Method and apparatus for remotely controlling electrically powered accessories by way of a digital signal impressed onto the power cable of the accessory to be controlled

摘要

A control system for vehicle accessories or similar items remote from the controls is disclosed. The control system is connected via the power connection to the accessories, where the control signal is a pulse train impressed on the power connection. The modulation may be a frequency shift keyed waveform and each accessory may have a differing binary address.