Patent ID: 6142340
Filing Date: 2000-11-07
Classification: B67D

Abstract:
A beverage dispenser, comprising:a pump for squeezing a beverage material-supplying tube to extrude a beverage material supplied from a BIB (Bag In Box) via said beverage material-supplying tube to a nozzle;a sensor provided outside said beverage material-supplying tube for generating an analog signal dependent on a condition of said beverage material inside said beverage material-supplying tube;means for sampling said analog signal at subsequent groups of sampling timings to generate said subsequent groups of sampled signals, and selecting group-highest values from said subsequent groups of sampled signals;a memory for subsequently storing said group-highest values; anda processor for calculating a moving average of said group-highest values, and determining a state of sold-out of said beverage material in said BIB in accordance with a change rate of said moving average.