Device for determining the relative position of elongate members

Details Device for determining the relative position of elongate members Device for determining the relative position of elongate members

1977-11-11

1980-02-05

Moskowitz, Nelson

Communications, electrical: acoustic wave systems and devices

Distance or direction finding

With time interval measuring means

367 19, G01V 138

Patent

active

041874927

ABSTRACT:
Device for determining the relative position of at least one seismic streamer comprising acoustic pulse sensors, with respect to a seismic streamer comprising acoustic pulse transmitters, all of said streamers being towed behind a ship, comprising a telemetrical system for measuring the distance between pulse sensors and pulse transmitters by the determination of the travel time of pulses between different pulse transmitters and corresponding pulse sensors and a viewing system for displaying the so-measured distance.

REFERENCES:
patent: 3076519 (1963-02-01), Alsabrook
patent: 3414874 (1968-12-01), McLoad
patent: 3633204 (1972-01-01), Earp et al.
patent: 3775737 (1973-11-01), Laurent
patent: 3816832 (1974-06-01), Elwood
patent: 3831136 (1974-08-01), Sagoci
patent: 3840845 (1974-10-01), Brown
patent: 3868692 (1975-02-01), Woodard et al.
patent: 4001771 (1977-01-01), Amrine et al.
patent: 4011540 (1977-03-01), Farr
patent: 4037189 (1977-07-01), Ball et al.
patent: 4063213 (1977-12-01), Itria et al.

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