Digital marine seismic system
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United States of America Patent
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Oct 30, 1990
Issued Date -
N/A
app pub date -
Oct 16, 1989
filing date -
Feb 26, 1988
priority date (Note) -
Expired
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Abstract
A digital marine seismic system employes a plurality of data acquisition control modules which simultaneously digitize analog seismic signals. The control modules also are selectably addressable in that each module is uniquely programmed to respond only to a particular control word. The system allows a large number of channels, such as 480 channels, on a simple transmission system, such as a twisted pair of wires. Each module includes a power switch to sequentially apply power to downstream modules. Selective addressing of the switches allow testing of specific modules for power malfunctions.
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