CN104091190A - Intelligent IC card of terminal - Google Patents
Intelligent IC card of terminal Download PDFInfo
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- CN104091190A CN104091190A CN201410315364.9A CN201410315364A CN104091190A CN 104091190 A CN104091190 A CN 104091190A CN 201410315364 A CN201410315364 A CN 201410315364A CN 104091190 A CN104091190 A CN 104091190A
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Abstract
The invention discloses an intelligent IC card of a terminal. The intelligent IC card and a reader-writer are integrated. A user can complete charging without the need of additionally using a reader-writer or going to a service network station. The intelligent IC card comprises an MCU, a reader-writer unit, an IC card unit, a channel switching unit and an antenna. The MCU is respectively and electrically connected with the reader-writer unit and the IC card, and completes data interaction through two buses. The reader-writer unit is electrically connected with the channel switching unit, receives data of a current radio frequency channel and completes data processing. The IC card unit is electrically connected with the channel switching unit, receives data of the current radio frequency channel and completes data processing. The reader-writer unit and the IC card unit share the antenna through the channel switching unit and are used for achieving antenna switching.
Description
Technical field
The present invention relates to the technical field of mobile payment device, relate in particular to a kind of terminal intelligent IC-card.
Background technology
In the technical field of mobile payment device, the technical standard of the financial industry specification based on 13.56MHz frequency has become industry main flow, being applied to financial IC (Integrated Circuit, the integrated circuit) card of near field consumption and the development of payment terminal also makes rapid progress.
Intellective IC card just replaces conventional magnetic stripe card with advantages such as the safe encryption and decryption mechanism of uniqueness, large capacity storage space and long service lifes.Magnetic stripe card accelerates, to intellective IC card migration, also to have driven the development of payment terminal industry simultaneously.
But existing intellective IC card is supplemented with money and need to be completed by corresponding read write line, for example, contact intellective IC card need to be completed and be supplemented with money by physical interface with read write line, and Non-contact Intelligent IC Card need to be completed and be supplemented with money by radio-frequency field interface with read write line.Existing intellective IC card and read write line are system independently separately, and so, intellective IC card user must be equipped with in addition read write line or could supplement with money to card to service network.
Summary of the invention
For overcoming the defect of prior art, the technical problem to be solved in the present invention has been to provide a kind of terminal intelligent IC-card, and it integrates intellective IC card and read write line, and user is without being equipped with in addition read write line or going service network just can complete and supplement with money.
Technical scheme of the present invention is: this terminal intelligent IC-card, and it comprises micro-control unit MCU, read write line unit, IC-card unit, passage switch unit and antenna; MCU is and is electrically connected with read write line unit, IC-card unit, completes respectively data interaction by two kinds of buses; Read write line unit for being electrically connected, receives the data of current radio-frequency channel with passage switch unit, and completes data processing; IC-card unit for being electrically connected, receives the data of current radio-frequency channel with passage switch unit, and completes data processing; Read write line unit and IC-card unit share this antenna by passage switch unit, switch for realizing antenna.
Due to read write line unit and IC-card units shared antenna, by passage switch unit, IC-card unit and read write line unit are integrated, terminal intelligent IC-card after integration can as common intellective IC card receipts set up standby on consumption, can supplement with money self or other intellective IC card as common read write line again, like this, user is without being equipped with read write line or going service network just can supplement with money.
Brief description of the drawings
Fig. 1 is according to the structural representation of a kind of terminal intelligent IC-card of the present invention.
Fig. 2 is the circuit diagram of radio-frequency (RF) switch according to a preferred embodiment of the present invention.
Embodiment
This terminal intelligent IC-card, it comprises micro-control unit MCU, read write line unit, IC-card unit, passage switch unit and antenna; MCU is and is electrically connected with read write line unit, IC-card unit, completes respectively data interaction by two kinds of buses; Read write line unit for being electrically connected, receives the data of current radio-frequency channel with passage switch unit, and completes data processing; IC-card unit for being electrically connected, receives the data of current radio-frequency channel with passage switch unit, and completes data processing; Read write line unit and IC-card unit share this antenna by passage switch unit, switch for realizing antenna.
Due to read write line unit and IC-card units shared antenna, by passage switch unit, IC-card unit and read write line unit are integrated, terminal intelligent IC-card after integration can as common intellective IC card receipts set up standby on consumption, can supplement with money self or other intellective IC card as common read write line again, like this, user is without being equipped with read write line or going service network just can supplement with money.As shown in Figure 1, this terminal intelligent IC-card,, comprising: antenna 100, passage switch unit 200, read write line unit 300, IC-card unit 400 and MCU500 (the MCU unit in Fig. 1).
Described antenna 100 for being electrically connected, is data exchange channels in near-field communication with described passage switch unit 200; Described read write line unit 300, receives the data of current RF passage, and completes data processing for being electrically connected with described passage switch unit 200; Described read write line unit 300 is uploaded to described MCU500 by the data that receive and handle by bus; Described IC-card unit 400, receives the data of current RF (radio frequency) passage, and completes data processing for being electrically connected with described passage switch unit 200; Described IC-card unit 400 is uploaded to described MCU500 by the data that receive and handle by bus.
Preferably, as shown in Figure 2, passage switch unit comprises the first radio-frequency (RF) switch U1 and the second radio-frequency (RF) switch U2, the first output terminal J1 of the first radio-frequency (RF) switch and the first output terminal J1 ' of the second radio-frequency (RF) switch are connected as first signal output terminal, the second output terminal J2 of the first radio-frequency (RF) switch and the second output terminal J2 ' of the second radio-frequency (RF) switch are connected as secondary signal output terminal, first signal output terminal connects IC-card unit, and secondary signal output terminal connects read write line unit.
Preferably, antenna is connected to first signal output terminal after rectification circuit, filtering circuit, the first bleeder circuit, and antenna is connected to secondary signal output terminal after the second bleeder circuit.
Preferably, rectification circuit is bridge rectifier circuit D1, and filtering circuit comprises that capacitor C 8, the first bleeder circuits comprise diode D2 and pull down resistor R3, and the second bleeder circuit comprises the first resistance in series R4 and the second resistance in series R5.
Below describe the switching principle of the two-way radio-frequency (RF) switch of the present embodiment in detail.Radio-frequency (RF) switch of the present invention possesses the characteristics such as high-isolation, high power input, low on-resistance, low-loss.
The signal input part of described the first radio-frequency (RF) switch is connected with the first port of described antenna 100 by match circuit, its first output terminal 230 is connected to the first input end mouth of described read write line unit 300, and its second output terminal 250 is connected to the first input end mouth of described IC-card unit 400.
The signal input part of described the second radio-frequency (RF) switch connects by match circuit to the second port of described antenna 100, its first output terminal 240 is connected to the second input port of described read write line unit 300, and its second output terminal 260 is connected to the second input port of described IC-card unit 400.
Described passage switch unit 200 comprises the first radio-frequency (RF) switch U1 and the second radio-frequency (RF) switch U2; Described the first radio-frequency (RF) switch U1 is contained two control signal J1 and J2, the second radio-frequency (RF) switch U2 is contained two control signal J1 ' and J2 ', because two-way radio-frequency (RF) switch application scenarios is consistent, so by J1 and J1 ', J2 and J2 ' short circuit respectively, externally output interface is defined as control signal 210, control signal 220.
When this terminal intelligent card does not power on, and while being placed in elect magnetic field, antenna energy is after electric bridge D1 rectification, capacitor C 8 filtering, and producing described control signal 210 by diode D2 and pull down resistor R3 dividing potential drop is high level; Control signal 220 is by the first resistance in series R4 and the second resistance in series R5 series connection dividing potential drop gained, because system does not power on, VCC is low level now, described control signal 220 is pulled down to ground by the second resistance in series R5, for low level, now radio frequency unit is automatically switched to described IC-card unit 400, and now system presents intellective IC card pattern, can set up on standby and complete consume operations in receipts.
When this terminal intelligent card powers on, described control signal 210 is pulled down to ground by pull down resistor R3, is low level; Because system powers on, VCC is now high level, and control signal 220 is by the first resistance in series R4 and the second resistance in series R5 series connection dividing potential drop, for high level, now radio frequency unit is automatically switched to described read write line unit 300, and now system presents card reader pattern, can be to supplementing with money by IC-card.
The truth table of described control signal is as shown in table 1 below:
| 210 | 220 | Radio frequency unit is selected |
| 1 | 0 | IC-card unit 400 |
| 0 | 1 | Read write line unit 300 |
| 1 | 1 | High-impedance state |
| 0 | 0 | High-impedance state |
Table 1
The above; it is only preferred embodiment of the present invention; not the present invention is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all still belong to the protection domain of technical solution of the present invention.
Claims (4)
1. a terminal intelligent IC-card, is characterized in that: it comprises micro-control unit MCU, read write line unit, IC-card unit, passage switch unit and antenna; MCU is and is electrically connected with read write line unit, IC-card unit, completes respectively data interaction by two kinds of buses; Read write line unit for being electrically connected, receives the data of current radio-frequency channel with passage switch unit, and completes data processing; IC-card unit for being electrically connected, receives the data of current radio-frequency channel with passage switch unit, and completes data processing; Read write line unit and IC-card unit share this antenna by passage switch unit, switch for realizing antenna.
2. terminal intelligent IC-card according to claim 1, it is characterized in that: passage switch unit comprises the first radio-frequency (RF) switch and the second radio-frequency (RF) switch, the first output terminal of the first radio-frequency (RF) switch is connected as first signal output terminal with the first output terminal of the second radio-frequency (RF) switch, the second output terminal of the first radio-frequency (RF) switch is connected as secondary signal output terminal with the second output terminal of the second radio-frequency (RF) switch, first signal output terminal connects IC-card unit, and secondary signal output terminal connects read write line unit.
3. terminal intelligent IC-card according to claim 2, is characterized in that: antenna is connected to first signal output terminal after rectification circuit, filtering circuit, the first bleeder circuit, and antenna is connected to secondary signal output terminal after the second bleeder circuit.
4. terminal intelligent IC-card according to claim 3, it is characterized in that: rectification circuit is bridge rectifier circuit, filtering circuit comprises electric capacity, and the first bleeder circuit comprises diode and pull down resistor, and the second bleeder circuit comprises the first resistance in series and the second resistance in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410315364.9A CN104091190A (en) | 2014-07-02 | 2014-07-02 | Intelligent IC card of terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410315364.9A CN104091190A (en) | 2014-07-02 | 2014-07-02 | Intelligent IC card of terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104091190A true CN104091190A (en) | 2014-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410315364.9A Pending CN104091190A (en) | 2014-07-02 | 2014-07-02 | Intelligent IC card of terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104091190A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104851210A (en) * | 2015-05-15 | 2015-08-19 | 苏州德锐朗智能科技有限公司 | Self-recharge control system for IC (integrated circuit) cards |
| CN106855955A (en) * | 2015-12-09 | 2017-06-16 | 北京握奇智能科技有限公司 | A kind of New Type IC Card of shared NFC antenna |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001005938A (en) * | 1999-04-19 | 2001-01-12 | Denso Corp | Non-contact ic card |
| CN1987901A (en) * | 2005-12-21 | 2007-06-27 | 何俊炘 | Intelligent card |
| CN201867845U (en) * | 2010-11-26 | 2011-06-15 | 北京握奇数据系统有限公司 | Intelligent card and read-write device |
| CN202230504U (en) * | 2011-09-28 | 2012-05-23 | 谢忠 | Patch adhered to subscriber identity module (SIM) card and provided with integrated circuit (IC) card read-write module |
| CN202495077U (en) * | 2012-03-30 | 2012-10-17 | 谢忠 | IC card with earmark device |
-
2014
- 2014-07-02 CN CN201410315364.9A patent/CN104091190A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001005938A (en) * | 1999-04-19 | 2001-01-12 | Denso Corp | Non-contact ic card |
| CN1987901A (en) * | 2005-12-21 | 2007-06-27 | 何俊炘 | Intelligent card |
| CN201867845U (en) * | 2010-11-26 | 2011-06-15 | 北京握奇数据系统有限公司 | Intelligent card and read-write device |
| CN202230504U (en) * | 2011-09-28 | 2012-05-23 | 谢忠 | Patch adhered to subscriber identity module (SIM) card and provided with integrated circuit (IC) card read-write module |
| CN202495077U (en) * | 2012-03-30 | 2012-10-17 | 谢忠 | IC card with earmark device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104851210A (en) * | 2015-05-15 | 2015-08-19 | 苏州德锐朗智能科技有限公司 | Self-recharge control system for IC (integrated circuit) cards |
| CN106855955A (en) * | 2015-12-09 | 2017-06-16 | 北京握奇智能科技有限公司 | A kind of New Type IC Card of shared NFC antenna |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141008 |