Communications: electrical – Selective – Having indication or alarm
Patent
1974-04-25
1976-01-06
Wilbur, Maynard R.
Communications: electrical
Selective
Having indication or alarm
114235B, 340 3T, G01V 128
Patent
active
039316084
ABSTRACT:
An apparatus to control the depth in the water of a cable, such as a cable streamer of seismic geophones or hydrophones towed behind an exploration boat during seismic surveys of submerged formations, and maintain the cable at a desired depth while operating at reduced noise levels and with improved operating characteristics. The depth at which the cable is maintained may be adjusted for a range of selected depths.
REFERENCES:
patent: 3412704 (1968-11-01), Buller et al.
patent: 3531762 (1970-09-01), Tickell
patent: 3673556 (1972-06-01), Biggs
Birmiel H. A.
Syntron Inc.
Wilbur Maynard R.
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