Liquid consumption apparatus and liquid consumption amount...

Details Liquid consumption apparatus and liquid consumption amount... Liquid consumption apparatus and liquid consumption amount...

2007-05-30

2010-12-14

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S019000

Reexamination Certificate

active

07850263

ABSTRACT:
The invention provides a liquid consumption apparatus including a liquid consumption unit, a counting unit that counts the amount of the liquid consumed by the liquid consumption unit as a liquid consumption amount, a reception unit that receives a detection signal indicating that the amount of the liquid contained in the liquid container is not more than a predetermined amount; a detection-time liquid amount memory unit that memorizes the liquid consumption amount at the time of reception of the detection signal as a detection-time liquid consumption amount, and a judgment unit that judges that the liquid container is empty when the amount of difference between the liquid consumption amount and the detection-time liquid consumption amount is not more than a specified amount.

REFERENCES:
patent: 2003/0025741 (2003-02-01), Maeda
patent: 2003/0071862 (2003-04-01), Tsukada et al.
patent: 1336498 (2003-08-01), None
patent: 1570998 (2005-09-01), None
patent: 1754609 (2007-02-01), None
patent: 08-034123 (1996-02-01), None
patent: 09-169118 (1997-06-01), None
patent: 2003-039694 (2003-02-01), None
patent: 01/87626 (2001-11-01), None

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