Adapter for personal electronic devices and methods of use thereof

• US 9,697,452 B2
• Filed: 03/14/2013
• Issued: 07/04/2017
• Est. Priority Date: 07/24/2012
• Status: Active Grant

• Current Assignee: On Track Innovations Limited (Nayax Ltd.)
• Original Assignee: On Track Innovations Limited (Nayax Ltd.)
• Inventors: Haroosh, Yaacov, Itay, Nehemya, Gazit, Nir
• Primary Examiner(s): JOHNSON, SONJI N
• Application Number:
  US13/827,561
• Publication Number:
  US 20140027519A1
• Time in Patent Office: 1,573 Days
• Field of Search: 235380, 235439, 235440
• CPC Class Codes: G06K 19/0727 the arrangement being a circuit facilitating integration of the record carrier with a hand-held device such as a smart phone of PDA
• CPC Class Codes: G06K 19/07741 comprising a first part operating as a regular record carrier and a second attachable part that changes the functional appearance of said record carrier, e.g. a contact-based smart card with an adapter part which, when attached to the contact card makes the contact card function as a non-contact card
• CPC Class Codes: G06K 7/10009 sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
• CPC Class Codes: G06K 7/10237 the reader and the record carrier being capable of selectively switching between reader and record carrier appearance, e.g. in near field communication [NFC] devices where the NFC device may function as an RFID reader or as an RFID tag
• CPC Class Codes: G06K 7/10297 arrangements for handling protocols designed for non-contact record carriers such as RFIDs NFCs, e.g. ISO/IEC 14443 and 18092 cryptographic protocols H04L9/00; network security protocols H04L63/00; real-time communication protocols in data switching networks H04L65/00; network protocols for data switching network services H04L67/00
• CPC Class Codes: H04M 1/72409 by interfacing with external accessories hands-free H04M1/60
• CPC Class Codes: H04M 1/72412 using two-way short-range wireless interfaces

Abstract

An adapter and methods of using the adapter for communicating a personal electronic device to a smart card reader are disclosed. The adapter comprises a processor, a contact/contactless smartcard chip, an antenna and a power supply unit. The processor is adapted to exchange data with the personal electronic device, wherein that data is modulated on the audio signals. The processor is also adapted to exchange data with the smartcard chip, wherein the smartcard chip is adapted to communicate with the contactless smart card reader via the antenna. A method for enabling a personal electronic device to communicate with a contactless smart card reader via audio signals is also disclosed. The method comprises providing an adapter. The adapter comprises a processor, a contact/contactless smartcard chip, an antenna and a power supply unit. The method also comprises exchanging data between the personal electronic device and the processor.

Claims

1. A device for enabling a personal electronic device to communicate with a contactless smart card reader, the device comprising:

an adapter comprising;

a processor;

a combination contact and contactless smartcard chip; and

an antenna,

wherein said processor is configured to communicate data modulated on an audio channel with said personal electronic device, and wherein communication with said combination contact and contactless smartcard chip switches back and forth between a contact mode of operation for communicating with said processor using contact communication and a contactless mode of operation for communicating with said contactless smart card reader via said antenna using contactless communication, avoiding concurrently communicating with said combination contact and contactless smartcard chip in both the contact and contactless modes of operation when an attempt is made for said concurrent communication.

2. The device of claim 1, wherein the adapter further comprises:

an audio jack configured to receive at least one audio signal modulated on at least one audio channel via an audio socket of said personal electronic device.

3. The device of claim 2, wherein said at least one audio signal modulated on said at least one audio channel is modulated as at least one speaker audio signal of said at least one speaker audio channel.

4. The device of claim 3, wherein the adapter further comprises a power supply unit.

5. The device of claim 4, wherein the adapter further comprises:

a battery connected to said power supply unit to provide electrical energy to said power supply unit.

6. The device of claim 4, wherein the adapter further comprises:

a rechargeable battery connected to said power supply unit to provide electrical energy to said power supply unit.

7. The device of claim 6 wherein said power supply is configured to charge the rechargeable battery by power received via one or more of said at least one audio signal.

8. The device of claim 4, wherein the adapter further comprises:

a super capacitor connected to said power supply unit to provide electrical energy to said power supply unit.

9. The device of claim 8 wherein said power supply is configured to charge the super capacitor by power received via one or more of said at least one audio channel.

10. The device of claim 4 wherein said power supply unit provides a signal to said processor indicating low power when the power available from said power supply unit is lower than a predefined level.

11. The device of claim 3, wherein the adapter further comprises:

an interface circuit to connect and adapt one or more of said at least one audio signal to said processor.

12. The device of claim 3, wherein the adapter further comprises:

a headset socket to connect said at least one audio signal to an audio device connected to said headset socket.

13. The device of claim 12, wherein the adapter further comprises:

a switch controllable by said processor to enable electrical disconnection of said at least one audio signal from said headset socket.

14. The device of claim 1, wherein said antenna is configured to provide a signal to said processor indicative that a radio frequency (RF) field of magnitude higher than a predefined level is sensed at said antenna.

15. The device of claim 1, wherein the adapter comprises an antenna control unit, controlled by said processor, configured to enable the flow of radio frequency (RF) signals between the combination contact and contactless smartcard chip and the antenna in the contactless mode of operation and to disable the flow of RF signals between the combination contact and contactless smartcard chip and the antenna in the contact mode of operation.

16. The device of claim 15, wherein the antenna control unit is an electronic switch which is open to enable the antenna to connect to the combination contact and contactless smartcard chip in the contactless mode of operation and which is closed to short the antenna connection in the contact mode of operation.

17. The device of claim 16, wherein the electronic switch is normally open so that the adapter is normally in the contactless mode of operation.

18. The device of claim 15, wherein the processor issues one or more antenna disable commands to the antenna control unit to disable the antenna connection to the combination contact and contactless smartcard chip to allow the combination contact and contactless smartcard chip to communicate in the contact mode of operation.

19. The device of claim 15, wherein the processor forces the combination contact and contactless smartcard chip to switch to the contact mode of operation regardless of a radio frequency (RF) field sensed by the antenna by controlling the antenna control unit to disable the flow of RF signals between the combination contact and contactless smartcard chip and the antenna.

20. The device of claim 1, wherein communication with the combination contact and contactless smartcard chip switches to the contactless mode of operation when the antenna senses an above threshold radio frequency (RF) field.

21. The device of claim 20, wherein communication with the combination contact and contactless smartcard chip switches to the contact mode of operation when the antenna senses a below threshold radio frequency (RF) field.

22. The device of claim 20, wherein the processor forces the combination contact and contactless smartcard chip to switch to the contact mode of operation regardless of the radio frequency (RF) field sensed by the antenna.

23. A method for enabling a personal electronic device to communicate with a contactless smart card reader, the method comprising:

communicating, between said personal electronic device and a processor in an adapter, data modulated on an audio channel; and

communicating at a combination contact and contactless smartcard chip in said adapter, wherein the combination contact and contactless smartcard chip switches back and forth between a contact communication mode of operation for said combination contact and contactless smartcard chip to communicate with said processor using contact communication and a contactless communication mode of operation for said combination contact and contactless smartcard chip to communicate with said contactless smart card reader via an antenna in said adapter using contactless communication, avoiding concurrent communication of said combination contact and contactless smartcard chip in both the contact and contactless communication modes of operation when an attempt is made for said concurrent communication.

24. The method of claim 23 further comprising receiving a signal from said antenna indicative that a radio frequency (RF) field of magnitude higher than a predefined level is sensed at said antenna.

25. The method of claim 23 further comprising controlling a switch for electrically connecting the antenna to the combination contact and contactless smartcard chip to switch to the contactless mode of operation and disconnecting the antenna to the combination contact and contactless smartcard chip to switch to the contact mode of operation.

26. The method of claim 23 further comprising:

disabling the flow of radio frequency (RF) signals between the combination contact and contactless smartcard chip and said antenna in the contact mode of operation in response to a control signal from said processor.

27. The method of claim 23 further comprising:

recharging a rechargeable battery connected to a power supply unit in said adapter by power received via said audio channel.

28. A device for enabling a personal electronic device to communicate with a contactless smart card reader, the device comprising:

an adapter comprising;

a processor;

a combination contact and contactless smartcard chip;

an antenna; and

an antenna signal enable and disable unit,

wherein said processor communicates data modulated on an audio channel with said personal electronic device,

and wherein said antenna signal enable and disable unit switches back and forth between a contact mode of operation by disabling an antenna signal for said combination contact and contactless smartcard chip to communicate with said processor using contact communication and a contactless mode of operation by enabling an antenna signal for said contactless smart card reader to communicate with said contactless smart card reader via said antenna, avoiding concurrent communication of said combination contact and contactless smartcard chip in both the contact and contactless communication modes of operation when an attempt is made for said concurrent communication.