Lens judging apparatus of lens meter

Details Lens judging apparatus of lens meter Lens judging apparatus of lens meter

1984-10-10

1986-02-25

Haroian, Harry N.

Geometrical instruments

Gauge

Spectacle

33507, 33180R, 356127, A61B 310, G01B 900

Patent

active

045718423

ABSTRACT:
A lens judging apparatus to be used in a lens meter is disclosed. It has at least one projecting device movably mounted on the both sides of a lens table with respect to its elongated direction. The projecting devices are movably arranged within a predetermined range in the traversing direction relative to the elongated direction of the lens table by receiving the respective spectacles hung thereon. It also has a detector for the movement of the projecting member, a device for judging whether the spectacle lens is for the right or left by detecting a signal emitted from the detector, and a display panel showing a character measuring either "right" or "left" based on the result of judgment made by the judging device.

REFERENCES:
patent: 4098002 (1978-07-01), Campbell
patent: 4182572 (1980-01-01), Humphrey

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