Title:
INK JET HEAD DRIVER AND INK JET RECORDER USING THE SAME
Document Type and Number:
Japanese Patent JP2003154647
Kind Code:
A
Abstract:
To prevent an ink jet head driver from breaking by an abnormal current and enable to make a printing after an ink jet head is recovered to normal in the ink jet head driver.
The ink jet head driver 20 discharges ink from a nozzle by a piezoelectric effect by driving an actuator B. The ink jet head driver 20 has a switching part 21 for supplying a driving current to the actuator B to drive and shift the actuator B, and a current limiting means 22 for limiting the current to flow to the switching part 21 for the current of a predetermined value or larger.
Inventors:
NAKAGAWA SEIJI
OYAMA MASAHARU
MATSUO HIDETOSHI
OYAMA MASAHARU
MATSUO HIDETOSHI
Application Number:
JP2001355629A
Publication Date:
May 27, 2003
Filing Date:
November 21, 2001
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
B41J2/045; B41J2/055; H01L41/09; (IPC1-7): B41J2/045; B41J2/055; H01L41/09
Attorney, Agent or Firm:
Fumio Iwahashi (2 others)