Electronic postage scale

G - Physics – 01 – G

Patent

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354/38, 265/9

G01G 19/413 (2006.01)

Patent

CA 1094688

431202 ELECTRONIC POSTAGE SCALE ABSTRACT OF THE DISCLOSURE A method of and apparatus for determining and displaying the postal rate for a parcel to be shipped to a destination zone by a selected class of shipment in accor- dance with the weight of the parcel. A memory is provided with plural sections, each section being substantially asso- ciated with a particular class of shipment, and each section storing postal rate data for predetermined weight increments at addressable locations. The address of a location is determined by the parcel weight and the destination zone. Digital weight data is produced as a function of the weight of a parcel placed on the scale and the particular class of shipment and destination zone are selected as desired. The addressed memory location preferably is comprised of first and second parts for storing first and second portions of the composite postal rate data; these first and second parts being read out on a time sharing basis to a display device. The reading out and displaying of postal rate data is inhi- bited upon the occurrence of one or more of predetermined conditions, including the absence of a parcel on a scale, the removal of a parcel from the scale, the improper selection of a destination zone, the improper selection of a class of shipment or the addressing of an improper memory storage location. -i- Also disclosed are various aspects of the inhi- biting feature which is used in this postage scale and par- ticular aspects of the time sharing memory read-out and display.

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