Electronic postage meter system having internal accounting system and removable external accounting systemUS5731980A

摘要

A metering system includes means f or printing postage value. First means are coupled to the printing means f or accounting f or value printed by the printing means. Second means are coupled to the printing means f or accounting f or value printed by said printing means. Means determine which of the f irst and the second accounting means accounts f or value printed by said printing means. The system may be arranged where the f irst accounting means is a smart card chip mounted internal to the metering system and the second accounting means is an external smart card. When the system is operable only one accounting system is rendered operable with priority given to the external smart card.