CHARGING CIRCUIT

CHARGING CIRCUIT

PURPOSE:To permit the confirmation of connection of a battery by a method wherein the title circuit is provided with a detecting means, detecting that the secondary voltage of a transformer is lower than a predetermined voltage, and an indicating means, in the charging circuit charging through the t...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: SAKAMURA YOSHINOBU
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER
COLOUR PRINTING
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
LINING MACHINES
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PRINTING
PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES
STAMPS
SYSTEMS FOR STORING ELECTRIC ENERGY
TRANSPORTING
TYPEWRITERS
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Beschreibung
Zusammenfassung:PURPOSE:To permit the confirmation of connection of a battery by a method wherein the title circuit is provided with a detecting means, detecting that the secondary voltage of a transformer is lower than a predetermined voltage, and an indicating means, in the charging circuit charging through the transformer. CONSTITUTION:When a storage battery B is not connected to a charging circuit, a transistor Q1 is put ON whereby the transistor Q2 is put OFF and a light emission diode D4 is being extinguished. When the storage battery D is connected to the charging circuit, the transistor Q1 is not put ON whereby the transistor Q2 is put ON and the light emission diode D4 is lighted. When a plug 3 is pulled out of a commercial AC power source while connecting the storage battery D as it is, current is not conducted from the battery DB to a detecting and indicating circuit 1 whereby the transistor Q2 is not put ON and the light emitting diode D4 is not lighted. According to this method, it may be confirmed whether the storage battery B is connected to the charging circuit or not.