DVD/CD兼容拾音器与液晶快门

1997 International Conference on Consumer Electronics Pub Date : 1997-06-11 DOI:10.1109/ICCE.1997.625894

Takagi, Yamada, Kajiyama, Kanou, Matsumura, Tsuchiya, Ichiura

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引用次数: 2

摘要

本文介绍了一种具有液晶快门的光学拾取器，它可以同时读取dvd和cd。这款相机的物镜孔径(NA)为0.6，专为dvd设计。通过使用液晶快门改变进入物镜的光束大小，它可以读取dvd和cd。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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DVD/CD Compatible Pick-up With Liquid Crystal Shutter

This paper describes an optical pick-up with a liquid crystal shutter that can read both DVDs and CDs. The pick-up has an objective lens with a numerical aperture (NA) of 0.6, which is designed for DVDs. By changing the beam size which enters the objective lens using a liquid crystal shutter, it can read both DVDs and CDs.

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来源期刊

1997 International Conference on Consumer Electronics

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