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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Laser turntable ： ウィキペディア英語版 Laser turntable A laser turntable (or optical turntable) is a phonograph that plays LPs records (and other gramophone records) usually made of heat-stamped vinyl by using laser beams as the pickup – the way a compact disc player plays CDs – instead of using a stylus as in conventional turntables. ==History== William K. Heine presented a paper entitled (A Laser Scanning Phonograph Record Player ) to the 57th Audio Engineering Society (AES) convention in May 1977. The paper details a method developed by Heine that employs a single 2.2 mW Helium–neon laser for both tracking a record groove and reproducing the stereo audio of a phonograph in real time. In development since 1972, the working prototype was named the "LASERPHONE" and the methods it used for playback was awarded (U.S. Patent 3,992,593 ) on 16 November 1976.〔(【引用サイトリンク】title=Patent US3992593 – Disc phonograph record playback by laser generated diffraction pattern – Google Patents )〕 Heine concluded in his paper that he hoped his work would increase interest in using lasers for phonographic playback. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Laser turntable」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.