Arrangement for examining objects

Details Arrangement for examining objects Arrangement for examining objects

1978-05-08

1979-08-07

Griffin, Robert L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358106, 250563, H04N 718

Patent

active

041639910

ABSTRACT:
An arrangement for detecting foreign objects in products. The products are X-rayed to produce a quantized raster scanned signal. The samples thus obtained for each line are combined with the bit samples of the next line, shifted by at least one position, and the output signal is applied to an evaluation arrangement which supplies an alarm signal when a foreign object is present.

REFERENCES:
patent: 4031545 (1977-06-01), Stein et al.
patent: 4091416 (1978-05-01), Riethmuller

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