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| Number | Title | Issue Date |
| 7631431 | Eyeglass frame measurement apparatus An eyeglass frame measurement apparatus includes: a measurement unit which includes a tracing stylus to be inserted into a groove of a rim of an eyeglass frame, a moving mechanism for moving the tracing stylus along the groove of the rim, and a detector for detectin... | 12/15/2009 |
| 7500315 | Hole data input device and eyeglass lens processing apparatus having the same A hole data input device for inputting hole data including a position of a hole with respect to a target lens shape for forming the hole on an eyeglass lens to attach a rimless frame to the lens, includes: a storage that stores plural types of hole patterns; a selec... | 03/10/2009 |
| 6945649 | Method for the production of a spectacle glass taking into account the optimum individual length of progression A method is described for determining the optical and individual progression length of a continuous vision lens on the basis of the measured cornea/bridge distance of a spectacle frame which is matched in advance. The invention is distinguished by the followi... | 09/20/2005 |
| 6935033 | Measuring instrument for establishing the angle of tilt of a lens mounting rim of a spectacles frame A measurement instrument for establishing an angle by which each lens-mounting rim of a spectacles frame having two lens-mounting rims joined by a spectacles bridge is tilted in a horizontal plane in front of an eye of a spectacles wearer comprises a supporting plat... | 08/30/2005 |
| 6932474 | Progressive-power lens A progressive-power lens can be properly evaluated based on optical performance values of which definition methods are not unified, such as progressive zone length and addition diopter. In addition to commodity product specifying information 11a which ... | 08/23/2005 |
| 6848789 | System, method and article of manufacture to determine and communicate optical lens sizing and prescription information The proposed invention calculates the circumference of an optical lens taking into consideration external variations in lens size and shape. The invention, utilizing a uniquely designed optical lens tracing pen in conjunction with a specifically designed tracing tem... | 02/01/2005 |
| 6845678 | Spectacle frame shape measuring apparatus A spectacle frame shape measuring apparatus includes a measurement element holding mechanism. The measurement element holding mechanism holds a measurement element in a substantially loadless state along a frame groove formed in the inner circumferential surface of ... | 01/25/2005 |
| 6742272 | Lens shape measuring apparatus A lens shape measuring apparatus is disclosed, which is capable of identifying a size of an outer-diameter shape of a lens fixing jig by using a measuring element also used for measuring a lend shape. This lens shape measuring apparatus comprising: a lens fixing jig... | 06/01/2004 |
| 6481109 | Control system for eyeglass tracer A control system is provided for a pivotally actuated tracer which traces an object (e.g., a frame mount of an eyeglass frame, a lens, or a lens pattern) while the object is held in a more-vertical-than-horizontal orientation. The control system comprises... | 11/19/2002 |
| 6473977 | Eyeglass frame and lens tracing apparatus and method Apparatus for tracing the perimeter shape of the lens holding aperture of an eyeglass frame, or an eyeglass lens, includes a holder to releasably hold an eyeglass frame or lens for tracing measurement. A tracing stylus has a 3 axis movement control appara... | 11/05/2002 |
| 6381012 | System, method and article of manufacture to determine and communicate optical lens sizing and prescription information The proposed invention calculates the circumference of an optical lens taking into consideration external variations in lens size and shape. The invention, utilizing a uniquely designed optical lens tracing pen in conjunction with a specifically designed ... | 04/30/2002 |
| 6327790 | Method of calibrating a grinding wheel for grinding ophthalmic lenses, and calibration template for implementing the method A grinding machine includes a swing-arm mounted to pivot on a frame, a lens-holder shaft which is mounted to rotate on the swing-arm about a rotation axis parallel to the pivot axis of the swing-arm, and on which a calibration template can be mounted, and... | 12/11/2001 |
| 6263583 | Method of measuring eyeglass frame, an apparatus for the method, and eyeglass lens grinding apparatus having the same The accuracy of the axial degree of a lens in an eyeglass production is improved. In an eyeglass frame measuring apparatus, first and second frame data on the eyeglass frame consisting of first and second frames are entered. The entered first frame data a... | 07/24/2001 |
| 6249991 | Control system for eyeglass tracer A control system is provided for a pivotally actuated tracer which traces an object (e.g., a frame mount of an eyeglass frame, a lens, or a lens pattern) while the object is held in a more-vertical-than-horizontal orientation. The control system comprises... | 06/26/2001 |
| 6071176 | Gauge for and method of calibrating a lens cutting/grinding machine A calibration gauge for use in calibrating a lens cutting/grinding machine has a disk with a concentric post on one of its faces for chucking the disk to a lens spindle. A target delineated on the other face of the disk consists of bands aligned on the X ... | 06/06/2000 |
| 6032377 | Non-spherical surface shape measuring device A non-spherical surface shape measuring device and method that measures the shapes of object surfaces that have rotationally symmetrical non-spherical surface shapes on the basis of relative deviation values from the shape of a reference surface, the non-... | 03/07/2000 |
| 5964040 | Illuminated progressive lens marker A machine for marking the location for determining the correct prescription of progressive optical lens including a diffused light source, a platform for supporting the progressive lens intended to be marked in the illumination from the light source, an o... | 10/12/1999 |
| 5960550 | Device and method for marking ophthalmic lenses and molds Device and method for accurately recreating verification markings with removable ink on progressive ophthalmic lenses and molds are provided. The device includes (a) a stage which defines a coordinate system and which is adapted for receiving a lens or mo... | 10/05/1999 |
| 5640775 | Determining and marking apparatus and method for use in optometry and ophthalmology An apparatus and method for subjectively (and in some cases at least partially objectively) determining the proper positioning of progressive power or other corrective lenses are disclosed. The apparatus includes a target such as a small fiber optic or ot... | 06/24/1997 |
| 5615486 | Apparatus for measuring the shape of a frame of spectacles An apparatus for measuring the shape of a frame of spectacles is provided wherein the shape of a frame is measured with a measuring element which is held in contact with a groove in a rim of the frame while being moved along the groove. To accurately posi... | 04/01/1997 |
| 5515612 | Apparatus for measuring the shape of a frame of spectacles An apparatus for measuring the shape of a frame of spectacles is provided wherein the shape of a frame is measured with a measuring element which is held in contact with a groove in a rim of the frame while being moved along the groove. To accurately posi... | 05/14/1996 |
| 5335419 | Determining and marking apparatus and method for use in optometry and ophthalmology An apparatus and method for subjectively (and in some cases at least partially objectively) determining the proper positioning of progressive power or other corrective lenses are disclosed. The apparatus includes a target such as a small fiber optic or ot... | 08/09/1994 |
| 5195246 | Method for reading the shape of any elastically deformable article, in particular for reading the contour of an eyeglass frame rim or surround A method for reading the shape of any elastically deformable article uses a contact feeler to follow the shape to be read. The contact feeler is applied to the article with a force of particular value adapted to cause localized deformation of the article ... | 03/23/1993 |
| 5148602 | Determining and marking apparatus and method for use in optometry and ophthalmology An apparatus and method for subjectively determining the proper positioning of progressive power or other corrective lenses are disclosed. The apparatus includes a target such as a small fiber optic or other light source and one or more marking rods which... | 09/22/1992 |
| 5138770 | Eyeglasses frame tracing device An eyeglasses frame tracing device used in an eyeglasses lens grinding machine. The eyeglasses frame tracing device of the invention comprises a horizontally movable base portion, a rotary base rotatably supported on the base portion, a shaft including a ... | 08/18/1992 |
| 5121550 | Automatic surface tracer A device for tracing a surface such as one defining the lens opening of an eyeglass frame includes a tracer element moved automatically about a rotational axis surrounded by the traced surface and arranged perpendicularly to the area enclosed by the surfa... | 06/16/1992 |
| 5121548 | Contour follower device, in particular for eyeglass frames A contour follower device suitable for reading off the contour of eyeglass frame rims or surrounds includes a support table with holding means for supporting the article whose contour is to be read off. A feeler has a rotatable contact head adapted to be ... | 06/16/1992 |
| 5097600 | Support device, especially for eyeglass frames A support device for eyeglass frames whereby the contour of one or both rims or surrounds of the frame can be read comprises a plurality of retaining means on a plate and on a flap pivoted to the plate. The retaining means are adapted to hold an eyeglass ... | 03/24/1992 |
| 5046257 | Determining and marking apparatus and method for use in optometry and ophthalmology An apparatus and method for subjectively determining the proper positioning of progressive power or other corrective lenses are disclosed. The apparatus includes a target such as a small fiber optic or other light source and one or more marking rods which... | 09/10/1991 |
| 5036592 | Determining and marking apparatus and method for use in optometry and ophthalmology An apparatus and method for subjectively determining the proper positioning of progressive power or other corrective lenses are disclosed. The apparatus includes a target such as a small fiber optic or other light source and one or more marking rods which... | 08/06/1991 |
| 4991305 | Spectacle-lens-frame configuration measuring apparatus and article configuration measuring apparatus In an apparatus for measuring a configuration of each of a pair of lens frames (4a, 4b) of a spectacle framework (3), a measuring element (230) is arranged for horizontal and vertical movement relative to the lens frames fixedly held by a holding device (... | 02/12/1991 |
| 4977675 | Apparatus for marking eyeglass lens blanks Apparatus is provided for marking a semi-finished opthalmic lens blank for a subsequent blocking operation. The marking serves to indicate the optical center, cylindrical axis, and prism axis. The apparatus has a vertically positionable head assembly havi... | 12/18/1990 |
| 4942696 | Blocking shim and method for prescription-laboratory processing of aspheric progressive-addition lenses A thin sheet of flexible material shaped like an inverted "T", is applied to the aspheric distance portion of a progressive-addition ophthalmic lens, to provide stable three-point contact for blocking the lens prior to second-side surfacing in the prescri... | 07/24/1990 |
| 4936017 | Apparatus for forming a lens pattern Apparatus for forming a lens pattern for an eyeglass frame includes a guide and a slider mounted on a base. The slider can slide longitudinally on the base. Also included is a mounting device for detachably holding the pattern on the slider. The guide is ... | 06/26/1990 |
| 4724617 | Apparatus for tracing the lens opening in an eyeglass frame Apparatus for tracing the inner periphery of an eyeglass frame lens opening and for producing a set of coordinates each of which coordinate set describes a sensed position along the traced path. The eyeglass frame is positioned on an overhead bridge and a... | 02/16/1988 |
| 4676004 | Automatic marking device for lensmeter An automatic marking device for a lensmeter comprising: a lens support member; a lens holder having a lens holding member cooperative with the lens supporting member for clamping therebetween the lens movably in a plane substantially perpendicular to a me... | 06/30/1987 |
| 4646445 | Demonstration device for showing the required sizes of lenses for eyeglasses A demonstration device 10 for showing the required size of lenses for frames 44 comprises a base plate 12with two horizontal guide slots 16 and a vertical guide slot 18. Two carriages 24, which in each case carry a circular template 28, are movable in the... | 03/03/1987 |
| 4307984 | Cutting elements A novel shock mounting is disclosed for ultra-hard crystalline materials. When used as a drill bit, the crystalline materials last much longer as cutting elements when mounted according to the present invention.... | 12/29/1981 |
