Electronic transaction card
First Claim
Patent Images
1. An apparatus comprising:
- a stripe to communicate with a magnetic card reader; and
a memory card interface to communicate with an intelligent electronic device, the memory card interface being compatible with an add-on slot in an intelligent electronic device;
wherein the apparatus has dimensions smaller than a credit card, and wherein the stripe includes circuitry to produce at least one time-varying magnetic field.
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Accused Products
Abstract
An electronic transaction card communicates with an add-on slot of an intelligent electronic device. The add-on slot may be a memory card slot. The intelligent electronic device may be a mobile phone or other device with or without network connectivity. The electronic transaction card may have magnetic field producing circuitry compatible with magnetic card readers, smartcard circuitry, other point-of-sale interfaces, or any combination thereof.
339 Citations
17 Claims
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1. An apparatus comprising:
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a stripe to communicate with a magnetic card reader; and a memory card interface to communicate with an intelligent electronic device, the memory card interface being compatible with an add-on slot in an intelligent electronic device; wherein the apparatus has dimensions smaller than a credit card, and wherein the stripe includes circuitry to produce at least one time-varying magnetic field. - View Dependent Claims (2, 3, 4)
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5. An apparatus comprising:
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a stripe to communicate with a magnetic card reader; a memory card interface to communicate with an intelligent electronic device, the memory card interface being compatible with an add-on slot in an intelligent electronic device; a processing element coupled to the interface and to the stripe; and a memory element to hold programming information for the stripe; wherein the apparatus has dimensions smaller than a credit card.
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6. An apparatus comprising:
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means for communicating through a memory card slot in an intelligent electronic device; circuitry for producing at least one time-varying magnetic field to represent financial transaction data; and means for storing the financial transaction data. - View Dependent Claims (7, 8, 9)
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10. An apparatus comprising:
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means for communicating through a memory card slot in an intelligent electronic device; means for producing at least one time-varying magnetic field to represent financial transaction data; means for storing the financial transaction data; and software to be installed on the intelligent electronic device, wherein the software includes a module for single transaction account number generation. - View Dependent Claims (11)
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12. A memory card comprising:
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a memory card slot interface; and circuitry including at least one conductor for carrying current for producing a time-varying magnetic field compatible with a magnetic card reader. - View Dependent Claims (13, 14, 15, 16, 17)
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Specification