Measuring system for recognition of surface features

Details Measuring system for recognition of surface features Measuring system for recognition of surface features

1999-01-21

2000-08-08

Le, Que T.

Radiant energy

Photocells; circuits and apparatus

With circuit for evaluating a web, strand, strip, or sheet

3562391, G01N 2186

Patent

active

061005371

ABSTRACT:
A measuring system for recognition of surface features of a product, (3) e.g. flat glass, rapidly moved on a conveyor (2), with a sensor system (1) that is stationary relative to the moving product (3) and is directed towards the reflecting and/or scattering surface, includes a plurality of transmitter-detector pairs (6, 7) extending transversely to the transport direction (10) of the product (3) and vertically offset to the conveyor (2) along a line, wherein each detector output is connected to an apparatus for determining the intensity of the detector signal, so that the intensity signals of all detectors (7) can be fed in parallel to an evaluation unit (5).

REFERENCES:
patent: 3835332 (1974-09-01), Bridges
patent: 5357335 (1994-10-01), Sparks
patent: 5557403 (1996-09-01), Task
B. Kleinemeier et al: "Halbleitersensoren fur die Bilderfassung in der Maialbahninspektion"; Technisches Messen TM, 1982-1988, vol. 54, No. 4, 1987 Munich, Germany, pp. 146-154, XP002046144 (Month unknown).

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