SECURITY ALARM DEVICE Russian patent published in 1996 - IPC

Abstract SU 1834552 A1

FIELD: security devices. SUBSTANCE: device has transmitting and receiving cables, receiver, decoupling filter, setter of synchronization pulses, decoupling filter, flip-flop, switched load, decoupling filter, receiver, flip-flop, selection units, signal processing units, OR gate, threshold gate, alarm unit, direct current amplifier, band-pass filter. Device monitors crossing of border of protected area. EFFECT: increased stability to noise. 2 cl, 4 dwg

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SU 1 834 552 A1

Authors

Zajkin Ju.N.

Ljubachev V.A.

Poluehktov A.M.

Fedotenko G.N.

Dates

1996-10-10—Published

1982-07-20—Filed