Process and device for inspecting the surface of a material

Details Process and device for inspecting the surface of a material Process and device for inspecting the surface of a material

1983-02-04

1985-09-03

Ciarlante, Anthony V.

Communications: electrical

Condition responsive indicating system

Specific condition

G08B 2100

Patent

active

045395616

ABSTRACT:
The surface of a material is inspected for defects by visual examination of a television picture of the surface produced by at least one camera focused on the material and transmitting an image to a screen in the form of a video signal. The connection between screen and camera is made only when a defect is detected on the surface of the material. The video signal is delimited by an upper and a lower signal level which, if exceeded, results in a trigger signal being activated. In addition a trigger mechanism and an image storage facility are provided between the screen and the camera. Appearing on the screen are only pictures of surface areas showing defects; areas without defects are not displayed on the screen.

REFERENCES:
patent: 3786265 (1974-01-01), Abilock et al.
patent: 4253113 (1981-02-01), Decavel et al.
patent: 4417149 (1983-11-01), Takeuchi et al.

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