Electricity: electrical systems and devices – Safety and protection of systems and devices – Impedance insertion
Patent
1996-01-11
1998-06-02
Leja, Ronald W.
Electricity: electrical systems and devices
Safety and protection of systems and devices
Impedance insertion
361 93, 128908, H02H 900
Patent
active
057610193
ABSTRACT:
A medical current limiter protects medical electrodes and associated diagnostic apparatus from overcurrents. The medical current limiter includes first and second external terminal connections and first and second cascade circuits, each formed of a pair of n-channel field effect transistors and a p-channel field effect transistor consecutively connected in series between one of the first and second external terminals and a low value resistor. The p-channel field effect transistor and one of the n-channel field effect transistors connected thereto in each cascade circuit have a pinch-off voltage of less than 0.7 volts.
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L.Vad Technology, Inc.
Leja Ronald W.
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