Wireless Card Reader and Method for Storing Data

• US 20150029004A1
• Filed: 10/14/2014
• Published: 01/29/2015
• Est. Priority Date: 03/26/2013
• Status: Active Grant

• Current Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Inventors: Lu, Haizhao, Rong, Qingan
• Granted Patent: US 9,792,467 B2
• Time in Patent Office: Days
• US Class Current: 340/10.51
• CPC Class Codes: G06K 19/0723 the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
• 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 7/0008 General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
• CPC Class Codes: G06K 7/0013 by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers connectors in general H01R13/00; connectors for SIM cards used in mobile phones or the like H04B1/3816
• CPC Class Codes: G06K 7/10009 sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves

Abstract

A wireless card including a wireless power receiving module configured to receive wireless power supply from a first wireless user equipment in a first time period, to obtain first power; a wireless communications module, electrically connected to the wireless power receiving module, and configured to use the first power in the first time period and use ultra-wideband impulse radio to perform wireless communication with the first wireless user equipment; a contact-type power supply module, electrically connected to the wireless power receiving module, and configured to use the first power in the first time period to supply power to an inserted memory card; a first contact-type communications module, electrically connected to the wireless power receiving module, in communication connection with the wireless communications module, and configured to use the first power in the first time period to perform contact-type communication with the memory card.

Claims

1. A wireless card reader comprising:

a wireless power receiving module configured to receive wireless power supply from a first wireless user equipment in a first time period to obtain first power;

a wireless communications module electrically connected to the wireless power receiving module and configured to use the first power in the first time period and use ultra-wideband impulse radio to perform wireless communication with the first wireless user equipment, so as to transmit a first read/write instruction from the first wireless user equipment and first data that needs to be read or written according to the first read/write instruction;

a contact-type power supply module electrically connected to the wireless power receiving module and configured to use the first power in the first time period to supply power to an inserted memory card; and

a first contact-type communications module electrically connected to the wireless power receiving module, in communication connection with the wireless communications module, and configured to use the first power in the first time period to perform contact-type communication with the memory card, so as to transmit the first read/write instruction and the first data, so that the first wireless user equipment reads the first data from or writes the first data in the memory card.

2. The wireless card reader according to claim 1 further comprising:

a contact-type power receiving module configured to receive contact-type power supply from a first contact-type user equipment in a second time period to obtain second power; and

a second contact-type communications module electrically connected to the contact-type power receiving module, in communication connection with the first contact-type communications module, and configured to use the second power in the second time period to perform contact-type communication with the first contact-type user equipment, so as to transmit a second read/write instruction and second data that needs to be read or written according to the second read/write instruction, wherein the contact-type power supply module is further electrically connected to the contact-type power receiving module, and configured to use the second power in the second time period to supply power to the memory card, and wherein the first contact-type communications module is further electrically connected to the contact-type power receiving module, in communication connection with the second contact-type communications module, and configured to use the second power in the second time period to perform contact-type communication with the memory card, so as to transmit the second read/write instruction and the second data, so that the first contact-type user equipment reads the second data from or writes the second data in the memory card.

3. The wireless card reader according to claim 2, wherein the contact-type power receiving module and the second contact-type communications module can be connected to a contact-type user equipment using at least one interface, and wherein the at least one interface comprises one or more of:

a secure digital (SD) card interface, a compact flash (CF) card interface, a multimedia card (MMC) interface, a Universal Serial Bus (USB) interface, a 1394 interface, a subscriber identity module (SIM) card interface, a user identity module (UIM) card interface, and a universal subscriber identity module (USIM) card interface.

4. The wireless card reader according to claim 2 further comprising a control module, connected to the wireless power receiving module, the wireless communications module, the contact-type power receiving module, and the second contact-type communications module, and configured to control actions of the wireless power receiving module, the wireless communications module, the contact-type power receiving module, and the second contact-type communications module.

5. The wireless card reader according to claim 4, wherein the control module is configured to:

prohibit the contact-type power receiving module from receiving, in the first time period, power supply from a second contact-type user equipment when the first power is first detected in the first time period; and

prohibit the second contact-type communications module from performing contact-type communication with the second contact-type user equipment.

6. The wireless card reader according to claim 4, wherein the control module is configured to:

prohibit the wireless power receiving module from receiving, in the second time period, power supply from a second wireless user equipment when the second power is first detected in the second time period; and

prohibit the wireless communications module from performing contact-type communication with the second wireless user equipment.

7. The wireless card reader according to claim 4, wherein when a third read/write instruction from a user equipment except the first wireless user equipment is received before data transmission corresponding to the first read/write instruction is completed, the control module is configured to perform data transmission according to the third read/write instruction after data transmission corresponding to the first read/write instruction is completed.

8. The wireless card reader according to claim 4, wherein when a third read/write instruction from a user equipment except the first wireless user equipment is received before data transmission corresponding to the first read/write instruction is completed, the control module is configured to pause data transmission corresponding to the first read/write instruction, and continue data transmission corresponding to the first read/write instruction after data transmission corresponding to the third read/write instruction is completed.

9. The wireless card reader according to claim 4, wherein when a third read/write instruction from a user equipment except the first wireless user equipment is received before data transmission corresponding to the first read/write instruction is completed, the control module is configured to cancel data transmission corresponding to the first read/write instruction, and perform data transmission according to the third read/write instruction.

10. The wireless card reader according to claim 4, wherein when a third read/write instruction from a user equipment except the first wireless user equipment is received before data transmission corresponding to the first read/write instruction is completed, the control module is configured to:

send a first operation indication request to the first wireless user equipment;

receive a first operation indication response sent by the first wireless user equipment; and

perform data transmission according to the first operation indication response.

11. The wireless card reader according to claim 4, wherein when a fourth read/write instruction from a user equipment except the first contact-type user equipment is received before data transmission corresponding to the second read/write instruction is completed, the control module is configured to:

perform data transmission according to the fourth read/write instruction after data transmission corresponding to the second read/write instruction is completed;

pause data transmission corresponding to the second read/write instruction, and continue data transmission corresponding to the second read/write instruction after data transmission corresponding to the fourth read/write instruction is completed;

cancel data transmission corresponding to the second read/write instruction, and perform data transmission according to the fourth read/write instruction;

or

send a second operation indication request to the first contact-type user equipment, receive a second operation indication response sent by the first contact-type user equipment, and perform data transmission according to the second operation indication response.

12. The wireless card reader according to claim 1, wherein the contact-type power supply module and the first contact-type communications module can be connected to the memory card using at least one interface, and wherein the at least one interface comprises one or more of:

a secure digital (SD) card interface, a compact flash (CF) card interface, a multimedia card (MMC) interface, a Universal Serial Bus (USB) interface, a 1394 interface, a subscriber identity module (SIM) card interface, a user identity module (UIM) card interface, and a universal subscriber identity module (USIM) card interface.

13. A method for storing data, wherein the method comprises:

receiving wireless power supply from a first wireless user equipment in a first time period, to obtain first power;

performing wireless communication with the first wireless user equipment using the first power in the first time period and using ultra-wideband impulse radio, so as to transmit a first read/write instruction from the first wireless user equipment and first data that needs to be read or written according to the first read/write instruction;

supplying power to an inserted memory card using the first power in the first time period; and

performing contact-type communication with the memory card using the first power in the first time period, so as to transmit the first read/write instruction and the first data, so that the first wireless user equipment reads the first data from or writes the first data in the memory card.

14. The method according to claim 13, wherein the method further comprises:

prohibiting a contact-type power receiving module from receiving, in the first time period, power supply from a second contact-type user equipment when the first power is first detected in the first time period; and

prohibiting a second contact-type communications module from performing contact-type communication with the contact-type user equipment.

15. The method according to claim 13, wherein when a third read/write instruction from a user equipment except the first wireless user equipment is received before data transmission corresponding to the first read/write instruction is completed, performing the contact-type communication with the memory card comprises:

performing data transmission according to the third read/write instruction after data transmission corresponding to the first read/write instruction is completed;

pausing data transmission corresponding to the first read/write instruction, and continuing data transmission corresponding to the first read/write instruction after data transmission corresponding to the third read/write instruction is completed;

canceling data transmission corresponding to the first read/write instruction, and performing data transmission according to the third read/write instruction;

or

sending a first operation indication request to the first wireless user equipment, receiving a first operation indication response sent by the first wireless user equipment, and performing data transmission according to the first operation indication response.

16. The method according to claim 13, wherein the method further comprises:

receiving contact-type power supply from a first contact-type user equipment in a second time period, to obtain second power;

performing contact-type communication with the first contact-type user equipment using the second power in the second time period, so as to transmit a second read/write instruction and second data that needs to be read or written according to the second read/write instruction;

supplying power to the memory card using the second power in the second time period; and

performing contact-type communication with the memory card using the second power in the second time period, so as to transmit the second read/write instruction and the second data, so that the first contact-type user equipment reads the second data from or writes the second data in the memory card.

17. The method according to claim 16, wherein the method further comprises:

prohibiting a wireless power receiving module from receiving, in the second time period, power supply from a second wireless user equipment when the second power is first detected in the second time period; and

prohibiting a wireless communications module to perform contact-type communication with the second wireless user equipment.

18. The method according to claim 16, wherein when a fourth read/write instruction from a user equipment except the first contact-type user equipment is received before data transmission corresponding to the second read/write instruction is completed, performing the contact-type communication with the first contact-type user equipment comprises:

performing data transmission according to the fourth read/write instruction after data transmission corresponding to the second read/write instruction is completed;

pausing data transmission corresponding to the second read/write instruction, and continuing data transmission corresponding to the second read/write instruction after data transmission corresponding to the fourth read/write instruction is completed;

canceling data transmission corresponding to the second read/write instruction, and performing data transmission according to the fourth read/write instruction;

or

sending a second operation indication request to the first contact-type user equipment, receiving a second operation indication response sent by the first contact-type user equipment, and performing data transmission according to the second operation indication response.