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7571545 |
Contour reading device including a feeler mobile in rotation
Contour reading device, in particular for eyeglass frame rims, including a carrier axis (A) projecting transversely to the surface of a turntable ( 6 ), a carrier arm ( 18 ) which is mounted at one...
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7540096 |
Vacuum-actuated spherometer
A spherometer for measuring at least one physical parameter of the workpiece includes at least on fluid-actuated linearly extensible probe member having an output indicative of an amount of linear...
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7500316 |
Contour reading device comprising a force sensor
A contour reading method for an item such as an eyewire for spectacles, the method using an appliance including a support for holding the item, and a rotary platform which is rotatably mounted in...
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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,...
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7467472 |
Method of controlling a feeler to read the bezel of an eyeglass frame
A method of reading the outline of the bezel of a rim of an eyeglass frame, includes the steps of putting a feeler into contact against the bezel and of feeling the bezel by sliding or running the...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ),...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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5576778 |
Design system for designing shapes of eyeglasses
A design system for designing shapes of eyeglasses. In the system, image data expressing the face of a person are first subjected to image processing such as color compensation and profile...
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5501017 |
Method and apparatus for measuring a frame configuration
An arithmetic and control circuit 600 calculates an angle θ of inclination of one of lens frames 501, 501 of an eyeglass frame 500 from the maximum and minimum of height data Z n of frame...
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5465495 |
Lens shape measuring instrument
A lens shape measuring instrument includes a slide base plate in parallel with a chucking shaft of an eyeglass lens, a flat contactor arranged on a first measuring bar disposed on a first rotating...
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5394617 |
Eyewear lens mechanical center locating apparatus
An apparatus for locating the geometrical center of a lens, whether in or out of an eyewear frame, includes a flat platform adapted to seat an eyewear lens thereon and a framework mounted on the...
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5317811 |
Apparatus and method for measuring surfaces and lenses
An apparatus containing four linear gauges (I, II, III and IV) allows simultaneous measurement of the main parameters of a lens blank, namely the vertex radius (or asphericity), the centre...
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5184405 |
Method and device for fitting toric contact lenses
A device having a single protractor scale for determining a therapeutic axis for toric contact lenses based on a prescription axis. The device comprising a coaxially mounted card, protractor dial...
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5152067 |
Apparatus for measuring interpupilary distance of mounted spectacles
A lens meter for measuring the optical character of spectacle lenses by projecting a measurement target onto the spectacle lens comprises a first position control member for moving a spectacle...
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5131159 |
Spherometer
A spherometer for measuring the radius of curvature of 1 lens is disclosed. The spherometer comprises a spherometer ring having an annular portion or a part of an annular portion, a measuring...
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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...
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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...
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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...
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5094005 |
Apparatus for inspecting certain optical parameters of a mirror
The real surface of the mirror is represented by a set of values corresponding to radial or approximately radial distances between points distributed over the surface of the mirror and a spherical...
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5053971 |
Method and apparatus for edging an optical lens
A three axis, computer controlled apparatus for edging optical lenses maps the surfaces of a lens blank along a path defining the shape of the lens to be cut from the lens blank and from which...
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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...
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4979311 |
Instrument for determining the setting of a lens edger device to produce a properly sized lens
An instrument for use in optical laboratories for indicating the setting of a lens edger device based upon the relationship between a lens pattern or dummy lens and the lens opening of a spectacle...
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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...
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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...
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