| 摘要 |
PROBLEM TO BE SOLVED: To provide ink-jet driver circuits which can prevent occurrence of noise in an IC where the ink-jet driver circuits are packed, due to a large current temporarily flowing therein. SOLUTION: The ink-jet driver circuit 1 drives an ink-jet section which ejects ink by using a piezoelectric element formed of a plurality of oscillation portions oscillating according to a voltage applied thereto. The ink-jet driver circuit 1 comprises a plurality of driving circuit sections C1 to Cn for outputting respective voltages input from the outside to the respectively corresponding oscillation portions, according to input control signals, and a control circuit section 2 for controlling voltage outputs by the respective driving circuit sections. The control circuit section controls the driving circuit sections so as to output the input voltages in a predetermined order. COPYRIGHT: (C)2007,JPO&INPIT
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