COUPON CONTROLLED METERING DEVICE FOR EXAMPLE OF THE POSTAGE METER TYPE

摘要

A postage meter 12 is used in conjunction with a coupon 34 which serves for updating i.e. increasing a credit register, by a predetermined sum of money. Means 48 are provided to invalidate the coupon after use and to provide the coupon with data indicative of the status of the register, e.g. by printing upon the coupon. IMAGE