Electrical transmission or interconnection systems – Personnel safety or limit control features – Interlock
Patent
1976-09-30
1978-01-03
Miller, Jr., Stanley D.
Electrical transmission or interconnection systems
Personnel safety or limit control features
Interlock
357 51, 361 56, 307200B, 361 91, H03K 1700
Patent
active
040669181
ABSTRACT:
The gate insulator of an IGFET, whose gate is connected to the input terminal of a circuit, is protected by limiting the potential difference between any two circuit terminals. Each input and output terminal of the circuit is connected via protective diodes to the power supply lines of the circuit and a high conductivity, low reverse dynamic impedance, diode is connected between the power supply lines. The reverse voltage across the high conductivity diode is less than that of any other diodes at a given current level, whereby only the high conductivity diode conducts substantial currents in the reverse direction.
REFERENCES:
patent: 3712995 (1973-01-01), Steadel
patent: 3967295 (1976-06-01), Stewart
Goldman Michael Barnett
Heuner Robert Charles
Morton George Ira
Niemiec Stanley Joseph
Christoffersen H.
Davis B. P.
Miller, Jr. Stanley D.
RCA Corporation
Schanzer Henry I.
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