学习的美景:教室中的投影仪简史

2月28日,Anuli Akanegbu在 edtechmagazine 网站上发表了题为《学习的美景:教室中的投影仪简史》(Vision of Learning: A History of Classroom Projectors),文章回顾了教室中的投影仪的简要历史,读来令人遐思啊!

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North Carolina State University

18世纪后期:幻灯(The Magic Lantern)

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Photo: Toy Theatre

幻灯是使用最早的电教煤体之一,18世纪末,教育领域翻开始把它运用于教学中。

1925: 胶片放映机(The Filmstrip Projector)

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Photo: American Planning Association

1960s: 光学投影仪(The Overhead Projector)

old-overhead-projector-500Photo: North Carolina State University

1980s: 数字投影仪(The Data Projector)

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 Photo: Computer Desktop Encyclopedia

2010: 3D投影仪(The 3D Projector)

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Photo: Texas Instruments

 

 

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