Postage meter having interactive arithmetic operation capability

Details Postage meter having interactive arithmetic operation capability Postage meter having interactive arithmetic operation capability

1979-10-30

1981-07-21

Smith, Jerry

Boots, shoes, and leggings

364466, 364900, G06F 1520

Patent

active

042801796

ABSTRACT:
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 accordance 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.

REFERENCES:
patent: 4051913 (1977-10-01), Gudea
patent: 4097923 (1978-06-01), Eckert, Jr. et al.
patent: 4139892 (1979-02-01), Gudea et al.

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