1/100秒計測を可能にしたアナログクオーツストップウォッチについて

概要

論文の詳細を見る
This paper describes the world's first quartz analog Stopwatch, the Caliber 8A, which is capable of measuring up to 1/100 second. The Caliber 8A is a genuine quartz analog stopwatch that incorporates a newly-developed stepping motor Which runs at the world's highest speed, i.e., 3000 rpm. ThiS stopwatch consists of three stepping motors, three gear trains, and three control circuits. Performance, circuit operations, etc. of the stepping motor which drives this stopwatch are presented here.
社団法人日本時計学会の論文
1986-06-20