Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1974-03-08
1976-03-02
Zazworsky, John
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307235T, 307235K, 307DIG1, H03K 3286, H03K 520
Patent
active
039420442
ABSTRACT:
A switching circuit is disclosed that is operative from a single supply voltage and is capable of switching in response to both positive and negative voltage input signals and exhibits hysteresis within defined positive and negative threshold voltage limits with respect to a datum voltage level. The circuit includes an input transistor having an input electrode connected to the signal input terminal and a transistor - diode current mirror connected to said input electrode whereby the current mirror defines one of the threshold voltage limits.
REFERENCES:
patent: 3735151 (1973-05-01), Frederiksen et al.
patent: 3743857 (1973-07-01), Fussell
IBM Technical Disclosure Bulletin Vol. 8, No. 5, Oct. 1965 p. 810 "Fast Current Threshold Circuit" by B. R. Sowter.
Franzblau Bernard
Trifari Frank R.
U.S. Philips Corporation
Zazworsky John
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