×

Mobile phone communications system with increased functionality

  • US 7,251,501 B2
  • Filed: 03/07/2001
  • Issued: 07/31/2007
  • Est. Priority Date: 03/07/2001
  • Status: Expired due to Fees
First Claim
Patent Images

1. A mobile telephone comprising a coupling loop and an oscillator circuit adapted to emit a standard frequency of a carrier signal used in smart contactless cards, said telephone adapted to transmit signals to such a card, said telephone comprising:

  • means for receiving messages via a telephone network;

    the mobile telephone further comprising means for adjusting a resonance point of a combined inductance of the coupling loop and a card coupling loop when said telephone and said card are in communicating relationship;

    further comprising an oscillator source whose frequency is adaptable to the frequency of the carrier signal of said smart contactless card; and

    means for translating said messages into signals using the same modulation mode as that of the card carrier signal.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×