Patent Number: 6,170,321

Title: Apparatus for displaying a contour of a lens-shaped template

Abstract: 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 includes a display for displaying a cross-sectional V-shaped edge figure, a position, and a thickness at an arbitrary point of the contour. The invention also relates to an apparatus for displaying a lens shape. The apparatus includes first display means for displaying a contour of a lens-shaped template formed to be fit in a lens frame of an eyeglass frame, second display means for displaying a cross-sectional V-shaped edge figure at an arbitrary point of the contour, and third display means for displaying a first mark indicating a position of the contour corresponding to positions of at least two edge figures displayed by the first display means.

Inventors: Suzuki; Yasuo (Tokyo, JP), Watanabe; Kenichi (Tokyo, JP), Eto; Yasuhito (Tokyo, JP)

Assignee: Kabushiki Kaisha Topcon

International Classification: B24B 17/10 (20060101); B24B 17/00 (20060101); B24B 9/14 (20060101); B24B 9/06 (20060101); G02C 13/00 (20060101); G01B 001/00 (); G01B 005/20 (); G06T 001/00 ()

Expiration Date: 01/09/2018