H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/32, 340/124.
H04N 7/18 (2006.01) B07C 5/34 (2006.01) G01N 21/90 (2006.01) G01N 21/84 (2006.01)
Patent
CA 1228136
ABSTRACT OF THE DISCLOSURE An inspection apparatus is disclosed in which the surfaces of objects to be inspected that are transferred suc- cessively in one direction on a conveyer are irradiated by a light sources and photosensed by a single optical image sensor only. The system inspects the good or bad of the surfaces of the inspected objects by processing the video signals therefrom. In this case, the above mentioned optical image sensor is so arranged that it will simultaneously photosense a plurality of the successively transferred inspected objects. The above mentioned conveyer is so constructed that during the period in which the aforementioned successive inspected objects pass through the visual field of the optical image sensor in one direction, the successive inspected objects are rotated so that their entire round inspected surfaces are all respectively photosensed by the optical image sensor. The output video signals from the optical sensor are supplied to the inspection device and the video signals are inspected thereby in synchro- nization with the shift movements of the inspected objects by the inspection device. The judgement signals therefrom are respectively supllied to the parallel input terminals of the shift registers the number of which is same as that of the inspected objects in the visual field and at the same time the shift pulse synchronized with the movement of the successive moving inspected objects is supplied to the shift register whereby it will output such shifted judgement signals.
489996
Gowling Lafleur Henderson Llp
Hajime Industries Ltd.
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