CIRCUIT ARRANGEMENT FOR RECOGNISING THE OCCUPANCY OF A SEAT AND SEATBELT WARNING IN A MOTOR VEHICLE

The invention relates to a circuit arrangement for recognising the occupancy of a seat and seatbelt warning in a motor vehicle (1). Resistance elements (R1, R2, R3, R_SBR-_1, R_ SBR_2) are arranged in a separated and flat manner on a motor vehicle seat (2), in particular on a sensor seating mat (PPD...

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Bibliographische Detailangaben
Hauptverfasser:	KREMPL MICHAEL, MELZL HUBERT, KARGES PETER, WILD GERHARD
Format:	Patent
Sprache:	eng
Schlagworte:	MEASURING PERFORMING OPERATIONS PHYSICS SEATS SPECIALLY ADAPTED FOR VEHICLES TESTING TRANSPORTING VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDEDFOR VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR WEIGHING
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Beschreibung
Zusammenfassung:	The invention relates to a circuit arrangement for recognising the occupancy of a seat and seatbelt warning in a motor vehicle (1). Resistance elements (R1, R2, R3, R_SBR-_1, R_ SBR_2) are arranged in a separated and flat manner on a motor vehicle seat (2), in particular on a sensor seating mat (PPD), which alters the resistance values when a force is exerted thereon, for example, perpendicular to the surface of the vehicle seat, or by bending. The weight-sensitive resistance elements (R1, R2, R3, R_SBR_1, R _SBR_2) comprise first resistance elements (Rl, R2, R3) and additional resistance elements (R_SBR_1, R_ SBR_2), and the resistance values thereof can be measured in respectively different measuring circuits without the measuring results for the first resistance elements (R1, R2, R3) influencing the measuring results for the additional resistance elements (R_SBR 1, R_ SBR_ 2).