Occupant position detection with active electric field sensor
US11254238B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 16, 2019 |
| Grant date | Feb 22, 2022 |
| Priority date | — |
| Expiry date | Jul 23, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R21/01532
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A vehicle seating assembly comprises a seat including a back having an array of at least two electrodes arranged in the back such that a master electrode has an electric field being greater than an electric field of each of the other electrodes within the array to detect a total change in capacitance from the array. A controller is responsive to a change in capacitance calculated from the master electrode being greater than a first threshold and each of the other electrodes in the array being greater than a second threshold and outputs occupant movement data indicative of a first status of the seat to a vehicle control sub-system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.