Assembly for the transmission of control signals to and/or from mobile equipment

摘要

In an electromechanical machine such as a crane having a movable working component and a drum rotatably secured thereto for taking up slack and controlling the tension in an electrical power supply cable extending from a stationary component to the movable component, an assembly for transmitting control signals between the machine components includes a pair of electro-optical transducers and an optical fiber extending therebetween. The optical fiber is encased in the cable sheath and engages the transducers at either end. One transducer is mounted on the drum and is electrically coupled to a slip ring integral with the drum.