METHOD OF DETECTING THREE-DIMENSIONAL CHANGES WITHIN OBSERVED LIMITED SPACE INDEPENDENTLY FROM PLACE OF OCCURRENCE OF THESE CHANGES WITHIN THIS SPACE Russian patent published in 2017 - IPC G01S15/00 

Abstract RU 2614134 C2

FIELD: radio engineering.

SUBSTANCE: method of detecting three-dimensional changes within an observed limited space independently from the place of occurrence of these changes within the observed limited space relates to radio engineering and can be used in devices for security and fire alarm. Method involves, first, forming in the observed, limited by media separation, space an isotropic by stationary or non-stationary changes in the conditions of an acoustic wave propagation within the limited by media separation space acoustic field; second, measuring amplitude, frequency and phase parameters of this field in one or several arbitrary points of the observed space.

EFFECT: as per the change of these parameters estimated are quantitative values of changes in the conditions of the acoustic wave propagation in the observed space, as per which estimated are quantitative values of volumetric changes independently from the place of their localisation within the observed space.

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RU 2 614 134 C2

Authors

Yaroshevich Aleksandr Petrovich

Dates

2017-03-23Published

2012-02-21Filed