Train phone - ressha denwa

Japanese: 列車電話 - れっしゃでんわ

A telephone installed on a train so that people on board can make calls. The train and base station are connected by radio communication, and calls can be made to regular subscriber phones via the base station switching equipment. In Japan, they were first installed on limited express trains of Kintetsu Railway in 1956, and in 1960 they were also installed on limited express trains on the Tokaido Main Line of Japanese National Railways (now JR), and currently they are installed on all Shinkansen trains. The radio communication uses a multiplex method of eight PM channels in the 400MHz band.
→ Related items Telephone

Source : Heibonsha Encyclopedia About MyPedia Information

Japanese:

列車内にいる人が通話するために設置される電話。列車と基地局は無線通信で結ばれ，基地局交換装置を介して一般の加入電話と通話できる。日本では1956年近畿日本鉄道の特急電車に設置されたのが最初で，1960年には国鉄（現JR）東海道本線の特急列車にも設置され，現在は新幹線の全列車に設置されている。無線通信は400MHz帯のPM波８通話路の多重方式を採用。
→関連項目電話

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