Patent · US Active

Method for seat occupancy detection

US12411209B2 · kind B2 · utility

0Cited by

1References

11Claims

0Family size

Assignee

IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A. · LU

Inventors

Janine Cordie · Echternacherbrück, DE
Andreas DIEWALD · Waldweiler, DE
Oscar Gomez · Houston, US
Alan Koehler · Igel, DE
Jochen Landwehr · Trier, DE
Parth Raj Singh · Luxembourg, LU

Key dates

Filing date	Dec 15, 2020
Grant date	Sep 9, 2025
Priority date	—
Expiry date	Dec 5, 2041

Classification

Technology area (CPC G)Physics
CPC primaryG01S13/931
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A method for occupancy detection for at least one vehicle seat, using at least one transmit antenna and a plurality of receive antennas, includes: emitting a detection signal with each transmit antenna onto at least one vehicle seat, which detection signal is a frequency-modulated continuous-wave radar signal, and receiving with each receive antenna a reflected signal; recording sample data representing the reflected signal, the sample data having M channels, with M=N1·N2, where N1 is the number of transmit antennas and N2 is the number of receive antennas; for each channel, removing a component from the sample data that corresponds to a reflection from a static object; and applying a frequency estimation method to the sample data to at least implicitly determine at least one angle of arrival θi corresponding to a position of an occupant on a vehicle seat.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.