Bottle inspection system

Details Bottle inspection system Bottle inspection system

1985-10-01

1987-09-01

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358107, 250223B, 356240, 209522, 209526, 209939, H04N 718, G01N 904, G01N 2116, B07C 500

Patent

active

046912312

ABSTRACT:
A method and apparatus for inspecting the sidewalls of containers on a continuously-moving conveyor includes recording instantaneous upper and lower angularly-spaced images of the bottles as they pass. Data on the images is stored as numeric data indicating the grey shade of each pixel in a matrix of pixels, which matrix is examined for edges and then divided based on detected edges into inspection windows. The windows are subject to separate criteria between typically scuffed areas and open areas. The occurrence of pixels in at least three grey ranges reflecting clear glass, opaque glass, and scuffed glass, together with the correlation of such occurrences between angularly-spaced views and upper and lower views, is processed to detect defects. A memory stores a status indication in a queue representing the acceptability of the bottles being examined, which are then segregated by a downstream reject kicker mechanism.

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