Electrical transmission or interconnection systems – Personnel safety or limit control features – Interlock
Patent
1977-07-13
1978-09-19
Zazworsky, John
Electrical transmission or interconnection systems
Personnel safety or limit control features
Interlock
307303, 307363, 357 38, 357 44, 357 48, 357 92, H03K 520
Patent
active
041157117
ABSTRACT:
A hysteresis threshold circuit including two complementary transistors and an output transistor with an injector controlled by the collector of the second complementary transistor. The emitters of the second transistor and of the output transistor are interconnected, while the input of the circuit is constituted by the emitter of the first complementary transistor.
REFERENCES:
patent: 2957091 (1960-10-01), Pace
McGlynn Daniel R.
Rasco Marcus S.
Trifari Frank R.
U.S. Philips Corporation
Zazworsky John
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