Data array network system

Details Data array network system Data array network system

1975-10-28

1977-01-04

Shaw, Gareth D.

Communications: electrical

Selective

Having electron beam device

3401725, G01V 134

Patent

active

040017699

ABSTRACT:
A system for the field recording of seismic data in which a large plurality of geophones are arrayed on the earth and divided into groups, and each group is connected to an array terminal. All of the array terminals are connected in series, by cables, with the last terminal connected to a recording unit. In each of the terminals there are means to process the geophone analog signals by amplifying at constant gain and digitizing to 1 bit to provide a plurality of 1 bit pulses, which are stored in parallel in a parallel to serial convertor. On command from the recording unit, the bits stored in the convertors are read out in series and are transmitted by a pair of signal conductors to the next in series terminal for storage in the convertor, and from there to the convertor in the next in series terminal, and so on, until all of the bits stored in each of the terminals are transmitted as a plurality of short trains of single bit signals, to the recording unit, where they are recorded on a magnetic digital storage means. Each of the array terminals has an address register in which an address is stored, which is transmitted as a heading to the data stored in that convertor.

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