Patents by Inventor Andrea Welk
Andrea Welk 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: 8506076Abstract: A method and system for producing a first spectacle lens for a specific situation of wear for correcting at least a first astigmatic refraction of a first eye of a wearer, which has a first cylinder reference axis ?0(1) in a reference direction of sight ?ez(1) of the first eye. According to the method and apparatus, a primary direction of sight ?e?(1,p) of the first eye for at least one primary evaluation point ib(1,p) of the first spectacle lens is determined and a corresponding primary direction of sight ?e?,k(2,p) of a second eye of the spectacle wearer that corresponds to the primary direction of sight ?e?(1,p) of the first eye in the specific situation of wear is also determined.Type: GrantFiled: November 12, 2009Date of Patent: August 13, 2013Assignee: Rodenstock GmbHInventors: Wolfgang Becken, Andrea Welk, Anne Seidemann, Gregor Esser, Helmut Altheimer, Dietmar Uttenweiler
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Publication number: 20130027657Abstract: Optimizing a spectacle lens by: obtaining prescription or refraction data VA11 and VA12 of a wearer for at least two different object distances A11 and A12 (A11?A12), comprising data relating to a spherical power Sphv, a magnitude of an astigmatism CylV, and an astigmatism axis AxisV; specifying an object distance model A1(x, y), wherein A1 designates the object distance and (x, y) designates a visual spot or visual point of the spectacle lens in a predetermined direction of sight; specifying a function PRef=ƒ(A1), which describes the dependence of a power vector P Ref = ( M Ref J 0 Ref J 45 Ref ) = ( Sph V + Cyl V 2 - Cyl V 2 ? cos ? ? 2 ? ? Axis V J 45 Ref = - Cyl V 2 ? sin ? ? 2 ? ? Axis V ) of the prescription on the object distance A1, determining the components of the power vector PRef of the prescription in a plurality of visual points (x, y) on the basis of the object distance model A1(x,Type: ApplicationFiled: April 21, 2011Publication date: January 31, 2013Applicant: Rodenstock GmbHInventors: Gregor Esser, Helmut Altheimer, Wolfgang Becken, Andrea Welk, Dietmar Uttenweiler
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Patent number: 8356896Abstract: The invention relates to a method for specifying or determining the spatial position of a distance reference point and/or a near reference point of a progressive spectacle lens for correcting defective vision of a spectacle wearer. Said method consists of the following steps: individual data of the spectacle wearer is obtained; the individual vertical and/or the horizontal position of the distance reference point and/or the near reference point is determined or calculated in accordance with the determined individual data of the spectacle wearer.Type: GrantFiled: January 25, 2008Date of Patent: January 22, 2013Assignee: Rodenstock GmbHInventors: Gregor Esser, Nadine Jung, Katrin Nicke, Ilka Schwarz, Andrea Welk, Martin Zimmerman
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Patent number: 8118425Abstract: A spectacle lens with an object-sided front face and an eye-sided rear face, wherein at last the rear face comprises a viewing region that contributes to the optical effect of the spectacle lens and a carrier rim region that at least partially surrounds the viewing region and that does not significantly contribute to the optical effect of the spectacle lens. The rear face of the spectacle lens in the carrier rim zone is constructed substantially from a cosmetic viewpoint without consideration of the optical image-forming properties. A method for producing this spectacle lens is also provided.Type: GrantFiled: February 21, 2005Date of Patent: February 21, 2012Assignee: Rodenstock GmbHInventors: Gregor Esser, Helmut Altheimer, Andrea Welk, Martin Zimmermann, Wolfgang Becken, Edda Wehner
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Publication number: 20120016645Abstract: A method and apparatus for creating a progressive spectacle lens design by transforming a starting design. The starting design is defined to include specifications for the course of a principal line and specification of at least one base target isoastigmatism line with a constant base target astigmatism, in which the base target isoastigmatism line passes through a first predetermined control point {right arrow over (r)}1=(u1,y1). The method and apparatus transform the starting design by shifting the first control point {right arrow over (r)}1=(u1,y1) along a predetermined or predeterminable curve, taking into account the design and/or the spectacle lens wearer-specific data; modifying the course of the base target isoastigmatism line such that it passes through the shifted first control point {right arrow over (r)}?1(u?1,y?1); and calculating a target astigmatism distribution A(u,y), which exhibits the modified base target isoastigmatism line.Type: ApplicationFiled: December 9, 2009Publication date: January 19, 2012Applicant: Rodenstock GmbhInventors: Helmut Altheimer, Wolfgang Becken, Gregor Esser, Dietmar Uttenweiler, Andrea Welk
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Publication number: 20120008090Abstract: A method and device for calculating design parameters of a design of a progressive spectacle lens on the basis of a predetermined design polygon. The design parameters are calculated by specifying a point within the design polygon, in which the specified point defines the progressive spectacle lens design, and then determining a value of each design parameter at the specified point by an interpolation of at least part of the predetermined values at the corner points and, optionally, of at least part of the predetermined values of the design parameter at the at least one additional point.Type: ApplicationFiled: January 22, 2010Publication date: January 12, 2012Applicant: Rodenstock GmbHInventors: Helmut Atheimer, Wolfgang Becken, Gregor Esser, Dietmar Uttenweiler, Andrea Welk, Jochen Brosig, Christina Butz, Nadine Jung, Katrin Nicke, Ilka Schwarz, Robert Bichler, Martin Zimmermann, Werner Mueller, Hans Stetter
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Publication number: 20110299032Abstract: A method and system for producing a first spectacle lens for a specific situation of wear for correcting at least a first astigmatic refraction of a first eye of a wearer, which has a first cylinder reference axis ?0(1) in a reference direction of sight ?ez(1) of the first eye. According to the method and apparatus, a primary direction of sight ?e?(1,p) of the first eye for at least one primary evaluation point ib(1,p) of the first spectacle lens is determined and a corresponding primary direction of sight ?e?,k(2,p) of a second eye of the spectacle wearer that corresponds to the primary direction of sight ?e?(1,p) of the first eye in the specific situation of wear is also determined.Type: ApplicationFiled: November 12, 2009Publication date: December 8, 2011Applicant: RODENSTOCK GMBHInventors: Wolfgang Becken, Andrea Welk, Anne Seidemann, Gregor Esser, Helmut Altheimer, Dietmar Uttenweiler
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Patent number: 7930151Abstract: A method of calculating an individual progressive lens creates one or more basic designs for lenses based on theoretical specifications, and then creates starting designs from these basic designs. Individual progressive lenses are calculated from the starting designs corresponding to the individual data from wearing test subjects. Valid starting designs are then created for production. The individual lenses are calculated from the starting designs according to individual customer data.Type: GrantFiled: December 19, 2003Date of Patent: April 19, 2011Assignee: Rodenstock GmbHInventors: Stephan Haser, Andrea Welk, Gregor Esser, Helmut Altheimer, Walter Haimerl
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Patent number: 7896493Abstract: The invention relates to a method comprising the following steps:—a bridge width (b), a glass length (I), and a frame glass angle (fF) are predefined as eyeglass frame data;—a base curve (BK) as well as a nasal and a temporal facet position (aFn, aFt) are predefined as eyeglass lens data;—a user's pupil distance (pL, pR) is predefined as user data;—a horizontal angle of tilt (fG) of the eyeglass lens (12) is determined at a reference point in the used position, the reference point being the point of intersection between the horizontal main beam facing the eye in the neutral viewing direction (NBR) of the user and the area (14) of the eyeglass lens which faces the object, and the horizontal angle of tilt (fG) being the angle enclosed by a horizontal tangent (26) of the area (14) of the eyeglass lens (12) which faces the object at the reference point (B) and a straight horizontal reference line (HR) located on a plane that extends perpendicular to the horizontal main beam in the neutral viewing direction (NBR)Type: GrantFiled: September 29, 2005Date of Patent: March 1, 2011Assignee: Rodenstock GmbHInventors: Andrea Welk, Helmut Altheimer
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Publication number: 20100296055Abstract: The invention relates to a method for specifying or determining the spatial position of a distance reference point and/or a near reference point of a progressive spectacle lens for correcting defective vision of a spectacle wearer. Said method consists of the following steps: individual data of the spectacle wearer is obtained; the individual vertical and/or the horizontal position of the distance reference point and/or the near reference point is determined or calculated in accordance with the determined individual data of the spectacle wearer.Type: ApplicationFiled: January 25, 2008Publication date: November 25, 2010Applicant: Rodenstock GmbHInventors: Gregor Esser, Nadine Jung, Katrin Nicke, Ilka Schwarz, Andrea Welk, Martin Zimmerman
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Patent number: 7771047Abstract: A method of producing a progressive spectacle glass by defining an ordering value for the average use value in the far reference point of the progressive spectacle glass, calculating the progressive spectacle glass while taking into account a calculation value of the average use value in the far reference point, the calculation value having a negative desired refraction deviation between 0.03 dpt and 0.2 dpt with respect to the ordering value in the far reference point, and producing the calculated progressive spectacle glass.Type: GrantFiled: August 17, 2004Date of Patent: August 10, 2010Assignee: Rodenstock GmbHInventors: Helmut Altheimer, Gregor Esser, Andrea Welk, Leonhard Schmid, Martin Zimmermann, Kerstin Schmid, Norbet Awrath, Jochen Brosig, Winfried Nikolaus, Werner Müller, Ilka Schwarz
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Patent number: 7673990Abstract: An individual eyeglass lens in which the vertical distance from the near reference point to the far distance point amounts to max. 18 millimeters, the progressive length is max. 14 millimeters, the main progressive length is max. 10 millimeters and the increase in refractive index, starting from the effect of the eyeglass lens at the far reference point up to a point 2 millimeters below the centering point amounts to less than 10% of the addition. The progressive length corresponds essentially to the vertical distance between the far reference point and a point essentially on the main line at which, starting from the far reference point, the value of the effect of the eyeglass lens corresponding the first time essentially to the near value.Type: GrantFiled: October 22, 2004Date of Patent: March 9, 2010Assignee: Rodenstock GmbHInventors: Gregor Esser, Helmut Altheimer, Norbert Awrath, Jochen Brosig, Walter Haimerl, Winfried Nikolaus, Kerstin Schmid, Edda Wehner, Andrea Welk, Martin Zimmermann
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Patent number: 7540611Abstract: A method is described for designing and optimizing an individual spectacle lens. The invention is characterized in that a draft design is made by an ophthalmologist on a video workstation by means of a computer program; the design is communicated to a manufacturer or an optical computing office; and that the manufacturer optimizes an individual spectacle lens on the basis of these stipulations.Type: GrantFiled: August 26, 2002Date of Patent: June 2, 2009Assignee: Rodenstock GmbHInventors: Andrea Welk, Walter Haimerl, Gregor Esser, Peter Baumbach, Helmut Altheimer, Edda Wehner
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Publication number: 20090103046Abstract: The invention relates to a method comprising the following steps:—a bridge width (b), a glass length (I), and a frame glass angle (fF) are predefined as eyeglass frame data;—a base curve (BK) as well as a nasal and a temporal facet position (aFn, aFt) are predefined as eyeglass lens data;—a user's pupil distance (pL, pR) is predefined as user data;—a horizontal angle of tilt (fG) of the eyeglass lens (12) is determined at a reference point in the used position, the reference point being the point of intersection between the horizontal main beam facing the eye in the neutral viewing direction (NBR) of the user and the area (14) of the eyeglass lens which faces the object, and the horizontal angle of tilt (fG) being the angle enclosed by a horizontal tangent (26) of the area (14) of the eyeglass lens (12) which faces the object at the reference point (B) and a straight horizontal reference line (HR) located on a plane that extends perpendicular to the horizontal main beam in the neutral viewing direction (NBR)Type: ApplicationFiled: September 29, 2005Publication date: April 23, 2009Applicant: RODENSTOCK GMBHInventors: Andrea Welk, Helmut Altheimer
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Publication number: 20080231800Abstract: A spectacle lens with an object-sided front face and an eye-sided rear face, wherein at last the rear face comprises a viewing region that contributes to the optical effect of the spectacle lens and a carrier rim region that at least partially surrounds the viewing region and that does not significantly contribute to the optical effect of the spectacle lens. The rear face of the spectacle lens in the carrier rim zone is constructed substantially from a cosmetic viewpoint without consideration of the optical image-forming properties. A method for producing this spectacle lens is also provided.Type: ApplicationFiled: February 21, 2005Publication date: September 25, 2008Applicant: RODENSTOCK GMBHInventors: Gregor Esser, Helmut Altheimer, Andrea Welk, Martin Zimmermann, Wolfgang Becken, Edda Wehner
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Patent number: 7338162Abstract: A workplace screen lens, having a workplace screen lens optimized at the middle of the lens for the middle viewing distances of approximately 60 centimeters to approximately 90 centimeters, and the progressive channel at the middle of the lens is at least 4 millimeters wide. The effect increases from the middle of the lens toward the bottom with the vertical coordinate y equal to approximately 0, reaching a near vision zone with an essentially constant effect at y equal to approximately ?12 millimeters. The progressive channel has a width of least 15 millimeters in the near vision zone, preferably at the near-reference point, the effect decreases from the middle of the lens up to y equal to approximately +10 millimeters to approximately +12 millimeters above the middle of the lens.Type: GrantFiled: October 25, 2004Date of Patent: March 4, 2008Assignee: Rodenstock GmbHInventors: Helmut Altheimer, Gregor Esser, Walter Haimerl, Edda Wehner, Andrea Welk
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Patent number: 7334893Abstract: An ophthalmic lens and a method for producing a progressive ophthalmic lens having at least one progressive surface, where by a calculation and optimization step in the production of the progressive lens is performed. The absolute value of the rotation |rot {right arrow over (A)}| and/or the divergence |div {right arrow over (A)}| of a vectorial astigmatism {right arrow over (A)} is as small as possible, and the absolute value |{right arrow over (A)}| of the vectorial astigmatism {right arrow over (A)} is proportional to the absolute value of an astigmatism in the use position of the progressive lens. The direction of the vectorial astigmatism {right arrow over (A)} is proportional to the axial position of an astigmatism in the use position of the progressive lens or a surface astigmatism of the at least one progressive surface of the progressive lens.Type: GrantFiled: August 23, 2004Date of Patent: February 26, 2008Assignee: Rodenstock GmbHInventors: Helmut Altheimer, Gregor Esser, Wolfgang Becken, Walter Haimerl, Andrea Welk, Edda Wehner
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Publication number: 20070279587Abstract: An individual eyeglass lens in which the vertical distance from the near reference point to the far distance point amounts to max. 18 millimeters, the progressive length is max. 14 millimeters, the main progressive length is max. 10 millimeters and the increase in refractive index, starting from the effect of the eyeglass lens at the far reference point up to a point 2 millimeters below the centering point amounts to less than 10% of the addition. The progressive length corresponds essentially to the vertical distance between the far reference point and a point essentially on the main line at which, starting from the far reference point, the value of the effect of the eyeglass lens corresponding the first time essentially to the near value.Type: ApplicationFiled: October 22, 2004Publication date: December 6, 2007Applicant: RODENSTOCK GMBHInventors: Gregor Esser, Helmut Altheimer, Norbert Awrath, Jochen Brosig, Walter Haimerl, Winfried Nikolaus, Kerstin Schmid, Edda Wehner, Andrea Welk, Martin Zimmermann
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Patent number: 7300153Abstract: A double progressive spectacle lens in which a first prescribed progressive surface can be freely designed. The second progressive surface is then optimized in relation to the first prescribed surface. Thereby, the resulting spectacle lens avoids the need to employ a classic hourglass design progression zone and produces optical and geometric advantages such as an overall height of the progressive lens.Type: GrantFiled: December 19, 2003Date of Patent: November 27, 2007Assignee: Rodenstock GmbHInventors: Edda Wehner, Andrea Welk, Gregor Esser, Helmut Altheimer, Walter Haimerl
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Publication number: 20070252949Abstract: A workplace screen lens, having a workplace screen lens optimized at the middle of the lens for the middle viewing distances of approximately 60 centimeters to approximately 90 centimeters, and the progressive channel at the middle of the lens is at least 4 millimeters wide. The effect increases from the middle of the lens toward the bottom with the vertical coordinate y equal to approximately 0, reaching a near vision zone with an essentially constant effect at y equal to approximately ?12 millimeters. The progressive channel has a width of least 15 millimeters in the near vision zone, preferably at the near-reference point, the effect decreases from the middle of the lens up to y equal to approximately +10 millimeters to approximately +12 millimeters above the middle of the lens.Type: ApplicationFiled: October 25, 2004Publication date: November 1, 2007Applicant: Rodenstock GmbHInventors: Helmut Altheimer, Gregor Esser, Walter Haimerl, Edda Wehner, Andrea Welk