System for deploying a sensor array from transiting vessel

Details System for deploying a sensor array from transiting vessel System for deploying a sensor array from transiting vessel

1978-02-13

1980-02-19

Farley, Richard A.

Communications, electrical: acoustic wave systems and devices

Underwater system

Telemetering

114254, 9 8R, B63B 2156

Patent

active

041897030

ABSTRACT:
A system for deploying a vertical linear sensor array from a transiting vessel comprising a tubular deployment case closed at the bottom by a descent weight that is connected to a plurality of sensors packed in the case and connected in sequence by a cable of signal wires to a unit for creating drag in the descent of the deployment case and sensors, such as a collapsed parasol-type drogue or a buoyant body. Stacked over the telemetering unit is a cable dispenser open at the bottom and closed at the top by a nose weight. A substantial length of signal cable is coiled in the cable dispenser to pay out from the center with one end connected to the nose weight and the other connected to transmit sensor signals. A toroid core around the signal cable where it is being payed out inductively couples sensor signals to a signal line connected to an inner conductor of an armored cable. The latter is originally coiled in the deployment case over the nose weight of the cable dispenser and is connected to the cable dispenser a short distance from the nose weight. The free end of the armored cable is connected to the vessel.

REFERENCES:
patent: 3460058 (1969-08-01), Taplin
patent: 3605492 (1971-09-01), Stohrer et al.

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