Relay attack prevention
US12162431B2 · kind B2 · utility
0Cited by
1References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 2023 |
| Grant date | Dec 10, 2024 |
| Priority date | — |
| Expiry date | Aug 29, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C2209/63
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Passive entry systems, such as passive entry-passive start vehicle systems, using short-range wireless communication signals to determine a distance between nomadic devices and unlockable devices based on a round trip time of flight (TOF) measurement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.