CN202404630U - Receiving terminal component for near field communication and receiving equipment comprising same - Google Patents

Receiving terminal component for near field communication and receiving equipment comprising same Download PDF

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Publication number
CN202404630U
CN202404630U CN2011205254769U CN201120525476U CN202404630U CN 202404630 U CN202404630 U CN 202404630U CN 2011205254769 U CN2011205254769 U CN 2011205254769U CN 201120525476 U CN201120525476 U CN 201120525476U CN 202404630 U CN202404630 U CN 202404630U
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China
Prior art keywords
coil
smart card
end assembly
receiving
receiving equipment
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Expired - Lifetime
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CN2011205254769U
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Chinese (zh)
Inventor
侯佳宁
徐燕军
单长胜
张志波
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China Unionpay Co Ltd
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China Unionpay Co Ltd
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Priority to CN2011205254769U priority Critical patent/CN202404630U/en
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Publication of CN202404630U publication Critical patent/CN202404630U/en
Priority to PCT/CN2012/086557 priority patent/WO2013086997A1/en
Priority to TW101224317U priority patent/TWM459635U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Near-Field Transmission Systems (AREA)

Abstract

The utility model provides a receiving terminal component for near field communication and receiving equipment comprising the same. The receiving terminal component comprises a smart card, a first coil distributed on the smart card, and a second coil arranged close to the first coil and magnetically coupled with the first coil, wherein the area of the second coil is lager than that of the first coil. The utility model also provides receiving equipment comprising the receiving terminal component. The equipment comprises a smart card slot, and the second coil is fixed on the casing of the receiving equipment.

Description

Be used for the receiving end assembly of near-field communication and comprise the receiving equipment of this assembly
Technical field
The utility model relates to receiving end assembly that is used for near-field communication and the receiving equipment that comprises this assembly.
Background technology
(Near Field Communication NFC), claims wireless near field communication again to near-field communication, is a kind of short-range high frequency wireless communication technology, allows to carry out contactless Point-to-Point Data Transmission (in 10 centimetres) swap data between the electronic equipment.This technology develops by exempting from contact RF identification (RFID), and backward compatible RFID.Because near-field communication has natural security, so the NFC technology is considered to have very wide application prospect in fields such as mobile-phone payments.
The built-in NFC chip of NFC equipment is formed the part of RFID module, can be used as the RFID passive label and use, and for example is used for defrayment; Also can be used as rfid interrogator and use, for example as exchanges data and collection.The multiple application of NFC technical support, comprise mobile payment and transaction, to equality communicate by letter and move in message reference etc.Through NFC equipment, people can through any equipment, hope that with them the entertainment service and the transaction that obtain link together in any place, any time, thereby accomplish payment, obtain placard information etc.As a whole, the application of NFC equipment mainly can be divided into following four fundamental types: be used for payment and booking, be used for electronic bill, be used for smart media and be used for exchange, transmission data.
Existing mobile payment SWP (Single Wire Protocol, single-wire-protocol)-SD card technique scheme makes that going up convenient and safe ground at the portable terminal (for example, mobile phone) of supporting the NFC function realizes that long-range and near field payment function becomes possibility.Intelligent SD card is except the data storage function with common SD card, and embedded one has other smart card of financial security level as the payment information carrier, bank card information is stored securely in the card.It also can store user's oneself data as using common SD card.Therefore compare with common SD card, intelligent SD card improves a lot in security, its SWP interface protocol with single line realization duplex communication is combined to realize safely and reliably at the same time remote payment and based on the near field payment function of NFC.
Yet,, still need compare big transformation to mobile phone hardware though have very high security and realizability such as the technology of SWP-SD card mobile payment solution.At least need increase the analog front circuit of supporting NFC such as mobile payment terminals such as mobile phones, and the general analog front circuit that increases can only be integrated on the mainboard of mobile phone.Therefore, the user need change the mobile phone with NFC function can support SWP-SD card mobile payment scheme, and it is bigger that this makes that the popularization of similar scheme drops into, and limited the popularization of near field mobile payment to a certain extent.
Therefore, realize that for the hardware configuration that changes the mobile payment terminal as few as possible the scheme of NFC near field mobile payment has very strong demand.
The utility model content
For addressing the above problem, the utility model provides a kind of receiving end assembly that is used for near-field communication, and said receiving end assembly comprises: smart card; Be arranged in first coil on the said smart card; And near said first coil and with magnetic-coupled second coil of said first coil, the area of wherein said second coil is greater than the area of said first coil.
Preferably, said second coil be disposed in another parallel substantially plane of the residing plane of said first coil on, and the projection of said second coil institute's area surrounded on the residing plane of said first coil covers said first coil fully.
Preferably, said receiving end assembly also comprises connecting with said second coil and forms the electric capacity of LC resonant circuit.
Preferably, said electric capacity and said second coil are arranged to and are in same plane substantially.
Preferably, said first coil is arranged to the antennal interface of said smart card and directly links to each other.
In certain embodiments, said smart card is intelligent SD card or SIM.
The utility model also provides a kind of receiving equipment that is used for near-field communication; Said receiving equipment comprises: the receiving end assembly that is used for near-field communication; Said receiving end assembly comprises smart card, be fitted on the said smart card first coil and near said first coil and with magnetic-coupled second coil of said first coil, the area of wherein said second coil is greater than the area of said first coil; Be used to carry the smart card slot of said smart card; Wherein said second coil is fixed on the shell of said receiving equipment.
In certain embodiments, said receiving equipment is a mobile phone, and said second coil is fixed on the bonnet of said mobile phone.
In further embodiments, said receiving equipment is a mobile phone, and said LC resonant circuit is fixed on the bonnet of said mobile phone.
The receiving end assembly that is used for near-field communication of the utility model and comprise that the receiving equipment of this assembly can provide good solution for the near field mobile payment; It both can be used as the transition scheme of popularization such as mobile payment consumption habits such as mobile-phone payments, also can be behind the mobile payment market-ripe as other technologies schemes such as a kind of feasible solution and SWP-SD card schemes and deposit.To combine concrete embodiment to describe the method for the utility model below.
Description of drawings
Aforementioned and other targets of the utility model, feature and advantage will be conspicuous according to the explanation more specifically of facing the embodiment of the utility model down, and these embodiment are illustrated in the accompanying drawings.
Fig. 1 schematically shows the formation according to the receiving end assembly that is used for near-field communication of first embodiment of the utility model.
Fig. 2 schematically shows the layout of the various piece of receiving end assembly shown in Figure 1.
Fig. 3 a schematically shows the part according to the receiving end assembly that is used for near-field communication of second embodiment of the utility model; Fig. 3 b shows the equivalent electrical circuit of part shown in Fig. 3 a.
Fig. 4 schematically shows the embodiment of the receiving equipment that is used for near-field communication that the utility model provides.
Embodiment
Below in conjunction with accompanying drawing and embodiment further explain the utility model.Need to prove that each structure in the accompanying drawing is a schematic illustration, use that it is not necessarily drawn in proportion so that those of ordinary skills understand the principle of the utility model best.
Fig. 1 schematically shows the formation according to the receiving end assembly that is used for near-field communication of first embodiment of the utility model.As mentioning in the background technology, near-field communication (NFC) claim wireless near field communication again, is a kind of short-range high frequency wireless communication technology, and this technology develops by exempting from contact RF identification (RFID), and backward compatible RFID.Therefore, the same with RFID, NFC information also is to transmit through the electromagnetic induction coupling scheme of wireless frequency part in the frequency spectrum.On the Non-contact Media Reader equipment that is suitable for NFC communication, be furnished with the NFC antenna usually; It is the near field coupled antenna that is operated on the 13.56 MHz frequency ranges; Reading/writing distance is very short, thus receiving end also must layout can with the receiving antenna that is suitable for carrying out the magnetic field coupling of its coupling.
As shown in Figure 1, comprise smart card 101, first coil 102 and second coil 103 according to the receiving end assembly of first embodiment of the utility model.As everyone knows, nowadays smart card has been widely used in such as on the mobile terminal devices miscellaneous such as mobile phone, portable digital-assistant (PDA), laptop, panel computer.Therefore, the carrier of smart card as receiving antenna can be carried out at the hardware configuration to terminal device making it possess the ability of short-range communication under the minimum situation of changing.Terminal device only need possess the smart card slot, and this has almost become the standard configuration of present most of electronic product.Smart card can comprise various smart card structures common in the prior aries such as intelligent SD card, SIM, intelligent miniSD card, intelligent microSD card.
First coil 102 is disposed on the smart card 101, and it is used as the part of receiving end antenna.In practice, can be for example through realizing said first coil on the insulating material that first coil 102 made of copper directly is printed on packaging smart card chip.Alternatively, can with said first coil and intelligent card chip coplane be encapsulated in the inside of smart card, wherein the chip part can be formed on smart card 101 on this blank parts first coil.No matter adopt any mode, so SMD structure can not make smart card on profile and volume, significant change arranged, and therefore need not change mechanisms such as existing smart card slots.Which kind of in addition, no matter under arrangement, can the antennal interface of first coil 102 with smart card 101 interior chips directly be linked to each other so that said chip is operated.
In fact, be known that the single coil such as first coil 102 also can be coupled with the emitting antenna on the NFC Non-contact Media Reader equipment.Yet; Because continuous development along with semiconductor technology; Smart card has tangible miniaturization development trend; It can provide be used to that to carry the space of receiving antenna very limited, therefore very little usually based on the area such as first coil 102 of intelligent microSD card, it often can not satisfy the needs of proper communication with the be coupled energy that obtained of transmitting terminal.According to embodiment shown in Figure 1, second coil 103 also is provided in the receiving end assembly of the utility model, itself and first coil 102 form receiving antennas jointly.
Second coil 103 is arranged near said first coil 102 and can be coupled with these first coil, 102 magnetic.Obviously, this second coil 103 also must be coupled with the emitting antenna (coil) of NFC Non-contact Media Reader equipment.According to the utility model, this second coil 103 adopts SMD structure too, and its area is greater than the occupied area of first coil 102.This second coil can preferably be disposed in first coil, 102 residing parallel plane another planes on, promptly first and second coils are arranged parallel to each other.In addition, make the projection of 103 area surrounded of second coil on first coil, 102 residing planes cover said first coil fully.In Fig. 2, schematically show such layout, wherein more preferably second coil arrangement is overlapped with the axis of first coil for its axis substantially.
Second coil 103 can be looked at as the power ascension coil; Mutual inductance between itself and less first coil 102 increases the magnetic field intensity of the coil of winning; Strengthen the intensity of the signal that transmits through contactless near-field communication thus, thereby provide enough energy to guarantee the operate as normal of intelligent card chip.Just in this point, above-mentioned layout for example shown in Figure 2, second coil 103 can more effectively be guaranteed good magnetic coupling effect and energy transmission efficiency.
Fig. 3 a schematically shows the part according to the receiving end assembly that is used for near-field communication of second embodiment of the utility model; Fig. 3 b shows the equivalent electrical circuit of part shown in Fig. 3 a.
Shown in Fig. 3 a, increased the resonant capacitor 302 of connecting in the receiving end assembly according to second embodiment of the utility model, thereby formed the series resonant circuit among Fig. 3 b with second coil 301.The capacitance of the inductance value of second coil 301 and electric capacity 302 should satisfy following resonance formula:
Figure DEST_PATH_IMAGE001
F wherein 0Be resonance frequency, π is the circular constant constant, and L is the inductance value of coil, and C is the resonant capacitance amount.
In the application of contactless near-field communication; The inductance of this series connection and electric capacity should be adjusted to the tuning-points place that is operated in 13.56 MHz; Can more efficiently signal energy be coupled on it through the mutual inductance parameter with first coil thus, thereby the signal of 13.56 MHz resonance frequencies is played amplification.In order effectively to control the thickness of this part assembly, the resonant capacitance 302 and second coil 301 can be arranged to and be in same plane substantially.For instance; Can realize electric capacity 302 in insulating medium layer both sides print copper metallic region such as the polyester material film; On a face of said insulating medium layer, print second coil 301 simultaneously; Through wiring the one of which end is linked to each other with an end of electric capacity 302, and its other end is linked to each other with the other end of electric capacity 302, form the resonant circuit shown in Fig. 3 b thus through punching.
Fig. 4 schematically shows the embodiment of the receiving equipment that is used for near-field communication that the utility model provides.Generally speaking, comprise the smart card slot according to the receiving equipment that is used for near-field communication of the utility model, being born with the smart card of said first coil, and the LC resonant circuit that said second coil or itself and electric capacity constitute is fixed on the shell of receiving equipment.This receiving equipment can utilize the various portable terminals that have suitable smart card slot to realize, such as mobile phone, PDA, panel computer or the like.
In the embodiment shown in fig. 4; This receiving equipment is a mobile phone 401; And above-mentioned receiving end assembly is disposed on its corresponding position; The smart card that wherein has first coil partly be inserted into mobile phone with the smart card slot in, the LC resonant circuit that second coil or itself and electric capacity constitute then is fixed on the inside surface of cell phone rear cover 402, this part may be implemented as the form of paster.Mobile phone 401 according to the utility model can communicate according to orientation shown in Figure 4 and card reader 403; But be understood that; Even the positive face card reader 403 of mobile phone 401, the receiving end assembly that the utility model provided also can play the effect that strengthens communication.
With regard at present common mobile phones design, said smart card can adopt intelligent microSD card.This design can make the near field pay the security module of intelligent chip in the shared SD card, when guaranteeing remote payment, realizes the mobile near field payment of safe and convenient.For mobile phone with intelligent microSD card slot, the receiving end assembly that it can both use the utility model easily and is provided.Except use instead the intelligent microSD card that is printed with said first coil and with the LC resonant circuit that the second SMD coil or itself and electric capacity constitute be fixed on cover thereafter, need not the hardware of mobile phone itself is carried out any transformation.In addition, owing to adopted passive device, even when mobile phone does not have electricity, also can realize safe near field payment.
What should explain is, above embodiment is only in order to the technical scheme of explanation the utility model but not limit it.Although the utility model has been carried out detailed explanation with reference to above-mentioned embodiment; Those of ordinary skill in the art is to be understood that; Still can make amendment or the part technical characterictic is equal to replacement and does not break away from the essence of the utility model the embodiment of the utility model, it all be encompassed in the scope that the utility model asks for protection.

Claims (14)

1. a receiving end assembly that is used for near-field communication is characterized in that, said receiving end assembly comprises:
Smart card;
Be arranged in first coil on the said smart card; And
Near said first coil and with magnetic-coupled second coil of said first coil, wherein
The area of said second coil is greater than the area of said first coil.
2. receiving end assembly as claimed in claim 1; It is characterized in that; Wherein said second coil be disposed in another parallel substantially plane of the residing plane of said first coil on, and the projection of said second coil institute's area surrounded on the residing plane of said first coil covers said first coil fully.
3. receiving end assembly as claimed in claim 1 is characterized in that, said receiving end assembly also comprises connecting with said second coil and forms the electric capacity of LC resonant circuit.
4. receiving end assembly as claimed in claim 3 is characterized in that, wherein said electric capacity and said second coil are arranged to and are in same plane substantially.
5. receiving end assembly as claimed in claim 1 is characterized in that, wherein said first coil be arranged to said smart card in the antennal interface of chip directly link to each other.
6. receiving end assembly as claimed in claim 1 is characterized in that, wherein said smart card is intelligent SD card or SIM.
7. a receiving equipment that is used for near-field communication is characterized in that, wherein said receiving equipment comprises:
The receiving end assembly that is used for near-field communication; Said receiving end assembly comprises smart card, be arranged on the said smart card first coil and near said first coil and with magnetic-coupled second coil of said first coil, the area of wherein said second coil is greater than the area of said first coil;
Be used to carry the smart card slot of said smart card;
Wherein said second coil is fixed on the shell of said receiving equipment.
8. receiving equipment as claimed in claim 7; It is characterized in that; Wherein said second coil be disposed in another parallel substantially plane of the residing plane of said first coil on, and the projection of said second coil institute's area surrounded on the residing plane of said first coil covers said first coil fully.
9. receiving equipment as claimed in claim 7 is characterized in that, said receiving end assembly also comprises connecting with said second coil and forms the electric capacity of LC resonant circuit.
10. receiving equipment as claimed in claim 7 is characterized in that, wherein said electric capacity and said second coil are arranged to and are in same plane substantially.
11. receiving equipment as claimed in claim 7 is characterized in that, wherein said first coil is arranged to the antennal interface of said smart card and directly links to each other.
12. receiving equipment as claimed in claim 7 is characterized in that, wherein said smart card is intelligent SD card or SIM.
13. receiving equipment as claimed in claim 7 is characterized in that, wherein said receiving equipment is a mobile phone, and said second coil is fixed on the bonnet of said mobile phone.
14. receiving equipment as claimed in claim 9 is characterized in that, wherein said receiving equipment is a mobile phone, and said LC resonant circuit is fixed on the bonnet of said mobile phone.
CN2011205254769U 2011-12-15 2011-12-15 Receiving terminal component for near field communication and receiving equipment comprising same Expired - Lifetime CN202404630U (en)

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CN2011205254769U CN202404630U (en) 2011-12-15 2011-12-15 Receiving terminal component for near field communication and receiving equipment comprising same
PCT/CN2012/086557 WO2013086997A1 (en) 2011-12-15 2012-12-13 Receiver-side component for use in near field communication and receiver device comprising the component
TW101224317U TWM459635U (en) 2011-12-15 2012-12-14 Receiving end elements for near field communication and receiving device comprising the same

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Application Number Priority Date Filing Date Title
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WO2013086997A1 (en) * 2011-12-15 2013-06-20 中国银联股份有限公司 Receiver-side component for use in near field communication and receiver device comprising the component
CN103679931A (en) * 2012-09-07 2014-03-26 中国移动通信集团贵州有限公司 Radio frequency signal transmission circuit, non-contact payment terminal and non-contact payment method
CN104517079A (en) * 2013-10-03 2015-04-15 咏嘉科技股份有限公司 micro memory card with antenna
CN106788616A (en) * 2016-12-22 2017-05-31 上海安费诺永亿通讯电子有限公司 A kind of wireless charging and near field communication means suitable for mobile terminal
TWI585690B (en) * 2016-04-15 2017-06-01 九齊科技股份有限公司 Wireless radio frequency apparatus and tag detection method thereof
CN107221738A (en) * 2016-03-21 2017-09-29 三星电子株式会社 For the antenna of near-field communication, annex and the electronic equipment including it
US10289142B2 (en) 2011-02-01 2019-05-14 Fu Da Tong Technology Co., Ltd. Induction type power supply system and intruding metal detection method thereof
US10312748B2 (en) 2011-02-01 2019-06-04 Fu Da Tong Techology Co., Ltd. Signal analysis method and circuit
TWI663806B (en) * 2018-02-12 2019-06-21 富達通科技股份有限公司 Supplying-end module of induction type power supply system and signal detection method using the same
US10686331B2 (en) 2011-02-01 2020-06-16 Fu Da Tong Technology Co., Ltd. Signal modulation method and signal rectification and modulation device
US10951063B2 (en) 2011-02-01 2021-03-16 Fu Da Tong Technology Co., Ltd. Supplying-end module of induction type power supply system and signal detection method thereof
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CN201215827Y (en) * 2008-07-08 2009-04-01 英华达(上海)电子有限公司 NFC antenna for handhold device and handhold device comprising the NFC antenna
CN101577361A (en) * 2009-06-01 2009-11-11 中兴通讯股份有限公司 Method for manufacturing near field communication (NFC) terminal and antenna thereof
CN202404630U (en) * 2011-12-15 2012-08-29 中国银联股份有限公司 Receiving terminal component for near field communication and receiving equipment comprising same

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US10951063B2 (en) 2011-02-01 2021-03-16 Fu Da Tong Technology Co., Ltd. Supplying-end module of induction type power supply system and signal detection method thereof
US10289142B2 (en) 2011-02-01 2019-05-14 Fu Da Tong Technology Co., Ltd. Induction type power supply system and intruding metal detection method thereof
US10312748B2 (en) 2011-02-01 2019-06-04 Fu Da Tong Techology Co., Ltd. Signal analysis method and circuit
US11128180B2 (en) 2011-02-01 2021-09-21 Fu Da Tong Technology Co., Ltd. Method and supplying-end module for detecting receiving-end module
US10686331B2 (en) 2011-02-01 2020-06-16 Fu Da Tong Technology Co., Ltd. Signal modulation method and signal rectification and modulation device
WO2013086997A1 (en) * 2011-12-15 2013-06-20 中国银联股份有限公司 Receiver-side component for use in near field communication and receiver device comprising the component
CN103679931A (en) * 2012-09-07 2014-03-26 中国移动通信集团贵州有限公司 Radio frequency signal transmission circuit, non-contact payment terminal and non-contact payment method
CN104517079A (en) * 2013-10-03 2015-04-15 咏嘉科技股份有限公司 micro memory card with antenna
CN104517079B (en) * 2013-10-03 2017-10-24 咏嘉科技股份有限公司 Micro memory card with antenna
CN107221738A (en) * 2016-03-21 2017-09-29 三星电子株式会社 For the antenna of near-field communication, annex and the electronic equipment including it
CN107221738B (en) * 2016-03-21 2020-02-28 三星电子株式会社 Antenna for near field communication, accessory and electronic device comprising same
TWI585690B (en) * 2016-04-15 2017-06-01 九齊科技股份有限公司 Wireless radio frequency apparatus and tag detection method thereof
CN106788616A (en) * 2016-12-22 2017-05-31 上海安费诺永亿通讯电子有限公司 A kind of wireless charging and near field communication means suitable for mobile terminal
TWI663806B (en) * 2018-02-12 2019-06-21 富達通科技股份有限公司 Supplying-end module of induction type power supply system and signal detection method using the same

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TWM459635U (en) 2013-08-11

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