Toroidal coupled telemetry apparatus

Details Toroidal coupled telemetry apparatus Toroidal coupled telemetry apparatus

1981-01-30

1988-02-16

Moskowitz, Nelson

Communications: electrical

Wellbore telemetering or control

Pulse or digital signal transmission

175 50, G01V 140

Patent

active

047258373

ABSTRACT:
A downhole toroidal coupled telemetry apparatus is disclosed in which the secondary winding comprises a plurality of turns wrapped around a generally annular core member.

REFERENCES:
patent: 2354887 (1944-08-01), Silverman et al.
patent: 2379800 (1945-07-01), Hare
patent: 2389241 (1945-11-01), Silverman
patent: 2411696 (1946-11-01), Silverman et al.
patent: 2414719 (1947-01-01), Cloud
patent: 3186222 (1965-06-01), Martin
patent: 4302757 (1981-11-01), Still

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