Edit
The 485 series (485系, 485-kei) (and the earlier 481 and 483 series, and later 489 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).
Examples
This includes different Cab Designs
FYI: The coverings open when horns activated