ARTICLE INSPECTION DEVICE Russian patent published in 1995 - IPC

FIELD: measuring equipment. SUBSTANCE: device comprises two photodetectors 1, 2 installed at an angle other than 180 deg which permits inspecting the article in two sections. Controllable delay units 5, 6 provide for adjusting sensitivity of photodetectors thus ensuring the carrying out of measurements at a fixed amplitude of video signal, and thus taking in account the effect of temperature. EFFECT: higher informativeness and wider functional capabilities due to simultaneous measurement in two sections of dimensions, positions, temperature, and increased accuracy of measurement by attained by correcting for displacement of the article along the optical axis. 9 dwg