Postage meter having interactive arithmetic operation...

Details Postage meter having interactive arithmetic operation... Postage meter having interactive arithmetic operation...

G - Physics

06

F

354/34

G06F 3/02 (2006.01) G07B 17/00 (2006.01)

Patent

CA 1150840

POSTAGE METER HAVING KEYBOARD WITH CALCULATOR FUNCTION ABSTRACT OF THE DISCLOSURE An electronic postage meter has a keyboard with numeric keys for entering postage values, a display, a set key and an arithmetic key. Circuitry within the postage meter is responsive to the depression of the arithmetic key for modifying a displayed amount in accordance with the next value entered on the keyboard, and is responsive to depression of the set key for enabling the printing of postage in accord- ance with the displayed value. The arithmetic function key may effect the simple addition of the old value in the display and the newly keyed-in function.

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