Patent ID: 8098242
Filing Date: 2012-01-17
Classification: G03G,G06F,G09G,H04N,Y02D

Abstract:
1. An arrangement comprising: a power supply unit comprising a switching power converter, the switching power converter comprising at least one semiconductor switch for controlling a duty cycle of the switching power converter using a pulse width modulated control signal; and a first electronic device coupled to the power supply unit such that the power supply unit provides the first electronic device with electric operating energy from a mains voltage, wherein the first electronic device comprises: wherein the first electronic device comprises a display device, comprising a display screen and a scaling unit, wherein the scaling unit is coupled to the graphics interface and the display screen, the scaling unit being adapted to generate an output signal for the display screen based on a graphics signal received from the graphics interface; wherein the evaluation unit is integrated into the scaling unit; wherein the scaling unit comprises the microcontroller of the evaluation unit, the microcontroller being connected to the graphics interface for supplying the microcontroller with an operating energy in the energy saving state; and wherein, in the energy saving state, the scaling unit is completely deactivated while the microcontroller is supplied with auxiliary energy received from the second electronic device.