Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2008-07-22
2010-11-30
Nguyen, Thinh H (Department: 2861)
Incremental printing of symbolic information
Ink jet
Controller
C347S019000
Reexamination Certificate
active
07841681
ABSTRACT:
An ink tank receives data signals from a printer and an LED provided on the ink tank is driven on the basis of the received data signals. The LED is driven in an inactive time period that is different from the time period in which the date signals are input to the ink tank.
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patent: 7448712 (2008-11-01), Hatasa et al.
patent: 779156 (1997-06-01), None
patent: 1547781 (2005-06-01), None
Hatasa Nobuyuki
Hayasaki Kimiyuki
Tateno Tetsuya
Watanabe Kenjiro
Yamazaki Tatsuhiko
Canon Kabushiki Kaisha
Canon USA Inc IP Div
Nguyen Thinh H
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