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

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

1983-08-04

1985-03-26

Groody, James J.

Communications: electrical

Systems

Selsyn type

455603, H04M 1104

Patent

active

045076456

ABSTRACT:
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.

REFERENCES:
patent: 4306314 (1981-12-01), Griffiths
patent: 4379615 (1983-04-01), Toda
patent: 4413250 (1983-11-01), Porter
patent: 4434510 (1984-02-01), Lemelson
McMahon et al., "Fiber-Optic Transducers," IEEE Spectrum, Dec., 1981, pp. 24-29.

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