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2 037 881

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C1

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IPC

(21) (22)

Application

4809029/24, 1990-02-26

(22)

Actual filing date

1990-02-26

(45)

Published

1995-06-19

(72)

Inventor

Olenin Ju.A.Andrianov E.Ju.Shapaev V.G.

(73)

Holder

Nauchno-Issledovatel'Skij I Konstruktorskij Institut Radioehlektronnoj Tekhniki

VIOLATOR DETECTION METHOD Russian patent published in 1995 - IPC

Abstract RU 2037881 C1

FIELD: alarm signaling systems. SUBSTANCE: method comprises steps of forming a spatial standing wave in an extended sensing member, restricting a zone to be protected; changing a spatial phase of that wave and comparing a level of oscillation intensity in a reception point with the a reference value; forming an alarm signal at deviation of the level from the reference one. EFFECT: enhanced reliability of the method. 1 cl, 7 dwg

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RU 2 037 881 C1

Authors

Olenin Ju.A.

Andrianov E.Ju.

Shapaev V.G.

Dates

1995-06-19—Published

1990-02-26—Filed

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