FIELD: physics, optics.
SUBSTANCE: invention relates to electronic engineering. Methods and apparatus for determining relative electrical positions of lighting units (202a, 202b, 202c, 202d) arranged in a linear configuration along a communication bus (204) are provided. The methods may involve addressing each lighting unit (202a, 202b, 202c, 202d) of the linear configuration once, and counting a number of detected events at the position of each lighting unit. The number of detected events may be unique to each electrical position, thus providing an indication of the relative position of a lighting unit within the linear configuration. The methods may be implemented at least in part by a controller (210) common to multiple lighting units of a lighting system, or may be implemented substantially by the lighting units (202a, 202b, 202c, 202d) themselves.
EFFECT: easy and highly effective determination of the position of LED lighting units.
17 cl, 5 dwg
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