All-in-one method for wireless connectivity and contactless battery charging of small wearables
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United States of America Patent
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Jul 16, 2019
Grant Date -
Jun 6, 2019
app pub date -
Dec 1, 2017
filing date -
Dec 1, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
One illustrative wearable device embodiment includes: a battery; an antenna coil; a wireless charging module coupled to the antenna coil to harvest wireless power for charging the battery; an NFC (near field communications) module coupled to the antenna coil to receive a query signal and provide a tag response signal; and an NFMI (near field magnetic induction) module coupled to the antenna coil to send and receive audio streams. An illustrative wireless communications method embodiment includes: coupling an antenna coil to a wireless charging module to charge a battery; coupling the antenna coil to an NFC (near field communications) module; and coupling the antenna coil to an NFMI (near field magnetic induction) module to send or receive an audio stream. When coupled, the NFC module receives a query signal, provides a tag response signal, and receives a command signal to set at least one parameter value affecting rendering of the audio stream.
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