Method for managing the operation of an object that is able to contactlessly communicate with a reader

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United States of America Patent

PATENT NO 11403502
APP PUB NO 20190325283A1
SERIAL NO

16456795

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A device for managing operation of an object capable of contactless communication with a reader magnetically coupled to the object includes a modulator configured to modulate an impedance of a load connected across terminals of an antenna of the object during a transmission phase during which information is transmitted from the object to the reader. The device further includes a monitor configured to carry out a monitoring phase, prior to the transmission phase. The monitoring phase includes a test modulation of the impedance of the load, a monitoring of a level of amplitude modulation of a modulated test signal present at the antenna of the object and resulting from the test modulation, and a capacitive modification of the impedance of the load if this level is lower than a threshold.

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Patent Owner(s)

Patent OwnerAddress
STMICROELECTRONICS INTERNATIONAL N VWTC SCHIPHOL AIRPORT SCHIPHOL BOULEVARD 265 SCHIPHOL AIRPORT AMSTERDAM 1118 BH

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dhayni, Achraf Vallauris, FR 29 180

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