737 patents
Page 31 of 37
Utility
Ophthalmic device comprising an ophthalmic spectacle lens and a plurality of electronic components
6 Jul 20
An ophthalmic spectacle lens and a plurality of electronic components arranged in a form of at least one strip in contact with and along the periphery of the ophthalmic lens.
Stephane Perrot, Willy Chaudat, Jerome Ballet, Samuel Archambeau, Jean-Paul Cano, David Escaich
Filed: 26 Dec 16
Utility
Hard multi-coat on optical article
6 Jul 20
An optical device and method for manufacturing the optical device is provided.
William Eagerton
Filed: 15 Dec 16
Utility
Method for generating settings for machining an optical lens
6 Jul 20
Disclosed is a method for generating settings for machining an optical lens, including: a) acquiring a file characterizing the shape to which the optical lens must be machined in order to allow it to be mounted in a spectacle frame; b) decomposing the shape into a plurality of distinct objects, including an exterior envelope inside of which all the other objects are located; c) determining a machining order of the other objects; and d) generating the machining settings depending on the machining order.
Vincent Anatole, Cedric Sileo
Filed: 6 Oct 16
Utility
High Refractive Index Nanoparticles
1 Jul 20
Disclosed is a synthesis method for preparing tantalum pentoxide colloid including the steps of: a.
Yves LECLAIRE, Jian ZHAO, Liyi SHI, Shuai YUAN, Meihong ZHANG, Zhuyi WANG
Filed: 15 Jun 17
Utility
Method for Determining a Filter for an Ophthalmic Lens and Ophthalmic Lens Comprising Such a Filter
1 Jul 20
Disclosed is a method for determining a filter for an ophthalmic lens to be placed in front of the eye of the wearer, the filter being able to improve or maintain the visual comfort and/or the visual performances of the wearer.
Anne-Catherine SCHERLEN, Adele LONGO
Filed: 4 Mar 20
Utility
Systems for and methods of surfacing a composite lens blank with functional layer
29 Jun 20
Disclosed are systems and processes for generating a finished or semi-finished lens, such as a spectacle lens, from a lens blank that includes an intermediate functional layer.
Ronald A. Berzon, Aref Jallouli, Hao-Wen Chiu, Gary S. Clark
Filed: 20 Oct 15
Utility
Methods and systems for augmented reality
29 Jun 20
Methods and systems (terminals, devices) for the generation, the retrieval and the display of computer-generated holographic images through a head-mounted display.
Samuel Archambeau, Jerôme Ballet, Aude Bouchier, Jean-Paul Cano, David Escaich, Stephane Perrot
Filed: 2 Sep 14
Utility
Method and System for Determining a Pupillary Distance of an Individual
24 Jun 20
A method for determining a pupillary distance of an individual, includes the following steps: —displaying an object on a screen located in front of the individual, the displayed object being positioned at a location in front of one eye of the individual; —instructing the individual to look with at least the eye at the displayed object; —acquiring at least an image of a part of the body of the individual including the eye; —determining the location of a plurality of specific features in the acquired image, one of the specific features being a pupil of the eye of the individual; and —calculating the pupillary distance based on the location of the plurality of specific features.
Charles LEBRUN, Cécile PETIGNAUD, Alvin FRANÇOIS
Filed: 14 Jun 18
Utility
Device for Pneumatically Blocking a Semi-finished Optical Element
24 Jun 20
A blocking device includes a support member configured for providing a rigid support to the semi-finished optical element, the support member having a contact face onto which a first face of the optical element is to be applied; and a pneumatic blocking member defining a cavity configured to be closed by the first face of the optical element, the pneumatic blocking member being configured to sustain a vacuum inside the cavity so that the optical element is attached to the blocking device; the support member including a support element made of a shape-memory material having a rigid state below a predetermined temperature and a plastic state above the predetermined temperature, and assuming in the absence of external forces a predetermined memory shape when heated above the predetermined temperature, the contact face of the support member being a surface of the support element.
Sébastien PINAULT, Luc MARTIN, Jérôme MOINE, Xavier BULTEZ
Filed: 11 Jun 18
Utility
Method for optimizing an optical lens equipment for a wearer
22 Jun 20
Method for optimizing an optical lens equipment for a wearer Method for optimizing an optical lens equipment for a wearer, the method comprising:—an eye tracking device providing step, during which a spectacle frame mounted eye tracking device is provided to the wearer, —a wearer parameter monitoring step, during which at least one parameter relating to the eyes of the wearer is monitored using the eye tracking device and—an optimization step during which the optical lens equipment is optimized based at least partly on the base of the monitoring of the at least one parameter during the wearer parameter monitoring step.
Romain Fayolle, Pascal Allione, Sylvain Chene, Delphine Tranvouez
Filed: 16 Feb 15
Utility
Ophthalmic progressive addition lens for a myopic or emmetropic presbyopic wearer; method for providing such a lens
22 Jun 20
An ophthalmic progressive addition lens for a myopic or emmetropic presbyopic wearer which has a prescribed far vision mean refractive power and a non nil prescribed addition, ADDp, the lens having a far vision reference point, a mean refractive power, PPO(α, β), a module of resulting astigmatism, ASR(α, β), a meridian line, ML(α, β), the (α, β) functions being determined in as-worn conditions of the lens by the wearer for gaze directions (α, β) joining the center of rotation of the eye, CRE, and the lens, wherein α is a lowering angle in degree and β is an azimuth angle in degree, and wherein a lens criterion, A1/A2, fulfils: A1/A2≥0.50, wherein: A1=α100%−α85%; A2=α100%−α60%.
Benjamin Rousseau, Melanie Heslouis, Sebastien Fricker, Nacer Lakhchaf, Guilhem Escalier, Thierry Bonnin, Isabelle Poulain, Valerie Jolivet, Juliette Wierzbicki
Filed: 10 Oct 16
Utility
Spectacles comprising a pair of progressive lenses
22 Jun 20
A pair of spectacle progressive lenses configured for a wearer suffering from convergence insufficiency or imbalance.
Berangere Granger, Sebastien Fricker
Filed: 28 Jul 15
Utility
Electronic frame for an optical device and a method for operating said electronic frame
15 Jun 20
An electronic frame for an optical device, including: a frame surface element configured to house, at least in part, at least one lens, and connected to at least one temple by respective ends; a circuit controlling operation of at least one electronic component; at least one magnetic or electric field transmitter and one magnetic or electric field sensor, at least one of the sensor or transmitter mounted to be movable relative to one another between first and second positions, the sensor configured to detect a first field direction and a first field value emitted by the transmitter in the first position, and a second field direction and a second field value emitted by the transmitter in the second position, to generate a first position signal or a second position signal towards the control circuit to prompt a response from the control circuit towards the at least one electronic component.
Ludovic Jouard, Cedric Gilbert
Filed: 7 Sep 16
Utility
Machines for transferring a preformed functional film onto an ophthalmic substrate and method for producing an ophthalmic lens comprising a method for transferring the preformed film onto the substrate
15 Jun 20
A machine for transferring a preformed functional film onto a curved face of an ophthalmic substrate, including: a first device for receiving and holding the substrate; a second device for receiving the film, the first device and/or second device configured to hold the film by applying a pressure force to the periphery thereof; a first mechanism for moving the devices, configured to place the curved face such that it faces the film, a second mechanism for moving the devices, configured to bring into contact the center of the film with the center of the curved face and to apply the film with the substrate to radially spread, from the center of the film up to the periphery thereof, a conformal contact between the film and the curved face; and a control and command unit configured to control at least the second mechanism when the film and the substrate are in contact.
Michel Matz, Herve Gentils, Jean-Marc Tridon
Filed: 16 Feb 17
Utility
Frame for a Head Mounted Device
10 Jun 20
A frame for a head mounted device including: a front part; a first temple configured to be electronically connected to the front part via a first connection and including a battery providing electrical power arranged in a cavity in the first temple and connected electrically to the first connection; a second temple configured to be electrically connected to the front part and having a cavity therein configured to receive therein at least one electronic module; and a second connection configured to connect electrically the battery of the first temple to the at least one electronic module of the second temple via the front part to receive power therefrom.
Denis ROUSSEAU, Marie LORE, Guillaume BROUTIN, Jean SAHLER, Paul GIL
Filed: 1 Jun 17
Utility
Photocurable Composition for Three-dimensional Stereolithography and Three-dimensional Object
10 Jun 20
A photocurable composition for three-dimensional stereolithography which has a lower viscosity and from which a cured product having a high refractive index is obtained, and a three-dimensional object formed by using the composition.
Christophe PROVIN, Akiko MIYAKAWA
Filed: 27 Jul 17
Utility
Method for Detecting a Probable Error In a Set of Data Relative to a Wearer And/or a Frame Chosen by the Wearer
10 Jun 20
Disclosed is a method for detecting a probable error in a set of data relative to a wearer and/or to a frame chosen by the wearer, at least one of these data being used for ordering an ophthalmic lens to be fitted into the frame for the wearer, the set of data including at least a value of a first parameter and a value of a second parameter different from the first parameter, the first and second parameters being relative to the wearer and/or a frame chosen by the wearer, the method including: a) determining a level of consistency of the values of the first and second parameter with each other, based on a predetermined statistical consistency rule linking the first and second parameters; and b) emitting, based on this level of consistency, an alert signal in order to report a probable error.
Guilhem ESCALIER, Pascal ALLIONE
Filed: 29 Jun 17
Utility
Optical Article Comprising a Substrate with Embedded Particles for Light Transmission Enchancement
10 Jun 20
The invention relates to an optical article having a substrate made of an optical material comprising a polymer matrix and an improved light transmission in the visible range.
Pierre FROMENTIN, Hélène MAURY, Francisco DE AYGUAVIVES, Thanisararat SALEESUNG
Filed: 7 Aug 18
Utility
Optical Article Comprising an Interferential Coating with a High Reflection In the Near Infrared Region (Nir)
10 Jun 20
This invention relates to an optical article comprising a transparent substrate with a front main face and with a rear main face, at least one of the main faces being coated with an interferential coating, characterized in that said interferential coating comprises a stack comprising :—at least one layer having a low refractive index which is <1.6, called “LI layer”,—at least one HI/VHI/HI triplet of three layers composed of one layer:—having a very high refractive index which is ≥2.1, called “VHI layer”, •surrounded on both sides by two layers having a high refractive index which is ≥1.6, called “HI layers”, and such that the mean reflectance in ultra violet (UV) region Ruv of said interferential coating is lower than or equal to 10% at an angle of incidence comprised between 30° and 45°.
Xinzhao DING
Filed: 8 Aug 17
Utility
Blocking Device for a Semi-finished Optical Element
10 Jun 20
The blocking device includes a blocking portion configured for blocking the semi-finished optical element and including a support member configured for providing a rigid support to the semi-finished optical element, the support member including a support element made of a shape-memory material having a rigid state below a predetermined temperature and a plastic state above the predetermined temperature, the support element assuming in the absence of external forces a predetermined memory shape when heated above the predetermined temperature, the support member having a contact face onto which the first face of the semi-finished optical element is to be applied; saind blocking portion including at least one of a heating device configured for heating the support element above the predetermined temperature and a cooling device configured for cooling the support element below the predetermined temperature.
Sébastien PINAULT, Luc MARTIN, Jérôme MOINE, Xavier BULTEZ
Filed: 11 Jun 18