BATTERY POWERED EQUIPMENT

Portable battery powered equipment capable of being charged from an automobile accessory terminal, such as a cigarette lighter jack, is provided with a main relay to open and close the self-contained charging circuit which is designed to be switched ON at a preset voltage. A circuit includes a switc...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MIYAUCHI K,JA, NAKAO S,JA, UEMICHI S,JA
Format:	Patent
Sprache:	eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	Portable battery powered equipment capable of being charged from an automobile accessory terminal, such as a cigarette lighter jack, is provided with a main relay to open and close the self-contained charging circuit which is designed to be switched ON at a preset voltage. A circuit includes a switching member and a resistor connected in series to one another and connected in parallel with the coil of a main relay. Variable resistors are connected in parallel with or disconnected with the resistor depending on the ON-OFF operation of the main relay. The charging operates such that an electric current flowing to the coil of the main relay is controlled to effect the OFF operation of the main relay when the battery cannot be substantially charged from an alternator or other external AC source.