Data communication apparatus capable of rewriting firmware

Details Data communication apparatus capable of rewriting firmware Data communication apparatus capable of rewriting firmware

2011-08-16

2011-08-16

Moore, Ian N (Department: 2469)

Electrical computers and digital processing systems: multicomput

Computer conferencing

Demand based messaging

C709S238000

Reexamination Certificate

active

08001191

ABSTRACT:
When electronic mail with firmware attached is received at a data communication apparatus, determination is made whether it corresponds to firmware data of a write process allowable state. In the case of write process allowable data, the message is downloaded from a mail server to a printer controller. Then, derived firmware is transmitted to an image formation apparatus. A firmware rewrite permission is obtained. When the firmware attached to the message does not attain a write process allowable state, waiting is conducted for reception of write process allowable firmware with the data left in the mail server. As a result, a data communication apparatus is provided that can rewrite firmware appropriately independent of a transmitted and received order of divided firmware.

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Office Action dated Feb. 12, 2004 for corresponding Japanese Application No. 2001-137940.

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