System for control of motor propelled screen devices, comprises projector and screen device, where system has power detection device for detecting power of projector

摘要

The system comprises a projector (3) and a screen device. The system has a power detection device for detecting the power of the projector. The system also has a central control device (7), a reception device (8) assigned to screen device, trigger device (10) and execution device (11). An independent claim is also included for a method for the control of motor propelled screen devices.