Electrical transmission or interconnection systems – Personnel safety or limit control features – Interlock
Patent
1976-05-24
1977-09-06
Zazworsky, John
Electrical transmission or interconnection systems
Personnel safety or limit control features
Interlock
307230, 307304, 330 22, 330 35, H03K 520
Patent
active
040470598
ABSTRACT:
A switch, connected in series with a current source across a source of operating voltage, is opened and closed in accordance with the ratio of two input signals to produce an output signal. The current source conducts an output current directly or inversely proportional to the sum of the input signals whereby a parameter of the switched output signal, such as slew rate, is proportional to a parameter of the input signals, such as common mode voltage.
REFERENCES:
patent: 3702942 (1972-11-01), Aguirre
Christoffersen H.
Coalter R. G.
Limberg A. L.
RCA Corporation
Zazworsky John
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