Patents by Inventor Bruno Berge
Bruno Berge 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: 11280995Abstract: The present invention relates to an electrostatically actuated device comprising at least first chamber, an electrode chamber comprising a deformable electrode. The deformable electrode is disposed in the electrode chamber such as to form a first electrode chamber and a second electrode chamber.Type: GrantFiled: August 30, 2017Date of Patent: March 22, 2022Assignee: LACLAREEInventor: Bruno Berge
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Patent number: 11061256Abstract: This invention relates to ophthalmic lens for spectacle comprising a primary glass, a secondary glass, a main chamber and a membrane configured to separate the volume of the main chamber in a first chamber and a second chamber.Type: GrantFiled: July 5, 2017Date of Patent: July 13, 2021Assignee: LACLAREEInventor: Bruno Berge
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Publication number: 20210072431Abstract: A liquid lens that includes a first window, a second window, and a cavity disposed between the first window and the second window; a first and second liquid disposed within the cavity, the first and second liquid substantially immiscible with each other and having different refractive indices such that an interface between the first and second liquid defines a variable lens, at least a portion of the first liquid disposed within a first portion of the cavity, the second liquid disposed within a second portion of the cavity; a common electrode in electrical communication with the first liquid; and a driving electrode disposed on a sidewall of the cavity and insulated from the first liquid and the second liquid by an insulating element, wherein the insulating element comprises an insulating outer layer in contact with the liquids, the insulating outer layer comprising a lanthanide series oxide.Type: ApplicationFiled: December 13, 2018Publication date: March 11, 2021Applicants: CORNING INCORPORATED, UNIVERSITE CLAUDE BERNARD LYON 1, Centre National De La Recherche Scientifique-CNRSInventors: Bruno Berge, Gwenael Bonfante, Benjamin Burger, Stéphanie Chevalliot, Mathieu Maillard, Bérangère Toury-Pierre
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Publication number: 20190258085Abstract: The present invention relates to an electrostatically actuated device comprising at least first chamber, an electrode chamber comprising a deformable electrode. The deformable electrode is disposed in the electrode chamber such as to form a first electrode chamber and a second electrode chamber.Type: ApplicationFiled: August 30, 2017Publication date: August 22, 2019Inventor: Bruno BERGE
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Publication number: 20190227346Abstract: This invention relates to ophthalmic lens for spectacle comprising a primary glass, a secondary glass, a main chamber and a membrane configured to separate the volume of the main chamber in a first chamber and a second chamber.Type: ApplicationFiled: July 5, 2017Publication date: July 25, 2019Inventor: Bruno BERGE
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Patent number: 9572487Abstract: A method for interactive adjustment of a parameter of a continuously variable optical lens involving having a subject view an eye chart through a variable lens frame comprising at least one continuously variable optical lens, applying a modulation to a selected parameter of said continuously variable optical lens around an average value, and tuning said average value by minimizing the flickering visible to the subject and due to the modulation.Type: GrantFiled: February 3, 2015Date of Patent: February 21, 2017Assignee: PARROT DRONESInventors: Hilario Gaton, Eric Simon, Bruno Berge
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Publication number: 20150216411Abstract: A method for interactive adjustment of a parameter of a continuously variable optical lens involving having a subject view an eye chart through a variable lens frame comprising at least one continuously variable optical lens, applying a modulation to a selected parameter of said continuously variable optical lens around an average value, and tuning said average value by minimizing the flickering visible to the subject and due to the modulation.Type: ApplicationFiled: February 3, 2015Publication date: August 6, 2015Applicant: PARROTInventors: Hilario Gaton, Eric Simon, Bruno Berge
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Publication number: 20150124311Abstract: A method for controlling an electrowetting optical device is disclosed. The method involves applying, in a dielectric enclosure of the electrowetting optical device, a direct current voltage or an alternative current voltage having a frequency f lower than 10 Hz to a liquid/liquid interface formed by a non-conductive liquid and a conductive liquid and movable by electrowetting under the application of the voltage. The conductive liquid comprises at least one multivalent salt, and the dielectric enclosure is coated with both a poly-para-xylylene linear polymer and a low surface energy coating.Type: ApplicationFiled: April 16, 2013Publication date: May 7, 2015Inventors: Bruno Berge, Mathieu Maillard
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Patent number: 8649102Abstract: The invention concerns an optical electrowetting device a body comprising at least a first external surface and a second internal surface with a conical shape; a liquid-liquid interface between a first and a second immiscible liquids, the first liquid being a conducting liquid and the second liquid being an insulating liquid, wherein the liquid-liquid interface is able to move on the second internal surface by electrowetting effect; a first electrode in contact with the first liquid; a second electrode insulated from the first liquid by an insulating layer, the second electrode comprising at least a first electrical conductive track to be connected to a voltage source and extending from the first external surface of the body to the second internal surface; and a first layer covering the second internal surface of said body and being covered by the insulating layer, wherein the shape of the liquid-liquid interface is controllable by application of at least a first voltage between the first electrode and the fiType: GrantFiled: December 23, 2009Date of Patent: February 11, 2014Assignee: Parrot S.A.Inventors: Bruno Berge, Nicolas Verplanck, Mathieu Maillard, Julien Legrand
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Patent number: 8545555Abstract: According to a first aspect, the invention relates to an electrically controlled focusing ophthalmic device (43) to be worn by a user, comprising:—at least one active liquid lens comprising a liquid/liquid interface movable by electrowetting under the application of a voltage,—a driver for applying a DC voltage to said active liquid lens, the amplitude of the voltage to be applied being a function of the desired focusing;—a sensor (41) for detecting eyelid closing events and/or microsaccades of the user;—a controller for synchronizing said sensor and the driver, such that the driver may reverse the polarization of the DC voltage during a microsaccade and/or an eyelid closing event of the user.Type: GrantFiled: December 3, 2010Date of Patent: October 1, 2013Assignee: ParrotInventor: Bruno Berge
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Patent number: 8400558Abstract: A method of controlling a liquid lens in an imaging device, the liquid lens including a liquid-liquid interface between first and second immiscible liquids deformable by electrowetting; a chamber containing the first and second liquids, the first liquid being an insulating liquid and the second liquid being a conducting liquid; and a first electrode in contact with the second liquid and at least one second electrode insulated from the second liquid by an insulating layer, the first and second electrodes being arranged to allow a plurality of voltages levels to be applied between the first and second electrodes to control the curvature of the liquid-liquid interface, the method including: determining motion data representative of a movement of the imaging device; determining focusing data representative of a desired focus of the imaging device; determining the plurality of voltage levels to be applied between the first and second electrodes, wherein each of the voltage levels is a function of the motion data,Type: GrantFiled: December 12, 2008Date of Patent: March 19, 2013Assignee: Varioptic, S.A.Inventors: Bruno Berge, Mathieu Maillard, Nicolas Verplanck
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Patent number: 8366001Abstract: A method for calibration in the field of imaging systems and imaging systems using the method for calibration. In particular, the method involves calibration in the field of open loop variable focus imaging systems and methods for calibration in the field of imaging system having a variable optical parameter.Type: GrantFiled: August 12, 2009Date of Patent: February 5, 2013Assignee: Varioptic S.A.Inventors: Pierre Craen, Olivier Jacques-Sermet, Bruno Berge
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Publication number: 20120310339Abstract: According to a first aspect, the invention relates to an electrically controlled focusing ophthalmic device (43) to be worn by a user, comprising:—at least one active liquid lens comprising a liquid/liquid interface movable by electrowetting under the application of a voltage,—a driver for applying a DC voltage to said active liquid lens, the amplitude of the voltage to be applied being a function of the desired focusing;—a sensor (41) for detecting eyelid closing events and/or microsaccades of the user;—a controller for synchronizing said sensor and the driver, such that the driver may reverse the polarization of the DC voltage during a microsaccade and/or an eyelid closing event of the user.Type: ApplicationFiled: December 3, 2010Publication date: December 6, 2012Applicant: PARROTInventor: Bruno Berge
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Publication number: 20120026596Abstract: The invention concerns an optical electrowetting device a body comprising at least a first external surface and a second internal surface with a conical shape; a liquid-liquid interface between a first and a second immiscible liquids, the first liquid being a conducting liquid and the second liquid being an insulating liquid, wherein the liquid-liquid interface is able to move on the second internal surface by electrowetting effect; a first electrode in contact with the first liquid; a second electrode insulated from the first liquid by an insulating layer, the second electrode comprising at least a first electrical conductive track to be connected to a voltage source and extending from the first external surface of the body to the second internal surface; and a first layer covering the second internal surface of said body and being covered by the insulating layer, wherein the shape of the liquid-liquid interface is controllable by application of at least a first voltage between the first electrode and the fiType: ApplicationFiled: December 23, 2009Publication date: February 2, 2012Applicant: VARIOPTIC S.A.Inventors: Bruno Berge, Nicolas Verplanck, Mathieu Maillard, Julien Legrand
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Patent number: 7940467Abstract: The invention concerns an electrowetting optical device comprising a chamber (15) comprising first and second immiscible liquids (16, 18) contacting each other at a liquid-liquid interface (19), the first liquid being an insulating liquid and the second liquid being a conducting liquid; a first electrode (20) in the contact with the second liquid; and a second electrode (202) insulated from the first and second liquids by an insulating layer, wherein the second electrode is formed of a conductive molded polymer material, wherein the curvature of said liquid-liquid interface is controllable by application of a voltage between said first and second electrodes.Type: GrantFiled: June 27, 2008Date of Patent: May 10, 2011Assignee: Varioptic, S.A.Inventors: Bruno Berge, Frederic Laune, Julien Legrand, Mathieu Maillard, Yves-Sebastien Boulin
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Patent number: 7864440Abstract: The invention concerns an optical lens comprising a cavity formed by two transparent windows and a peripheral frame positioned in between, said cavity containing first and second liquids, non miscible, forming an interface, said interface being movable by electrowetting on a wall of said peripheral frame by application of a voltage between first and second electrodes, wherein said wall has a non symmetrical revolution surface, the geometrical shape of which is calculated such that said interface is of a predetermined shape, for example substantially spherical, for at least one value of said voltage.Type: GrantFiled: November 23, 2007Date of Patent: January 4, 2011Assignee: Varioptic, S.A.Inventor: Bruno Berge
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Publication number: 20100295987Abstract: A method of controlling a liquid lens in an imaging device, the liquid lens including a liquid-liquid interface between first and second immiscible liquids deformable by electrowetting; a chamber containing the first and second liquids, the first liquid being an insulating liquid and the second liquid being a conducting liquid; and a first electrode in contact with the second liquid and at least one second electrode insulated from the second liquid by an insulating layer, the first and second electrodes being arranged to allow a plurality of voltages levels to be applied between the first and second electrodes to control the curvature of the liquid-liquid interface, the method including: determining motion data representative of a movement of the imaging device; determining focusing data representative of a desired focus of the imaging device; determining the plurality of voltage levels to be applied between the first and second electrodes, wherein each of the voltage levels is a function of the motion data,Type: ApplicationFiled: December 12, 2008Publication date: November 25, 2010Applicant: VARIOPTIC, S.A.Inventor: Bruno Berge
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Patent number: 7791814Abstract: The invention relates to an optical electrowetting device comprising a conductive fluid (5; 101) and a non-conductive fluid (4; 102), said fluids being non miscible, and an insulating substrate (2; 103) on which both fluids are in contact and form a triple interface, wherein the natural contact angle (105) of the non-conductive fluid (102) on the substrate (103) in presence of the conductive fluid (101) is comprised between 0° and about 20°. This device may be a variable focus liquid lens, an optical diaphragm, an optical zoom. The invention further relates to an apparatus such as a camera, a cell phone, an endoscope or a dental video camera, comprising said electrowetting device and a driver or electronic means for controlling the lens.Type: GrantFiled: January 31, 2007Date of Patent: September 7, 2010Assignee: VariopticInventors: Gaëtan Liogier D'ardhuy, Mathieu Maillard, Julien Legrand, Bruno Berge
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Publication number: 20100177386Abstract: The invention concerns an electrowetting optical device comprising a chamber (15) comprising first and second immiscible liquids (16, 18) contacting each other at a liquid-liquid interface (19), the first liquid being an insulating liquid and the second liquid being a conducting liquid; a first electrode (20) in the contact with the second liquid; and a second electrode (202) insulated from the first and second liquids by an insulating layer, wherein the second electrode is formed of a conductive molded polymer material, wherein the curvature of said liquid-liquid interface is controllable by application of a voltage between said first and second electrodes.Type: ApplicationFiled: June 27, 2008Publication date: July 15, 2010Applicant: VARIOPTIC, S.A.Inventors: Bruno Berge, Frederic Laune, Julien Legrand, Mathieu Maillard, Yves-Sebastien Boulin
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Publication number: 20100149651Abstract: The present invention relates to an electrowetting-based variable-focus lens comprising an enclosure with at least two components, an arrangement of first and second immiscible liquids (5, 6) contained in said enclosure, wherein the liquids have different refractive indices and are in contact over a moveable refractive optical interface, a first electrode associated with one of said liquids, the electrode comprising a film (21, 22; 23, 24) of conducting material extending from a region internal to the enclosure to a region external to the enclosure, wherein the conducting material forms a bonding element between said components of the enclosure.Type: ApplicationFiled: June 23, 2006Publication date: June 17, 2010Inventors: Bruno Berge, Jérôme Peseux, Bertrand Boutaud, Pierre Craen