Electronic key system
US12370978B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 24, 2023 |
| Grant date | Jul 29, 2025 |
| Priority date | — |
| Expiry date | Sep 5, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C2209/08
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An electronic key system installed in a vehicle includes: a first wireless communication controller performing transmission of a predetermined radio signal, as a verification signal, via a first wireless communication to confirm presence or absence of each of a first portable device and a second portable device each of which is usable as an electronic key of the vehicle; a second wireless communication controller periodically performing transmission/reception of the radio signal via second wireless communication to and from each of the first portable device and the second portable device upon transmitting/receiving the verification signal; and an integrity controller integrally controlling an operation of each of the first wireless communication controller and the second wireless communication controller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.