Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2006-09-19
2006-09-19
Nguyen, Lamson (Department: 2861)
Incremental printing of symbolic information
Ink jet
Controller
C347S010000, C347S070000
Reexamination Certificate
active
07108348
ABSTRACT:
A droplet ejecting apparatus and an ejection abnormality detecting/determining method are provided that, depending upon a capacitance change of an actuator after a droplet ejecting operation, measures the period of residual vibration on the vibration plate to thereby enable detection of an ejection abnormality and determination of a cause thereof.
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Sakagami Yusuke
Shinkawa Osamu
Harness & Dickey & Pierce P.L.C.
Lebron Jannelle M.
Nguyen Lamson
Seiko Epson Corporation
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