Patents by Inventor David LEUENBERGER
David LEUENBERGER 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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Publication number: 20240111173Abstract: The invention relates Tunable prism (1) for optical image stabilization, comprising the components: A container (2) that comprises a membrane (6) comprising at least a transparent portion, the container (2) further comprising a transparent rigid bottom portion (5) facing the membrane (6), wherein the membrane (6) is connected to the bottom portion (5), and wherein the container (2) encloses a volume (7) that is filled with a transparent fluid (3); A transparent window (8) arranged on the membrane (6), wherein the membrane (6) comprises a deformable portion (6a) extending around an outer edge (8a) of the window (8), such that the window (8) can be tilted around a first and/or a second axis (201, 202) with respect to the bottom portion (5). The invention further relates to an imaging system (50) comprising the tunable prism (1).Type: ApplicationFiled: October 26, 2023Publication date: April 4, 2024Applicant: Nextlens Switzerland AGInventors: Mark VENTURA, David LEUENBERGER, Michael BÜELER, Manuel ASCHWANDEN, Stephan SMOLKA, Frank BOSE, David NIEDERER
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Patent number: 11815742Abstract: The invention relates to an optical device (1), comprising: at least a first lens (100) having an adjustable focal length, wherein the first lens (100) comprises a container (2) comprising at least one reservoir volume (90) and a lens volume (91) which are in flow communication via a channel (92) and filled with a transparent fluid (F), and wherein the container (2) comprises a stretchable transparent membrane (21) and a transparent lens shaper (22) that is immersed in the fluid (F) and connected to the membrane (21), so that the lens shaper (22) defines a curvature-adjustable area (23) of the membrane (21), and wherein the container (2) comprises a transparent back wall (30) facing the membrane (21), wherein the fluid (F) is arranged between the membrane (20) and the back wall (30). According to the present invention, the at least one reservoir volume (90) is covered by a wall (21), wherein a plunger (94) for interacting with an actuator part (e.g.Type: GrantFiled: November 5, 2018Date of Patent: November 14, 2023Assignee: OPTOTUNE AGInventors: David Leuenberger, Michael Büeler, Roman Patscheider, Pit Gebbers, Christopher Laning, Manuel Aschwanden
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Publication number: 20230103164Abstract: In some embodiments, a calibration circuit for an audio amplification system can include a tone generator configured to provide a tone having a frequency to an input path of an audio amplifier, such that an input signal provided to the audio amplifier includes the tone, a a first sampling circuit configured to sample an output signal at an output node of the audio amplifier, and a second sampling circuit configured to sample the input signal at an input node of the audio amplifier. The calibration circuit can further include a gain adjustment circuit configured to generate a correction signal based on the sampled output signal and the sampled input signal to correct for a gain variation of the audio amplifier.Type: ApplicationFiled: September 28, 2022Publication date: March 30, 2023Inventors: Spencer David LEUENBERGER, Deepika KUMARI, David LAMB, Mark R. PETING, Evan Michael ALBRIGHT, Wai Laing LEE, Amit KUMAR
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Patent number: 11448900Abstract: The invention relates to an optical device (1), comprising: at least a first lens 100) having an adjustable focal length, wherein the first lens (100) comprises a container (2) that defines a volume (V) which is filled with a transparent fluid (F), and wherein the container (2) comprises a front wall (20), which front wall (20) comprises a transparent membrane (21) that is flexible and stretchable and a transparent lens shaper (22) that is immersed in the fluid (F) and connected to the membrane (21), so that the lens shaper (22) defines a curvature-adjustable area (23) of the membrane (21), and wherein the container (2) comprises a back wall (30) facing the front wall (20), wherein the fluid (F) is arranged between the front wall (20) and the back wall (30), and wherein the back wall (30) forms a lens.Type: GrantFiled: May 5, 2017Date of Patent: September 20, 2022Assignee: OPTOTUNE AGInventors: Manuel Aschwanden, Roman Patscheider, David Leuenberger, Michael Bueler
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Publication number: 20210278703Abstract: The invention relates to an optical device (1), comprising: at least a first lens 100) having an adjustable focal length, wherein the first lens (100) comprises a container (2) that defines a volume (V) which is filled with a transparent fluid (F), and wherein the container (2) comprises a front wall (20), which front wall (20) comprises a transparent membrane (21) that is flexible and stretchable and a transparent lens shaper (22) that is immersed in the fluid (F) and connected to the membrane (21), so that the lens shaper (22) defines a curvature-adjustable area (23) of the membrane (21), and wherein the container (2) comprises a back wall (30) facing the front wall (20), wherein the fluid (F) is arranged between the front wall (20) and the back wall (30), and wherein the back wall (30) forms a lens.Type: ApplicationFiled: May 5, 2017Publication date: September 9, 2021Applicant: OPTOTUNE AGInventors: Manuel ASCHWANDEN, Roman PATSCHEIDER, David LEUENBERGER, Michael BUELER
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Publication number: 20210165238Abstract: The invention relates Tunable prism (1) for optical image stabilization, comprising the components: —A container (2) that comprises a membrane (6) comprising at least a transparent portion, the container (2) further comprising a transparent rigid bottom portion (5) facing the membrane (6), wherein the membrane (6) is connected to the bottom portion (5), and wherein the container (2) encloses a volume (7) that is filled with a transparent fluid (3), —A transparent window (8) arranged on the membrane (6), wherein the membrane (6) comprises a deformable portion (6a) extending around an outer edge (8a) of the window (8), such that the window (8) can be tilted around a first and/or a second axis (201, 202) with respect to the bottom portion (5). The invention further relates to an imaging system (50) comprising the tunable prism (1).Type: ApplicationFiled: December 6, 2018Publication date: June 3, 2021Applicant: OPTOTUNE CONSUMER AGInventors: Mark VENTURA, David LEUENBERGER, Michael BÜELER, Manuel ASCHWANDEN, Stephan SMOLKA, Frank BOSE, David NIEDERER
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Publication number: 20200393678Abstract: The invention relates to a near-eye display (1) comprising at least one curved or flat screen (2), comprising a plurality of optical elements (3), each optical element (3) comprising a controllable central emitter (6) configured to emit light; for each central emitter (6), a corresponding collimating optics (7) comprised by the corresponding optical element (3), wherein the corresponding collimating optics (7) has an optical axis (11) and is arranged such with respect to the central emitter (6) that emitted light from the central emitter (6) is collimated and the collimated light propagates particularly parallel to the optical axis (11) of the corresponding collimation optics (7). The invention further relates to a method for displaying an image with the near-eye display (1).Type: ApplicationFiled: November 26, 2018Publication date: December 17, 2020Applicant: OPTOTUNE AGInventors: David LEUENBERGER, Manuel ASCHWANDEN
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Publication number: 20200285077Abstract: The invention relates to an optical device (1), comprising: at least a first lens (100) having an adjustable focal length, wherein the first lens (100) comprises a container (2) comprising at least one reservoir volume (90) and a lens volume (91) which are in flow communication via a channel (92) and filled with a transparent fluid (F), and wherein the container (2) comprises a stretchable transparent membrane (21) and a transparent lens shaper (22) that is immersed in the fluid (F) and connected to the membrane (21), so that the lens shaper (22) defines a curvature-adjustable area (23) of the membrane (21), and wherein the container (2) comprises a transparent back wall (30) facing the membrane (21), wherein the fluid (F) is arranged between the membrane (20) and the back wall (30). According to the present invention, the at least one reservoir volume (90) is covered by a wall (21), wherein a plunger (94) for interacting with an actuator part (e.g.Type: ApplicationFiled: November 5, 2018Publication date: September 10, 2020Applicant: OPTOTUNE AGInventors: David LEUENBERGER, Michael BÜELER, Roman PATSCHEIDER, Pit GEBBERS, Christopher LANING, Manuel ASCHWANDEN
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Patent number: 8503073Abstract: Embodiments of the disclosed technique disclose an optical device generating light by luminescence comprising a substrate, a waveguide, a pump light source and a photoluminescent layer, wherein the waveguide is positioned between the substrate and the photoluminescent layer, or the photoluminescent layer is positioned between the substrate and the waveguide. The pump light source is provided opposite to the photoluminescent layer at the backside of the substrate. The pump light source is adapted to pump the photoluminescent layer to emit light; and at least some of the emitted light is evanescently coupled into the waveguide.Type: GrantFiled: June 19, 2009Date of Patent: August 6, 2013Assignee: CSEM Centre Suisse d'Electronique et de Microtechnique S.A.—Recherche et DeveloppementInventors: Marc Ramuz, David Leuenberger, Carsten Jochen Winnewisser, Ross Stanley, Lukas Bürgi
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Patent number: 8448530Abstract: The present invention discloses a smart label to be affixed on or integrated in an object and able to provide an electrical signal indicative of the applied pressure or force and/or the position of the applied pressure or force at a touch point on the object to which the label is affixed. The smart label comprises a layer structure and a detector system, the layer structure comprising of at least a stack of a first, a second and a third layer. The first and third layers comprise a flexible, electrically conductive or semiconductive material and at least two electrodes for connecting the layers to the detector system. The second layer comprises a flexible, deformable and compressible material. The second layer is electrically nonconductive or electrically conductive but less conductive than the first and third layers, wherein the second layer separates the first and third layers.Type: GrantFiled: March 26, 2010Date of Patent: May 28, 2013Assignee: CSEM Centre Suisee d'Electronique et de Microtechnique SA-Recherche et DeveloppementInventors: David Leuenberger, Guillaume Basset, Tilman Beierlein
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Publication number: 20100242629Abstract: The present invention discloses a smart label to be affixed on or integrated in an object and able to provide an electrical signal indicative of the applied pressure or force and/or the position of the applied pressure or force at a touch point on the object to which the label is affixed. The smart label comprises a layer structure and a detector system, the layer structure comprising of at least a stack of a first, a second and a third layer. The first and third layers comprise a flexible, electrically conductive or semiconductive material and at least two electrodes for connecting the layers to the detector system. The second layer comprises a flexible, deformable and compressible material. The second layer is electrically nonconductive or electrically conductive but less conductive than the first and third layers, wherein the second layer separates the first and third layers.Type: ApplicationFiled: March 26, 2010Publication date: September 30, 2010Applicant: CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et DeveloppementInventors: David Leuenberger, Guillaume Basset, Tilman Beierlein
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Publication number: 20090316429Abstract: Embodiments of the disclosed technique disclose an optical device generating light by luminescence comprising a substrate, a waveguide, a pump light source and a photoluminescent layer, wherein the waveguide is positioned between the substrate and the photoluminescent layer, or the photoluminescent layer is positioned between the substrate and the waveguide. The pump light source is provided opposite to the photoluminescent layer at the backside of the substrate. The pump light source is adapted to pump the photoluminescent layer to emit light; and at least some of the emitted light is evanescently coupled into the waveguide.Type: ApplicationFiled: June 19, 2009Publication date: December 24, 2009Applicant: CSEM Centre Suisse D'Electronique et de Microtechnique SA - Recherche et DeveloppmentInventors: Marc RAMUZ, David LEUENBERGER, Carsten Jochen WINNEWISSER, Ross STANLEY, Lukas BURGI