Latching comparator with hysteresis

Details Latching comparator with hysteresis Latching comparator with hysteresis

1985-04-19

1987-02-10

Zazworsky, John

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307288, 3075421, H03K 5153

Patent

active

046424849

ABSTRACT:
A latching comparator circuit with hysteresis, including bi-state circuit means responsive to an input signal and to a reference signal for, while in a first state, changing to a second state when the input signal has a first predetermined relationship with the reference signal, and for, while in the second state, changing to the first state when the input signal has a second predetermined relationship with the reference signal. Latch means is included for connection with the bi-state circuit means and is responsive to a control signal for preventing the bi-state circuit means from changing from one of the two states to the other of the two states after the bi-state circuit means changes to the other of the two states.

REFERENCES:
patent: 3946254 (1976-03-01), Millben
patent: 3988595 (1976-10-01), Eatock
patent: 4406955 (1983-09-01), Lo Cascio
patent: 4438349 (1984-03-01), Shoji

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