Postal security device with display

Details Postal security device with display Postal security device with display

G - Physics

06

F

G06F 12/14 (2006.01) G06F 3/14 (2006.01) G07B 17/00 (2006.01) G07B 17/04 (2006.01)

Patent

CA 2255440

A primary circuit has an associated parameter, and a display circuit maintains a copy of that parameter. The display circuit displays the parameter based on the copy, and updates the copy by listening in on communications between the primary circuit and an external device. In a preferred embodiment, the primary circuit is a postal security device (PSD) and the parameter is the value of the descending register of the PSD.

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