CN202795429U - Mobile phone user identification card with centrally-mounted decoder capable of supporting close range inductive coupling - Google Patents

Mobile phone user identification card with centrally-mounted decoder capable of supporting close range inductive coupling Download PDF

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Publication number
CN202795429U
CN202795429U CN 201220446439 CN201220446439U CN202795429U CN 202795429 U CN202795429 U CN 202795429U CN 201220446439 CN201220446439 CN 201220446439 CN 201220446439 U CN201220446439 U CN 201220446439U CN 202795429 U CN202795429 U CN 202795429U
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China
Prior art keywords
card
decoding
chip
nfc
active load
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Expired - Fee Related
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CN 201220446439
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Chinese (zh)
Inventor
范绍山
王占琪
唐庆丰
黄炜
陈洁
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Shenghua Electronic Science & Technology Co Ltd Xiamen
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Shenghua Electronic Science & Technology Co Ltd Xiamen
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Abstract

The utility model discloses a mobile phone user identification card with centrally-mounted decoder capable of supporting close range inductive coupling. The mobile phone user identification card comprises a card body with size of a standard subscriber identity module (SIM) card, a miniaturization induction coil antenna, an active load modem modulator, a near field communication (NFC) encoding and decoding safe processor and a microprogrammed control unit (MCU) safe chip, the miniaturization induction coil antenna, the active load modem modulator, the NFC encoding and decoding safe processor and the MCU safe chip are integrated in space of standard SIM card size, an SIM card standard copper connecting contact is arranged on the card body, the miniaturization induction coil antenna is connected with the active load modem modulator, the NFC encoding and decoding safe processor, the MCU safe chip and the SIM card standard copper connecting contact are sequentially connected, the active load modem modulator utilizes a chip with a model number of BOOSTER DIE, the NFC encoding and decoding safe processor utilizes a chip with the model number of AT90SC352208 RCV, and the model number of the MCU safe chip is SWT3221S. According to the mobile phone user identification card, various functions of a conventional SIM/user identity module (UIM) can be completely achieved, the NFC function or mobile electronic payment under existing 13.56M system environment can be achieved, and 13.56M is namely the international standardization organization (ISO) 14443.

Description

Cellphone subscriber's identification card of coupling is closely responded in a kind of mid-decoding support
Technical field
The utility model relates to a kind of Mobile phone card, particularly relates to cellphone subscriber's identification card that coupling is closely responded in a kind of mid-decoding support.
Background technology
NFC is Near Field Communication abbreviation, i.e. near field communication (NFC).NFC by PHILIPS Co. and Sony joint development is a kind of contactless identification and interconnection technique, can carry out wireless near field communication at mobile device, consumer electronics product, PC and smart control Tool Room.
External NFC adopts the 13.56M frequency standard to be used for the technical field of near-field communication mostly, under this standards system, formed the international standard of ISO14443, domestic payment platform centered by China Unionpay's Payment System, mostly adopt the international standard of ISO14443, and used the 13.56MHZ frequency standard to be used for the technical standard of mobile payment.
Under this system standard, the major product form is take the product of ISO14443 system standard as the basis, as: 13.56MHZ contactless IC card, NFC mobile phone, the double-interface card of China Telecom's wing payment.One of essential characteristic of these products comprises an inductive coil exactly, and what it adopted is the principle of electromagnetic induction.Because original ISO14443 system technology, its decode core circuit is passive passive load, sends high-frequency signal by card recognition device or this end of card reader, by inductive coil, with the form of electromagnetic coupled, transfers energy to an end of contactless IC card.
Because the restriction of technical conditions at that time, such product form, the coil antenna that must have a size to strengthen, be connected among the IC of card inside, it not only obtains the IC circuit working that energy starts inside from card recognition device or card reader, after the decoding and processing of settling signal, again by this coil, signal after the modulation is input to coil, and the mode with electromagnetic induction feeds back to card recognition device or card reader again.The coil that this relative size strengthens has caused certain restriction to the application of product.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, provide a kind of mid-decoding support closely to respond to cellphone subscriber's identification card of coupling, it is the induction coil antenna with microminiaturization, BOOSTER active load modulation detuner, AT90SC352208RCV NFC encoding and decoding secure chip processor and SWT3221S safety chip are integrated in the dimensional space of standard SIM card and form cellphone subscriber's identification card, so that this cellphone subscriber's identification card can not only be realized the various functions that conventional SIM/UIM possesses fully, and to can be implemented in existing 13.56M be NFC near field communication (NFC) function or mobile electronic payment under the ISO14443 system environment.
The technical scheme that its technical matters that solves the utility model adopts is: cellphone subscriber's identification card of coupling is closely responded in a kind of mid-decoding support, comprise one have the standard SIM card size card and be integrated in microminiaturized induction coil antenna, active load modulation detuner, NFC encoding and decoding safe processor and MCU safety chip in the dimensional space of standard SIM card; Card is provided with SIM card standard copper connecting terminal; Microminiaturized induction coil antenna is connected with the active load modulation detuner, the active load modulation detuner is connected with NFC encoding and decoding safe processor, NFC encoding and decoding safe processor is connected with the MCU safety chip, and the MCU safety chip is connected with SIM card standard copper connecting terminal; Wherein, it is the chip of BOOSTER DIE that described active load modulation detuner adopts model, and it is the chip of AT90SC352208RCV that described NFC encoding and decoding safe processor adopts model, and the model of described MCU safety chip is SWT3221S.
Described microminiaturized induction coil antenna is of a size of 10 * 5 * 0.5mm or 5 * 5 * 0.3mm.
Cellphone subscriber's identification card of coupling is closely responded in a kind of mid-decoding support of the present utility model, to be that the MCU safety chip that the active load modulation detuner of BOOSTER DIE, NFC encoding and decoding safe processor that the chip model is AT90SC352208RCV and model are SWT3221S realizes that ISO14443A/B closely responds to coupling with the chip model, it in the dimensional space of standard SIM card, the induction coil antenna of integrated micro, active load modulation detuner, NFC encoding and decoding safe processor and MCU safety chip; Adopted SIM card standard copper connecting terminal to connect the SIM card deck of portable terminal mobile phone on the card; Whole card adopts the SIP packaging technology, and is fully compatible with common SIM card electric property, can substitute or upgrade former SIM card, can be implemented in existing 13.56M and be NFC near field communication (NFC) function or mobile electronic payment under the ISO14443 system environment.
At system except AFE (analog front end) (being the active load modulation detuner), adopted the dual chip design, wherein a slice is the NFC encoding and decoding safe processor with ISO14443A/B protocol processes ability, and a slice is the scheme with large capacity safety chip MCU of ISO principal and subordinate interface in addition.On data were processed, finished by former and later two processors are collaborative the middle part that the encoding and decoding of ISO14443A/B agreement place system data to process.Safety chip is connected with the mobile communication terminal mobile phone by the ISO7816 interface of self, processes all kinds of related datas or instruction that mobile phone is sent.
After system powers on, model is that the MCU safety chip of SWT3221S is put and resetted, starting the sheet internal program starts working, the MCU safety chip is again by connecting signal, the chip AT90SC352208RCV of NFC encoding and decoding safe processor put reset, the chip AT90SC352208RCV of NFC encoding and decoding safe processor by connecting signal, arranges initialization to the active load modulation detuner again, finishes the start-up course of whole card.
When swiping the card of mobile electronic payment concluded the business, the card recognition device that microminiaturized induction coil antenna is sensed or the electromagnetic signal of card reader are through the demodulation of active load modulation detuner, data are sent to NFC encoding and decoding processor decodes, decoded transaction data or be packaged into a transaction record and be stored in the ram space of NFC encoding and decoding processor, or receive the instruction of next stage MCU safety chip, with Packet Generation to next stage MCU safety chip.The MCU safety chip is by the ISO7810 interface, sending the active data transaction to the portable terminal mobile phone screen shows, or by the portable terminal mobile phone by the ISO7810 interface, send the Card Reader instruction to the MCU safety chip, the MCU safety chip reads the transaction record in the ram space that is stored in NFC encoding and decoding safe processor, and data feedback to the portable terminal mobile phone terminal, show at the screen of portable terminal mobile phone.
The beneficial effects of the utility model are, owing to adopted one to have the card of size of standard SIM card and microminiaturized induction coil antenna, active load modulation detuner, NFC encoding and decoding safe processor and the MCU safety chip that is integrated in the dimensional space of standard SIM card consists of cellphone subscriber's identification card; And card is provided with SIM card standard copper connecting terminal; Microminiaturized induction coil antenna is connected with the active load modulation detuner, the active load modulation detuner is connected with NFC encoding and decoding safe processor, NFC encoding and decoding safe processor is connected with the MCU safety chip, and the MCU safety chip is connected with SIM card standard copper connecting terminal; Wherein, it is the chip of BOOSTER DIE that described active load modulation detuner adopts model, and it is the chip of AT90SC352208RCV that described NFC encoding and decoding safe processor adopts model, and the model of described MCU safety chip is SWT3221S.So that this cellphone subscriber's identification card can not only be realized the various functions that conventional SIM/UIM possesses fully, and to can be implemented in existing 13.56M be NFC near field communication (NFC) function or mobile electronic payment under the ISO14443 system environment.
Below in conjunction with drawings and Examples the utility model is described in further detail; But cellphone subscriber's identification card that coupling is closely responded in a kind of mid-decoding support of the present utility model is not limited to embodiment.
Description of drawings
Fig. 1 is schematic block circuit diagram of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment
Embodiment, referring to Fig. 1, shown in Figure 2, cellphone subscriber's identification card of coupling is closely responded in a kind of mid-decoding support of the present utility model, comprise one have the standard SIM card size the card (not shown) and be integrated in microminiaturized induction coil antenna 1, active load modulation detuner 2, NFC encoding and decoding safe processor 3 and MCU safety chip 4 in the dimensional space of standard SIM card; Card is provided with SIM card standard copper connecting terminal 5; Microminiaturized induction coil antenna 1 is connected with active load modulation detuner 2, active load modulation detuner 2 is connected with NFC encoding and decoding safe processor 3, NFC encoding and decoding safe processor 3 is connected with MCU safety chip 4, and MCU safety chip 4 is connected with SIM card standard copper connecting terminal 5; Wherein, it is the chip N1 of BOOSTER DIE that described active load modulation detuner 2 adopts model, and it is the chip N2 of AT90SC352208RCV that described NFC encoding and decoding safe processor 3 adopts model, and the model of described MCU safety chip N3 is SWT3221S.
Described microminiaturized induction coil antenna 1 is of a size of 10 * 5 * 0.5mm or 5 * 5 * 0.3mm.
The know-why of cellphone subscriber's identification card of coupling is closely responded in the related support of the utility model, is to be dependent on formerly patent (patent No.: ZL 200410036263.4) " with the mobile phone intelligent card of twireless radio-frequency communication function and supporting peripheral processor ".Formerly patent disclosure a kind of mobile phone intelligent card with the twireless radio-frequency communication function, this card meets the ISO7816 standard, can realize the various functions that conventional SIM/UIM possesses fully, on this basis, also have additional radio-frequency receiving-transmitting antenna and RF transmit-receive circuit in the card, the control software of CPU utilizes radio-frequency enabled to carry out short-range data with the peripheral processor that matches with cordless to communicate by letter on the one hand in the card, on the other hand, coordinate to control mobile phone by mobile phone ISO7816 interface and APDU agreement, also can utilize the STK function of mobile phone and mobile phone screen and keyboard to realize that man-card interactive or machine card are mutual, like this, mobile phone just can double as various contactless IC cards and make and spend the application that realizes such as small amount payment, special needs to be pointed out is, the information and the intervention (input password during authentication) that produce with the card process are to realize at holder's mobile phone, in a word, this mobile phone intelligent card can bring great convenience to the user.
Cellphone subscriber's identification card of coupling is closely responded in a kind of mid-decoding support of the present utility model, to be that the MCU safety chip that the active load modulation detuner of BOOSTER DIE, NFC encoding and decoding safe processor that the chip model is AT90SC352208RCV and model are SWT3221S realizes that ISO14443A/B closely responds to coupling with the chip model, it in the dimensional space of standard SIM card, the induction coil antenna of integrated micro, active load modulation detuner, NFC encoding and decoding safe processor and MCU safety chip; Adopted SIM card standard copper connecting terminal to connect the SIM card deck of portable terminal mobile phone on the card; Whole card adopts the SIP packaging technology, and is fully compatible with common SIM card electric property, and can substituting or upgrade former SIM, to can be implemented in existing 13.56M be NFC near field communication (NFC) function or mobile electronic payment under the ISO14443 system environment.Be the consolidation system performance index, improve system response time, the utility model has adopted separately design proposal independently of NFC encoding and decoding and safe processor MCU, ISO14443 protocol signal NFC codec unit only is responsible for collection and the pre-service of signal, pretreated data are temporary in the buffer zone of system, next step signal resolution is finished by follow-up MCU, finishes data transmission with the mobile communication terminal mobile phone by the ISO7816 interface again.With respect to the data transfer approach, the centre that the encoding and decoding of signal place system signal to process, so mid-decoding that is called, the parsing of signals collecting pre-service and signal is finished by dual chip is collaborative, such design proposal, help to improve the speed of response of system, can satisfy the designing requirement to the higher application of payment response rate request.
Cellphone subscriber's identification card of coupling is closely responded in a kind of mid-decoding support of the present utility model, adopted microminiaturized induction coil antenna 1, be the coil antenna that adopts the microminiaturization of certain technique manufacturing, size 10 * 5 * 0.5mm or 5 * 5 * 0.3mm are integrated in the standard SIM card.Induction coil antenna is used for receiving the electromagnetic signal of induction card recognizer or card reader, also finishes the signal that sends after decoding is processed, and after the modulation, with the form of electric current, passes to card recognition device or card reader by this induction coil antenna with field signal.
Cellphone subscriber's identification card of coupling is closely responded in a kind of mid-decoding support of the present utility model, and the BOOSTER chip N1 of the French Inside of active load modulation detuner 2 employings company is a kind of active load modulation detuner by the induction coupling.Different from the know-why of original I SO14443 agreement is, its signal extraction signal period and synchronous inner oscillator by receiving and send induction coil antenna, the rectification of settling signal.And the active load modulation circuit cooperation under, the modulation of settling signal is applied to induction coil antenna with the signal after processing by amplification.Data-interface is responsible for the digital signal of demodulation is sent to higher level's decoding processing device, or receives the data that higher level's code processing apparatus sends.
The active load modulation demodulator function is described: admission detection and the modulating/demodulating of finishing magnetic signal.The flow process of once swiping the card: in the time of in card enters 13.56MHZ magnetic field, the signal that the induction coil antenna of the microminiaturization in the card is sensed, after active load modulation detuner 2 amplifies magnetic signal, demodulate data, give NFC encoding and decoding safe processor 3 decodings by three-wire interface or DCLB interface.Modulation function: when card during at on-site, active load modulation detuner 2 comes NFC encoding and decoding safe processor 3 by three-wire interface or the transmission of DCLB interface data modulate and convert to electric signal and amplify after delivers to antenna transmission.
Cellphone subscriber's identification card of coupling is closely responded in a kind of mid-decoding support of the present utility model, NFC encoding and decoding safe processor 3 adopts the secure chip processor N2 of atmel corp, model is AT90SC352208RCV, finish the signal that sends from active load modulation detuner 2 is gathered and the encoding and decoding pre-service, and be temporary in the buffer memory after the data that collect are processed by the ISO14443A/B protocol package, wait is given higher level's MCU safety chip 4 and is processed, or receive data or the instruction that the MCU safety chip 4 by the higher level sends, send to reader device if need to send to the data of card-reading apparatus then send active load modulation detuner 2 after encoded to by magnet passage.
NFC encoding and decoding safe processor 3 has following function, function one: finish the encoding and decoding of 13.56MHZ data code flow and the air protocol of ISO1444A or B and realize; NFC encoding and decoding safe processor 3 comes active load modulation detuner 2 by three-wire interface or the transmission of DCLB interface code stream is decoded and is carried out protocol analysis by ISO14443A or category-B agreement, then submits to feedback data to modulate to active load modulation detuner 2 by ISO14443A or category-B agreement by three-wire interface or DCLB interface and passes card reader or arrangement for reading back; Function two: the storage of magnet passage transaction data and the logic realization of application.
Cellphone subscriber's identification card of coupling is closely responded in a kind of mid-decoding support of the present utility model, and MCU safety chip 4 adopts the processor security chip N3 that contains the autonomous property right of magnificent telecommunication, and model is SWT3221S, and it is data processing core device of the present utility model; It finishes all functions of cellphone subscriber's identification card telecommunications part, can control with data and download subordinate's (being the MCU in the NFC encoding and decoding safe processor 3) by card reader interface, can also process the NFC Transaction Information that NFC encoding and decoding safe processor 3 transmits, and the information after will processing, by the SIM card standard copper connecting terminal on ISO7816 interface and the card, finish and the communicating by letter of portable terminal mobile phone.
Cellphone subscriber's identification card of coupling is closely responded in a kind of mid-decoding support of the present utility model, be provided with SIM card standard copper connecting terminal 5, SIM card deck by SIM card standard copper connecting terminal 5 connection portable terminal mobile phones obtains the transmission of power supply supply and settling signal.The card substrate adopts BT material FPC technique, and substrate thickness 0.15-0.26mm installs all chips and element at substrate, comprises crystal resonator, induction coil antenna and peripheral components.Card adopts SIP technique, and the whole card of SIM of a standard dimensions is finished in die casting.
At system except AFE (analog front end) (being the active load modulation detuner), adopted the dual chip design, wherein a slice is the NFC encoding and decoding safe processor with ISO14443A/B protocol processes ability, and a slice is the scheme with large capacity safety chip MCU of ISO principal and subordinate interface in addition.On data were processed, finished by former and later two processors are collaborative the middle part that the encoding and decoding of ISO14443A/B agreement place system data to process.Safety chip is connected with the mobile communication terminal mobile phone by the ISO7816 interface of self, processes all kinds of related datas or instruction that mobile phone is sent.
After system powers on, model is that the MCU safety chip of SWT3221S is put and resetted, starting the sheet internal program starts working, the MCU safety chip is again by connecting signal, the chip AT90SC352208RCV of NFC encoding and decoding safe processor put reset, the chip AT90SC352208RCV of NFC encoding and decoding safe processor by connecting signal, arranges initialization to the active load modulation detuner again, finishes the start-up course of whole card.
When swiping the card of mobile electronic payment concluded the business, the card recognition device that microminiaturized induction coil antenna is sensed or the electromagnetic signal of card reader are through the demodulation of active load modulation detuner, data are sent to NFC encoding and decoding processor decodes, decoded transaction data or be packaged into a transaction record and be stored in the ram space of NFC encoding and decoding processor, or receive the instruction of next stage MCU safety chip, with Packet Generation to next stage MCU safety chip.The MCU safety chip is by the ISO7810 interface, sending the active data transaction to the portable terminal mobile phone screen shows, or by the portable terminal mobile phone by the ISO7810 interface, send the Card Reader instruction to the MCU safety chip, the MCU safety chip reads the transaction record in the ram space that is stored in NFC encoding and decoding safe processor, and data feedback to the portable terminal mobile phone terminal, show at the screen of portable terminal mobile phone.
Above-described embodiment only is used for further specifying cellphone subscriber's identification card that coupling is closely responded in a kind of mid-decoding support of the present utility model; but the utility model is not limited to embodiment; every foundation technical spirit of the present utility model all falls in the protection domain of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment does.

Claims (2)

1. cellphone subscriber's identification card of coupling is closely responded in a mid-decoding support, it is characterized in that: comprise one have the standard SIM card size card and be integrated in microminiaturized induction coil antenna, active load modulation detuner, NFC encoding and decoding safe processor and MCU safety chip in the dimensional space of standard SIM card; Card is provided with SIM card standard copper connecting terminal; Microminiaturized induction coil antenna is connected with the active load modulation detuner, the active load modulation detuner is connected with NFC encoding and decoding safe processor, NFC encoding and decoding safe processor is connected with the MCU safety chip, and the MCU safety chip is connected with SIM card standard copper connecting terminal; Wherein, it is the chip of BOOSTER DIE that described active load modulation detuner adopts model, and it is the chip of AT90SC352208RCV that described NFC encoding and decoding safe processor adopts model, and the model of described MCU safety chip is SWT3221S.
2. cellphone subscriber's identification card of coupling is closely responded in mid-decoding support according to claim 1, and it is characterized in that: described microminiaturized induction coil antenna is of a size of 10 * 5 * 0.5mm or 5 * 5 * 0.3mm.
CN 201220446439 2012-09-03 2012-09-03 Mobile phone user identification card with centrally-mounted decoder capable of supporting close range inductive coupling Expired - Fee Related CN202795429U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013174317A2 (en) * 2013-06-07 2013-11-28 中兴通讯股份有限公司 Financial card, mobile terminal and mobile payment system
GB2531255A (en) * 2014-10-13 2016-04-20 Digital Payment Partners Llc Secure authentication token

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013174317A2 (en) * 2013-06-07 2013-11-28 中兴通讯股份有限公司 Financial card, mobile terminal and mobile payment system
WO2013174317A3 (en) * 2013-06-07 2014-05-01 中兴通讯股份有限公司 Financial card, mobile terminal and mobile payment system
GB2531255A (en) * 2014-10-13 2016-04-20 Digital Payment Partners Llc Secure authentication token

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20130313

Termination date: 20210903