Receiver electronics proximate antenna

Details Receiver electronics proximate antenna Receiver electronics proximate antenna

2007-12-11

2007-12-11

Aurora, Reena (Department: 2862)

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

With radiant energy or nonconductive-type transmitter

C324S339000

Reexamination Certificate

active

10992129

ABSTRACT:
A resistivity tool includes receiver electronics near each receiver antenna loop. Placement of the electronics in this position such as at the circuit card between the terminal ends of the receiver antenna loop improves signal to noise ratio by reducing or eliminating interference, noise, and cross-talk of transmissions from the receiver to a remote microprocessor. By using material such as silicon-on-sapphire, electronics can be miniaturized and operate reliably at when exposed to high temperatures, even for long periods.

REFERENCES:
patent: 4845494 (1989-07-01), Hanson et al.
patent: 4899112 (1990-02-01), Clark et al.
patent: 5278507 (1994-01-01), Bartel et al.
patent: 6353321 (2002-03-01), Bittar
patent: 6777940 (2004-08-01), Macune

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