Brief description of the control of the emission of a flash by a stroboscope in the context of a method of appreciation of the quality of an object in motion by the control of its shape defects

摘要

Method of controlling the transmission of a flash by a stroboscope in the context of a method of appreciation of the quality of an object in motion by the control of the defects in shape. / p & & p & the method calls for the setting, by a camera of television 1, a static image of the moving object during its lighting by the flash of the stroboscope 7. This method consists in order to do this, we shall now describe the object 2 has its passage in a position of the detection predetermined and produce a signal of detection of position, to extract a synchronization signal of the video signal issued by the camera of television 1, and generate a control signal by a flash by the stroboscope 7 when the two signals of the detection of position and synchronization are presents, in a manner that the image signal of said object 2 supplied by said camera of television 1 starts at the start of a scanning of the image.