Abstract
In this study, we have proposed the technique that presents information to a tactile by using only one vibrator. The proposal of this study is a technique to present with multiplexing information by using modulated vibration. This modulated vibration consists with two frequency components. At this time, a certain modulated vibration is expressed as one point in the frequency region. As for achieving informational presentation which employed this region, we must make the differential limen characteristic in this region clear. In the previous report, we proposed the evaluation technique of the stimulus difference by using the ERP (event-related potential) which processed an average. However, there was a problem in the mesurement efficiency of the ERP to use an average waveform.
In this paper, we propose the technique made to solve this problem. Our proposal is the technique which evaluates the stimulus difference by using the single trial waveform of the ERP. As a result of the experiment, we confirmed that it could get the evaluation which was equal to the psychophysical quantity by about 60% of the mesurement number of times at the case of the evaluation by using an average waveform of the ERP.
