| 摘要 |
<P>PROBLEM TO BE SOLVED: To suppress signal reflection and deterioration of signal quality, the signal being supplied to an element substrate through signal lines provided on a printed wiring board. <P>SOLUTION: The element substrate includes: a plurality of terminals including a first terminal; a first receiving circuit and a second receiving circuit each for receiving a differential signal via the plurality of terminals; a driving circuit including a first input unit for inputting a first signal and a second input unit for inputting a second signal and driving a driving element based on the first signal and the second signal; and a setting circuit for setting a first connection state of connecting an output from the first receiving circuit to the first input unit and connecting an output from the second receiving circuit to the second input unit, or a second connection state of connecting an output from the first receiving circuit to the second input unit and connecting an output from the second receiving circuit to the first input unit. <P>COPYRIGHT: (C)2012,JPO&INPIT |
