FIELD: security systems.
SUBSTANCE: after leaving a vehicle, an additional portable device is placed in a close proximity of the smart key, which monitors the presence of the access system signal on the low carrier frequency. When this signal is detected, the interference signal is also emitted on the low carrier frequency.
EFFECT: protects any car with a smart key when attacking with repeaters.
7 cl, 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD AND DEVICE FOR PREVENTING INTERCEPTION OF RADIO SIGNAL CODE FOR REMOTE CONTROL SYSTEM | 2009 |
|
RU2410256C1 |
| KEYLESS VEHICLE ACCESS SYSTEM WITH ADDITIONAL PROTECTION AGAINST THEFT (PKES-PLUS, OPTIONS) | 2021 |
|
RU2763613C1 |
| METHOD OF PROTECTING CAR SECURITY SYSTEM FROM UNAUTHORISED USE | 2013 |
|
RU2543443C1 |
| SYSTEM FOR PROTECTION FROM EXTENSION OF SIGNAL OF STANDARD VEHICLE KEY | 2015 |
|
RU2596262C1 |
| METHOD OF RADIO SEARCH OF STOLEN VEHICLES | 2008 |
|
RU2351489C1 |
| METHOD FOR PROTECTION OF TRANSPORT FACILITIES | 2001 |
|
RU2230367C2 |
| ANTIHI-JACKING SYSTEM | 1996 |
|
RU2105121C1 |
| AUTOMOTIVE ANTITHEFT COMPLEX WITH AUTOMATIC GEOGRAPHIC COORDINATES DETERMINATION | 2006 |
|
RU2333853C2 |
| METHOD TO PROTECT VEHICLES AGAINST HIGHJACKING | 2009 |
|
RU2381118C1 |
| ANTITHEFT 5D-SYSTEM | 2011 |
|
RU2440901C1 |
