| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a multi-channel inkjet recording head capable of uniformizing an ink ejection amount from each channel by a simple configuration. <P>SOLUTION: This is a drive circuit of the inkjet recording head 1 having an element capacity 303 of an actuator element specified for each of two or more nozzles and ejecting ink from the nozzles by driving the element capacities. The circuit includes a driving signal source 301 for outputting a driving signal to drive the element capacities 303; two or more switching element on-resistances 302 that are respectively connected to the element capacities 303 and apply driving signals selectively to the element capacities 303; and two or more return resistances 304 connected to the low potential side of the element capacities 303 corresponding to each of the element capacities 303, wherein the resistance values of return resistances 304 are adjusted according to a wiring length between the element capacity to which each return resistance corresponds and the signal source 301. <P>COPYRIGHT: (C)2013,JPO&INPIT |
