Sensor fusion for passive keyless entry systems
US10766458B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2018 |
| Grant date | Sep 8, 2020 |
| Priority date | — |
| Expiry date | Mar 4, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C2209/63
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An electronic key a vehicle is disclosed. The electronic key includes an inertial sensor, a microcontroller coupled to the inertial sensor and a transmitter/receiver coupled to the microcontroller. The microcontroller is configured to perform an operation, the operation includes detecting a motion, turning a radio of the transmitter/receiver on, determining that a distance to the vehicle is less than a preselected distance, determining an activity using a sensor fusion process, determining that the distance to the vehicle is decreasing and performing a preselected operation on the vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.