Sensor and device for presence detection
US11933084B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 18, 2020 |
| Grant date | Mar 19, 2024 |
| Priority date | — |
| Expiry date | Feb 22, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K2217/960735
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A presence detection sensor for unlocking an opening panel of a motor vehicle, said sensor comprising a microcontroller implementing an analog-digital converter and comprising a first input, a second input forming the voltage reference of said analog-digital converter, a third input for supplying the microcontroller with voltage, and a plurality of inputs-outputs, and a capacitive voltage divider connected to at least one of the inputs-outputs of the plurality of inputs-outputs. The sensor comprises a resistive module connected between the first input and the second input of the microcontroller and a capacitive module connected between the second input of the microcontroller and a ground.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.