BATTERY CHARGING SYSTEMS AND METHODS

A loudspeaker battery charging device comprises a three-position selector that establishes one of a first, second, or third charging mode for charging a battery of a loudspeaker. The first charging mode pertains to an off state of the loudspeaker. The second charging mode pertains to an on state of...

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Bibliographische Detailangaben
Hauptverfasser:	Jackson, Craig, MacDonald, Thomas E, Zastoupil, Greg J, Banton, Randy G
Format:	Patent
Sprache:	eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY GENERATION LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	A loudspeaker battery charging device comprises a three-position selector that establishes one of a first, second, or third charging mode for charging a battery of a loudspeaker. The first charging mode pertains to an off state of the loudspeaker. The second charging mode pertains to an on state of the loudspeaker. The third charging mode pertains to a fast charge state of the loudspeaker. A controller receives a signal from the three-position power switch indicating a selected charging mode of the first, second, or third charging mode. A switch circuit outputs a first power-supplying level in response to the first or second charging mode and outputs a second power-supplying level higher than the first power-supplying level in response to the third charging mode.