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
Stats
-
Aug 2, 2022
Grant Date -
Oct 24, 2019
app pub date -
Jun 28, 2019
filing date -
Sep 29, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
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.
First Claim
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Family
International Classification(s)
- 2019 Application Filing Year
- H04B Class
- 10231 Applications Filed
- 7872 Patents Issued To-Date
- 76.95 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- H04B Class
- 0 % this patent is cited more than
- 3 Age
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