COORDINATING CONTACTLESS COMMUNICATION AND CHARGING FUNCTIONS

An electronic device includes a contactless integrated circuit card function unit, a contactless charging function unit, and a switching unit. The contactless integrated circuit card function unit includes a clamp circuit and realizes a contactless integrated circuit card function. The clamp circuit...

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1. Verfasser: SHIMIZU KANJIRO
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An electronic device includes a contactless integrated circuit card function unit, a contactless charging function unit, and a switching unit. The contactless integrated circuit card function unit includes a clamp circuit and realizes a contactless integrated circuit card function. The clamp circuit suppresses excessive voltage of a signal received at an antenna whose operating frequency is a predetermined frequency. The contactless charging function unit commonly uses the antenna and realizes a contactless charging function. The switching unit invalidates or reduces the function of the clamp circuit when the contactless charging function unit is used.