Patent ID: 7982410
Filing Date: 2011-07-19
Classification: H05B,Y10S

Abstract:
1. An electrical dimmer circuit comprising: the electrical dimmer circuit for dimming the electrical power of a plurality of lighting means having at least one digital input channel, at which digital low-voltage input signals for specifying the light power of the various lighting means can be received, and having at least two output channels, on which output signals for dimming the electrical power of the respectively assigned lighting means can be output by pulse width modulation of a high alternating voltage, wherein the electronic dimmer circuit has a low-voltage microcontroller in which the digital low-voltage input signals can be processed, and wherein the electronic dimmer circuit has one high-voltage microcontroller for each of the at least two output channels, which high-voltage microcontroller calculates the pulse width modulation for the assigned output channel and outputs it as a high-voltage output signal, and wherein the low-voltage microcontroller can transmit control data to the high-voltage microcontroller via a first data link, and wherein the high-voltage microcontroller can transmit sensor data to the low-voltage microcontroller via a second data link, and wherein at least one separating element is interposed in each of the data links between the high-voltage microcontroller and the low-voltage microcontroller, which separating element separates the voltage potentials between the high-voltage microcontroller and the low-voltage microcontroller from each other.