Method for the classification of an occupancy status of a vehicle seat

• US 20050015188A1
• Filed: 08/31/2002
• Published: 01/20/2005
• Est. Priority Date: 09/11/2001
• Status: Active Grant

• Current Assignee: IEE International Electronics & Engineering SA (Aerospace Hi-Tech Holding Group Company Limited)
• Original Assignee: IEE International Electronics & Engineering SA (Aerospace Hi-Tech Holding Group Company Limited)
• Inventors: Theiss, Christian, Di Mario Cola, Patrick, Schifflers, Marc
• Granted Patent: US 6,937,142 B2
• Time in Patent Office: Days
• US Class Current: 701/45
• CPC Class Codes: B60N 2/002 Seats provided with an occupancy detection means mounted therein or thereon detection means responsive to presence or absence of children B60N2/266
• CPC Class Codes: B60R 21/01512 Passenger detection systems

Abstract

A method for the classification of an occupancy status of a vehicle seat, where occupancy profiles from an occupancy sensor are recorded and evaluated and the classification of the actual occupancy status is determined. The method includes, when the system power is turned off, storing the last determined class and the last recorded profile into a non-volatile memory; when the system power is turned on, comparing the first recorded profile with the profile stored into the non-volatile memory; and if the likeness of the first recorded profile and the profile stored in the non-volatile memory exceeds a specific threshold, setting the actual class to equal the class stored into the non-volatile memory.

Claims

1-4. -4. (Cancelled)

5. A method for the classification of an occupancy status of a vehicle seat, said method comprising the recording and evaluation of occupancy profiles from an occupancy sensor and the determination of a class associated to the actual occupancy status, said method further comprising the steps of

a) on system power off, storing the last determined class and the last recorded profile into a non-volatile memory;

b) on system power on, comparing the first recorded profile with the profile stored into said memory; and

c) if a likeness of said first recorded profile and said profile stored in said memory exceeds a specific threshold, setting the actual output class to equal said class stored in said memory.