Device for determining the instant of reception of an acoustic w

Details Device for determining the instant of reception of an acoustic w Device for determining the instant of reception of an acoustic w

1980-09-05

1982-12-21

Moskowitz, Nelson

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Offshore prospecting

367 27, 367 55, 370 85, G01V 128, G01V 138

Patent

active

043653200

ABSTRACT:
A device for the sequential transmission of information elements from a sensor arrangement receiving acoustic waves at different locations and a system for recording or processing these information elements. The device includes means for generating information signals representative of the instant of reception at one of said sensor means of a directly transmitted acoustic wave emanating from a source, in the form of at least two discrete values of a continuously varying voltage which begins to be generated at the instant of reception of the direct wave, and means for determining the instant of reception from said discrete values are provided, after their transmission to the recording or processing system by a sequential transmission of the discrete values.

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patent: 3986162 (1976-10-01), Cholez et al.
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patent: 4107660 (1978-08-01), Chlebow
Abocs, "Sea Bottom . . . Sound Arrivals", 4/49, pp. 123-132, Geophysics.

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