Method and apparatus to enhance the security of contact-less cards
View Patent ↗A structure for a contact-less card, the contact-less card may include a touch sensor electrically coupled to a fixed power source or electrically coupled to an antenna. The contact-less card may include a contact-less communication controller electrically coupled to the touch sensor. The contact-less communication controller includes an integrated circuit containing card information. The integrated circuit transmits the card information based on a signal from the touch sensor. The contact-less card may include an antenna electrically coupled to the contact-less communication controller. The antenna transmits card information received from the contact-less communication controller.
1. A contact-less card, the contact-less card comprising:
a touch sensor electrically coupled to a fixed power source;
a contact-less communication controller electrically coupled to the touch sensor, wherein the contact-less communication controller comprises an integrated circuit containing card information, and wherein the integrated circuit transmits the card information based on a signal from the touch sensor and based on a change occurring in an electric state of current passing between the touch sensor and a touch relay; and
an antenna electrically coupled to the contact-less communication controller, wherein the antenna transmits card information received from the contact-less communication controller.
2. The contact-less card of claim 1 , wherein the contact-less communication controller is configured for NFC transmission or RFID transmission.
3. The contact-less card of claim 1 , wherein an induced voltage within the antenna powers the integrated circuit.
4. The contact-less card of claim 1 , wherein the integrated circuit comprises a microprocessor device configured to exchange data electromagnetically.
5. The contact-less card of claim 1 , wherein the antenna comprises a thin-wire coil configured to receive a radio frequency transmission, and wherein a radio frequency magnetic field associated with the received radio frequency transmission induces a voltage within the antenna.
6. The contact-less card of claim 1 , wherein the touch sensor comprises a capacitive touch sensor.
7. The contact-less card of claim 6 , wherein the touch sensor changes an electric state of current passing between the touch sensor and the integrated circuit based on physical contact with the touch sensor.
8. The contact-less card of claim 6 , wherein the touch sensor transmits the signal to the integrated circuit based on physical contact with the touch sensor.
9. The contact-less card of claim 1 , wherein the fixed power source comprises a thin film lithium ion or lithium-polymer battery.
10. The contact-less card of claim 9 , wherein the fixed power source powers the touch sensor.
11. A contact-less card, the contact-less card comprising:
a touch sensor;
a contact-less communication controller electrically coupled to the touch sensor, wherein the contact-less communication controller comprises an integrated circuit containing card information, and wherein the integrated circuit transmits the card information based on a signal from the touch sensor and based on a change occurring in an electric state of current passing between the touch sensor and a touch relay; and
an antenna electrically coupled to the contact-less communication controller, wherein the antenna transmits card information received from the contact-less communication controller, and wherein the antenna is electrically coupled to the touch sensor.
12. The contact-less card of claim 11 , wherein the contact-less communication controller is configured for NFC transmission or RFID transmission.
13. The contact-less card of claim 11 , wherein an induced voltage within the antenna powers the integrated circuit.
14. The contact-less card of claim 11 , wherein an induced voltage within the antenna powers the touch sensor.
15. The contact-less card of claim 11 , wherein the integrated circuit comprises a microprocessor device configured to exchange data electromagnetically.
16. The contact-less card of claim 11 , wherein the antenna comprises a thin-wire coil configured to receive a radio frequency transmission, and wherein a radio frequency magnetic field associated with the received radio frequency transmission induces a voltage within the antenna.
17. The contact-less card of claim 11 , wherein the touch sensor comprises a capacitive touch sensor.
18. The contact-less card of claim 17 , wherein the touch sensor changes an electric state of current passing between the touch sensor and the integrated circuit based on physical contact with the touch sensor.
19. The contact-less card of claim 17 , wherein the touch sensor transmits the signal to the integrated circuit based on physical contact with the touch sensor.