Patent ID: 6183054
Filing Date: 2001-02-06
Classification: B41J,G01F

Abstract:
A method for determining quantities of consumable products respectively contained in plural reservoirs, each said plural reservoirs being provided with a capacitive arrangement having first and second conductive electrodes of which the first conductive electrode is connectable to an excitation signal generator and of which the second conductive electrode is connectable to detection and measurement means, such that an excitation signal applied to a capacitive arrangement for one of said plural reservoirs results in a signal representing a quantity of product contained in said one of the plural reservoirs, comprising the steps of:selecting electrodes of a capacitive arrangement for one of said plural reservoirs in order to apply an excitation signal across said one of the plural reservoirs;detecting and measuring the corresponding resulting signal; andcorrecting the measurement of the resulting signal by correction values that depend on at least measurements of resulting signals for others of the plural reservoirs.