Data acquisition, transport and storage system

Details Data acquisition, transport and storage system Data acquisition, transport and storage system

1975-10-28

1977-08-16

Moskowitz, Nelson

Communications: electrical

Selective

Having electron beam device

340 155CP, 235152, 364900, G01V 122

Patent

active

040429059

ABSTRACT:
This abstract describes a system for the field recording of seismic data in which a plurality of geophone outputs are connected to an array terminal. Each geophone is connected to a fixed gain differential amplifier of high gain. The outputs of the amplifiers are square wave and each output goes to one of the parallel inputs of a parallel to serial convertor, through gate means. On a first command from an array controller in a distant recording truck, the gate means are momentarily opened, to store a single bit in each channel corresponding to the sign of the square wave, in the convertor inside the array terminal. The convertor then reads out as a train of serial bits, the stored pulses. This train of single bit signals is carried to the array controller through each of the other array terminals by a single pair of conductors, and stored on a magnetic recording means.

REFERENCES:
patent: 2920306 (1960-01-01), Feagin et al.
patent: 3657694 (1972-04-01), Lindsey
patent: 3748638 (1973-07-01), Montgomery et al.
patent: 3806864 (1974-04-01), Broding et al.
patent: 3883725 (1975-05-01), Fort et al.
patent: 3930145 (1975-12-01), Fort et al.

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