Anti-interrogation for portable device
First Claim
Patent Images
1. A portable consumer device comprising:
- a memory for storing information;
a near field transmitting antenna coupled to the memory;
a contact region coupled to the near field transmitting antenna, wherein the portable consumer device is capable of transmitting the stored information to an interrogation device using the near field transmitting antenna when a finger is on the contact region, but is not capable of transmitting the stored information to the interrogation device using the near field transmitting antenna when the finger is not on the contact region, wherein the contact region comprises an open portion of a circuit and two spaced apart contact points that are exposed on an outer surface of the portable consumer device, the exposed contact points capable of being bridged by the finger; and
a trigger antenna coupled to the two spaced apart contact points of the contact region and capable of enabling activation of the transmitting antenna.
2 Assignments
0 Petitions
Accused Products
Abstract
A portable consumer device is disclosed. One or more contact regions in the portable consumer device may be provided on the contactless portable consumer device. The user may be required to place a finger on the one or more contact regions while holding the portable consumer device proximate to the interrogation device to enable it to be interrogated. The user'"'"'s fingers may be used to electrically bridge an open portion of a circuit so as to enable operation of the portable consumer device.
140 Citations
31 Claims
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1. A portable consumer device comprising:
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a memory for storing information; a near field transmitting antenna coupled to the memory; a contact region coupled to the near field transmitting antenna, wherein the portable consumer device is capable of transmitting the stored information to an interrogation device using the near field transmitting antenna when a finger is on the contact region, but is not capable of transmitting the stored information to the interrogation device using the near field transmitting antenna when the finger is not on the contact region, wherein the contact region comprises an open portion of a circuit and two spaced apart contact points that are exposed on an outer surface of the portable consumer device, the exposed contact points capable of being bridged by the finger; and a trigger antenna coupled to the two spaced apart contact points of the contact region and capable of enabling activation of the transmitting antenna. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A portable consumer device, wherein the portable consumer device is a payment card comprising:
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a memory for storing information; a near field transmitting antenna couple to the memory, wherein the near field transmitting antenna comprises a triggering electronic component that is capable of being triggered to enable activation of the transmitting antenna; a contact region coupled to the near field transmitting antenna, wherein the portable consumer device is capable of transmitting the stored information to an interrogation device using the near field transmitting antenna when a finger is on the contact region, but is not capable of transmitting the stored information to the interrogation device using the near field transmitting antenna when the finger is not on the contact region, wherein the contact region comprises an open portion of a circuit; a trigger antenna, wherein at least part of the trigger antenna is coupled to the triggering electronic component, and wherein at least part of the contact region forms at least part of the trigger antenna, the contact region comprising two spaced apart contacts points that are exposed on an outer surface of the portable consumer device, wherein the two exposed contact points are located on the same side of the portable consumer device, wherein the trigger antenna is coupled to the two spaced apart contact points of the contact region, and wherein current in the trigger antenna is induced when the finger is on the contact region and the portable consumer device is proximate to the interrogation device.
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17. A method of using a portable consumer device, the method comprising:
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obtaining the portable consumer device, the portable consumer device comprising a memory for storing information, a near field transmitting antenna coupled to the memory, a trigger antenna, and a contact region coupled to the near field transmitting antenna, wherein the portable consumer device is capable of transmitting the stored information to an interrogation device using the near field transmitting antenna when a finger is on the contact region, but is not capable of transmitting the stored information to the interrogation device using the near field transmitting antenna when the finger is not on the contact region, wherein the contact region comprises an open portion of a circuit and two spaced apart contact points that are exposed on an outer surface of the portable consumer device, the exposed contact points capable of being bridged by the finger, and wherein the trigger antenna is coupled to the two spaced apart contact points of the contact region and capable of enabling activation of the transmitting antenna; placing the finger on the contact region; and placing the portable consumer device near the interrogation device. - View Dependent Claims (18)
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19. A method for forming a portable consumer device comprising:
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attaching a memory for storing information to a substrate;
forming a near field transmitting antenna on the substrate, wherein the near field transmitting antenna is coupled to the memory in the portable consumer device;forming a contact region on the substrate, wherein the contact region is coupled to the near field transmitting antenna in the portable consumer device, wherein the contact region comprises an open portion of a circuit and two spaced apart contact points that are exposed on an outer surface of the portable consumer device, the exposed contact points capable of being bridged by a finger; and forming a trigger antenna on the substrate, wherein the trigger antenna is coupled to the two spaced apart contact points of the contact region and capable of enabling activation of the transmitting antenna, wherein the portable consumer device is capable of transmitting the stored information to an interrogation device using the near field transmitting antenna when the finger is on the contact region, but is not capable of transmitting the stored information to the interrogation device using the near field transmitting antenna when the finger is not on the contact region. - View Dependent Claims (20)
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21. A portable consumer device comprising:
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a memory for storing financial information; a transmitting antenna coupled to the memory; a contact region coupled to the transmitting antenna, wherein the portable consumer device is capable of transmitting the stored financial information to an interrogation device using the transmitting antenna when a finger is on the contact region, but is not capable of transmitting the stored information to the interrogation device using the transmitting antenna when the finger is not on the contact region, wherein the contact region comprises an open portion of a circuit and two spaced apart contact points that are exposed on an outer surface of the portable consumer device, the exposed contact points capable of being bridged by a finger; and a trigger antenna coupled to the two spaced apart contact points of the contact region and capable of enabling activation of the transmitting antenna. - View Dependent Claims (22, 23, 24)
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25. A method of using a portable consumer device, the method comprising:
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obtaining the portable consumer device, the portable consumer device comprising a memory for storing financial information, a transmitting antenna coupled to the memory, a trigger antenna, and a contact region coupled to the transmitting antenna, wherein the portable consumer device is capable of transmitting the stored financial information to an interrogation device using the transmitting antenna when a finger is on the contact region, but is not capable of transmitting the stored information to the interrogation device using the transmitting antenna when the finger is not on the contact region, wherein the contact region comprises an open portion of a circuit and two spaced apart contact points that are exposed on an outer surface of the portable consumer device, the exposed contact points capable of being bridged by a finger, and wherein the trigger antenna is coupled to the two spaced apart contact points of the contact region and capable of enabling activation of the transmitting antenna; placing the finger on the contact region; and placing the portable consumer device near the interrogation device. - View Dependent Claims (26)
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27. A method for forming a portable consumer device comprising:
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attaching a memory for storing financial information to a substrate; forming a transmitting antenna on the substrate, wherein the near field transmitting antenna is coupled to the memory in the portable consumer device; forming a contact region on the substrate, wherein the contact region is coupled to the transmitting antenna in the portable consumer device, wherein the contact region comprises an open portion of a circuit and two spaced apart contact points that are exposed on an outer surface of the portable consumer device, the exposed contact points capable of being bridged by a finger; and forming a trigger antenna on the substrate, wherein the trigger antenna is coupled to the two spaced apart contact points of the contact region and capable of enabling activation of the transmitting antenna, wherein the portable consumer device is capable of transmitting the stored information to an interrogation device using the transmitting antenna when the+ finger is on the contact region, but is not capable of transmitting the stored information to the interrogation device using the transmitting antenna when the finger is not on the contact region.
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28. A method of providing secure wireless communication with an interrogation device, comprising:
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providing an electronic device that comprises a memory for storing information, a transmitting antenna, a trigger antenna, and a contact region coupled to the transmitting antenna, wherein the contact region comprises an open portion of a circuit and two spaced apart contact points that are exposed on an outer surface of the electronic device, the exposed contact points capable of being bridged by a finger, and wherein the trigger antenna is coupled to the two spaced apart contact points of the contact region and capable of enabling activation of the transmitting antenna; allowing a user to place the electronic device proximate to the interrogation device; and configuring the electronic device to activate the transmitting antenna only when the user places the finger on the contact region while the electronic device is proximate to the interrogation device. - View Dependent Claims (29, 30, 31)
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Specification