THREE-FIGURE LIGHT DIODE TRAFFIC LIGHTS Russian patent published in 2004 - IPC

Abstract RU 2237290 C2

FIELD: engineering of regulating devices, mounted along routes of trains and locomotives.

SUBSTANCE: device has contacts of green and yellow signal relays and two light diode circuits of different radiation types. Selected connection scheme of light diode circuits to power source though contacts of signal relays makes possible receiving of three colors of traffic lights indications, green, red, and yellow, in case of presence of light diode circuits of green and red colors.

EFFECT: substantially simplified construction, lower manufacturing costs and lower operation costs.

1 dwg

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RU 2 237 290 C2

Authors

Savel'Ev E.O.

Sergeev B.S.

Dates

2004-09-27Published

2002-08-27Filed