Inspection device

Details Inspection device Inspection device

1989-03-24

1990-09-25

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

356240, G01N 904

Patent

active

049595385

ABSTRACT:
The mouth edges of a succession of bottles can be inspected using a lighting system for lighting the mouths of each bottle, an optical imaging system for forming an image of the mouth of each bottle, a measuring system for determining the height of the mouth of each successive bottle, and a movable lens in the optical imaging system for compensating for differences in mouth heights of the bottles.

REFERENCES:
patent: 4701612 (1987-10-01), Sturgill
patent: 4758084 (1988-07-01), Tokumi

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