Patent ID: 8113204

Claim:
A method of operating a microdosing device having a dosing chamber for the at least partial reception of a liquid quantity and with which is associated at least one discharge opening, a vibrating unit in operative connection with at least one boundary surface of the dosing chamber in order to vibrate the same for a discharge process, a delivery function unit, connected to the vibrating unit, for activating the latter during a delivery time period, and a drying function unit for removing liquid residues from the dosing chamber, configured for activation in time-separated manner with respect to the delivery function unit, wherein the delivery function unit and drying function unit are parts of a common electronic control device provided with a time delay unit for coordinating the time-separated activating processes of the delivery function unit and the drying function unit, the method comprising the steps of: activating the delivery function unit to dispense a medium; activating the time delay unit for a pre-determined time-separation; and activating the drying function unit for a drying process.