Digital copier system

Details Digital copier system Digital copier system

1994-05-23

1995-08-08

Moses, R. L.

Photocopying

Contact printing

Light boxes

358401, 355208, G03G 1500

Patent

active

054403723

ABSTRACT:
In a digital copier system wherein a plurality of applications share a plurality of resources, a system controller executes exclusive control with duplex copy unit requests sent from a plurality of applications, thereby allowing only one application to use a duplex copy unit. This guarantees the consistency of the system by eliminating problems attributable to a decision on the duplex copy unit which differs from one application to another application. Further, when a paper or papers are left on the unit after a certain application has occupied the unit for more than a predetermined period of time, the system forcibly discharges them from the unit and causes the application to release the right to use the unit.

REFERENCES:
patent: 5016114 (1991-05-01), Sakata et al.
patent: 5049929 (1991-09-01), Anderson et al.
patent: 5105284 (1992-04-01), Sakata et al.
patent: 5361134 (1994-11-01), Hu et al.

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