Anti-theft system for vehicle and anti-theft device for vehicle
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsYoshihide Nakane, Kouichi Masamura, Takao Ozawa
Life of this patent
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Abstract
An anti-theft system for a vehicle includes an on-vehicle machine including reporting means configured to report by radio an illegal activity affecting the vehicle to a designated opponent to be reported to in a case where the illegal activity is detected; and an external facility, the external facility including obstruction radio wave detection means configured to detect a radio wave obstructing the radio-report by the reporting means; and illegal activity prevention means configured to prevent the illegal activity in a case where the radio wave is detected by the obstruction radio wave detection means.
Claims9
An anti-theft system for a vehicle, comprising:
- an on-vehicle unit including reporting means configured to report, by radio, an illegal activity affecting a vehicle with ID information of the vehicle or a user of the vehicle to a center in a case where the illegal activity to the vehicle is detected;
- and
- an external facility provided at a site where the vehicle having the on-vehicle unit is located, the external facility including:
- ID information obtaining means configured to obtain ID information of the vehicle located at the site or of a user of the vehicle;
- obstruction radio wave detection means configured to detect a radio wave obstructing the radio report by the reporting means;
- and
- illegal activity prevention means configured to report the existence of the obstructing radio wave with ID information obtained by the ID information obtaining means to the center by using a frequency different from a frequency used for the radio report by the radio reporting means as an action to prevent the illegal activity in a case where the obstructing radio wave is detected by the obstruction radio wave detection means.
An anti-theft method for a vehicle, comprising:
- reporting by an on-vehicle unit, by radio, an illegal activity affecting a vehicle, with ID information of the vehicle or a user of the vehicle, to a center in a case where the illegal activity to the vehicle is detected;
- obtaining ID information of the vehicle located at a site or a user of the vehicle, by an external facility provided at the site where the vehicle having the on-vehicle unit is located;
- detecting a radio wave obstructing the radio report by the external facility;
- and
- reporting the existence of the obstructing radio wave, with the obtained ID information, to the center by using a frequency different from a frequency used for the radio report by radio of the illegal activity as an action to prevent the illegal activity in a case where the obstructing radio wave is detected by the external facility.
Dependencies are inferred from the claim text.