Systems and methods for contactless communication mechanisms for cards and mobile devices
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United States of America Patent
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Jul 19, 2022
Grant Date -
Nov 15, 2012
app pub date -
May 10, 2012
filing date -
May 10, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A card may be formed using two or more printed circuit boards. Each printed circuit board may include one or more RFID antennas, RFID chips and a processor. A processor on a board may transfer data to one or more RFID chips on the same board. Alternately, a processor on a board may transfer data to one or more RFID chips on a different board via conductive terminals between boards. Data stored in one or more RFID chips may be erased after being communicated to an RFID device via an RFID antenna or after a configurable timeout period elapses. A card and a mobile device may include more than one RFID antenna to increase efficiency, reliability, and/or a number of data channels that may be communicated.
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