Monitoring apparatus

Details Monitoring apparatus Monitoring apparatus

1980-01-17

1982-03-09

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307247R, H03K 19007

Patent

active

043191479

ABSTRACT:
Monitoring apparatus for producing an output in response to a predetermined condition comprising bistable means (4) having a set input, a reset input and an output; trigger means (2, 6) for applying a first train of pulses (.phi..sub.1) to one of the inputs of the bistable means and for applying a second train of pulses of the same frequency as and different phase to the first train of pulses to the other input of the bistable means in response to a predetermined condition: and an output device (8) responsive to oscillation of the bistable means between its stable states.

REFERENCES:
patent: 3248634 (1966-04-01), Fudaley et al.
patent: 3321639 (1967-05-01), Fowler et al.
patent: 3854055 (1974-12-01), Sparks
patent: 3886381 (1975-05-01), Lohmann
patent: 4122359 (1978-10-01), Breikss

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