運針ムラ低減機構の提案
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概要
- 論文の詳細を見る
In recent years remarkable improvement has been made on the accuracy of wrist watch. Lately watches which can keep time within 10 or 20 seconds par tear are in practical use. So it is needed for watch to keep more accurate position of hands. In this paper we focus on the movement of hands because this is said to be the starting point of basic performance. Particularly we present here an advancement in indication precision of the second hand.
- 社団法人日本時計学会の論文
- 1993-12-20