Liquid-ejecting head, liquid-ejecting device,...

Details Liquid-ejecting head, liquid-ejecting device,... Liquid-ejecting head, liquid-ejecting device,...

2011-06-14

2011-06-14

Luu, Matthew (Department: 2861)

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Reexamination Certificate

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07959249

ABSTRACT:
A liquid-ejecting head includes a liquid cell that contains an ejection medium that is liquid at normal temperature, a nozzle for ejecting the ejection medium in the liquid cell, an energy unit for supplying ejection energy to the ejection medium in the liquid cell, and heating means for heating the liquid cell independently of the supply of the ejection energy to the ejection medium in the liquid cell. The energy unit is driven to eject the ejection medium from the nozzle in a droplet form. The heating means is supplied with a substantially direct current component to generate heat so that at least the temperature of the liquid cell is constantly maintained above the ambient temperature irrespective of whether the energy unit is driven.

REFERENCES:
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patent: 2002/0001015 (2002-01-01), Kojima et al.
patent: 0 752 313 (1997-01-01), None
patent: 0 838 332 (1998-04-01), None
European Search Report dated Aug. 28, 2006.

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