Electronic postage meter having a status monitor

Details Electronic postage meter having a status monitor Electronic postage meter having a status monitor

1985-03-12

1987-12-01

Krass, Errol A.

Boots, shoes, and leggings

364464, G06F 1520, G06G 748

Patent

active

047108835

ABSTRACT:
An electronic postage meter includes a microcomputer with an external timer for providing a periodic interrupt. At each interrupt, a monitor routine examines the sensors and switches for changes in status and a monitor word is formed in correspondence with the detected status. A queue of meter tasks is scheduled in accordance with the meter status, any changes in status, or after a selected time has passed.

REFERENCES:
patent: 4301507 (1981-11-01), Soderberg et al.
patent: 4302821 (1981-11-01), Eckert et al.
patent: 4591976 (1986-05-01), Webber et al.

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