Close-contact-confirm-then-communicate data exchange methods and apparatus
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United States of America Patent
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Feb 15, 2011
Grant Date -
Oct 8, 2009
app pub date -
Nov 7, 2008
filing date -
Nov 8, 2007
priority date (Note) -
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Abstract
Portable wireless devices and methods for conducting at least part of an electronic transaction with a target electronic device are disclosed. The portable wireless device includes a detector configured to ascertain whether the portable wireless device is in close proximity with the target electronic device and a data transmission circuit configured for transmitting data between the if the close proximity is detected, the transmitting is performed by one of wireless data transmission method and direct contact data transmission method.
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