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2 088 973

(13)

C1

(51)

IPC

(21) (22)

Application

95106864/09, 1995-04-28

(22)

Actual filing date

1995-04-28

(45)

Published

1997-08-27

(72)

Inventor

Chlenov A.N.Klimov A.V.

(73)

Holder

Nauchno-Issledovatel'Skij Tsentr Vserossijskogo Nauchno-Issledovatel'Skogo Instituta Protivopozharnoj Oborony Mvd Rf

ALARM SYSTEM Russian patent published in 1997 - IPC

Abstract RU 2088973 C1

FIELD: burglar alarm systems. SUBSTANCE: device functions in response to electric interference in its power circuit and shapes alarm signal upon supply voltage drop below setting value. For the purpose, it is provided with voltage divider, threshold voltage shaper, one-shot multivibrator, and protective unit. EFFECT: improved reliability of alarm system. 3 cl, 1 dwg

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RU 2 088 973 C1

Authors

Chlenov A.N.

Klimov A.V.

Dates

1997-08-27—Published

1995-04-28—Filed

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