Wearable device with time-varying magnetic field
View Patent ↗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.
1. A wearable device comprising:
circuitry to produce a time-varying magnetic field that mimics a swipe of a magnetic card;
a memory to hold transaction data; and
a processor coupled to the circuitry to cause the circuitry to produce a time-varying magnetic field that represents the transaction data.
2. The wearable device of claim 1 wherein the wearable device comprises a watch.
3. The wearable device of claim 1 wherein the time-varying magnetic field mimics a swipe of a magnetic credit card.
4. The wearable device of claim 1 wherein the transaction data comprises financial data.
5. The wearable device of claim 4 wherein the financial data comprises credit card data.
6. The wearable device of claim 1 further comprising smartcard circuitry coupled to the memory and the processor.
7. The wearable device of claim 1 wherein the transaction data comprises access data.
8. The wearable device of claim 1 wherein the time-varying magnetic field mimics a swipe of a magnetic access card.
9. The wearable device of claim 1 wherein the time-varying magnetic field is used to perform point-of-sale transactions.
10. A wearable device comprising:
circuitry to produce a time-varying magnetic field that mimics a swipe of a magnetic card;
smartcard circuitry for performing transactions; and
a processor coupled to the smartcard circuitry and the circuitry to produce a time-varying magnetic field.
11. The wearable device of claim 10 wherein the wearable device comprises a watch.
12. The wearable device of claim 10 wherein the smartcard circuitry is configured to perform point-of-sale transactions.
13. The wearable device of claim 10 wherein the transactions are financial transactions.
14. The wearable device of claim 10 wherein the time-varying magnetic field mimics a swipe of a magnetic credit card.
15. An apparatus comprising:
a wearable housing; and
circuitry for producing a time-varying magnetic field compatible with a magnetic card reader.
16. The apparatus of claim 15 wherein the wearable housing comprises a watch.
17. The apparatus of claim 15 wherein the time-varying magnetic field is compatible with a point-of-sale device.
18. The apparatus of claim 15 further comprising a circuit to communicate over a network.
19. The apparatus of claim 18 wherein the apparatus is configured to report transactions over the network.
20. The apparatus of claim 15 further comprising smartcard circuitry.