CN202217305U - Subscriber identity module (SIM) card and radio frequency (RF) identification system thereof - Google Patents
Subscriber identity module (SIM) card and radio frequency (RF) identification system thereof Download PDFInfo
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- CN202217305U CN202217305U CN2011202174156U CN201120217415U CN202217305U CN 202217305 U CN202217305 U CN 202217305U CN 2011202174156 U CN2011202174156 U CN 2011202174156U CN 201120217415 U CN201120217415 U CN 201120217415U CN 202217305 U CN202217305 U CN 202217305U
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- sim
- sheet metal
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Abstract
The utility model discloses a subscriber identity module (SIM) card and a radio frequency (RF) identification system thereof, comprising a signal sensing and receiving module, a SIM card main control module, a RF transceiving module and a super-material RF antenna, wherein the super-material RF antenna comprises a medium base plate provided with a first surface and a second surface which are opposite to each other, and a feeder line and a first metal piece that are arranged on the first surface of the medium base plate; the feeder line is fed in the first metal piece in a coupling way; and a micro-groove structure is formed on the first metal piece. The super-material RF antenna is applied in the RF SIM card, the size of the super-material RF antenna is not limited by electromagnetic wavelength, and an impedance matching network is not needed to be additionally configured, so that the super-material RF antenna can be more easily integrated on the SIM card; and excellent performance and small size of the super-material RF antenna can be still maintained within the operating frequency range of the SIM card.
Description
Technical field
The utility model relates to the mobile payment field, relates in particular to a kind of SIM and radio-frequency recognition system thereof.
Background technology
Along with the variation with rapid changepl. never-ending changes and improvements of expanding economy and infotech, China has the number of the equipment that mobile phone etc. can communicate by letter to reach 700,000,000.But in communication facilities, adding payment function can reduce the inconvenience that people carry one's purse along and make people enjoy the convenient of payment whenever and wherever possible; Therefore; Mobile payment receives increasing attention, and in a foreseeable future has wide business development space.
At present existing on SIM the integrated RF recognition function all have a problem with the SIM of realizing mobile payment: be used to receive and the antenna that transmits bigger, can not adapt to the requirement of SIM miniaturization.Theoretical according to traditional antenna, antenna is of a size of 1/4th of required response electromagnetic wavelength, and therefore according to the antenna of traditional theory design, its size is limited by electromagnetic wavelength, can not free adjustment.Have a solution in the prior art, be about to antenna and be arranged at outside the SIM module, for example be arranged on the phone housing, but this kind way when having increased mobile phones design undoubtedly cost and be arranged at the outer antenna of SIM module and also damage easily.
The utility model content
The utility model technical matters to be solved is, to the above-mentioned deficiency of prior art, propose a kind of be integrated with size do not receive the electromagnetic wavelength restriction and more the ultra material radio-frequency antenna of miniaturization SIM and have the radio-frequency recognition system of this SIM.
The utility model solves the technical scheme that its technical matters adopted; A kind of SIM is proposed; It comprises: induction of signal and receiver module, SIM main control module, RF receiving and transmission module; Also comprise ultra material radio-frequency antenna; Said SIM main control module is handled the signal that said induction of signal and receiver module receive, and the instruction and data of said SIM main control module sends through said ultra material radio-frequency antenna through said RF receiving and transmission module conversion back, and said RF receiving and transmission module also receives the instruction and data of external unit through said ultra material radio-frequency antenna and transfers to said SIM main control module and handle; Said ultra material radio-frequency antenna comprises the medium substrate with relative first surface and second surface; Be arranged at the feeder line and first sheet metal of said medium substrate first surface; Said feeder line is formed with micro groove structure through said first sheet metal of coupling scheme feed-in on said first sheet metal.
Further, said SIM also comprises card substrate, and said induction of signal and receiver module, said SIM main control module, said RF receiving and transmission module and the equal one of said ultra material radio-frequency antenna are packaged in the said card substrate.
Further, said micro groove structure comprises complementary split ring resonator structure, complementary helix structure, opening helical ring structure, two opening helical ring structure or complementary folding line structure.
Further, but be provided with the short circuit point between said feeder line and said first sheet metal, but said short circuit point is electrically connected said feeder line and said first sheet metal makes said feeder line with said first sheet metal of inductive coupled mode feed-in.
Further, said micro groove structure through etching, bore quarter, photoetching, electronics is carved or ion is carved and is formed on said first sheet metal.
Further, said medium substrate second surface is provided with second sheet metal, and said second sheet metal is electrically connected with said first sheet metal.
Further, be formed with plated-through hole on the said medium substrate, said first sheet metal and said second sheet metal are electrically connected through said plated-through hole.
Further, said SIM also comprises interface module, and said interface module is electrically connected with said SIM main control module and makes said SIM through said interface module and portable terminal swap data.
Further: said portable terminal uses the mobile phone of GSM, CDMA, 3G or 4G communication network.
The utility model also provides a kind of radio-frequency recognition system, comprises reader and transponder, and said transponder is above-mentioned any described SIM.
The utility model will surpass the material radio-frequency antenna and be applied in the radio-frequency SIM card; Because ultra material radio-frequency antenna size is not subject to electromagnetic wavelength and does not need the additional configuration impedance matching network; Make this antenna more easy of integration on the SIM, and this antenna still keeps good performance and small-sized size at the SIM working frequency range.
Description of drawings
Fig. 1 is a ultra material radio-frequency antenna structural representation on the utility model SIM;
Fig. 2 a is the synoptic diagram of complementary split ring resonator structure;
Fig. 2 b is depicted as the synoptic diagram of complementary helix structure;
Fig. 2 c is depicted as the synoptic diagram of opening helical ring structure;
Fig. 2 d is depicted as the synoptic diagram of two opening helical ring structures;
Fig. 2 e is depicted as the synoptic diagram of complementary folding line structure;
Fig. 3 a is the synoptic diagram of deriving of complementary its geometric configuration of split ring resonator structure shown in Fig. 2 a;
Fig. 3 b is the synoptic diagram of deriving of complementary its expansion of split ring resonator structure shown in Fig. 2 a;
Fig. 4 a is the structural representation behind the complementary split ring resonator structure shown in three Fig. 2 a compound;
Fig. 4 b is the compound synoptic diagram that the complementary split ring resonator structure shown in two Fig. 2 a and Fig. 5 b are depicted as complementary helix structure;
Fig. 5 is the structural representation after the complementary split ring resonator structural group battle array shown in four Fig. 2 a;
Fig. 6 is the structured flowchart of the utility model SIM.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model technical scheme is further described.
As shown in Figure 6, Fig. 6 is the structured flowchart of the utility model SIM.Among Fig. 6, SIM comprises induction of signal and receiver module 101, SIM main control module 102, RF receiving and transmission module 103, ultra material radio-frequency antenna 104 and interface module 105.In the present embodiment, the equal one of above-mentioned each module is packaged in the SIM card substrate 100.Can imagine ground,, can also part of module be arranged on the apparent surface of SIM card substrate 100 that other modules are arranged at card substrate 100 inside for making the space compact more.
Induction of signal and receiver module 101 inductions and the outside signal of reception; Be generally magnetic signal; And this signal is transferred to SIM main control module 102; SIM main control module 102 is judged according to the signal that receives; When needs during with external device communication, SIM main control module 102 sends instruction and data and gives RF receiving and transmission module 103, and RF receiving and transmission module 103 receives and instruction and data transformed the back behind the instruction and data that SIM main control module 102 sends and send through ultra material radio-frequency antenna 104.Simultaneously, ultra material radio-frequency antenna 104 also can receive outside electromagnetic signal and be transferred to RF receiving and transmission module 103, by being transferred to SIM main control module 102 after RF receiving and transmission module 103 conversions.In the present embodiment, SIM also comprises interface module 105, and SIM main control module 102 is through interface module 105 and portable terminal swap data.The portable terminal of the utility model can be the various cell phone apparatus that use GSM, CDMA, 3G or 4G communication network.
In the present embodiment; Induction of signal and receiver module 101, SIM main control module 102, RF receiving and transmission module 103 and interface module 105 all can be used conventional prior art; Its inner structure and working method are conventionally known to one of skill in the art; And not the main utility model technical essential of the utility model, therefore do not do detailed description at this.
The radio frequency standard that is applied to the mobile payment field is generally the low frequency frequency, and for example 13.56MHZ or 2.4GHZ can work in low frequency in order to make SIM, and the effect of antenna is particularly important.Yet according to the traditional antenna design proposal, the length of antenna is directly proportional with wavelength, and frequency is low more, thereby the longer antenna volume that causes of wavelength is big more.According to the traditional antenna design proposal, frequency of operation is an example with 13.56MHZ or 2.4GHZ still, and the thickness of antenna and length are all bigger, are difficult to be implemented in the application on the SIM.And, generally also need increase impedance matching network in the traditional antenna design proposal in order to guarantee the high-performance of antenna.
Ultra material is to be arranged on the base material and to be constituted by the artificial microstructure with certain pattern form, has different electromagnetic responses thereby the different pattern form of artificial microstructure makes ultra material have different specific inductive capacity with dimensional structure with the feasible ultra material of different magnetic permeabilities.Wherein, When this artificial microstructure is in resonance band; This artificial microstructure will show the dispersion characteristics of height, and the dispersion characteristics of so-called height are meant the impedance of this artificial microstructure, hold perception, equivalent specific inductive capacity and magnetic permeability be along with violent variation can take place frequency.
The above-mentioned principle of the ultra material of the utility model utilization; Design a kind of ultra material radio-frequency antenna; It is formed at micro groove structure on first sheet metal, saves the design of impedance matching network and makes the size of antenna not be subject to the electromagnetic wavelength of required response to realize the miniaturization of antenna thereby the coupling of this first sheet metal and feeder line makes antenna have abundant radiation characteristic.
The core of the utility model is ultra material radio-frequency antenna, below describes the ultra material radio-frequency antenna of the utility model in detail.
As shown in Figure 1; The said ultra material radio-frequency antenna of the utility model comprises medium substrate 1; Said medium substrate 1 has opposite first and second surface; The feeder line 10 that the first surface of said medium substrate is provided with first sheet metal 20 and is provided with around first sheet metal 20, said first sheet metal 20 is formed with micro groove structure 201.The second surface of said medium substrate is provided with second sheet metal 30, and said second sheet metal 30 is electrically connected with first sheet metal 20.In the utility model, said second sheet metal 30 is electrically connected through plated-through hole 40 with first sheet metal 20, can certainly adopt lead to connect.
The micro groove structure 201 of the utility model can be the complementary helix structure shown in the complementary split ring resonator structure shown in Fig. 2 a, Fig. 2 b, a kind of in the two opening helical ring structures shown in the opening helical ring structure shown in Fig. 2 c, Fig. 2 d, the complementary folding line structure shown in Fig. 2 e or through several kinds of structures in front derive, compound or a micro groove structure that the group battle array obtains.Derive and be divided into two kinds; A kind of is that geometric configuration is derived; Another kind is that expansion is derived, and the geometric configuration is here derived and is meant that function class derives like, variform structure, is for example derived to class of a curve structure, triangle class formation and other different polygon class formation by the square frame class formation; The expansion is here derived and promptly on the basis of Fig. 2 a to Fig. 2 e, is offered new groove to form new micro groove structure; Complementary split ring resonator structure with shown in Fig. 2 a is an example, and Fig. 3 a is its geometric configuration synoptic diagram of deriving, and Fig. 3 b is its geometric configuration synoptic diagram of deriving.Compound being meant here, a plurality of stacks of the micro groove structure of Fig. 2 a to Fig. 2 e form a new micro groove structure, shown in Fig. 4 a, are the structural representation of the complementary split ring resonator structure shown in three Fig. 2 a after compound; Shown in Fig. 2 b, be that the complementary split ring resonator structure shown in two Fig. 2 a and Fig. 2 b are depicted as the common structural representation after compound of complementary helix structure.The group battle array here is meant the micro groove structure that is formed an integral body by the micro groove structure array on same sheet metal shown in a plurality of Fig. 2 a to Fig. 2 e, and is as shown in Figure 5, is the structural representation after a plurality of complementary split ring resonator structural group battle arrays shown in Fig. 2 a.This paper is that example is set forth the utility model with the opening helical ring structure shown in Fig. 2 c all.
In addition, in the utility model, medium substrate 1 can be processed by stupalith, macromolecular material, ferroelectric material, ferrite material or ferromagnetic material.Preferably, being processed by macromolecular material, can be macromolecular materials such as FR-4, F4B particularly.
In the utility model, the processing and manufacturing of ultra material radio-frequency antenna as long as satisfy the design concept of the utility model, can be adopted various manufactures.Prevailing method is to use the manufacturing approach of all kinds of printed circuit board (PCB)s (PCB), and certainly, the PCB of double-sided copper-clad makes the processing request that also can satisfy the utility model.Remove this processing mode; Can also introduce other manufacturing process according to the needs of reality; (RFID is the abbreviation of Radio Frequency Identification such as RFID; Be REID, be commonly called as electronic tag) but in the processing mode that makes up of processing mode and iron plate and the PCB of flexible PCB processing, iron plate antenna of employed conductive silver paste printing ink processing mode, all kinds of deformation devices.Wherein, iron plate and PCB combination processing mode is meant that the accurate processing that utilizes PCB accomplishes the processing of ultra material radio-frequency antenna micro groove structure, accomplishes other slave part with iron plate.In addition, can also process through etching, plating, brill quarter, photoetching, electronics is carved or ion is carved method.Wherein etching is more excellent manufacturing process, and its step is after designing the topological pattern of suitable micro groove structure, through etching machines, utilizes the chemical reaction of solvent and metal to get rid of the metal section and part of presetting the micro groove structure pattern on first sheet metal.
The material of above-mentioned first sheet metal can be metals such as copper, silver.Be preferably copper, copper is cheap comparatively speaking, conducts electricity very well.
The utility model also provides a kind of radio-frequency recognition system in addition, comprises reader and transponder, and said transponder is above-mentioned SIM.
Combine accompanying drawing that the embodiment of the utility model is described above; But the utility model is not limited to above-mentioned embodiment, and above-mentioned embodiment only is schematically, rather than restrictive; Those of ordinary skill in the art is under the enlightenment of the utility model; Not breaking away under the scope situation that the utility model aim and claim protect, also can make a lot of forms, these all belong within the protection of the utility model.
Claims (10)
1. SIM; Comprise induction of signal and receiver module, SIM main control module, RF receiving and transmission module; It is characterized in that: also comprise ultra material radio-frequency antenna; Said SIM main control module is handled the signal that said induction of signal and receiver module receive; The instruction and data of said SIM main control module sends through said ultra material radio-frequency antenna through said RF receiving and transmission module conversion back, and said RF receiving and transmission module also receives the instruction and data of external unit through said ultra material radio-frequency antenna and transfers to said SIM main control module and handle; Said ultra material radio-frequency antenna comprises the medium substrate with relative first surface and second surface; Be arranged at the feeder line and first sheet metal of said medium substrate first surface; Said feeder line is formed with micro groove structure through said first sheet metal of coupling scheme feed-in on said first sheet metal.
2. SIM as claimed in claim 1; It is characterized in that: said SIM also comprises card substrate, and said induction of signal and receiver module, said SIM main control module, said RF receiving and transmission module and the equal one of said ultra material radio-frequency antenna are packaged in the said card substrate.
3. according to claim 1 or claim 2 SIM, it is characterized in that: said micro groove structure comprises complementary split ring resonator structure, complementary helix structure, opening helical ring structure, two opening helical ring structure or complementary folding line structure.
4. SIM as claimed in claim 1; It is characterized in that: but be provided with the short circuit point between said feeder line and said first sheet metal, but said short circuit point is electrically connected said feeder line and said first sheet metal makes said feeder line with said first sheet metal of inductive coupled mode feed-in.
5. SIM as claimed in claim 1 is characterized in that: said micro groove structure through etching, bore quarter, photoetching, electronics is carved or ion is carved and is formed on said first sheet metal.
6. SIM as claimed in claim 1 is characterized in that: said medium substrate second surface is provided with second sheet metal, and said second sheet metal is electrically connected with said first sheet metal.
7. SIM as claimed in claim 6 is characterized in that: be formed with plated-through hole on the said medium substrate, said first sheet metal and said second sheet metal are electrically connected through said plated-through hole.
8. SIM as claimed in claim 1 is characterized in that: said SIM also comprises interface module, and said interface module is electrically connected with said SIM main control module and makes said SIM through said interface module and portable terminal swap data.
9. will remove 8 described SIMs like right, it is characterized in that: said portable terminal uses the mobile phone of GSM, CDMA, 3G or 4G communication network.
10. a radio-frequency recognition system comprises reader and transponder, it is characterized in that: said transponder is any described SIM of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202174156U CN202217305U (en) | 2011-06-24 | 2011-06-24 | Subscriber identity module (SIM) card and radio frequency (RF) identification system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202174156U CN202217305U (en) | 2011-06-24 | 2011-06-24 | Subscriber identity module (SIM) card and radio frequency (RF) identification system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202217305U true CN202217305U (en) | 2012-05-09 |
Family
ID=46016548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202174156U Expired - Lifetime CN202217305U (en) | 2011-06-24 | 2011-06-24 | Subscriber identity module (SIM) card and radio frequency (RF) identification system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202217305U (en) |
-
2011
- 2011-06-24 CN CN2011202174156U patent/CN202217305U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 518057 2, building 9, hi tech middle 1, Nanshan District high tech Zone, Shenzhen, Guangdong. Co-patentee after: Shenzhen Kuang-Chi Innovation Technology Co., Ltd. Patentee after: Shenzhen Kuang-Chi Institute of Advanced Technology Address before: 518000 software building 9, hi tech middle 1, central high tech Zone, Shenzhen, Guangdong, China. Co-patentee before: Shenzhen Kuang-Chi Innovation Technology Co., Ltd. Patentee before: Shenzhen Kuang-Chi Institute of Advanced Technology |
|
| CP02 | Change in the address of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120509 |
|
| CX01 | Expiry of patent term |