Patent ID: 8791741

Claim:
An adjustment apparatus that adjusts signal output timings, comprising: a control section that causes a first signal out section to out nit a signal having a rising edge and causes a second signal output section to output a signal having a falling edge; a signal acquiring section that acquires a composite signal obtained by combining the signal output by the first signal output section and the signal output by the second signal output section; and an adjusting section that adjusts a timing difference between a signal output timing of the first signal output section and a signal output timing of the second signal output section, such that the signal acquiring section acquires the composite signal having a composite waveform in which a component of the composite waveform due to the rising edge and a component of the composite waveform due to the falling edge overlap, wherein the signal acquiring section acquires logic values of the composite signal at a plurality of different timings, and the adjusting section judges whether the composite signal having the composite waveform in which the components overlap has been acquired, based on the logic values of the composite signal acquired at the plurality of timings.