Procedure for connecting a status detection device of a passive

Details Procedure for connecting a status detection device of a passive Procedure for connecting a status detection device of a passive

1997-06-18

1999-11-09

Paladini, Albert W.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

307 91, 180268, 180271, 280734, 340438, 340667, 701 45, B60R 2132

Patent

active

059820489

ABSTRACT:
The invention concerns a procedure for selectively connecting a status detection device--from a group of such devices based on different physical action principles, in particular belt buckle status detection, and seat occupation detection, within a passive safety system for motor vehicles, in particular an airbag system, and/or a belt pretensioning system,--to the signal input of a control unit, using a single wire connection, by causing the control unit to activate an appropriate current/voltage supply in accordance with the physical action principle, and by appropriately processing the signals generated by the status detection device, which signals will then be fed to the control unit for evaluation. Furthermore, an interface circuit is specified for implementing the procedure according to the invention.

REFERENCES:
patent: 5411289 (1995-05-01), Smith et al.
patent: 5531472 (1996-07-01), Semchena et al.
patent: 5626359 (1997-05-01), Steffens, Jr. et al.

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