The photo-telegraph went into actual use in 1924. The system was invented by Koln (Germany) and Belan (France) and operated over a telegraph line. In Japan, the NE-type invented by Niwa Yasujiro was introduced first. A picture of the Emperor Showa's enthronement ceremony in Kyoto in 1928 (Showa 3) sent by a newspaper company was the first photo-telegraph to be sent using a leased line. In general use, the photo-telegraph was used to send information such as pictures and handwriting.

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