Patents by Inventor Manuel Dorfmeister
Manuel Dorfmeister 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: 11830396Abstract: A display apparatus comprises a mirror oscillating about a first axis upon excitation by a first excitation signal and about a second axis upon excitation by a second excitation signal, a light source projecting a light beam onto the mirror for deflection towards an image plane, the light source being controller according to pixels read-out by an image processor from a buffer, a gaze tracker detecting a user's region of interest, ROI, within the image plane, and a controller modulating one of the excitation signals by a modulation signal which is dependent on the ROI such that the number of passes of the light beam per unit area is higher in the ROI than in a region outside thereof, wherein the number of pixels read-out per unit area by the image processor is higher in the ROI than in a region outside of the ROI.Type: GrantFiled: September 28, 2022Date of Patent: November 28, 2023Assignee: TriLite Technologies GmbHInventors: Franz Josef Maier, Manuel Dorfmeister, Joerg Reitterer, Louahab Noui
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Patent number: 11699371Abstract: A display apparatus comprises a mirror assembly, a first mirror of the mirror assembly oscillating about a first axis upon excitation by a first excitation signal and the first or a second mirror of the mirror assembly oscillating about a second axis upon excitation by a second excitation signal, a light source projecting a light beam onto the mirror assembly for deflection by the mirror assembly towards an image area, the light source being controlled according to pixels of image frames, a gaze tracker detecting a user's region of interest, ROI, within the image area, and a controller modulating one of the excitation signals by a first modulation signal which is dependent on the ROI detected by the gaze tracker.Type: GrantFiled: September 28, 2022Date of Patent: July 11, 2023Assignee: TriLite Technologies GmbHInventors: Franz Josef Maier, Manuel Dorfmeister, Joerg Reitterer, Louahab Noui
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Publication number: 20230110763Abstract: An apparatus for displaying a virtual scene comprises a display wearable on a user's head and a graphics controller configured to calculate, from scene data representing the virtual scene, image data for the display such that the virtual scene is displayed in the environment irrespective of the head's position and pointing direction, the virtual scene appearing in the image data in a region of scene, wherein the graphics controller is configured to modulate excitation signals of a Lissajous scanning mirror assembly, which diverts the light beam of a light source, by modulation signals which are dependent on the region of scene.Type: ApplicationFiled: September 28, 2022Publication date: April 13, 2023Applicant: TriLite Technologies GmbHInventors: Franz Josef MAIER, Manuel DORFMEISTER, Joerg REITTERER, Louahab NOUI
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Publication number: 20230112055Abstract: A display apparatus comprises a mirror assembly, a first mirror of the mirror assembly oscillating about a first axis upon excitation by a first excitation signal and the first or a second mirror of the mirror assembly oscillating about a second axis upon excitation by a second excitation signal, a light source projecting a light beam onto the mirror assembly for deflection by the mirror assembly towards an image area, the light source being controlled according to pixels of image frames, a gaze tracker detecting a user's region of interest, ROI, within the image area, and a controller modulating one of the excitation signals by a first modulation signal which is dependent on the ROI detected by the gaze tracker.Type: ApplicationFiled: September 28, 2022Publication date: April 13, 2023Applicant: TriLite Technologies GmbHInventors: Franz Josef MAIER, Manuel DORFMEISTER, Joerg REITTERER, Louahab NOUI
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Patent number: 11237090Abstract: A sensor element includes a membrane structure suspended on a frame structure, wherein the membrane structure includes a membrane element and an actuator. The membrane structure is deflectable in a first stable deflection state and in a second stable deflection state and is operable in a resonance mode in at least one of the first and the second stable deflection states. The actuator is configured to deflect the membrane structure in a first actuation state into one of the first and the second stable deflection states, and to operate the membrane structure in a second actuation state in a resonance mode having an associated resonance frequency.Type: GrantFiled: March 3, 2020Date of Patent: February 1, 2022Assignee: INFINEON TECHNOLOGIES AGInventors: Michael Schneider, Alfons Dehe, Manuel Dorfmeister, Christoph Glacer, Ulrich Krumbein, Ulrich Schmid, David Tumpold
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Publication number: 20200309665Abstract: A sensor element includes a membrane structure suspended on a frame structure, wherein the membrane structure includes a membrane element and an actuator. The membrane structure is deflectable in a first stable deflection state and in a second stable deflection state and is operable in a resonance mode in at least one of the first and the second stable deflection states. The actuator is configured to deflect the membrane structure in a first actuation state into one of the first and the second stable deflection states, and to operate the membrane structure in a second actuation state in a resonance mode having an associated resonance frequency.Type: ApplicationFiled: March 3, 2020Publication date: October 1, 2020Inventors: Michael Schneider, Alfons Dehe, Manuel Dorfmeister, Christoph Glacer, Ulrich Krumbein, Ulrich Schmid, David Tumpold
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Patent number: 10684163Abstract: An acoustic wave sensor may include: a continuous membrane deflectable by acoustic waves to be detected, and a piezoelectric layer provided on the membrane and including a plurality of piezoelectric layer portions respectively equipped with at least two individual electric contact structures configured to electrically connect the respective piezoelectric layer portions. Electric contact structures associated with different piezoelectric layer portions may be separated from each other.Type: GrantFiled: August 17, 2017Date of Patent: June 16, 2020Assignee: INFINEON TECHNOLOGIES AGInventors: Alfons Dehe, Manuel Dorfmeister, Ulrich Schmid, Michael Schneider
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Patent number: 10582304Abstract: Diaphragm element arrangements including at least one bistable diaphragm element, which has a first stable state and a second stable state, and corresponding methods are provided. The bistable diaphragm element can be activated above a changeover threshold in order to change over between the first and the second stable state or below the changeover threshold.Type: GrantFiled: November 12, 2018Date of Patent: March 3, 2020Assignee: INFINEON TECHNOLOGIES AGInventors: Alfons Dehe, Manuel Dorfmeister, Ulrich Schmid, Michael Schneider
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Patent number: 10516943Abstract: Aspects of a microelectromechanical device, an array of microelectromechanical devices, a method of manufacturing a microelectromechanical device, and a method of operating a microelectromechanical device, are discussed herein. The microelectromechanical device may include: a substrate; a diaphragm mechanically coupled to the substrate, the diaphragm comprising a stressed region to buckle the diaphragm into one of two geometrically stable positions; an actuator mechanically coupled to the diaphragm, the actuator comprising a piezoelectric layer over the diaphragm; a controller configured to provide an electrical control signal in response to a digital sound input; wherein the actuator is configured to receive the electrical control signal to exert a mechanical piezoelectric force on the diaphragm via the piezoelectric layer to move the diaphragm to create a sound wave.Type: GrantFiled: May 4, 2016Date of Patent: December 24, 2019Assignee: INFINEON TECHNOLOGIES AGInventors: Manuel Dorfmeister, Michael Schneider, Manfred Kaltenbacher, Alfons Dehe, Ursula Hedenig, Thomas Grille, Ulrich Schmid
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Patent number: 10462580Abstract: A microelectromechanical loudspeaker may include: a plurality of elementary loudspeakers each including a drive unit and a diaphragm deflectable by the drive unit, and a controller configured to respectively supply control signals to the drive units. The drive units may be respectively configured to deflect the corresponding diaphragms according to the respective control signals supplied by the controller to generate acoustic waves. The control signal supplied to at least one control unit may have at least one local extremum and a global extremum of a curvature of the control signal with a highest absolute value of the curvature may be located at a position of the control signal preceding a position of the at least one local extremum of the control signal.Type: GrantFiled: March 22, 2018Date of Patent: October 29, 2019Assignee: Infineon Technologies AGInventors: Alfons Dehe, Yauheni Belahurau, Manuel Dorfmeister, Christoph Glacer, Manfred Kaltenbacher, Ulrich Schmid, Michael Schneider, David Tumpold
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Publication number: 20190149926Abstract: Diaphragm element arrangements including at least one bistable diaphragm element, which has a first stable state and a second stable state, and corresponding methods are provided. The bistable diaphragm element can be activated above a changeover threshold in order to change over between the first and the second stable state or below the changeover threshold.Type: ApplicationFiled: November 12, 2018Publication date: May 16, 2019Inventors: Alfons Dehe, Manuel Dorfmeister, Ulrich Schmid, Michael Schneider
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Publication number: 20180279055Abstract: A microelectromechanical loudspeaker may include: a plurality of elementary loudspeakers each including a drive unit and a diaphragm deflectable by the drive unit, and a controller configured to respectively supply control signals to the drive units. The drive units may be respectively configured to deflect the corresponding diaphragms according to the respective control signals supplied by the controller to generate acoustic waves. The control signal supplied to at least one control unit may have at least one local extremum and a global extremum of a curvature of the control signal with a highest absolute value of the curvature may be located at a position of the control signal preceding a position of the at least one local extremum of the control signal.Type: ApplicationFiled: March 22, 2018Publication date: September 27, 2018Inventors: Alfons Dehe, Yauheni Belahurau, Manuel Dorfmeister, Christoph Glacer, Manfred Kaltenbacher, Ulrich Schmid, Michael Schneider, David Tumpold
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Publication number: 20180052042Abstract: An acoustic wave sensor may include: a continuous membrane deflectable by acoustic waves to be detected, and a piezoelectric layer provided on the membrane and including a plurality of piezoelectric layer portions respectively equipped with at least two individual electric contact structures configured to electrically connect the respective piezoelectric layer portions. Electric contact structures associated with different piezoelectric layer portions may be separated from each other.Type: ApplicationFiled: August 17, 2017Publication date: February 22, 2018Inventors: Alfons Dehe, Manuel Dorfmeister, Ulrich Schmid, Michael Schneider
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Publication number: 20170325025Abstract: Aspects of a microelectromechanical device, an array of microelectromechanical devices, a method of manufacturing a microelectromechanical device, and a method of operating a microelectromechanical device, are discussed herein. The microelectromechanical device may include: a substrate; a diaphragm mechanically coupled to the substrate, the diaphragm comprising a stressed region to buckle the diaphragm into one of two geometrically stable positions; an actuator mechanically coupled to the diaphragm, the actuator comprising a piezoelectric layer over the diaphragm; a controller configured to provide an electrical control signal in response to a digital sound input; wherein the actuator is configured to receive the electrical control signal to exert a mechanical piezoelectric force on the diaphragm via the piezoelectric layer to move the diaphragm to create a sound wave.Type: ApplicationFiled: May 4, 2016Publication date: November 9, 2017Inventors: Manuel Dorfmeister, Michael Schneider, Manfred Kaltenbacher, Alfons Dehe, Ursula Hedenig, Thomas Grille, Ulrich Schmid