Electricity: measuring and testing – Of geophysical surface or subsurface in situ – With radiant energy or nonconductive-type transmitter
Patent
1995-12-13
1997-08-05
Strecker, Gerard R.
Electricity: measuring and testing
Of geophysical surface or subsurface in situ
With radiant energy or nonconductive-type transmitter
324239, 324346, 324368, 376258, G01V 328, G01V 324, G21C 1700
Patent
active
056546394
ABSTRACT:
A device for the measurement by induction of a medium through a metal wall using a transmission portion permitting the induction of a signal in the medium beyond the metal wall and a receiver for receiving a signal transmitted by the medium in response to the induced signal. The transmission portion includes at least one current generator directly connected to the metal wall in such a way that the current passing into the wall induces a signal beyond the wall.
REFERENCES:
patent: 3277363 (1966-10-01), Schuster
patent: 3329891 (1967-07-01), Todd
patent: 4529939 (1985-07-01), Kuckes
patent: 4593770 (1986-06-01), Hoehn, Jr.
patent: 4901023 (1990-02-01), Vail, III
patent: 5038107 (1991-08-01), Gianzero et al.
patent: 5283520 (1994-02-01), Martin et al.
Chaillout Jean-Jacques
Jeandey Christian
Locatelli Marcel
Commissariat a l''Energie Atomique
Strecker Gerard R.
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