ARTICLE PASSAGE RECOGNITION:SIZE AND MATERIAL DETECTION

摘要

Article, more particularly coin, recognition system including measuring means (L3, L4) producing a measurement signal varying at least in function of the relative position of a coin with respect to the measuring means and the coin material, and coin sensing means (L5) able to produce a control signal upon the rear edge of the coin occupying with respect to the measuring means a predetermined position wherein the coin influences the measuring means, the control signal authorizing the recording in a register (IOC) of the measurement signal then provided by the measuring means. The above system is processor controlled and includes means to prevent it entering a programme loop.