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Rodenstock Gmbh patents


Recent patent applications related to Rodenstock Gmbh. Rodenstock Gmbh is listed as an Agent/Assignee. Note: Rodenstock Gmbh may have other listings under different names/spellings. We're not affiliated with Rodenstock Gmbh, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "R" | Rodenstock Gmbh-related inventors


Method for creating a design of a prescription surface of a multifocal lens and multifocal lens comprising such a prescription surface

In a method for creating a design of a prescription surface of a multifocal lens, in particular for a progressive spectacle lens, at first data and second data for describing at least one aberration of an eye of a proband for a first situation of use and a second situation of use, respectively, are obtained, and then a first set of parameters and a second set of parameters of a predetermined prescription surface equation are determined from the first and second data, wherein the prescription surface equation is assigned to a first reference point of the prescription surface for the first set of parameters, and is assigned to a second reference point of the prescription surface for the second set of parameters.. . ... Rodenstock Gmbh

Method and apparatus for determining surface data and/or measurement data relating to a surface of an at least partially transparent object

A method and an apparatus for determining surface data and/or measurement data relating to a surface, for the quality control of an at least a partially transparent object, an ophthalmic lens, having an optically active first surface and an opposite optically active second surface. The method includes irradiating polarized light with an irradiation polarization from at least one illumination device onto an analysis area of the object to be examined, wherein, for the purpose of setting the irradiation polarization, the light is passed through a polariser assigned to the illumination device or integrated in the latter, and receiving light which is reflected at the first and/or second surface and has an analysis polarization by use of at least one receiving device, wherein the light is passed through an analyser assigned to the receiving device or integrated in the latter.. ... Rodenstock Gmbh

Method for calibrating a polarisation axis measuring device and method for determining polarisation axes of spectacle lenses for a polarisation axis measuring device

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. ... Rodenstock Gmbh

Device and method for distance determination and / or centering using corneal reflexions

A device including an image capturing device and a measuring device for determining the distance of at least one eye of a user from the image capturing device. The measuring device comprises a lighting device that is arranged at a specified position relative to the image capturing device and is designed to generate at least one specular light reflection, which has a linear portion, on the cornea of the eye of the user. ... Rodenstock Gmbh

Apparatus and method for determining optical parameters

An apparatus for determining optical parameters of a user with spectacles arranged in the use position on the head of the user includes at least one projection device designed and arranged for marking a partial region of the head of the user and/or of the spectacles of the user with a light projection; at least one image recording device designed and arranged for generating image data at least from the marked partial region of the head of the user and/or of the spectacles of the user; and a data processing device with a user data determining device, which is designed to determine user data from the marked partial region of the head and/or of the spectacles on the basis of the generated image data, wherein the user data comprise spatial information in the three-dimensional space of points of the partial region of the head and/or of the spectacles, and a parameter determining device, which is designed to determine optical parameters of the user on the basis of the user data.. . ... Rodenstock Gmbh

Determining user data based on image data of a selected eyeglass frame

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.. ... Rodenstock Gmbh

Brightness-dependent adjustment of a spectacle lens

Adjustment of an eyeglass lens or a pair of eyeglasses by means of an individual brightness-dependent centering of an eyeglass lens. In particular, a method for adjusting an individual eyeglass lens for at least one eye of an eyeglass wearer, including: defining an individual usage situation which comprises at least one target brightness value for the light to be captured by the at least one eye; determining a position of the pupil in at least one direction of view of the at least one eye which occurs or is expected at the at least one target brightness value; determining a reference point of the eyeglass lens, in which the eyeglass lens effects a required correction of individual refraction data for the at least one direction of view; on the basis of the determined individual value of the pupil position, providing and arranging the eyeglass lens in such a manner that the at least one reference point of the eyeglass lens is arranged in front of the at least one eye of the eyeglass wearer.. ... Rodenstock Gmbh

Edging pad having different adhesive zones

The invention relates to an edging pad for releasably connecting a material blank that is to be edged to a holder, wherein the edging pad has a polymeric carrier layer and adhesive coatings which are applied to both sides of the polymeric carrier layer, wherein one side of the polymeric carrier layer, which is to be connected to the holder, has an adhesive coating formed of a first adhesive, and the other side of the polymeric carrier layer, which is to be connected to the material blank, has an adhesive coating formed of a second and a third adhesive which are different from one another, such that the second adhesive provides adhesiveness to the material blank and the third adhesive is an adhesive which limits twisting and slippage of the polymeric carrier layer relative to the material blank, wherein the second adhesive and the third adhesive are applied to the other side of the polymeric carrier layer in separate regions.. . ... Rodenstock Gmbh

Method for determining visual acuity

In a method for providing optotypes for determining distance visual acuity, a test subject position is provided for a test subject and a display surface at a display position. An individual test distance between the test subject position and the display position is, for example, detected automatically. ... Rodenstock Gmbh

Improved ophthalmic lens for presbyopia correction

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.. . ... Rodenstock Gmbh








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