| abstract |
A medium dispenser ( 2 ) includes an electric drive ( 30 ) and a mechanical lock ( 23 ) which is operated by the electrical drive ( 30 ) in response to a timed schedule stored in a memory device ( 36 ). The electric drive ( 30 ) and associated parts may be removably inserted into the medium storage portion of the unit ( 1 ). An indicator ( 40 ) is provided to signal the user through a visible or audible signal, or both, when the dispenser ( 1 ) is available for dispensing operations. |