FIELD: electricity.
SUBSTANCE: in device for control of water lines under water along the controlled line omnidirectional electro-acoustic radiators equidistanted from each load of sections of piezoelectric cable inphase connected along a separate line of connection with the voltage generator of kilohertz frequency range are installed, and all connections are sealed.
EFFECT: decrease of sensitivity to noises caused by natural factors.
1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DEVICE FOR GUARDING FRONTIER WATER | 2008 |
|
RU2375755C1 |
| METHOD FOR PROTECTION OF WATER BARRIERS | 2008 |
|
RU2364883C1 |
| INTELLIGENT NETWORK MONITORING SYSTEM OF PROTECTED TERRITORY OF OIL AND GAS PLATFORM IN ICE CONDITIONS | 2019 |
|
RU2715158C1 |
| METHOD OF DETECTING BREACH OF SECURITY BOUNDARY | 2013 |
|
RU2573259C2 |
| APPARATUS FOR PRODUCING ACTIVE EFFECT ON SECURE WATER BODY INTRUDERS | 2010 |
|
RU2451563C1 |
| METHOD OF DETECTING AND PROTECTING FROM REMOTELY CONTROLLED SMALL-SIZED LOW-ALTITUDE UNMANNED AERIAL VEHICLES (SUCH AS MULTICOPTERS) | 2023 |
|
RU2820340C1 |
| RADIOWAVE METHOD OF DETECTION OF MOVING OBJECTS | 2005 |
|
RU2292600C1 |
| GUARDING ALARM DEVICE | 1982 |
|
RU2106016C1 |
| METHOD AND SYSTEM FOR DETECTION OF UNDERWATER OBJECTS AT THEIR PENETRATION TO GUARDED ZONE | 2013 |
|
RU2559701C2 |
| SEISMIC DEVICE FOR DETECTING AN INTRUDER | 2004 |
|
RU2262744C1 |
