公开(公告)号：US11221505B2

公开(公告)日：2022-01-11

申请号：US16324624

申请日：2017-06-20

Applicant: Rodenstock GmbH

Inventor： Markus Tiemann ,  Martin Dumm ,  Monika Füss ,  Roswitha Fendt ,  Holger Wild

IPC: G02C13/00 ,  B29D11/00 ,  G02C7/02

Abstract: In a method for checking the centration of at least one spectacle lens, the spectacle lens is arranged in a field of capture of an image capturer; at least one image of the spectacle lens is captured by means of the image capturer; and positions of functional engravings of the spectacle lens in the captured image are determined. Furthermore, at least one lens contour of the at least one spectacle lens in the captured image is determined and the centration of the spectacle lens is checked taking into account the determined positions of the functional engravings, the determined lens contour and a known, wearer-dependent target geometry of the centration.

公开(公告)号：US20210253865A1

公开(公告)日：2021-08-19

申请号：US17251445

申请日：2019-06-05

Applicant: RODENSTOCK GMBH

Inventor： Udo WEIGAND ,  Herbert ZINNER ,  Yven ROHLFING

IPC: C09B69/10 ,  C09K9/02

Abstract: The present invention relates to new photochromic, fused naphthopyran systems having specific substituents R1, which can be used to attain very rapid lightening speeds, without detriment to the depth of darkening after excitation, and also to the use thereof in plastics of all kinds.

公开(公告)号：US10736504B2

公开(公告)日：2020-08-11

申请号：US16620744

申请日：2018-06-12

Applicant: Rodenstock GMBH

Inventor： Peter Seitz ,  Markus Tiemann

IPC: A61B3/00 ,  A61B3/11 ,  A61B3/14

Abstract: The invention relates to a method for highly accurate determining of a pupil diameter of an eye, using a camera system for spatial capturing of objects, the method including: imaging stereoscopic capturing of an eye region, wherein for an eye of the eye region a first and a second stereoscopic image arise. For each of the two stereoscopic images the method further includes: Transferring of the captured eye region into a color space. Determining of a region, within the captured eye region, as a region within a pupil of the captured eye region. Determining of a closed outer edge of the region within the pupil. Iterative determining of a closed outer pupil edge. The invention further relates to a corresponding device.

公开(公告)号：US10716468B2

公开(公告)日：2020-07-21

申请号：US14650354

申请日：2013-12-23

Applicant: Rodenstock GmbH

Inventor： Stephan Trumm ,  Gregor Esser

IPC: A61B3/103 ,  G02B3/06

Abstract: A method and a device for stimulating accommodation of at least one eye of a test person. There is a reliable possibility for determining a set of ophthalmological data relating to at least one eye of the test person and particularly for measuring refractive error of the test person and for determining a corresponding optical correction. The device for determining a set of ophthalmological data relating to at least one eye of a test person, in particular a device for objectively determining refraction comprises: an accommodation stimulating device which is designed to project a virtual target having a spherical effect and having an adjustable cylindrical effect into the at least one eye of the test person; and a measuring device for determining ophthalmological data relating to the at least one eye of the test person.

公开(公告)号：US10647852B2

公开(公告)日：2020-05-12

申请号：US16336185

申请日：2017-05-23

Applicant: RODENSTOCK GMBH

Inventor： Udo Weigand ,  Herbert Zinner

IPC: C09B57/00 ,  G02B1/04 ,  G02B5/23 ,  C07D293/04 ,  C07D493/14 ,  C07D495/04 ,  C07D493/04

Abstract: The present invention relates to photochromic polyfused naphthopyrans having very long-wave absorption of the closed form extending well into the visible wavelength range, and to the use thereof in all kinds of plastics, especially for ophthalmic purposes, preferably in driving glasses.

公开(公告)号：US20200100671A1

公开(公告)日：2020-04-02

申请号：US16620744

申请日：2018-06-12

Applicant: Rodenstock GMBH

Inventor： Peter SEITZ ,  Markus TIEMANN

IPC: A61B3/11 ,  A61B3/14 ,  A61B3/00

Abstract: The invention relates to a method for highly accurate determining of a pupil diameter of an eye, using a camera system for spatial capturing of objects, the method including: imaging stereoscopic capturing of an eye region, wherein for an eye of the eye region a first and a second stereoscopic image arise. For each of the two stereoscopic images the method further includes: Transferring of the captured eye region into a color space. Determining of a region, within the captured eye region, as a region within a pupil of the captured eye region. Determining of a closed outer edge of the region within the pupil. Iterative determining of a closed outer pupil edge. The invention further relates to a corresponding device.

公开(公告)号：US10216010B2

公开(公告)日：2019-02-26

申请号：US15504238

申请日：2015-08-17

Applicant: Rodenstock GmbH

Inventor： Markus Tiemann ,  Peter Seitz ,  Leo Schmid ,  Adam Muschielok

IPC: G02C13/00

Abstract: A method of determining of user data for the production of an eyeglass lens for a selected eyeglass frame for a user. The method includes providing an eyeglass frame image data set of the selected eyeglass frame; gathering user image data at least of one portion of the user's head, together with at least one part of the selected eyeglass frame worn by the user; finding the pupils of the user in the user image data, and determining a pupil data set, said pupil data set comprising the size and/or the shape and/or the relative distance between the pupils of the user; and determining contour points of the rim of the eyeglass lens to be produced in the user image data, based on the eyeglass frame image data set and the pupil data set.

公开(公告)号：US10175505B2

公开(公告)日：2019-01-08

申请号：US15129036

申请日：2015-03-19

Applicant: Rodenstock GmbH

Inventor： Adam Muschielok ,  Wolfgang Becken ,  Helmut Altheimer ,  Gregor Esser ,  Edda Wehner

IPC: G02C7/04 ,  G02C7/06 ,  G02C7/02

Abstract: An ophthalmic lens for presbyopia correction, having at least one diffractive structure, wherein the diffractive structure has at least one region of variable diffraction efficiency in which the diffraction efficiency of at least one diffraction order of the diffractive structure that contributes to the focal power of the lens varies depending on the visual point on the ophthalmic lens.

公开(公告)号：US10161828B2

公开(公告)日：2018-12-25

申请号：US15558106

申请日：2016-04-15

Applicant: RODENSTOCK GMBH

Inventor： Stephan Trumm ,  Johann Auer ,  Werner Müller

IPC: G01J4/00 ,  G01M11/02 ,  G01N21/19 ,  G01N21/21 ,  G01N21/27

Abstract: In a method for calibrating a polarization axis measuring device, both flat sides of a calibration element in a polarization axis measuring device are irradiated with polarized light, wherein the method involves aligning in each case at least one polarization direction of the light in a first and/or second rotational position with a principal axis in a predefined angular relationship with respect to a polarization axis of the calibration element. Determining the rotational position of an axis of the calibration element is carried out by determining an angle bisector between the first and second rotational positions of the polarization direction of the incident light. The method involves assigning a predefined angle value for the rotational position of the principal axis of the polarization direction for which the latter is in the predefined angular relationship with respect to the axis of the calibration element inserted as intended. Furthermore, the invention relates to a method for determining polarization axes of spectacle lenses, to a calibration element, and to a polarization axis measuring device comprising a calibration element.

公开(公告)号：US10077274B2

公开(公告)日：2018-09-18

申请号：US14899389

申请日：2014-06-12

Applicant: RODENSTOCK GMBH

Inventor： Udo Weigand ,  Herbert Zinner ,  Yven Rohlfing

IPC: C07D493/04 ,  C08K5/1575 ,  G02C7/02 ,  G02C7/10 ,  G02B5/23

CPC classification number: C07D493/04 ,  C08K5/1575 ,  G02B5/23 ,  G02C7/022 ,  G02C7/102

Abstract: The present invention relates to UV-curing-compatible photochromic single- or double-fused naphthopyrans of the general formulae (I) or (II) and the use thereof in plastics of all kinds, particularly for ophthalmic purposes. The photochromic compounds according to the invention are characterized by their excellent UV-curing compatibility, i.e. they remain undamaged—incorporated, for example, in an acrylate monomer matrix with UV initiator—by a free-radical polymerization of the matrix initiated by strong UV light. The photochromic dyes according to the invention, by means of suitable choice of substituents, are in addition characterized by two distinct absorption bands of the open form in the visible wavelength range, i.e. two conventional photochromic dyes, each having one discrete absorption band, can be replaced with a molecule of this type.