JPH05306949

PURPOSE:To obtain a cross coil-type indicating instrument which can prevent the needle of the criss-cross coil-type indicating instrument indicating the amount of fuel remained in a vehicle-mounted fuel tank from swinging rapidly at the initial stage of fluctuation of a liquid level. CONSTITUTION:Co...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KATAOKA MASAMI, MIYAKE TSUKASA
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL METERING BY VOLUME PHYSICS TARIFF METERING APPARATUS TESTING
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain a cross coil-type indicating instrument which can prevent the needle of the criss-cross coil-type indicating instrument indicating the amount of fuel remained in a vehicle-mounted fuel tank from swinging rapidly at the initial stage of fluctuation of a liquid level. CONSTITUTION:Comparison circuits 12 and 13 compare an output voltage Vs of a liquid surface level sensor 16 with a terminal voltage Vc of a capacitor 3 and a constant current charge/discharge circuit 5 charges and discharges the capacitor 3 with a constant current according to the output of the comparison circuits 12 and 13. A drive current based on the terminal voltage Vc is supplied to a cross coil 4 of a cross coil-type indicating instrument.