FIELD: control systems.
SUBSTANCE: group of inventions refers to an additional indication of motion control. Group of inventions works as follows. Additional indicator is provided with a control unit responsible for synchronizing the operation of the main and additional indicators, as well as the unit that controls the correctness of changing modes, and the additional indicator is placed on consoles, pole masts and supporting elements of the main indicator.
EFFECT: increased visibility of the indication.
6 cl, 6 dwg
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Authors
Dates
2019-01-09—Published
2017-06-21—Filed