Magnetically coupled isolation interface circuit

Details Magnetically coupled isolation interface circuit Magnetically coupled isolation interface circuit

1980-08-19

1982-07-13

Kamm, William E.

Surgery

Truss

Pad

128908, 307149, A61B 500

Patent

active

043389511

ABSTRACT:
A pair of toroidally wound cores are maintained in a generally parallel, vertical, spaced apart relationship by a tubular insulating member passing through the toroid centers. The tubular member insulates the windings from a coupling loop which passes through the tube and which closes outside the toroidal windings. One winding is the primary of the isolation circuit, connecting the source of signals through a FET device to ground, and the other winding is secondary winding, which is also connected to ground through a FET, and which is coupled to a utilization device through a low pass filter. The FET devices are synchronously pulsed at a frequency above the signal frequency and the filter pass band.

REFERENCES:
patent: 3431487 (1969-03-01), Savage
patent: 3690313 (1972-09-01), Weppner
patent: 3699390 (1972-10-01), Blakeslee
patent: 4106494 (1978-08-01), McEachern
patent: 4172244 (1979-10-01), Zeis
patent: 4236086 (1980-11-01), Hoebel

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