Power harvesting and use in a near field communications (NFC) device
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United States of America Patent
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Jun 16, 2015
Grant Date -
Jun 19, 2014
app pub date -
Nov 13, 2013
filing date -
Jun 29, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
Apparatus for harvesting and using power in a near field communications mode, includes a host device with operating components. A first near field communication (NFC) device is contained in the host device and is configured to be selectively coupled to one of the operating components. The first NFC device harvests energy from a second NFC device and converts the harvested energy to electrical power. The first NFC device receives information from the second NFC device and power on the operating component as a function of the information received from the second NFC device. The first NFC device transfers data to or from the operating component when the operating component is powered on. The first NFC device powers off the operating component when the transfer of data between the first NFC device and the operating component has been completed.
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