Sensor integrator system

Electrical transmission or interconnection systems – Personnel safety or limit control features – Interlock

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Details

307228, 307494, 328127, H03K 1914, H03K 522, H03K 500

Patent

active

046212043

ABSTRACT:
A sensor-integrator circuit having a sensor for producing a current varying in accordance with the sensed parameter or a reference current source, a comparator having inverting and noninverting inputs and an output and charge storage device coupled to the inverting input. The circuit is energized to obtain a given positive steady state reset voltage, a reference voltage is applied to the noninverting input of a comparator which is less positive than the steady state voltage and integration is initiated solely by alternately applying the current from the sensor and the reference current to the inverting input of the comparator.

REFERENCES:
patent: 3913022 (1975-10-01), Kinoshita et al.
patent: 4320521 (1982-03-01), Balakrishnan et al.
patent: 4454423 (1984-06-01), Koob

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