Switching network having improved turn-on capability

Details Switching network having improved turn-on capability Switching network having improved turn-on capability

1975-12-08

1976-08-24

Robinson, Thomas A.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340166R, H04Q 350

Patent

active

039768457

ABSTRACT:
Communication switching system employing several stages of solid state crosspoint switching circuits. Biasing current is supplied to the SCR's of the switching circuits by biasing current control arrangements which provide a relatively heavy current to SCR's being turned on and a relatively low current sufficient to sustain conduction to operating SCR's subsequent to their being turned on.

REFERENCES:
patent: 3819867 (1974-06-01), McCarthy et al.
patent: 3826873 (1974-07-01), Susi
patent: 3936612 (1976-02-01), Hjortendal et al.

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