FIELD: lighting.
SUBSTANCE: invention relates to lighting engineering with code modulation. Lighting device comprises facility (102) of regulation of light intensity of the output light radiation using multiple modes of regulation of light intensity, each of which is a control mode for light force of the output light radiation from the lighting device by a corresponding method of controlling light intensity, and facility (103) of a code integration into the output light radiation. Facility of a code integration into the output light radiation uses the code modulation based on controlling an instantaneous value of the controlled output light radiation from the lighting device in such a way, that for the code integration an integral value of the controlled output light radiation for time interval T is modulated. In this case after that in a receiver the code can be extracted from the modulated light signal by the integration procedure and by output without availability of information on the light intensity control method and/or on the level of control of light intensity of the lighting device.
EFFECT: technical result is simplification of light intensity regulation.
11 cl, 6 dwg
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Authors
Dates
2016-12-10—Published
2012-04-26—Filed