FIELD: electric engineering.
SUBSTANCE: back blackout light comprises vessel with transparent protective cover and sources of radiation. Light sources are light-emitting diodes of double radiation range - visible one, corresponding to the colour of signal, and near infrared one - for blackout mode, installed on printed circuit board and grouped for each signal in the form of matrix, controlled by control unit, making it possible to establish blackout modes by ignition of light diodes that make a geometric figure corresponding to supplied signal on radiated surface.
EFFECT: expansion of light functional capabilities, possibility of light operation in full blackout mode, possibility of light operation in mode of partial blackout without application of blackout attachments, increased lighting efficiency and service life of instrument.
2 dwg
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