Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type
Patent
1982-10-14
1985-10-01
Cangialosi, Salvatore
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Land-reflection type
G01V 122, G01D 512
Patent
active
045450404
ABSTRACT:
A modular telemetry cable system having first and second array terminals spaced apart a distance of D. A cable extends between the terminals having X number of analog signal transmission means which is connected to 2X transducer sets for gathering 2X analog signals. The analog signals are processed and transmitted as digital signals over a digital transmission means connected between the terminals. At the location in the cable of the two interior transducer sets, the cable is penetrated to connect the interior transducer sets to the same analog transmission means. The portion of the same analog transmissions means between the two interior sets is disconnected from the two interior sets. At the penetrations in the cable of the two interior sets, the other analog transmission means are cut. One transducer set on opposite sides of the cuts in the other transmission means are connected to each of the other analog transmission means. The cable includes only 2X penetrations in the cable for connecting the transducer sets and providing cuts.
REFERENCES:
patent: 4148006 (1979-04-01), Kelm
patent: 4283778 (1981-08-01), Meyer et al.
Fehrenkamp William
Jameson Joe P.
AMF Incorporated
Cangialosi Salvatore
Dougherty David E.
Gallagher John H.
Kaiser K. R.
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