FIELD: lighting.
SUBSTANCE: invention relates to lighting and, in particular, to circuit setup for brightness control of at least one LED unit. Result is achieved by the fact that assembly (3, 3′) circuit for brightness control of at least one LED unit (2) contains input (8) to receive working voltage phase cutoff from power supply source (4), processor (14, 14′) of signal processing, connected with mentioned input (8) and adapted to provide signal (12) of light attenuation for mentioned at least one LED unit (2) from the mentioned operating voltage. To ensure effective reduction of noise in signal (12) of light attenuation and simultaneously to provide improved light attenuation of the mentioned LED unit (2) mentioned processor (14, 14′) of signal processing is configured for operation, at least in the mode of noise suppression and light attenuation. Control device (15, 15′) connected with mentioned processor (14, 14′) of signal processing is made and configured to establish a mode of the mentioned processor (14, 14′) of signal processing depending on the change of the mentioned operating voltage.
EFFECT: technical result consists in arrangement of circuit for improved brightness control of at least one LED to the emission of light without flickering.
13 cl, 9 dwg
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Authors
Dates
2016-08-27—Published
2012-08-29—Filed