FIELD: technology for tracking presence of guarded object.
SUBSTANCE: through solid sound guide in form of elongated body with one or more full tears or profiled partial tears, fixed by controlled objects presence, in direction towards position of protected object a probing ultrasound pulse is sent, reflected echo-signal is received, passing through same environment, absolute value of difference of reflected echo signal is calculated, appropriate for probing ultrasound pulse at the moment of control, and reflected echo-signal, taken as standard, this difference is integrated during a certain time and received result is compared to threshold value. If result exceeds threshold value, intrusion presence is considered detected.
EFFECT: higher precision, higher efficiency.
2 cl, 6 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR ULTRASOUND CONTROL OF OBJECTS IN GUARDED ZONE | 2003 |
|
RU2257618C2 |
| METHOD OF INSPECTING CONTENTS OF CLOSED VOLUME | 2011 |
|
RU2457477C1 |
| METHOD OF TARGET ISOLATION FROM RANDOM REVERBERATION INTERFERENCES | 2008 |
|
RU2365938C1 |
| METHOD FOR DETERMINING STRUCTURAL CHARACTERISTICS OF PRODUCTS MADE OF POLYMER COMPOSITE MATERIALS AND DEVICE FOR ITS IMPLEMENTATION | 2023 |
|
RU2809932C1 |
| INTRATUBAL ULTRASONIC FLAW DETECTOR | 2016 |
|
RU2626744C1 |
| METHOD FOR ULTRASONIC INSPECTION | 2015 |
|
RU2596242C1 |
| METHOD OF ULTRASONIC QUALITY INSPECTION OF ARTICLE | 0 |
|
SU1490631A1 |
| ULTRASONIC DIAGNOSTIC APPARATUS | 2002 |
|
RU2221494C2 |
| TECHNIQUE AND FACILITY FOR ULTRASONIC FORMATION OF IMAGE OF CASED WELL | 1999 |
|
RU2213358C2 |
| PROCESS DETERMINING PLANAR LACK OF CONTINUITY IN THICK- WALLED ARTICLES BY ULTRASONIC METHOD | 2000 |
|
RU2192635C2 |
