Patents by Inventor Dan Katzman
Dan Katzman 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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Publication number: 20220373825Abstract: Apparatus and methods are described including a progressive lens (20) that is configured to provide a far-vision correction and a near-vision correction. The progressive lens includes a single-focus, far-vision corrective lens (22) that is configured to provide only a portion of the far-vision correction, and a film (24) coupled to the single-focus, far-vision corrective lens (22). The film (24) defines a far-vision corrective portion (26) that is configured to provide the remainder of the far-vision correction, a near-vision corrective portion (28) that is configured to provide additive near-vision correction, and an intermediate portion (30) in which the film transitions between the far-vision corrective portion and the near-vision corrective portion. Other applications are also described.Type: ApplicationFiled: September 22, 2020Publication date: November 24, 2022Inventors: Dan Katzman, Haim Engler
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Patent number: 11378821Abstract: Apparatus and methods are described including a progressive lens that is configured to provide a far-vision correction and a near-vision correction. The progressive lens includes a single-focus, far-vision corrective lens that is configured to provide only a portion of the far-vision correction, and a film coupled to the single-focus, far-vision corrective lens. The film defines a far-vision corrective portion that is configured to provide the remainder of the far-vision correction, a near-vision corrective portion that is configured to provide additive near-vision correction, and an intermediate portion in which the film transitions between the far-vision corrective portion and the near-vision corrective portion. Other applications are also described.Type: GrantFiled: December 18, 2019Date of Patent: July 5, 2022Assignee: Addon Optics Ltd.Inventors: Dan Katzman, Haim Engler
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Publication number: 20210096399Abstract: Apparatus and methods are described including a progressive lens that is configured to provide a far-vision correction and a near-vision correction. The progressive lens includes a single-focus, far-vision corrective lens that is configured to provide only a portion of the far-vision correction, and a film coupled to the single-focus, far-vision corrective lens. The film defines a far-vision corrective portion that is configured to provide the remainder of the far-vision correction, a near-vision corrective portion that is configured to provide additive near-vision correction, and an intermediate portion in which the film transitions between the far-vision corrective portion and the near-vision corrective portion. Other applications are also described.Type: ApplicationFiled: December 18, 2019Publication date: April 1, 2021Inventors: Dan Katzman, Haim Engler
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Publication number: 20170299886Abstract: Described herein are systems, devices, and methods to manufacture a feature onto the rim of an ophthalmic lens. In one embodiment, there are multiple lens rim features, and they are substantially restricted to the periphery of the lens. In alternative embodiments, the lens rim features are substantially restricted to either the top half or the bottom half of the periphery. In some embodiments, the features are added to a lens that has been finished for vision correction, whereas in other embodiments the features are added to a semi-finished lens. In one embodiment, there is a device for printing lens rim features onto an ophthalmic lens, and in another embodiment there is a system for printing such lens rim features. One embodiment is a method for printing a lens rim feature onto a lens, including the use of a device with a print-head and one or two grasping devices.Type: ApplicationFiled: April 13, 2017Publication date: October 19, 2017Applicant: VECTORIM LTD.Inventors: Yuval CARMON, Tamir WEBMAN, Dan KATZMAN
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Patent number: 9164295Abstract: A method for determining parameters of the vision of an eye of a patient. The method comprises: constituting a part of a process of making a prescription for a corresponding lens via which the patient is expected to gaze in at least two different directions; and measuring in one of the two directions all of the following parameters of the eye's vision: sphere power, cylinder and cylinder axis, and measuring in the other of the two directions at least two of said parameters.Type: GrantFiled: October 3, 2011Date of Patent: October 20, 2015Assignee: SHAMIR OPTICAL INDUSTRY LTD.Inventors: Yuval Carmon, Dan Katzman
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Publication number: 20140319748Abstract: A pre-production assembly of a semi-finished ophthalmic lens with a prismatic holding block and a method for producing such pre-production assembly, the method may include receiving as input pre-collected data about typical values of calculated prism for lens with different parameters; and according to the received input, producing a pre-production assembly of semi-finished ophthalmic lens with prismatic holding block. The pre-production assembly may include a semi-finished ophthalmic lens having one face finished with a base curvature; and a block assembly attached to the finished face of said lens, the block assembly having a connector to mount the semi-finished lens on a processing device and an adhesive layer adhering the block assembly to the finished face of the lens, the block assembly having a prism value determined according to lens parameters and the pre-collected data about typical values of calculated prism for lens with different parameters.Type: ApplicationFiled: April 26, 2013Publication date: October 30, 2014Applicant: Shamir Optical Industry Ltd.Inventors: Haim HAINEBACH, Dan KATZMAN, Zohar KADMON
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Publication number: 20130188143Abstract: A method for determining parameters of the vision of an eye of a patient. The method comprises: constituting a part of a process of making a prescription for a corresponding lens via which the patient is expected to gaze in at least two different directions; and measuring in one of the two directions all of the following parameters of the eye's vision: sphere power, cylinder and cylinder axis, and measuring in the other of the two directions at least two of said parameters.Type: ApplicationFiled: October 3, 2011Publication date: July 25, 2013Applicant: SHAMIR OPTICAL INDUSTRY LTD.Inventors: Yuval Carmon, Dan Katzman
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Publication number: 20130042489Abstract: A device and method for measuring the pantoscopic tilt of a lens installed in a frame, the device comprising an orientation sensor for measuring pantoscopic tilt and an attachment member to attach the device to a lens. The method comprises marking a center of the pupil on a lens while a patient is wearing the spectacles, attaching a measurement device at the marked center of the pupil point and while the device is attached to the lens, reading the pantoscopic tilt value from the device while the patient is wearing the spectacles in a natural position of the head for looking at the horizon.Type: ApplicationFiled: August 16, 2011Publication date: February 21, 2013Inventors: Oded KATZMAN, Dan KATZMAN
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Patent number: 7997733Abstract: An electro-active spectacle lens is disclosed. The disclosed lens includes a first lens optic. The disclosed lens also includes a first electro-active zone positioned in a cooperative relationship with the first lens optic. In certain embodiments, the electro-active lens includes a range finder positioned in a cooperative relationship with the electro-active lens.Type: GrantFiled: December 11, 2006Date of Patent: August 16, 2011Assignee: e-Vision, LLCInventors: Ronald D. Blum, Dwight P. Duston, Dan Katzman
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Patent number: 7828433Abstract: Progressive lens for viewing a field of vision having at least a first portion including objects in a first range of distances from a viewer and a second portion including objects in a second range of distances from the viewer, the lens comprising: at least two different power zones, the first power zone having lens power required by the viewer for the first range of distances of viewed objects from the viewer, and the second power zone having lens power required by the viewer for the second range of distances of viewed objects from the viewer, wherein the size and location on the lens of the first power zone correspond to size and location in the field of vision of the first portion, and wherein the size and location on the lens of the second power zone correspond to size and location in said field of vision of the second portion.Type: GrantFiled: October 22, 2008Date of Patent: November 9, 2010Assignee: Shamir Optical IndustryInventors: Dan Katzman, Gabby Weinrot
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Publication number: 20100253906Abstract: A device and method for verifying the fitting of ophthalmic lenses in a frame for spectacles, the device comprising a mask to be placed on at least one lens of the spectacles, the mask having at least one transparent stain within an opaque area of the mask, the stain located correspondingly to a test point on the lens. The method comprising placing a mask on at least one lens installed in the spectacle's frame, the mask having at least one transparent stain within an opaque area of the mask, the stain located correspondingly to a test point on the lens. Additionally, a system and method for optometric measurements by using the described mask are also provided.Type: ApplicationFiled: April 7, 2009Publication date: October 7, 2010Inventors: Dan KATZMAN, Gabby Weinrot, Niv Adut
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Patent number: 7744214Abstract: An electro-active spectacle lens is disclosed. The disclosed lens includes a first lens optic. The disclosed lens also includes a first electro-active zone positioned in a cooperative relationship with the first lens optic. In certain embodiments, the electro-active lens includes a range finder positioned in a cooperative relationship with the electro-active lens.Type: GrantFiled: December 11, 2006Date of Patent: June 29, 2010Assignee: E-Vision LLCInventors: Ronald D. Blum, Dwight P. Duston, Dan Katzman
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Publication number: 20100097570Abstract: Progressive lens for viewing a field of vision having at least a first portion including objects in a first range of distances from a viewer and a second portion including objects in a second range of distances from the viewer, the lens comprising: at least two different power zones, the first power zone having lens power required by the viewer for the first range of distances of viewed objects from the viewer, and the second power zone having lens power required by the viewer for the second range of distances of viewed objects from the viewer, wherein the size and location on the lens of the first power zone correspond to size and location in the field of vision of the first portion, and wherein the size and location on the lens of the second power zone correspond to size and location in said field of vision of the second portion.Type: ApplicationFiled: October 22, 2008Publication date: April 22, 2010Inventors: Dan KATZMAN, Gabby WEINROT
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Publication number: 20090213325Abstract: The present invention provides a progressive lens comprising at least one area with gradually increasing optical power, the area having a first region where the gradient of the optical power decreases towards a second region with reduced gradient of optical power, and a third region following the second region where the gradient of the optical power increases. The present invention further provides a method for producing progressive lens, the method comprising computing location on the lens on which a second region with reduced gradient of optical power should be produced and a required optical power in the second region; producing based on the computations an area on the lens with gradually increasing optical power, the area having a first region where the gradient of the optical power decreases towards the second region, and a third region following the second region where the gradient of the optical power increases.Type: ApplicationFiled: February 25, 2008Publication date: August 27, 2009Inventors: Dan Katzman, Gabby Weinrot
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Patent number: 7524059Abstract: An electro-active spectacle lens is disclosed. The disclosed lens includes a first lens optic. The disclosed lens also includes a first electro-active zone positioned in a cooperative relationship with the first lens optic. In certain embodiments, the electro-active lens includes a range finder positioned in a cooperative relationship with the electro-active lens.Type: GrantFiled: December 11, 2006Date of Patent: April 28, 2009Assignee: E-Vision, LLCInventors: Ronald D. Blum, Dwight P. Duston, Dan Katzman
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Publication number: 20090079938Abstract: An electro-active spectacle lens is disclosed. The disclosed lens includes a first lens optic. The disclosed lens also includes a first electro-active zone positioned in a cooperative relationship with the first lens optic. In certain embodiments, the electro-active lens includes a range finder positioned in a cooperative relationship with the electro-active lens.Type: ApplicationFiled: November 21, 2008Publication date: March 26, 2009Applicant: E-Vision, LLCInventors: Ronald D. Blum, Dwight P. Duston, Dan Katzman
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Patent number: 7322696Abstract: Embodiments of the present invention provide a system and method of producing a customized spectacle lens. According to some exemplary embodiments, a method of producing a customized spectacle lens for use in a personalized viewing environment, e.g., a personalized short-distance viewing environment, a personalized long-distance viewing environment, or a personalized mixed-distance viewing environment, may include determining a personalized power profile of an intended user based on at least a far vision prescription of the user, a near vision prescription of the user, and customized values of a personalized gaze angle and a personalized distance of one or more control points in the viewing environment, the one or more control points corresponding to one or more objects in the viewing environment; and generating target surface data suitable for producing the customized spectacle lens based on the personalized power profile. Other embodiments are described and claimed.Type: GrantFiled: April 18, 2005Date of Patent: January 29, 2008Assignee: Shamir Optical IndustryInventors: Giora Ben-Zeev, Dan Katzman, Haim Hainebach, Yuval Carmon
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Publication number: 20080013046Abstract: Embodiments of the present invention provide progressive molds including an inner progressive zone having one or more progressive optical properties, an outer bevel zone, and a transition zone in between the progressive and bevel zones to form a generally smooth transition between the progressive zone and the bevel zone.Type: ApplicationFiled: July 12, 2006Publication date: January 17, 2008Inventors: Dan Katzman, Yuval Carmon
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Patent number: 7296357Abstract: Some demonstrative embodiments of the invention include devices and/or methods of measuring a personalized lens-orientation value for a spectacle frame supporting a pair of lenses. The device, according to some demonstrative embodiments, may include a pair of orientation-measuring mechanisms, each mechanism adapted to measure a value corresponding to an orientation of a surface of a respective one of the lenses relative to a reference axis. The device may also include an adjustable positioning mechanism to adjust a distance between the pair of orientation-measuring mechanisms according to an inter-pupil distance of the user. Other embodiments are described and claimed.Type: GrantFiled: February 21, 2006Date of Patent: November 20, 2007Assignee: Shamir Optical IndustryInventor: Dan Katzman
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Publication number: 20070193043Abstract: Some demonstrative embodiments of the invention include devices and/or methods of measuring a personalized lens-orientation value for a spectacle frame supporting a pair of lenses. The device, according to some demonstrative embodiments, may include a pair of orientation-measuring mechanisms, each mechanism adapted to measure a value corresponding to an orientation of a surface of a respective one of the lenses relative to a reference axis. The device may also include an adjustable positioning mechanism to adjust a distance between the pair of orientation-measuring mechanisms according to an inter-pupil distance of the user. Other embodiments are described and claimed.Type: ApplicationFiled: February 21, 2006Publication date: August 23, 2007Inventor: Dan Katzman