Patent Nr. 314805

N/A

2020

Documentary

2 minutes

Summary

Finnish engineer Eric Tigerstedt solved the dilemma of sound-on-film already before the First World War. All images and sounds in this short film are produced from the surviving test materials originally created in 1914.

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Original NamePatentti Nr. 314805 (Patent Nr. 314805)

StatusReleased: 4 years ago
May 17, 2020

Languagesuomi

Spoken Languagessuomi

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