Patents by Inventor Mathieu Meynen
Mathieu Meynen 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: 10496076Abstract: Disclosed is a machining method by turning at least one surface of an ophthalmic lens, using a turning machine having at least one geometrical defect. The method includes a step (101-104) of determining a turning configuration for machining by turning the at least one surface of the ophthalmic lens, the turning configuration including turning parameters and machine defects parameters associated to the turning parameters.Type: GrantFiled: September 25, 2015Date of Patent: December 3, 2019Assignee: Essilor InternationalInventors: Mathieu Meynen, Alexandre Gourraud, Luis Ricardo Castro Martinez, Loic Quere, Bernard Pons
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Patent number: 10466483Abstract: An optical device adapted for a wearer includes an emitting system, a first wafer and a gap. The emitting system includes a halt conducting element configured to output a light through an exit face of the light conducting element towards an eye of the wearer. The first wafer includes an internal face facing the light conducting element. The gap is arranged between at least the exit face of the light conducting element and the wafer. The internal face of the wafer includes at least a curved surface facing the exit face and has a curvature greater than 0 D.Type: GrantFiled: June 28, 2016Date of Patent: November 5, 2019Assignee: Essilor InternationalInventors: Loic Quere, Mathieu Meynen, Eric Gacoin, Marc Reignault, Benoit Callier
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Patent number: 10338406Abstract: Disclosed is a method implemented by computer for determining a lens blank intended to be used for the manufacturing of a finished optical article. The method includes: —a virtual volume data determining step, during which virtual volume data are determined based at least on finished optical article data representative of the volume of the finished optical article and over-thickness data representative of over-thickness requirements, the virtual volume data are determined so that the virtual volume defined by the virtual volume data includes the volume of the finished optical article volume of the finished optical article and the over-thickness, —a lens blank determining step, during which a lens blank is determined based on the virtual volume data so as to include the virtual volume defined by the virtual volume data.Type: GrantFiled: September 25, 2015Date of Patent: July 2, 2019Assignee: ESSILOR INTERNATIONALInventors: Jean-Marc Padiou, Luis Ricardo Castro-Martinez, Eric Gacoin, Mathieu Meynen, Alexandre Gourraud, Loic Quere, Jerome Moine
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Patent number: 10254568Abstract: The invention relates to a process for manufacturing an ophthalmic lens equipped with an insert (1), by means of a mold, comprising: —a step of molding a puck (3) comprising two faces (3A, 3B) and said insert (1) positioned between said faces; and —a step of machining at least one of said faces (3A, 3B) of said puck in order to form one of the front or back faces of said ophthalmic lens, the insert (1) being positioned relative to one portion of the mold before said molding step, According to the invention, an element associated with the insert or an imprint of this element left in the puck after the element has been removed comprises at least one of its portions providing a positional reference relative to said insert (1) in the machining step.Type: GrantFiled: March 16, 2015Date of Patent: April 9, 2019Assignee: Essilor InternationalInventors: Eric Gacoin, Mathieu Meynen, Thierry Devanneaux, Ludovic Jouard, Chefik Habassi
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Publication number: 20180196264Abstract: An optical, device adapted for a wearer includes an emitting system, a first wafer and a gap. The emitting system includes a halt conducting element configured to output a light through an exit face of the light conducting element towards an eye of the wearer. The first wafer includes an internal face facing the light conducting element. The gap is arranged between at least the exit face of the light conducting element and the wafer. The internal face of the wafer includes at least a curved surface facing the exit face and has a curvature greater than 0 D.Type: ApplicationFiled: June 28, 2016Publication date: July 12, 2018Applicant: Essilor InternationalInventors: Loic QUERE, Mathieu MEYNEN, Eric GACOIN, Marc REIGNAULT, Benoit CALLIER
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Publication number: 20180188555Abstract: An optical device for a wearer including an optical system with an active function configured to be mounted into a frame, a wafer comprising an internal face facing the optical system, the wafer being configured to be mounted into the frame, and holding means configured to maintain the optical system and the wafer in the frame without contact at least between a part of the optical system and the internal face of the wafer.Type: ApplicationFiled: June 28, 2016Publication date: July 5, 2018Applicant: Essilor InternationalInventors: Loic QUERE, Eric GACOIN, Benoit CALLIER, Mathieu MEYNEN, Alexis RAPOSO, Hasana SADIKI, Marc REIGNAULT
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Publication number: 20170285620Abstract: Disclosed is a machining method by turning at least one surface of an ophthalmic lens, using a turning machine having at least one geometrical defect. The method includes a step (101-104) of determining a turning configuration for machining by turning the at least one surface of the ophthalmic lens, the turning configuration including turning parameters and machine defects parameters associated to the turning parameters.Type: ApplicationFiled: September 25, 2015Publication date: October 5, 2017Applicant: Essilor International (Compagnie Generale D'Optique)Inventors: Mathieu MEYNEN, Alexandre GOURRAUD, Luis Ricardo CASTRO MARTINEZ, Loic QUERE, Bernard PONS
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Publication number: 20170235157Abstract: Disclosed is a method implemented by computer for determining a lens blank intended to be used for the manufacturing of a finished optical article. The method includes: —a virtual volume data determining step, during which virtual volume data are determined based at least on finished optical article data representative of the volume of the finished optical article and over-thickness data representative of over-thickness requirements, the virtual volume data are determined so that the virtual volume defined by the virtual volume data includes the volume of the finished optical article volume of the finished optical article and the over-thickness, —a lens blank determining step, during which a lens blank is determined based on the virtual volume data so as to include the virtual volume defined by the virtual volume data.Type: ApplicationFiled: September 25, 2015Publication date: August 17, 2017Inventors: Jean-Marc PADIOU, Luis Ricardo CASTRO-MARTINEZ, Eric GACOIN, Mathieu MEYNEN, Alexandre GOURRAUD, Loic QUERE, Jerome MOINE
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Publication number: 20170097523Abstract: The invention relates to a process for manufacturing an ophthalmic lens equipped with an insert (1), by means of a mold, comprising:—a step of molding a puck (3) comprising two faces (3A, 3B) and said insert (1) positioned between said faces; and—a step of machining at least one of said faces (3A, 3B) of said puck in order to form one of the front or back faces of said ophthalmic lens, the insert (1) being positioned relative to one portion of the mold before said molding step, According to the invention, an element associated with the insert or an imprint of this element left in the puck after the element has been removed comprises at least one of its portions providing a positional reference relative to said insert (1) in the machining step.Type: ApplicationFiled: March 16, 2015Publication date: April 6, 2017Inventors: Eric GACOIN, Mathieu MEYNEN, Thierry DEVANNEAUX, Ludovic JOUARD, Chéfik HABASSI
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Publication number: 20160306176Abstract: Method for encapsulating at least partly a light-guide optical element in a transparent capsule, the method comprising at least: —a transparent capsule providing step during which a transparent capsule is provided, —a light-guide optical element providing step during which a light-guide optical element is provided, —an adhesive deposing step during which an adhesive is deposited on at least part of a face of the transparent capsule and/or of a face of the light-guide optical element, —a positioning step during which the transparent capsule and the light-guide optical element are positioned one relative to the other so as to form an optical system, —a bonding step during which the light-guide optical element and the transparent capsule are made integral with the adhesive, wherein the method further comprises prior to the bonding step a control step during which at least one parameter of the optical system is controlled.Type: ApplicationFiled: October 22, 2014Publication date: October 20, 2016Inventors: Marc Reignault, Sira Uhalte Nogues, Mathieu Meynen, Ludovic Jouard, Benoît Callier, Loïc Quere
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Publication number: 20160062124Abstract: Method for providing a head mounted optical system, the method comprising: an optical system providing step (S1), during which an optical system with an active function is provided and, an encapsulating step (S8), during which the optical system is at least partly encapsulated in a transparent capsule by stacking in close contact the optical system with at least one substrate of the transparent capsule and made integral with an adhesive.Type: ApplicationFiled: May 2, 2014Publication date: March 3, 2016Inventors: Benoit CALLIER, Loïc QUERE, Marc REIGNAULT, Sira UHALTE NOGUES, Mathieu MEYNEN, Denis COHEN TANNOUDJI
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Patent number: 8919954Abstract: A method for obtaining an ophthalmic lens, includes: —the step of selecting a material that displays a threshold of pinhole formation during a machining step of a finished surface (20) in a material-removing depth (D) of 0.07 mm, which is at least 15% higher than the threshold of pinhole formation during a machining step of a finished surface in a material-removing depth (D) of 0.22 mm; —the step of selecting a set point for finishing depth of cut (A) between 0.015 mm and 0.075 mm; and—the step of selecting a set point for finishing feed between 85% and 99% of the threshold of pinhole formation for the material-removing depth (D) given by the sum of the selected set point for finishing depth of cut (A) and the blank roughness (B?).Type: GrantFiled: November 14, 2012Date of Patent: December 30, 2014Assignee: Essilor International (Compagnie Generale d'Optique)Inventor: Mathieu Meynen
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Publication number: 20140240663Abstract: A method for obtaining an ophthalmic lens, includes: —the step of selecting a material that displays a threshold of pinhole formation during a machining step of a finished surface (20) in a material-removing depth (D) of 0.07 mm, which is at least 15% higher than the threshold of pinhole formation during a machining step of a finished surface in a material-removing depth (D) of 0.22 mm; —the step of selecting a set point for finishing depth of cut (A) between 0.015 mm and 0.075 mm; and—the step of selecting a set point for finishing feed between 85% and 99% of the threshold of pinhole formation for the material-removing depth (D) given by the sum of the selected set point for finishing depth of cut (A) and the blank roughness (B?).Type: ApplicationFiled: November 14, 2012Publication date: August 28, 2014Applicant: Essilor International (Compagnie Generale D Optique)Inventor: Mathieu Meynen
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Patent number: 8475237Abstract: An optical-grade surfacing tool includes: a rigid holder (60); an elastically compressible interface (12) secured to the rigid holder (60); and a flexible pad (13) that can be applied against a surface to be machined (71) and secured to the interface (12) opposite the rigid holder (60). The pad (13) is carried by an elastically extensible membrane (14) including: a central plate (15); and a plurality of straps (18) each radially protruding from the periphery of the plate (15) and each having a distal portion engaged with a fastening element (38), each strap (18) rotating about the side surface (28) of the interface (12) and extending up to the fastening element, each strap (18) being taut.Type: GrantFiled: September 1, 2009Date of Patent: July 2, 2013Assignee: Essilor International (Compagnie Generale d'Optique)Inventor: Mathieu Meynen
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Publication number: 20110136416Abstract: An optical-grade surfacing tool includes: a rigid holder (60); an elastically compressible interface (12) secured to the rigid holder (60); and a flexible pad (13) that can be applied against a surface to be machined (71) and secured to the interface (12) opposite the rigid holder (60). The pad (13) is carried by an elastically extensible membrane (14) including: a central plate (15); and a plurality of straps (18) each radially protruding from the periphery of the plate (15) and each having a distal portion engaged with a fastening element (38), each strap (18) rotating about the side surface (28) of the interface (12) and extending up to the fastening element, each strap (18) being taut.Type: ApplicationFiled: September 1, 2009Publication date: June 9, 2011Applicant: ESSILOR INTERNATIONALInventor: Mathieu Meynen
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Patent number: 7223164Abstract: An optical surface-finishing tool includes a rigid support (4) having a transverse end surface (13); an elastically-compressible interface (5) which is applied against the end surface (13) such as to cover same; and a flexible buffer (6) which can be applied against the optical surface (2), which is applied against the interface (5) and which covers the interface at least partially, opposite and in line with the end surface (13). The buffer includes a central part (6a) which is in line with the end surface (13) and a peripheral part (14) which extends transversely beyond the end surface (13). There is also an elastic return element (15) having a collar (18) which is used to connect the peripheral part (14) to the support (4). Moreover, the collar (18) includes a continuous peripheral part (22) which rests on the peripheral part (14) of the buffer (6) such as to co-operate therewith.Type: GrantFiled: July 12, 2004Date of Patent: May 29, 2007Assignee: Essilor International (Compagnie Generale D'Optique)Inventors: Joël Bernard, Mathieu Meynen
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Publication number: 20060154581Abstract: An optical surface-finishing tool includes a rigid support (4) having a transverse end surface (13); an elastically-compressible interface (5) which is applied against the end surface (13) such as to cover same; and a flexible buffer (6) which can be applied against the optical surface (2), which is applied against the interface (5) and which covers the interface at least partially, opposite and in line with the end surface (13). The buffer includes a central part (6a) which is in line with the end surface (13) and a peripheral part (14) which extends transversely beyond the end surface (13). There is also an elastic return element (15) having a collar (18) which is used to connect the peripheral part (14) to the support (4). Moreover, the collar (18) includes a continuous peripheral part (22) which rests on the peripheral part (14) of the buffer (6) such as to co-operate therewith.Type: ApplicationFiled: July 12, 2004Publication date: July 13, 2006Inventors: Joel Bernard, Mathieu Meynen