Famous Patents
In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8042280 | Lens shape measurement device An arithmetic control circuit (52) is configured to bring the measuring element (38) for a lens into contact with at least two points (measurement points P1, P2) of one of two refracting surfaces of the lens Lm held in the lens holder by ... | 10/25/2011 |
| 7874079 | Holding mechanism for use with an ophthalmic tracer, and method The present invention relates to an ophthalmic holding mechanism for holding an eyeglass frame. The holding mechanism includes a base, a clamping mechanism configured for releasably securing a lens mount of an eyeglass frame, and an actuator operatively associated w... | 01/25/2011 |
| 7845088 | Lens shape measuring method and lens shape measuring apparatus A lens shape measuring method includes: bringing a feeler into contact with an outer peripheral surface of a spectacle lens, the outer peripheral surface corresponding to a lens shape of spectacles, the feeler being rotatable about a rotation axis and movable forwar... | 12/07/2010 |
| 7637025 | Apparatus for measuring thickness of lens An apparatus for measuring a thickness of a lens includes a plurality of first touch heads, a base, a plurality of second touch heads and a driving mechanism. The first touch heads each has a first curved contact surface for coming into contact with a first surface ... | 12/29/2009 |
| 7210321 | Method and apparatus for measuring centerline runout and out of roundness of a shaft The centreline runout (a) and out of roundness (b) of a shaft (100) is measured by measuring the distance between the central longitudinal axis (102) of the shaft (100) and each of a plurality of angularly spaced measurement points (103) ... | 05/01/2007 |
| 7198547 | Lens edger A lens edger which is capable of measuring the curvature of an eyeglass lens is disclosed. The lens edger includes a carriage which rotatably fixes a pair of lens fixing shafts and moves the position of the lens fixing shafts clamping a lens to be processed; a lens ... | 04/03/2007 |
| 7140119 | Measurement of form of spherical and near-spherical optical surfaces Rotational motions between a displacement-measuring probe and an optical test surface define a spherical or near spherical datum surface against which measurements of the probe are taken. The probe has a measurement axis that is maintained substantially normal to th... | 11/28/2006 |
| 7069107 | Spectacle lens manufacturing method and spectacle lens supply system The difference in optical performance, such as astigmatism, the radius of curvature of a first surface, etc., of left and right lenses is kept at or below a specific level, and the difference in optical performance and the radius of curvature of the first surfaces b... | 06/27/2006 |
| 7033024 | Method for manufacturing an eyeglass lens A method for manufacturing a spectacle lens, in which at first a semi-finished uncut spectacle lens (hereinafter referred to as a blank) is produced, i.e. a spectacle lens having merely one finished optical surface (hereinafter described as base surface); subsequent... | 04/25/2006 |
| 6964104 | Template holder To provide a template holder in which parts such as screws for mounting a template to a template mounting member is not lost. A template holder, in which in a state in which an elastic strut 94 is inserted into a holding hole 81 of a template 80... | 11/15/2005 |
| 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 |
| 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 |
| 6763600 | Apparatus for orienting eyeglasses for scanning by electronic scanner Apparatus for orienting a pair of framed eyeglasses relative to an electronic scanner whereby the scanner then generated digital data defining the geometry of the frame. This data is entered into a computer to cause it to control a milling machine which shapes a bla... | 07/20/2004 |
| 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 |
| 6625893 | Template holder To provide a template holder in which parts such as screws for mounting a template to a template mounting member is not lost. A template holder, in which in a state in which an elastic strut 94 is inserted into a holding hole 81 of a template 80, the temp... | 09/30/2003 |
| 6618952 | Tracer, clamp, and object engager for holding and tracing a lens mount of an eyeglass frame, a lens, and/or a lens pattern, to reliably detect a shape thereof even when the shape includes high wrap A tracer is provided for tracing a lens mount of an eyeglass frame, a lens or a lens pattern. The tracer comprises an object engager and an actuator. The object engager is adapted to engage the lens mount, the lens or the lens pattern. The actuator is ada... | 09/16/2003 |
| 6530156 | Target-lens-shape measuring device with eyeglass-lens processing apparatus having the same A target lens shape measuring device for measuring a target lens shape of an eyeglass lens has a measuring section including: a template feeler contactable with a periphery of a template; a first supporting base to which the template feeler is attached; a... | 03/11/2003 |
| 6519861 | Mechanical centering apparatus and method A workpiece (22) having a periphery is centered using a centering apparatus (20) having a workpiece spindle (24, 28) operable to rotate the workpiece (22) about a rotational axis (26), and a centering head (29). The centering head (29) includes a mount (3... | 02/18/2003 |
| 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 |
| 6427350 | Target-lens-shape measuring device, and eyeglass-lens processing apparatus having the same In a target lens shape measuring device for measuring a target lens shape used to process an eyeglass lens, movement of a feeler in a radius vector direction is detected by a first detection system, and movement of a holding base by a moving system is det... | 08/06/2002 |
| 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 |
| 6243960 | Tracer, clamp and object engager for holding and tracing a lens mount of an eyeglass frame, a lens, and/or a lens pattern, to reliably detect a shape thereof even when the shape includes high wrap A tracer is provided for tracing a lens mount of an eyeglass frame, a lens or a lens pattern. The tracer comprises an object engager and an actuator. The object engager is adapted to engage the lens mount, the lens or the lens pattern. The actuator is ada... | 06/12/2001 |
| 6170321 | Apparatus for displaying a contour of a lens-shaped template The present invention relates to an apparatus for displaying a contour of a lens-shaped template formed to be fit in a lens frame of an eyeglass frame. The contour is displayed on a display in a same size of a real lens-shaped template. The apparatus incl... | 01/09/2001 |
| 6163967 | Spectacle lens shape measuring apparatus An apparatus is provided for measuring the contour of a lens frame of an eyeglass frame and measuring the shape of a template. The apparatus has at least a pair of holding hooks (43, 44) for holding the rim of the eyeglass frame from above and below. The ... | 12/26/2000 |
| 6154969 | Holding assembly for lens measuring device A holding assembly for holding spectacles, having an adjustable grip for fitting around a pair of spectacles. The adjustable grip is slidably mounted to allow alignment one after the other of each lens along a single predetermined axis perpendicular to th... | 12/05/2000 |
| 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 |
| 6006592 | Apparatus for measuring the contour of a lens-shaped template formed to be fit in a lens frame of an eyeglass frame An apparatus is provided for measuring a contour of a lens-shaped template formed to be fit into a lens frame of an eyeglass frame. The apparatus includes a lens-shaped template holding device (111) for holding a lens-shaped template (112) formed to be fi... | 12/28/1999 |
| 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 |
| 5963299 | Method and apparatus for measuring toric contact lens rotation A method and apparatus for accurately observing a toric contact lens rotation for determining the prescription of a contact lens on an astigmatic eye, by providing a lens line guide alignment plate having a gravity responsive pivotal indicator, angle indi... | 10/05/1999 |
| 5959199 | Apparatus for measuring the contour of a lens-shaped template formed to be fit in a lens frame of an eyeglass frame An apparatus is provided for measuring a contour of a lens-shaped template formed to be fit into a lens frame of an eyeglass frame. The apparatus includes a lens-shaped template holding device (111) for holding a lens-shaped template (112) formed to be fi... | 09/28/1999 |
| 5855074 | Methods and apparatus for measuring and mapping opthalmic elements This invention discloses an apparatus for providing optical information regarding spectacles in which are mounted first and second lenses, the apparatus includes a spectacles mapper operative to compute a map, within a single coordinate system, of at leas... | 01/05/1999 |
| 5806198 | Template for calibrating an ophthalmic lens grinding machine, and corresponding calibration method Designed to be fitted to an ophthalmic lens grinding machine to be calibrated instead of an ophthalmic lens, a calibration template is in the general form of a disk with a circular contour over at least part of its perimeter. Its contour forms two localiz... | 09/15/1998 |
| 5754272 | Machine for marking progressive optical lens A machine for marking the location for determining the correct prescription of progressive optical lens including a light beam, a table for supporting the progressive lens in the light beam, an optical protractor having visible indicia thereon for contact... | 05/19/1998 |
| 5640778 | Apparatus and a method for measuring the curvature radii of spherical and cylindrical surfaces An apparatus for measuring the curvature radii of spherical and cylindrical surfaces is provided. The apparatus comprises a base, a probe and four ball rings of the same size, wherein the four ball rings are provided on the base and arranged into a square... | 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 |
| 5594992 | Apparatus for measuring a lens frame configuration An apparatus for measuring a lens frame configuration is provided which comprises an apparatus body provided with a measuring reference surface, a frame holder movably retained by the apparatus body and adapted to hold right and left lens frames of an eye... | 01/21/1997 |
