A Detected Equipment for Film Length and Number of Frames(影片长度及画面幅数测定装置)
影片剪辑机上需要一个计数器,以随时显示当时影片的长度和第几个画面.本文介绍由作者研制的一种装置,它采用非接触式检测原理,能准确地测定影片的长度和画面的幅数. 该原理还可以应用到其他类似的场合.
Main Authors: | WANGLin(汪霖), DUJin-chao(杜金潮), WUJian-zhong(吴剑钟), (沈剑峰) |
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Format: | Article |
Language: | zho |
Published: |
Zhejiang University Press
1999-01-01
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Series: | Zhejiang Daxue xuebao. Lixue ban |
Subjects: | |
Online Access: | https://doi.org/zjup/1008-9497.1999.26.2.38-41 |
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