Development of the Viscous-Sweep System

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  • ビスカススイープシステムの開発
  • ビスカススイープ システム ノ カイハツ

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Abstract

This paper describes a new quartz watch driving system we developed. With this system, the second hand of a wrist watch moves smoothly as if it is sweeping. An intermittent movement of the stepping motor is transferred to a smooth sweeping motion due to the spiral spring and the viscous regulator. This system also allows the continued superiority of quartz watches.

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