Device and method for detecting intention to lock or unlock a motor vehicle opening element
US11414902B2 · kind B2 · utility
0Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 20, 2019 |
| Grant date | Aug 16, 2022 |
| Priority date | — |
| Expiry date | Aug 20, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K2217/952
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for detecting a user's intention to lock or unlock a motor vehicle opening element, this device being integrated into a handle, including: an inductive sensor that includes an LC resonant circuit consisting at least of a coil and a main capacitor; a handle target; a microcontroller equipped with a unit for measuring the resonant frequency of the LC resonant circuit; an adjustment device for adjusting the value of the total capacitance of the LC resonant circuit, this adjustment device providing at least two different total capacitance values for the LC resonant circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.