Trouble detection apparatus for automobile air-bag system

Trouble detection apparatus for automobile air-bag system

Acceleration speed sensor (3) and trigger means (4) for separating air-bag includes a Wheatstone bridge with reference resistors, (7A, 8A), whereby when trouble occurs, the balance of Wheatstone bridge is lost and current flows to current transformer (12), wherein D.C. noise component is isolated by...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ITOH, HISATSUGU, KAWABATA, MUNEHIRO
Format: Patent
Sprache:eng
Schlagworte:
PERFORMING OPERATIONS
TRANSPORTING
VEHICLES IN GENERAL
VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:Acceleration speed sensor (3) and trigger means (4) for separating air-bag includes a Wheatstone bridge with reference resistors, (7A, 8A), whereby when trouble occurs, the balance of Wheatstone bridge is lost and current flows to current transformer (12), wherein D.C. noise component is isolated by the current transformer (12) and A.C. noise component is attenuated by phase detection by using reference pulse signals (V0).