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1. (WO2017195170) OPTICAL RECOGNITION SYSTEM FOR CAPSULES FOR THE PRODUCTION OF HOT BEVERAGES

Pub. No.:    WO/2017/195170    International Application No.:    PCT/IB2017/052812
Publication Date: Fri Nov 17 00:59:59 CET 2017 International Filing Date: Sat May 13 01:59:59 CEST 2017
IPC: A47J 31/44
Applicants: GB PROGETTI S.R.L.
Inventors: ROLLA, Alberto
Title: OPTICAL RECOGNITION SYSTEM FOR CAPSULES FOR THE PRODUCTION OF HOT BEVERAGES
Abstract:
A method for the optical recognition of capsules (100) for hot beverages machines comprises the steps of introducing a capsule (100) in a machine, stimulating the capsule (100) by an exciting optical signal emitted by a light source (210), reading a feedback optical signal by an optical reader (220), acquisition of the values of the frequency and/or the time frame of the feedback optical signal, determining the fulfillment of predetermined conditions on the values of the frequency and/or the time frame. On the basis of the step of evaluating there is then a step of blocking the normal operation of the machine or a step of pursuing the normal operation of the machine.