication number: 20230051926Abstract: An oscillator control system includes an oscillator structure configured to oscillate about first and second rotation axes according to a Lissajous pattern, wherein an oscillation about the second rotation axis imparts a cross-coupling error onto an oscillation about the first rotation axis, and wherein the cross-coupling error changes in accordance with a Lissajous position within the Lissajous pattern; and a driver circuit that includes a phase-locked loop (PLL) configured to regulate a driving signal that drives the oscillation about the first rotation axis. The PLL is configured to generate a PLL signal based on a phase error of the oscillation about the first rotation axis. The PLL includes a compensation circuit configured to receive the PLL signal and the Lissajous position within the Lissajous pattern, apply a compensation value to the PLL signal to generate a compensated PLL signal used for generating the driving signal based on the Lissajous position.Type: ApplicationFiled: August 16, 2021Publication date: February 16, 2023Applicant: Infineon Technologies AGInventors: Norbert Druml, Stephan Gerhard Albert, Franz Michael Darrer, Philipp Greiner
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Patent number: 11531093Abstract: There are disclosed techniques for laser scanning control. A system includes control equipment to perform a coordinated scanning control by controlling: a mirror driver, to drive a mirror along desired mirror positions through a motion mirror control signal; and a laser driver, to generate laser light pulses to be impinged onto the mirror at the desired mirror positions through a pulse trigger control signal. The control equipment includes a motion estimator to provide estimated motion information based on feedback motion measurement(s), to generate the pulse trigger control signal by adapting a desired scheduling, for triggering the laser light pulses, to the estimated motion information.Type: GrantFiled: June 2, 2020Date of Patent: December 20, 2022Assignee: Infineon Technologies AGInventors: Franz Michael Darrer, David Brunner, Georg Schitter, Han Woong Yoo
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Publication number: 20220334377Abstract: An oscillator system includes an electrostatic oscillator structure configured to oscillate about an axis based on a deflection that varies over time; an actuator configured to drive the electrostatic oscillator structure about the axis, the actuator including a first capacitive element having a first capacitance dependent on the deflection and a second capacitive element having a second capacitance dependent on the deflection; a sensing circuit configured to receive a first displacement current from the first capacitive element and a second displacement current from the second capacitive element, to integrate the first displacement current to generate a first capacitive charge value, and to integrate the second displacement current to generate a second capacitive charge value; and a measurement circuit configured to receive the first and the second capacitive charge values and to measure the deflection of the electrostatic oscillator structure based on the first and the second capacitive charge values.Type: ApplicationFiled: June 28, 2022Publication date: October 20, 2022Applicant: Infineon Technologies AGInventors: Richard SCHROEDTER, Han Woong YOO, David BRUNNER, Georg SCHITTER, Franz Michael DARRER, Marcus Edward HENNECKE
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Patent number: 11467394Abstract: An oscillator system includes an electrostatic oscillator structure configured to oscillate about an axis based on a deflection that varies over time; an actuator configured to drive the electrostatic oscillator structure about the axis, the actuator including a first capacitive element having a first capacitance dependent on the deflection and a second capacitive element having a second capacitance dependent on the deflection; a sensing circuit configured to receive a first displacement current from the first capacitive element and a second displacement current from the second capacitive element, to integrate the first displacement current to generate a first capacitive charge value, and to integrate the second displacement current to generate a second capacitive charge value; and a measurement circuit configured to receive the first and the second capacitive charge values and to measure the deflection of the electrostatic oscillator structure based on the first and the second capacitive charge values.Type: GrantFiled: February 28, 2020Date of Patent: October 11, 2022Assignee: Infineon Technologies AGInventors: Richard Schroedter, Han Woong Yoo, David Brunner, Georg Schitter, Franz Michael Darrer, Marcus Edward Hennecke
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Publication number: 20220187590Abstract: A scanning system includes a microelectromechanical system (MEMS) scanning structure configured with a desired rotational mode of movement based on a driving signal; a plurality of comb-drives configured to drive the MEMS scanning structure according to the desired rotational mode of movement based on the driving signal, each comb-drive including a rotor comb electrode and a stator comb electrode that form a capacitive element that has a capacitance that depends on the deflection angle of the MEMS scanning structure; a driver configured to generate the at least one driving signal; a sensing circuit selectively coupled to at least a subset of the plurality of comb-drives for receiving sensing signals therefrom, wherein each sensing signal is representative of the capacitance of a corresponding comb-drive; and a processing circuit configured to determine a scanning direction of the MEMS scanning structure in the desired rotational mode of movement based on the sensing signals.Type: ApplicationFiled: December 15, 2020Publication date: June 16, 2022Applicant: Infineon Technologies AGInventors: David BRUNNER, Stephan Gerhard ALBERT, Franz Michael DARRER, Georg SCHITTER, Richard SCHROEDTER, Han Woong YOO
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Patent number: 11300778Abstract: A MEMS device includes a body pivoting around a pivot axis, a support, and a suspension structure mechanically coupling the body to the support. The suspension structure includes a torsion element defining the pivot axis, and first and second spring elements extending with an angle relative to the pivot axis on opposing sides of the torsion element so that a distance between at least portions of the first and second spring elements is changing in the direction of the pivot axis. The extension of the first and second spring elements in the direction of the pivot axis is larger than the extension of the torsion element in the direction of the pivot axis.Type: GrantFiled: May 17, 2019Date of Patent: April 12, 2022Inventors: Stephan Gerhard Albert, Franz Michael Darrer, Marcus Edward Hennecke, Hendrikus Van Lierop
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Publication number: 20220043254Abstract: A method comprises applying a driver voltage to an electrostatic comb drive of an MEMS apparatus and overlaying the driver voltage with a periodic voltage signal. The method further comprises determining a torsion angle of a mirror body of the MEMS apparatus based on the periodic voltage signal.Type: ApplicationFiled: July 21, 2021Publication date: February 10, 2022Inventor: Franz Michael DARRER
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Publication number: 20220041021Abstract: A tire-pressure monitoring system (TPMS) sensor module comprises a pressure sensor, which is configured to measure an internal air pressure of a tire and to generate tire pressure information, an additional, optional sensor, a transmitting/receiving device, a microcontroller unit which is configured to operate the TPMS sensor module in one of three or more different operating modes, wherein a first operating mode includes an inactive standby state, a second operating mode includes a measurement of a physical parameter using the pressure sensor and/or the additional sensor and reading the pressure sensor and/or the additional sensor using the microcontroller unit, and a third operating mode, and wherein in the second operating mode the microcontroller unit is configured to initiate a changeover from the second operating mode to the third operating mode when reading out a specified measurement event.Type: ApplicationFiled: July 22, 2021Publication date: February 10, 2022Inventors: Christoph STEINER, Michael KANDLER, Matthias EBERL, Franz Michael DARRER
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Publication number: 20220028764Abstract: A semiconductor device comprises a semiconductor chip and an electrically conductive chip carrier, wherein the semiconductor chip is mounted on the chip carrier. The semiconductor device furthermore comprises an electrically conductive extension element mechanically connected to the chip carrier, wherein the extension element and the chip carrier are formed as an integral single piece. A part of the chip carrier which has the extension element is configured as an antenna.Type: ApplicationFiled: July 16, 2021Publication date: January 27, 2022Inventors: Eduardo SCHITTLER NEVES, Rainer Markus SCHALLER, Matthias EBERL, Franz Michael DARRER
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Publication number: 20210271072Abstract: An oscillator system includes an electrostatic oscillator structure configured to oscillate about an axis based on a deflection that varies over time; an actuator configured to drive the electrostatic oscillator structure about the axis, the actuator including a first capacitive element having a first capacitance dependent on the deflection and a second capacitive element having a second capacitance dependent on the deflection; a sensing circuit configured to receive a first displacement current from the first capacitive element and a second displacement current from the second capacitive element, to integrate the first displacement current to generate a first capacitive charge value, and to integrate the second displacement current to generate a second capacitive charge value; and a measurement circuit configured to receive the first and the second capacitive charge values and to measure the deflection of the electrostatic oscillator structure based on the first and the second capacitive charge values.Type: ApplicationFiled: February 28, 2020Publication date: September 2, 2021Applicant: Infineon Technologies AGInventors: Richard SCHROEDTER, Han Woong YOO, David BRUNNER, Georg SCHITTER, Franz Michael DARRER, Marcus Edward HENNECKE
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Publication number: 20210223536Abstract: An oscillator control system includes an non-linear oscillator structure configured to oscillate about an axis; a driver circuit configured to generate a driving signal to drive the oscillator structure; a detection circuit configured to measure an angle amplitude and a phase error of the oscillator structure; an amplitude controller configured to generate a reference oscillator period based on the measured angle amplitude; a period and phase controller configured to receive the reference oscillator period and the measured phase error from the detection circuit, generate at least one control parameter of the driving signal based on the reference oscillator period and the measured phase error, and determine a driving period of the driving signal based on the reference oscillator period and the measured phase error. The driver circuit is configured to generate the driving signal based on the at least one control parameter and the driving period.Type: ApplicationFiled: January 22, 2020Publication date: July 22, 2021Applicant: Infineon Technologies AGInventors: David BRUNNER, Franz Michael DARRER, Georg SCHITTER
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Patent number: 11065922Abstract: Embodiments provide a tire pressure measurement device that includes an electromechanical transducer configured to convert mechanical energy from tire deformation of a tire into electrical energy for powering the tire pressure measurement device; and an energy harvesting circuit configured to receive and store the electrical energy from the electromechanical transducer, where the energy harvesting circuit is further configured to supply the stored electrical energy to the tire pressure measurement device.Type: GrantFiled: November 6, 2019Date of Patent: July 20, 2021Inventors: Franz Michael Darrer, Walter Schuchter