Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1979-11-13
1982-01-05
Mullins, James B.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307522, H03K 500
Patent
active
043096646
ABSTRACT:
A digital line sensor includes a voltage sensor which receives transmission of unipolar pulses. A pulse former, coupled to receive the output of the voltage sensor, is coupled to an analog integrator, which, in turn, is coupled to an energy sensor, The digtial line sensor utilizes a comparator circuit for the voltage sensor and a Schmitt trigger for the energy sensor. The analog integrator includes a resistor between the output of the pulse former and the input of the energy sensor. One electrode of a diode is coupled to the output of the pulse former, the second electrode being coupled to the input of the energy sensor. A capacitor is coupled across the input of the energy sensor and a point of reference potential. The digital line sensor can include a first Schmitt trigger adapted to receive transmission of unipolar pulses, the inverted output of which is again inverted by an inverter. An analog integrator couples the output of the inverter to a second Schmitt trigger. The analog integrator includes a resistor between the output of the inverter and the input of the second Schmitt trigger. One electrode of a diode is coupled to the output of the inverter, the second electrode being coupled to the input of the second Schmitt trigger. A capacitor is coupled across the input of the second Schmitt trigger and a point of reference potential.
REFERENCES:
patent: 3138759 (1964-06-01), Thompson
patent: 3466550 (1969-09-01), Wolf et al.
patent: 3997869 (1976-12-01), Mayer
Fisher Fred
GTE Laboratories Incorporated
Mullins James B.
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