Line control unit for teleprinters

Details Line control unit for teleprinters Line control unit for teleprinters

1975-11-18

1977-09-06

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

178 68, 179 2R, 307270, 307311, H03K 501

Patent

active

040470555

ABSTRACT:
In a line control unit for teleprinters, a pair of isolating circuits are disposed between the line transistors and the generating circuit, so that there is no electrical connection between the line and the signal generator circuit. The generating circuit is coupled to each isolating circuit by a delay circuit which delays only the edges of the corresponding switching signal at which the corresponding transistor turns from the blocked to the conductive state, whereby the conduction of each transistor is delayed while the other transistor recovers to its blocked state.

REFERENCES:
patent: 3359433 (1967-12-01), Thauland
patent: 3555358 (1971-01-01), Gibbs

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