Patents by Inventor Gerhard Kelch
Gerhard Kelch 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: 10558045Abstract: A method for producing an optical element includes providing a first partial body which is transparent for the predetermined wavelength range and including on its upper side a structured section, applying a coating which is optically effective for the predetermined wavelength range onto the structured section in order to form the optically effective structure, and applying a cover layer which is transparent for the predetermined wavelength range onto the upper side of the first partial body by means of casting of thermoplastic material and/or duroplastic material.Type: GrantFiled: September 21, 2015Date of Patent: February 11, 2020Assignee: tooz technologies GmbHInventors: Jens Hofmann, Gerhard Kelch, Wolf Krause, Joerg Puetz, Georg Michels
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Publication number: 20190391411Abstract: A product includes a progressive power spectacle lens or a representation, stored on a data storage medium, of the progressive power spectacle lens. The progressive power spectacle lens has a front surface and a back surface and a spatially varying refractive index, wherein the front surface and/or the back surface is embodied as a progressive surface. The front surface is formed as a free-form surface in such a way that the maximum of the absolute value of the mean curvature of the front surface lies in the intermediate corridor and/or the back surface is formed as a free-form surface in such a way that the minimum of the absolute value of the mean curvature of the back surface lies in the intermediate corridor. Further, a computer-implemented method for planning a progressive power spectacle lens with a spatially varying refractive index and a progressive surface is disclosed.Type: ApplicationFiled: July 18, 2019Publication date: December 26, 2019Inventors: Gerhard Kelch, Christoph Menke, Helmut Wietschorke
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Patent number: 10433724Abstract: The invention relates to a method and an apparatus for determining the location of at least two optical parameters of an eye of a test person. In the method, at least two optical parameters of an eye having a reference structure are photographically recorded to determine in each case one of the optical parameters of the eye. The apparatus for determining at least two optical parameters of an eye having a reference structure is provided with separate recording units for photographically recording the eye for the determination of in each case one of the optical parameters of the eye.Type: GrantFiled: August 13, 2014Date of Patent: October 8, 2019Assignee: Carl Zeiss Vision GmbHInventors: Timo Kratzer, Jesus-Miguel Cabeza-Guillen, Gerhard Kelch
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Publication number: 20190250430Abstract: A spectacle lens has, starting from the object-sided front surface of the spectacle lens to the opposite rear-side of the spectacle lens, at least a) one component A including at least one functional layer FA and/or an ultrathin glass, b) one component B including at least one polymer material and, c) one component C, including at least one functional layer F and/or an ultrathin glass. A method, in particular a 3D printing method, for producing the spectacle lens is also disclosed.Type: ApplicationFiled: April 17, 2019Publication date: August 15, 2019Inventors: Timo Mappes, Gerhard Kelch, Thomas Glöge
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Publication number: 20190171035Abstract: The current disclosure is directed to a method for determining an improved design for a progressive spectacle lens. Further, there are provided a method for manufacturing a progressive spectacle lens, a system for determining an improved design for a progressive spectacle lens, a non-transitory computer program and a progressive spectacle lens.Type: ApplicationFiled: January 28, 2019Publication date: June 6, 2019Inventors: Ray Steven Spratt, Gerhard Kelch
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Patent number: 10185161Abstract: Spectacles include a spectacles lens having a carrier lens with a carrier lens front surface and/or a carrier lens rear surface, and having a front surface lens segment arranged on the carrier lens front surface and/or a rear surface lens segment arranged on the carrier lens rear surface, which are moveably guided on the carrier lens front surface and/or the rear surface lens segment, respectively. Further, the spectacles include a front/rear surface lens segment drive for moving the front/rear surface lens segment on the carrier lens front/rear surface, respectively; an eye position detection device for detecting the position of an eye of a wearer wearing the spectacles; and a drive control device for controlling the front and/or rear surface lens segment drive in accordance with the position of the eye detected by the eye position detection device.Type: GrantFiled: April 8, 2018Date of Patent: January 22, 2019Assignee: Carl Zeiss Vision International GmbHInventors: Jeremias Gromotka, Timo Kratzer, Gerhard Kelch
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Publication number: 20180259793Abstract: Spectacles include a spectacles lens having a carrier lens with a carrier lens front surface and/or a carrier lens rear surface, and having a front surface lens segment arranged on the carrier lens front surface and/or a rear surface lens segment arranged on the carrier lens rear surface, which are moveably guided on the carrier lens front surface and/or the rear surface lens segment, respectively. Further, the specatcles include a front/rear surface lens segment drive for moving the front/rear surface lens segment on the carrier lens front/rear surface, respectively; an eye position detection device for detecting the position of an eye of a wearer wearing the spectacles; and a drive control device for controlling the front and/or rear surface lens segment drive in accordance with the position of the eye detected by the eye position detection device.Type: ApplicationFiled: May 8, 2018Publication date: September 13, 2018Inventors: Jeremias Gromotka, Timo Kratzer, Gerhard Kelch
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Patent number: 10073281Abstract: Spectacles include a spectacles lens having a carrier lens with a carrier lens front surface and/or a carrier lens rear surface, and having a front surface lens segment arranged on the carrier lens front surface and/or a rear surface lens segment arranged on the carrier lens rear surface, which are moveably guided on the carrier lens front surface and/or the rear surface lens segment, respectively. Further, the spectacles include a front/rear surface lens segment drive for moving the front/rear surface lens segment on the carrier lens front/rear surface, respectively; an eye position detection device for detecting the position of an eye of a wearer wearing the spectacles; and a drive control device for controlling the front and/or rear surface lens segment drive in accordance with the position of the eye detected by the eye position detection device.Type: GrantFiled: May 8, 2018Date of Patent: September 11, 2018Assignee: Carl Zeiss Vision International GmbHInventors: Jeremias Gromotka, Timo Kratzer, Gerhard Kelch
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Publication number: 20180231803Abstract: Spectacles include a spectacles lens having a carrier lens with a carrier lens front surface and/or a carrier lens rear surface, and having a front surface lens segment arranged on the carrier lens front surface and/or a rear surface lens segment arranged on the carrier lens rear surface, which are moveably guided on the carrier lens front surface and/or the rear surface lens segment, respectively. Further, the spectacles include a front/rear surface lens segment drive for moving the front/rear surface lens segment on the carrier lens front/rear surface, respectively; an eye position detection device for detecting the position of an eye of a wearer wearing the spectacles; and a drive control device for controlling the front and/or rear surface lens segment drive in accordance with the position of the eye detected by the eye position detection device.Type: ApplicationFiled: April 8, 2018Publication date: August 16, 2018Inventors: Jeremias Gromotka, Timo Kratzer, Gerhard Kelch
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Patent number: 9995938Abstract: A spectacle lens for a display device can be fitted on the head of a user and generate an image. The spectacle lens can be constructed with several shells including an outer shell and an inner shell which is joined to the outer shell, wherein a curved channel shell, which includes a curved first reflecting surface and a curved second reflecting surface, is arranged between the outer and inner shell. The light guiding channel includes at least one section of the channel shell and the two reflecting surfaces on which the light bundles are reflected for guiding from the coupling-in section to the coupling-out section.Type: GrantFiled: April 16, 2015Date of Patent: June 12, 2018Assignee: tooz technologies GmbHInventors: Lisa Riedel, Hans-Juergen Dobschal, Gerhard Kelch, Wolf Krause, Karsten Lindig, Joerg Puetz, Momchil Davidkov, Manfred Maul, Diana Tonova, Georg Michels
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Publication number: 20180031840Abstract: A method for producing an optical element includes a) providing a first shell which is transparent in the predetermined wavelength range, b) applying a coating which is optically effective for the predetermined wavelength range onto the structured portion, c) providing a second shell which is transparent in the predetermined wavelength range, which shell has an integral embodiment and a smooth lower side which has a complementary form to the form of the upper side, d) applying an adhesive layer which is transparent in the predetermined wavelength range onto the upper side of the first shell and/or the lower side of the second shell, and e) connecting the upper side of the first shell with the lower side of the second shell by means of the adhesive layer such that a two-shell optical element is produced, in which the optically effective structure is buried.Type: ApplicationFiled: February 11, 2016Publication date: February 1, 2018Inventors: Jens HOFMANN, Gerhard KELCH, Wolf KRAUSE, Joerg PUETZ, Georg MICHELS
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Publication number: 20170227775Abstract: A method for producing an optical element includes providing a first partial body which is transparent for the predetermined wavelength range and including on its upper side a structured section, applying a coating which is optically effective for the predetermined wavelength range onto the structured section in order to form the optically effective structure, and applying a cover layer which is transparent for the predetermined wavelength range onto the upper side of the first partial body by means of casting of thermoplastic material and/or duroplastic material.Type: ApplicationFiled: September 21, 2015Publication date: August 10, 2017Inventors: Jens HOFMANN, Gerhard KELCH, Wolf KRAUSE, Joerg PUETZ, Georg MICHELS
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Publication number: 20170192238Abstract: A spectacle lens for a display device can be fitted on the head of a user and generate an image. The spectacle lens can be constructed with several shells including an outer shell and an inner shell which is joined to the outer shell, wherein a curved channel shell, which includes a curved first reflecting surface and a curved second reflecting surface, is arranged between the outer and inner shell. The light guiding channel includes at least one section of the channel shell and the two reflecting surfaces on which the light bundles are reflected for guiding from the coupling-in section to the coupling-out section.Type: ApplicationFiled: April 16, 2015Publication date: July 6, 2017Inventors: Lisa RIEDEL, Hans-Juergen DOBSCHAL, Gerhard KELCH, Wolf KRAUSE, Karsten LINDIG, Joerg PUETZ, Momchil DAVIDKOV, Manfred MAUL, Diana TONOVA, Georg MICHELS
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Patent number: 9417461Abstract: An optical lens (10), in particular for use as a spectacle lens, comprises a first lens element (18) and at least one second lens element (20), wherein the first lens element (18) and the second lens element (20) at least partly act together in an achromatic fashion. The second lens element (20) is configured as at least one lens segment (26) that is only arranged in a margin region (28) of the first lens element (18). Furthermore, a method for producing the optical lens (10) is described.Type: GrantFiled: September 30, 2011Date of Patent: August 16, 2016Assignee: Carl Zeiss Vision International GmbHInventor: Gerhard Kelch
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Patent number: 9176329Abstract: The present invention relates to a spectacle lens comprising a first lens element and a second lens element, the first lens element having a front surface and a back surface that comprises a first back surface region and a second back surface region, the at least one second lens element comprising a front surface and a back surface, the second back surface region of the first lens element and the front surface of the second lens element being contiguous, a front surface of the spectacle lens being formed by the front surface of the first lens element and a back surface of the spectacle lens being formed in a base region by the first back surface region of the first lens element and in an achromatic region by the back surface of the at least one second lens element, the first back surface region of the first lens element having a first tangent at at least one first transition point between the base region and the achromatic region in a first cross-sectional plane of the spectacle lens, the back surface of theType: GrantFiled: March 28, 2013Date of Patent: November 3, 2015Assignee: Carl Zeiss Vision International GmbHInventor: Gerhard Kelch
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Publication number: 20140354948Abstract: The invention relates to a method for determining the location of the ocular pivot point (ADL) in an eye (10) of a test person. In the method, the mean curvature (KH) of the cornea (14) of the eye (10) is determined. The mean phase error (PF) of the eye (10) is determined as is the eye length (LA) from the mean curvature (KH) and the mean phase error (PF). The location of the ocular pivot point (ADL) is determined from the eye length (LA).Type: ApplicationFiled: August 13, 2014Publication date: December 4, 2014Inventors: Timo Kratzer, Jesus-Miguel Cabeza-Guillen, Gerhard Kelch
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Patent number: 8851677Abstract: The invention relates to an arrangement with a spectacle lens having a changeable optical effect and with an effect-setting apparatus for setting the optical effect of the spectacle lens on the basis of intended-setting data. A memory apparatus stores first intended-setting data for setting a first predetermined optical intended effect, which was established from a first refraction measurement on an eye of a spectacles wearer for whom the spectacle lens is destined, and for storing second intended-setting data for setting a second predetermined optical intended effect, which was established from a second refraction measurement on the eye, and also a supply apparatus for supplying the first intended-setting data or the second intended-setting data to the effect-setting apparatus.Type: GrantFiled: December 20, 2011Date of Patent: October 7, 2014Assignee: Carl Zeiss Vision GmbHInventors: Simone Liebich, Gerhard Kelch
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Patent number: 8840247Abstract: The invention relates to a method for determining the location of the ocular pivot point (ADL) in an eye (10) of a test person. In the method, the mean curvature (KH) of the cornea (14) of the eye (10) is determined. The mean phase error (PF) of the eye (10) is determined as is the eye length (LA) from the mean curvature (KH) and the mean phase error (PF). The location of the ocular pivot point (ADL) is determined from the eye length (LA).Type: GrantFiled: August 26, 2011Date of Patent: September 23, 2014Assignee: Carl Zeiss Vision GmbHInventors: Timo Kratzer, Jesús-Miguel Cabeza-Guillén, Gerhard Kelch
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Publication number: 20130271724Abstract: An optical lens (10), in particular for use as a spectacle lens, comprises a first lens element (18) and at least one second lens element (20), wherein the first lens element (18) and the second lens element (20) at least partly act together in an achromatic fashion. The second lens element (20) is configured as at least one lens segment (26) that is only arranged in a margin region (28) of the first lens element (18). Furthermore, a method for producing the optical lens (10) is described.Type: ApplicationFiled: September 30, 2011Publication date: October 17, 2013Applicant: CARL ZEISS VISION INTERNATIONAL GMBHInventor: Gerhard Kelch
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Publication number: 20130258273Abstract: The present invention relates to a spectacle lens comprising a first lens element and a second lens element, the first lens element having a front surface and a back surface that comprises a first back surface region and a second back surface region, the at least one second lens element comprising a front surface and a back surface, the second back surface region of the first lens element and the front surface of the second lens element being contiguous, a front surface of the spectacle lens being formed by the front surface of the first lens element and a back surface of the spectacle lens being formed in a base region by the first back surface region of the first lens element and in an achromatic region by the back surface of the at least one second lens element, the first back surface region of the first lens element having a first tangent at at least one first transition point between the base region and the achromatic region in a first cross-sectional plane of the spectacle lens, the back surface of theType: ApplicationFiled: March 28, 2013Publication date: October 3, 2013Applicant: Car Zeiss Vision International GmbHInventor: Gerhard Kelch