Electrical transmission or interconnection systems – Personnel safety or limit control features – Interlock
Patent
1983-11-28
1986-07-22
Zazworsky, John
Electrical transmission or interconnection systems
Personnel safety or limit control features
Interlock
307279, H03K 524
Patent
active
046021671
ABSTRACT:
A voltage comparator which is hardly affected by noise and is operable with a low power consumption is disclosed. The comparator circuit comprises first and second flip-flop circuits coupled in series between different voltage terminals. The first flip-flop circuit operates in response to a pair of differential voltages and a state of the second flip-flop is determined by the first flip-flop circuit.
REFERENCES:
patent: 4169233 (1979-09-01), Haraszti
patent: 4274013 (1981-06-01), Clemons et al.
patent: 4485317 (1984-11-01), Davies, Jr.
NEC Corporation
Zazworsky John
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