Electronic roll-a-long switch

Details Electronic roll-a-long switch Electronic roll-a-long switch

1981-06-16

1985-05-21

Wilbur, Maynard R.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

34087013, 367 59, G01V 122, H04Q 1104

Patent

active

045190526

ABSTRACT:
An electronic roll-a-long switch for use in a seismic exploration system and method of seismic exploration are disclosed. For a group of N sequentially numbered receiver points, N/2 input channels are provided. Each input channel receives input from one of two receiver points which are spaced N/2 receiver points apart. The input channels are multiplexed to a data bus in an order corresponding to the sequential numbers of the receiver points comprising the input channels.

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patent: 4296464 (1981-10-01), Woods et al.
patent: 4308598 (1981-12-01), Mahmood

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