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单词 Fultograph
释义

Fultograph

英汉-汉英词典
福尔多传真电报机
词组 | 习惯用语
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  • photograph n. 相片 vi. 拍照,摄影;被照相 vt. 给 ... 照相
  • autograph n. 亲笔签名 亲笔稿;手迹 vt. 在…上亲笔签名 亲笔书写
  • lithograph n. 平版印刷品 vt. 用平版印刷
  • pantograph n. 缩放仪,伸缩绘图器
  • pictograph n. 象形文字

网络短语:
Fultograph 福尔多传真电报机
英语百科

Fultograph

A Fultograph image, 65×129mm.

The fultograph was an early, clockwork image-receiving device, similar in function to fax machines. It took signals from the loudspeaker socket of a radio receiver and used an electrochemical process to darken areas of sensitised paper wrapped on a rotating drum. Invented by Otho Fulton, the system was used briefly in the late 1920s to broadcast images to homes by radio. The machines themselves were expensive (£22 15s 0d in 1928) and required a good receiver to operate.

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更新时间:2025/6/19 17:02:05