Voltage indicator for indicating that voltage of battery passes given value

A comparator (10) compares the voltage of a battery (2) with a switchable reference voltage (Uref1A, Uref1B, 18) and supplies a signal (IS) if the voltage of the battery passes the reference voltage. The switching point of the reference voltage is defined by means of a first resistor (32). By means...

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Bibliographische Detailangaben
1. Verfasser:	J.R. DE BOER
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY TESTING
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Beschreibung
Zusammenfassung:	A comparator (10) compares the voltage of a battery (2) with a switchable reference voltage (Uref1A, Uref1B, 18) and supplies a signal (IS) if the voltage of the battery passes the reference voltage. The switching point of the reference voltage is defined by means of a first resistor (32). By means of the first resistor the number of cells of the battery is set to one or two. A second resistor (6) in series with the battery enables an additional voltage to be obtained in order to correct the reference voltage for the type of battery cell used.