Title:
DEVICE FOR OBTAINING DATA RELATED TO THE SHAPE OF SPECTACLE FRAMES
Document Type and Number:
WIPO Patent Application WO/1985/004033
Kind Code:
A1
Abstract:
A device for obtaining data related to the shape of the frame of a pair of spectacles, wherein the shape M of frame of spectacles is converted into numerical data by using spline interpolation functions, so that the shape M of the frame of a pair of spectacles is grasped in the factory for producing lenses, and that spectacle lenses having values and optimum thicknesses adapted to the frame of spectacles are prepared.
Inventors:
SAIGOH TSUYOSHI (JP)
Application Number:
PCT/JP1985/000098
Publication Date:
September 12, 1985
Filing Date:
February 28, 1985
Export Citation:
Assignee:
HOYA CORP (JP)
International Classes:
G02C13/00; G06F17/50; (IPC1-7): G06F15/60
Foreign References:
JPS50125649A | 1975-10-02 | |||
JPS5480650A | 1979-06-27 |
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