Apparatus for centering and blocking an ophthalmic lens disc
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 2, 2000
Grant Date -
N/A
app pub date -
Mar 23, 1998
filing date -
May 6, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The apparatus has: a rocking support and an upper clamping member for blocking the lens disc; a first transparent screen provided with reference lines; an image pick-up which obtains images of the lines and images of the disc; an optical system located between the means and the pick-up; an electronic circuitry for processing the images and the modifications in the reference lines caused by inserting the disc between the lines and the pick-up, building a synthetic image; a digital reader for frame forms, in communication with the circuitry; and a second screen for displaying a synthetic image superimposed on the frame data.
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Cited Art Landscape
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