Charging case for wireless earphones

A case a portable listening device. The case includes a housing having an interior space to receive the portable listening device; a lid attached to the housing; a rechargeable battery and first and second wireless power receiving elements configured to receive electric charge from a wireless power...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Wagman, Daniel C, Graham, Christopher S, Walton, Christopher J, Jol, Eric S, Brzezinski, Makiko K
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 HAND CARRIED BAGS HAND OR TRAVELLING ARTICLES HUMAN NECESSITIES LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS LUGGAGE PUBLIC ADDRESS SYSTEMS PURSES SYSTEMS FOR STORING ELECTRIC ENERGY TRANSMISSION
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Beschreibung
Zusammenfassung:	A case a portable listening device. The case includes a housing having an interior space to receive the portable listening device; a lid attached to the housing; a rechargeable battery and first and second wireless power receiving elements configured to receive electric charge from a wireless power transmitter during a charging event. The case further includes switching circuitry that is configured to disable one of the first or second wireless power receiving elements during a charging event when the disabled element is receiving power less efficiently than the other element.