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File:Juusyokurecord(s27-001322).gif

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Juusyokurecord(s27-001322).gif (352 × 288 pixels, file size: 1.47 MB, MIME type: image/gif, looped, 330 frames, 22 s)

Summary

Description
English: Animated diagram of Juusyoku Record.

The Juusyoku Record (重色レコード) is a sound media invented by Yoshiro Nakamatsu in early 1950s.

Several lines of red and green variable-area sound tracks are printed on a white paper. While an electric bulb with red or green filter lights up the track, a moving optical pickup read the visible track and play sound.

Patent information of the media (Japanese, S27-001322):

Patent information of the player (Japanese, S27-002166):

Date
Source Own work
Author Onhigan

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2 July 2017

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Date/TimeThumbnailDimensionsUserComment
current13:34, 2 July 2017Thumbnail for version as of 13:34, 2 July 2017352 × 288 (1.47 MB)OnhiganUser created page with UploadWizard

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