Electrical transmission or interconnection systems – With nonswitching means responsive to external nonelectrical... – Temperature responsive
Patent
1992-03-27
1993-11-02
Sikes, William L.
Electrical transmission or interconnection systems
With nonswitching means responsive to external nonelectrical...
Temperature responsive
307633, 307642, 307311, H03K 1756, H03K 342
Patent
active
052586707
ABSTRACT:
A LTQ (light triggered & quenched) static induction thyristor circuit of the present invention is to provide a LTQ static induction thyristor circuit obtaining an excellent dv/dt capability and operating ambient temperature characteristics, a large optically controllable current capability, and simple structure. A main static induction thyristor turns on when its gate receives an optically triggering pulse and causes a current to flow through a load from a positive terminal of a power supply. A photothyristor turns on when its gate receives an optically quenching pulse and causes the gate to a negative power supply voltage to turn off. At this point, a first resistor functions in such a manner as to hold turned on for a predetermined time period even after application of has been ended. By the flow of such current through a first resistor, the gate is biased to a negative voltage.
REFERENCES:
patent: 4039863 (1977-08-01), Ohhinata et al.
patent: 4509069 (1985-04-01), Stoisiek
patent: 4816891 (1989-03-01), Nishizawa
Patent Abstracts of Japan, vol. 14, No. 324 (E-951) Jul. 11, 1990.
IEEE Electron Device Letters, vol. EDL-7, No. 4, Apr. 1986, "Functional Integration of the Light Triggered Static Induction Thyristor and the Static Induction Phototransistor", J. Nishizawa et al. pp. 265-267.
Baba Akira
Endo Shigemi
Katsumata Masaaki
Saito Masayuki
Sikes William L.
Tran Toan
Yazaki -Corporation
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