Proximity payment card with security interlock
First Claim
Patent Images
1. An identification token comprising:
- a body;
a radio frequency identification (RFID) integrated circuit (IC) supported by the body; and
a light sensor coupled to the RFID IC;
wherein the RFID IC is operative to transmit an identification code in response to an interrogation signal only if the light sensor is detecting ambient light.
1 Assignment
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Accused Products
Abstract
An identification token includes a body and a radio frequency identification (RFID) integrated circuit (IC) supported by the body. A light sensor is coupled to the RFID IC. The RFID IC is operative to transmit an identification code in response to an interrogation signal only if the light sensor is detecting ambient light.
52 Citations
21 Claims
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1. An identification token comprising:
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a body; a radio frequency identification (RFID) integrated circuit (IC) supported by the body; and a light sensor coupled to the RFID IC; wherein the RFID IC is operative to transmit an identification code in response to an interrogation signal only if the light sensor is detecting ambient light. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method comprising:
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receiving an interrogation signal at a radio frequency identification (RFID) integrated circuit (IC); determining whether a light sensor coupled to the RFID IC is detecting ambient light; and transmitting an identification code from the RFID IC if it is determined that the light sensor is detecting ambient light. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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19. A point of sale (POS) terminal comprising:
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a processor; input means, coupled to the processor, for receiving transaction information; a proximity coupling device, coupled to the processor, for receiving payment card account information from a proximity payment device; a housing that contains at least one of the proximity coupling device and the processor; a power supply contained in the housing; and a light source positioned to illuminate a space adjacent the proximity coupling device, the light source coupled to the power supply to receive power from the power supply. - View Dependent Claims (20, 21)
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Specification