Ink-jet recording apparatus

Details Ink-jet recording apparatus Ink-jet recording apparatus

2007-02-23

2009-08-11

Nguyen, Lamson D (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S085000

Reexamination Certificate

active

07571977

ABSTRACT:
An embodiment of the description relates to an ink-jet recording apparatus which includes an ink cartridge in which ink is stored in an ink chamber, and a mechanism that optically detects the amount of ink remaining in the ink chamber. The receding contact angle of the ink with respect to an inner wall surface of the ink chamber is about 20° or more.

REFERENCES:
patent: 5471234 (1995-11-01), Katano et al.
patent: 7247198 (2007-07-01), Fujioka et al.
patent: 2008/0238991 (2008-10-01), Morgan et al.
patent: H09-0001819 (1997-01-01), None
patent: 2000-0141692 (2000-05-01), None

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