Printing device and logic packet processing method

Details Printing device and logic packet processing method Printing device and logic packet processing method

2007-09-19

2011-10-18

Tsai, Henry (Department: 2184)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output command process

C370S395400

Reexamination Certificate

active

08041842

ABSTRACT:
Disclosed herein is a printing device connected to a client, the printing device including: a reception unit which receives plural types of logic packets from the client; a hardware packet processing unit which processes the logic packets by hardware; a software packet processing unit which includes a microprocessor and processes the logic packets by software; and a sorting unit which sorts the plural types of logic packets into a logic packet to be processed by the hardware packet processing unit and a logic packet to be processed by the software packet processing unit, wherein the sorting unit sorts a reply requiring logic packet including contents replying to the client as the logic packet to be processed by the hardware packet processing unit when sorting the plural types of logic packets.

REFERENCES:
patent: 7024516 (2006-04-01), Lu
patent: 7219211 (2007-05-01), Greene et al.
patent: 2003/0223361 (2003-12-01), Hussain et al.
patent: 2004/0052262 (2004-03-01), Visweswaraiah
patent: 2004-102378 (2004-04-01), None
patent: 2006-007638 (2006-01-01), None
patent: 2006-139585 (2006-06-01), None
patent: 2006-173843 (2006-06-01), None
hpoj Reference, Device protocol, http://doc.gnu-darwin.org/, Jul. 31, 2010.

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