Browse Publications Technical Papers 2003-01-0200
2003-03-03

Development of a Wiper System with Piezoelectric Element for CCD Camera 2003-01-0200

We succeeded in creating of a very small wiper system for a CCD camera. The source of driving force of it is a vibration phenomenon of a piezoelectric element. In this paper, we will describe the structure and motion of our newly proposed wiper system and the fundamental motion of a piezoelectric element in it. And in order to clarify the driving principle, we carried out a theoretical analysis using the Principle of Hamilton. As a result, a driving mechanism was found, that is, when the blade displaces at a high angular velocity into one direction, the shaft rotates in the opposite direction. We were able to confirm the driving mechanism also by experiments.

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