Method for preventing security breaches of a passive remove keyless entry system
Number of patents in Portfolio can not be more than 2000
United States of America
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Mar 1, 2022
Grant Date -
Jan 16, 2020
app pub date -
Jun 20, 2019
filing date -
Jun 20, 2019
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention relates to a method for preventing security breaches of a passive remote keyless entry system for authorizing access to a vehicle. The passive remote keyless entry system comprises a base station located at the vehicle and a mobile device, in particular a remote key, wherein the base station comprises a first processor unit and a first transceiver unit, the first transceiver unit comprises a timing device, the mobile device comprises a second processor unit and a second transceiver unit, an air travel time T of a single message sent back and forth from the base station to the mobile device is measured, and access to the vehicle is granted depending on the measured air travel time T.
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International Classification(s)
- H03L:AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR S....
- G08B:SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; A....
- H04Q:SELECTING
- G07C:TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDIC....
- G08C:TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL ....
- G05B:CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTION....
- H04B:TRANSMISSION
- G06F:ELECTRIC DIGITAL DATA PROCESSING
- B60R:VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT ....
- G06K:RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD ....
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