Gyrator

Details Gyrator Gyrator

1984-07-20

1986-01-21

Wong, Peter S.

Electricity: power supply or regulation systems

External or operator controlled

Using a three or more terminal semiconductive device as the...

323902, 333215, G05F 100, H03H 744

Patent

active

045659621

ABSTRACT:
A gyrator is comprised of a first voltage-current converter for converting the first voltage applied to a first terminal into electric current, a first light-emitting diode for converting the output current of the first voltage-current converter into a corresponding photosignal, a first phototransistor optically connected to the first light-emitting diode, the transistor converting the photosignal from the first light-emitting diode into a corresponding current, the transistor further supplying the converted current to a load capacitor connected to a second terminal, a second voltage-current converter for converting voltage, which is caused at the second terminal by the load capacitor, into a corresponding electric current, second light-emitting diode for converting the output current of the second voltage-current converter into a corresponding photosignal, second phototransistor optically connected to the second light-emitting diode, and for converting the photosignal from the second light-emitting diode into a corresponding electric current, and means for supplying the converted electric current from the phototransistor to the first terminal.

REFERENCES:
patent: 3452304 (1969-06-01), Mitra
patent: 3497836 (1970-02-01), Daniels
patent: 3500262 (1970-03-01), Daniels
patent: 3501716 (1970-03-01), Ferch et al.
patent: 3513401 (1970-05-01), Tokunaga
Voorman et al., "An Electronic Gyrator," IEEE Journal of Solid-State Circuits, vol. SC-7, No. 6, pp. 469-474, Dec. 1972.

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