737 patents
Page 23 of 37
Utility
Method and Apparatus for Determining a Reference Head Posture of a Subject
17 Jun 21
Disclosed is a method for determining a subject's reference head posture, the method including: a) obtaining a movement or a position of at least one eyelid of the subject while he/she moves his/her head up and down starting from an initial head posture wherein he/she directs his/her gaze towards a predetermined direction, the subject keeping his/her gaze directed towards the predetermined direction during the motion of his/her head; and b) determining the reference head posture as a function of a movement or a position of at least one eyelid of the subject during the motion of his/her head at step a).
Gilles LE SAUX
Filed: 3 Dec 18
Utility
Optical article with blue cut, high UV cut and high clarity
8 Jun 21
The combination of selective and high pass filters to cut harmful blue light allowed to achieve the best compromise between high blue cut performance, high UV cut and low yellow index, not achievable when using the filters alone.
Hao Wen Chiu, Aref Jallouli, Haifeng Shan
Filed: 20 Sep 17
Utility
Method for Detecting a Defect In a Zone of Interest of an Optical Lens
3 Jun 21
Method for detecting a defect in a zone of interest of an optical lens, the method including: an image reception step, during which a plurality of images is received, each image includes a view of the zone of interest in front of a plurality of specific patterns, each specific pattern including a bright area and a dark area, and at least one image received is saturated in light intensity; a sampling step, during which each image of the plurality of images are sampled based on a common sampling pattern; a recombination step, during which a recombined image of the zone of interest is determined based on the common sampling pattern; and a defect detection step, during which a defect is detected in the zone of interest of the optical lens based on an analysis of the recombined image.
Cédric LEMAIRE
Filed: 21 Jun 19
Utility
Method for Customizing a Head Mounted Device Adapted to Generate a Virtual Image
3 Jun 21
A method for customizing a head mounted device adapted to generate a virtual image for a wearer, the method comprises: obtaining a 3D eye pupil position of the wearer in a reference frame and corresponding to a predetermined gaze direction, and customizing the head-mounted device based on the 3D eye pupil position so that the position of a focus area (EMB) at least partly coincides with the position of the eye pupil in the predetermined gaze direction, wherein customizing the head-mounted device comprises controlling a recording of a holographic mirror based on the 3D eye pupil position in the reference frame.
Cécile PETIGNAUD
Filed: 4 Apr 19
Utility
Method and System for Determining a Lens of Customized Color
3 Jun 21
The invention concerns method and system for determining a lens of customized color, said method comprising the steps of determining a target colorimetric data set; providing access to a database comprising data representing colors; using a plurality of simulation modules to calculate, based on said data from the database, a plurality of simulated colorimetric data of the lens substrate combined with a mixture of dyes of determined dye(s) combination, composition and amount or with a multilayer stack as a function of determined layers composition and thicknesses; and, color matching the plurality of simulated colorimetric data with the target colorimetric data set so as to determine one or a plurality of combinations of said lens substrate with a determined mixture of dyes or with a determined multilayer stack.
William TROTTIER-LAPOINTE, Jinhhao NG, Jean-Philippe DUMONT, Haifeng SHAN, Philip CHANG, Charlène POUSSE
Filed: 30 Jul 19
Utility
Optical System for Treating Chronobiological Disorders And/or Myopia
27 May 21
An optical system having a spectral transmission profile having an average transmittance Ta between 380 nm and 780 nm and an average red light transmittance Tr between a first limit L1 and a second limit L2, with Tr<2*Ta/3 and L1=600 nm and L2=780 nm, and the optical system being configured to allow selectively retinal exposure of an eye to at least one selected range of wavelengths of light in the visible spectrum of 460 nm to 530 nm.
Coralie BARRAU, Denis COHEN TANNOUDJI, Thierry VILLETTE
Filed: 3 Feb 21
Utility
Method for determining a three dimensional performance of an ophthalmic lens; associated method of calculating an ophthalmic lens
25 May 21
A method for determining a three dimensional performance of an ophthalmic lens including: calculating a domain in which a condition between a local optical criterion and at a threshold value is fulfilled; determining the three dimensional performance of the ophthalmic lens according to the domain.
Melanie Heslouis, Sebastien Fricker, Cyril Guilloux, Benjamin Rousseau
Filed: 11 Oct 16
Utility
Eyewear Skeleton
20 May 21
The present disclosure relates to an eyewear skeleton to be integrated into an active eyewear adapted for a wearer, including at least two elements selected among the following elements: a lens housing, and/or at least one temple, and/or at least one optical lens.
Mathieu MEYNEN, Ludovic JOUARD
Filed: 10 Jul 18
Utility
Method and Device for Measuring Data for Fitting an Ophthalmic Lens In a Frame for a Given Individual
20 May 21
Disclosed is a method for measuring data for fitting an ophthalmic lens in a frame for a individual, including the following steps: a) placing the individual in a natural posture; b) displaying a visual target with adjustable position in the field of view of the individual; c) having the individual equipped with the frame adjust the position of the visual target in order to place it straight ahead from him; d) determining the intersection, with a surface representative of the lens once placed in the frame, of the line of sight of the individual looking at the visual target with its adjusted position and determining the data based on the intersection determined.
Cécile PETIGNAUD, Amandine DEBIEUVRE, Bénédicte DELDALLE
Filed: 5 Jun 18
Utility
a Method of Determining the Position of an Optical Lens Member
20 May 21
Disclosed is a method implemented by a computer, for determining the position of an optical lens member having a surface placed on a lens blocking ring, the blocking ring including a bearing zone arranged to bear at least partially a placed known surface of the optical lens member when the known surface of the optical lens member is placed on the lens blocking ring and hold by a force applied on the optical lens member, the method includes finding a trio of points of the bearing zone that forms a triangle including the projection on the main plane of the point of application of the force; and a position of the optical lens having a virtual contact between the placed known surface and the ring at the location of the trios of points.
Jérôme MOINE
Filed: 30 Jul 18
Utility
Polarized films with specific light filters
18 May 21
Disclosed are polarized films containing specific light filters that block transmission of harmful electromagnetic radiation.
Haifeng Shan, Aref Jallouli, Hao-Wen Chiu, Srini Balasubramanian, Haipeng Zheng
Filed: 15 Jul 16
Utility
a Set Including a Semi-finished Optical Element and a Blocking Device; and a Method for Providing Such a Set
13 May 21
A set includes a molding device having a molding face having the same shape as a contact face of the blocking device.
Jérome MOINE, Luc MARTIN, Sébastien PINAULT, Xavier BULTEZ
Filed: 7 Feb 18
Utility
Optical Device for a Head-mounted Display, and Head-mounted Device Incorporating It for Augmented Reality
13 May 21
The present invention relates to an optical device usable in a head-mounted display which comprises a light conducting element and at least one wafer, and to a head-mounted device which is configured to provide an informative display of augmented reality for a wearer of the head-mounted device and which comprises such an optical device.
Mathieu MEYNEN, Marius PELOUX, Dominick HUBACZ, Ludovic JOUARD, Marc REIGNAULT
Filed: 9 Mar 18
Design
Refractor
11 May 21
Olivier Hong
Filed: 21 Dec 18
Utility
Method for Optimizing a Set of Optical Lens Blanks
6 May 21
Method implemented by computer for optimizing a set of optical lens blanks used to manufacture a set of optical lenses, each optical lens comprising first and second optical surfaces, the first and second optical surfaces being connected by a external periphery surface, the method comprising: a data providing step during which a set of data for every optical lens of the set of optical lenses is provided, the data comprising at least contour data representative of an external periphery surface of the optical lens, a first dataset representative of the first optical surface of the optical lens and a second dataset representative of the second optical surface of the optical lens; a supply cost function providing step during which a supply cost function is provided, the supply cost function being a function of the number of different optical lens blank comprised in the set of optical lens blanks.
Thierry Baudart, Florence Morel
Filed: 14 Jan 21
Utility
Economically Optimized Lens Cleaning and Stripping System
6 May 21
Systems and methods for cleaning a hard-coated ophthalmic lens and stripping the hard-coating of the hard coated ophthalmic lens in a single pass process are disclosed.
Aluysio ROUGEMONT
Filed: 18 Jun 19
Utility
Optical Device Adapted to Be Worn by a Wearer
6 May 21
An optical device including an active programmable lens having an adjustable optical power depending on a prescription of a wearer and being relative to a vision distance and/or direction of an eye of the wearer, a vision sensor adapted to measure vision data relating to the vision distance and/or direction of the eye, and an optical power controller that includes a memory storing computer executable instructions and adapted to store measured vision data and two predetermined optical power states corresponding to an optical power relative to a range of vision distance and/or direction of the eye, and a processor for executing the stored computer executable instructions, which include instructions for adjusting the adjustable optical power between the predetermined optical power states with a resolution smaller than or equal to 0.25D when the vision data passes from one range of vision distance and/or direction to another.
Marius PELOUX, Cecile PETIGNAUD, Konogan BARANTON, Benjamin ROUSSEAU, Bruno FERMIGIER
Filed: 19 Apr 18
Utility
Method for packaging a spectacle lens
4 May 21
Disclosed is a method for packaging an optical lens including two faces and a peripheral edge, at least one of the faces having a convexity marked by a peak point, the method including the following steps: a step of depositing a protective strip made from a rigid material at least partially along the edge, the width of the strip extending beyond the peak point of the convex face of the lens; a step of inserting the lens into an envelope delimited by a wall; a step of positioning the lens in the envelope, such that the protective strip acts as a spacer in order to maintain a distance between the wall of the envelope and the convex face of the lens and thus preventing any contact between the wall and the face.
Patrick Henry
Filed: 8 Dec 16
Utility
Electrochromic device with selective membrane
4 May 21
An electrochromic device including a selective membrane separating two liquid media including at least one electrochromic compound and at least one compound able to be oxidized or reduced and showing low energy consumption.
Jerome Ballet, Samuel Archambeau, Jean-Paul Cano, David Escaich, Claudine Biver
Filed: 21 Jun 18
Utility
Method for testing the feasibility of a pair of spectacles
4 May 21
Benoit Holvoet Vermaut, Luc Martin
Filed: 6 Oct 16