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The 1000 series was the world's first train type to use fuzzy logic to control its speed, and this system developed by Hitachi [1] accounts for the relative smoothness of the starts and stops when compared to other trains, and is 10% more energy efficient than human-controlled acceleration. [2]
Advanced Train Administration and Communications System (ATACS) is an automatic train control (ATC) system developed by RTRI starting from 1995 [citation needed] and first introduced by JR East on the Senseki Line in 2011. It uses radio communication rather than traditional signals, and works as a moving block system. [1]
A short-range device (SRD), described by ECC Recommendation 70-03, is a radio-frequency transmitter device used in telecommunication that has little capability of causing harmful interference to other radio equipment. Short-range devices are low-power transmitters, typically limited to 25–100 mW effective radiated power (ERP) or less ...
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Electrification systems used by the Japan Railways Group, Japan's formerly state-owned operators, are 1,500 V DC and 20 kV AC for conventional lines and mini-Shinkansen, and 25 kV AC for Shinkansen. Electrification at 600 V DC and 750 V DC are also seen in private lines and non-rail based transit systems.
The 485 series (485系, 485-kei) (and the earlier 481 and 483 series variants) was a Japanese limited express electric multiple unit (EMU) type introduced in 1964 by Japanese National Railways (JNR), and later operated by the East Japan Railway Company (JR East), West Japan Railway Company (JR-West), and Kyushu Railway Company (JR Kyushu).
Kyokuto Hoso Radio (極東放送) was a Japanese commercial radio station broadcasting to Okinawa Prefecture, founded in 1958 as a division of the Far East Broadcasting Company before switching to a secular commercial operation following the reversion of control of Okinawa to Japan, it was headquartered in Urasoe and had JOTF as its callsign.
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