Development of a Wiper System with Piezoelectric Element for CCD Camera

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 el...

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Bibliographic Details
Published in:SAE transactions 2003-01, Vol.112, p.173-180
Main Authors: Tsukui, Michio, Saito, Junichi, Suto, Kenji, Yoshizawa, Masatsugu, Maeda, Takeshi, Iwai, Riki, Takatsuka, Kohro
Format: Article
Language:English
Online Access:Get full text
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Summary: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.
ISSN:0096-736X
2577-1531