MULTIPLE ANTENNA READING SYSTEM SUITABLE FOR USE WITH CONTACTLESS TRANSACTION DEVICES
First Claim
Patent Images
1. A multiple antenna reading system suitable for use with contactless transaction devices, said system comprising:
- at least one reader;
at least first and second antennas having at least some inductive coupling therebetween and being coupled to said at least one reader; and
antenna function disabling circuitry automatically operative upon activation of at least a first one of said at least first and second antennas to disable antenna function of at least a second one of said at least first and second antennas.
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Abstract
A multiple antenna reading system suitable for use with contactless transaction devices, the system including at least one reader, at least first and second antennas having at least some inductive coupling therebetween and being coupled to the at least one reader and antenna function disabling circuitry automatically operative upon activation of at least a first one of the at least first and second antennas to disable antenna function of at least a second one of the at least first and second antennas.
64 Citations
25 Claims
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1. A multiple antenna reading system suitable for use with contactless transaction devices, said system comprising:
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at least one reader; at least first and second antennas having at least some inductive coupling therebetween and being coupled to said at least one reader; and antenna function disabling circuitry automatically operative upon activation of at least a first one of said at least first and second antennas to disable antenna function of at least a second one of said at least first and second antennas. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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Specification