CN201383160Y - Intelligent card and coupled antenna - Google Patents
Intelligent card and coupled antenna Download PDFInfo
- Publication number
- CN201383160Y CN201383160Y CN200920107588U CN200920107588U CN201383160Y CN 201383160 Y CN201383160 Y CN 201383160Y CN 200920107588 U CN200920107588 U CN 200920107588U CN 200920107588 U CN200920107588 U CN 200920107588U CN 201383160 Y CN201383160 Y CN 201383160Y
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- antenna
- coil
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- smart card
- utility
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Abstract
The utility model provides an intelligent card and a coupled antenna, wherein the intelligent card comprises an intelligent card chip, a first antenna and a second antenna, wherein the first antenna is communicated with a card reader in non-contact, and the second antenna is communicated with the first antenna in non-contact, and is connected with antenna contacts of the intelligent card chip. The coupled antenna comprises a first antenna and a second antenna, wherein the first antenna is communicated with the card reader in non-contact, and the second antenna is communicated with the first antenna in non-contact, and is connected with the antenna contacts of the intelligent card chip. The intelligent card and the coupled antenna have simple structure, low cost and easy realization.
Description
Technical field
The utility model relates to a kind of technical field of intelligent card, refers to a kind of smart card and coupled antenna especially.
Background technology
Contact type intelligent card is compared with traditional contact intelligent card, and it as high capacity, high security etc., has overcome the unavoidable shortcoming of contact card again, as the plug-in card operating process of inconvenience in the advantage of having inherited contact card; Owing to depend on the restriction of the principle of work that card and dop reliably contact, make and read and write the failure rate height; Expose destruction that the pollution that causes, damage, wearing and tearing, static etc. causes chip etc. owing to the contact.Form that contactless card seals fully and contactless working method, make it to avoid the influence of extraneous undesirable element, thereby serviceable life is fully near natural life-span of chip, thereby the convenience of the frequency of utilization of card itself and time limit and operation all is higher than contact card greatly.Have anti-collision mechanism, the read-write facility can stick into line operate to many simultaneously, also can extract legal one in many cards and stick into line operate, and are very convenient.As seen, contact type intelligent card is not only represented card technique development crystallization for many years, also is the milestone that a new stage is brought up in the application of card again.
The implementation of contactless smart card mainly contains three kinds at present.First kind of mode is to draw antenna in the card, during the encapsulation card antenna contacts drawn the outer and external aerial coil of card and directly links to each other; The shortcoming of this mode is card and antenna one, and processing technology difficulty height is in case being connected of antenna and card damages then card and antenna have all given up.The second way is to draw antenna by 7816 contact interfaces, promptly according to the idle C4 of 7816 contact interfaces and two contacts of C8 as the antenna leading point; The shortcoming of this mode is that two of C4, C8 keep pin has been defined as high-capacity SIM card by International Standards Organization high-speed interface, exists with the future development of smart card and conflicts.The third mode is that antenna just is made in the card, promptly utilizes the interior limited space of card to make antenna; It is proper when this mode only is useful on the bigger card of the area of ID-1 specification, when being used for as the less card of the area of specifications such as ID-000, because card inner area restriction, antenna area is too little, the energy of enough card contactless can't be provided, communication signal intensity too a little less than, need amplifying circuit to strengthen poor practicability.
From above prior art analysis as can be known, the present use that does not also have a kind of very desirable contactless solution of smart card, present existing double-interface smart card implementation that its various defectives are all arranged and be unfavorable for reality.
The utility model content
The utility model provides a kind of new smart card and coupled antenna, and the utility model is simple in structure, also only needs replacing first antenna to get final product even first antenna fractures, and need not change smart card, so maintenance cost is low.And being easy to production and processing, communication signal strength is also preferable, has good practicability.
The utility model provides a kind of smart card, and described smart card comprises: intelligent card chip, and with first antenna of card reader contactless communication, with the described first antenna contactless communication and second antenna that links to each other with the antenna contacts of described intelligent card chip.
Further, above-mentioned smart card also can have following characteristics: described second antenna places in the smart card.
Further, above-mentioned smart card also can have following characteristics: described second antenna is first coil;
Described first antenna comprise be connected with second coil of card reader contactless communication, with described second coil and with the tertiary coil of the first coil contactless communication.
Further, above-mentioned smart card also can have following characteristics: described first coil and the identical and space coincidence of tertiary coil size.
Further, above-mentioned smart card also can have following characteristics: link to each other with first antenna and regulate the resonant capacitance of first antenna resonant frequency;
Further, above-mentioned smart card also can have following characteristics: link to each other with first antenna and regulate the resistance of the first antenna quality factor (Q value).
The utility model provides a smart card antenna in addition, and described smart card antenna comprises: with first antenna of card reader contactless communication, with the described first antenna contactless communication and second antenna that links to each other with the antenna contacts of intelligent card chip.
Further, above-mentioned smart card antenna also can have following characteristics: described second antenna places in the smart card.
Further, above-mentioned smart card antenna also can have following characteristics: described second antenna is first coil; Described first antenna comprise be connected with second coil of card reader contactless communication, with described second coil and with the tertiary coil of the first coil contactless communication.
Further, above-mentioned smart card antenna also can have following characteristics: described first coil and the identical and space coincidence of tertiary coil size.
Further, above-mentioned smart card antenna also can have following characteristics: also comprise the resonant capacitance that links to each other with first antenna and be used to regulate first antenna resonant frequency.
Further, above-mentioned smart card antenna also can have following characteristics: also comprise linking to each other with first antenna and being used to regulate the resistance of the first antenna quality factor.
The utility model is simple in structure, also only needs replacing first antenna to get final product even first antenna fractures, and need not change smart card, so maintenance cost is low.And being easy to production and processing, communication efficiency is preferable.Solved the defective of each implementation in the known technology by smart card antenna of the present utility model is comparatively ideal, preferable practical value has been arranged.
Description of drawings
Fig. 1 is a smart card three-dimensional structure diagram of the present utility model.
Fig. 2 is a smart card cut-open view of the present utility model.
Fig. 3 is the structural representation of the tertiary coil 103 in first antenna of the present utility model.
Fig. 4 is the synoptic diagram of the concrete annexation in the smart card shown in Figure 2.
Fig. 5 is smart card coupled antenna figure of the present utility model.
Drawing reference numeral
10 first antennas, 20 second antennas
102 second coils, 103 tertiary coils
1032 electric capacity, 1031 resistance
201 first coils, 202 chips
203 contact contacts
Embodiment
Below go through the making and the use of the present preferred embodiment of the utility model.But should be appreciated that the utility model provides many applicable devices, it can be implemented under various concrete conditions.The specific embodiment that the utility model is discussed only for the concrete mode of making and using described utility model is described, does not limit scope of the present utility model.
The utility model provides a kind of smart card, be that example describes the utility model in detail with intelligent SIM the core of the card sheet only below, but the utility model is not limited to the smart card of SIM card chip.Be illustrated in figure 1 as the three-dimensional structure diagram of the utility model smart card.Smart card of the present utility model comprises intelligent card chip 202, first antenna 10 with the card reader contactless communication, with described first antenna, 10 contactless communications and second antenna 20 that links to each other with the antenna contacts of described intelligent card chip 202, wherein, second antenna 20 is positioned at smart card, does not clearly draw.In addition, because the utility model is example with the SIM card, therefore, this smart card also comprises the contact contact 203 of 7816 standards.
Be smart card cut-open view of the present utility model as shown in Figure 2.Described second antenna 20 can place in the smart card.And described second antenna 20 can be first coil 201, and described first antenna 10 can comprise: with second coil 102 of card reader contactless communication, be connected with described second coil 102 and with the tertiary coil 103 of first coil, 201 contactless communications.
The utility model smart card can also comprise and link to each other with first antenna 10 and be used to regulate the resonant capacitance 1032 of first antenna resonant frequency and/or link to each other with first antenna 10 and be used to regulate the resistance 1031 of the first antenna quality factor.Be the structural representation of the tertiary coil 103 in first antenna 10 of the present utility model as shown in Figure 3.Wherein said electric capacity 1032, resistance 1031 can link to each other with first antenna 10 respectively, the realization that this kind connected mode is preferable to the frequency of first coil and the regulating action of quality factor.But the utility model also nonessentially has electric capacity and resistance, and this does not influence spirit of the present utility model.
Described first coil and tertiary coil size is consistent, space coincidence and spacing hour, energy transmission loss minimum, communication efficiency the best.But it is consistent with tertiary coil 103 sizes that the utility model can be not limited to first coil 201, space coincidence or spacing minimum, and one of ordinary skill in the art does not influence protection domain of the present utility model when making change.
The utility model smart card the time is that second coil 102 with first antenna 10 places in the card reader working range in work, with the card reader contactless communication, second coil 102 obtains energy by described card reader, pass to the tertiary coil 103 that is attached thereto by the electric capacity of regulating frequency and the resistance of the regulation quality factor, tertiary coil 103 is given first coil 201 with the mode transmission of power of inductive coupling again, and first coil 201 is connected with antenna contacts, can finish the read-write operation to chip thus.
Fig. 4 shows the concrete annexation in the smart card shown in Figure 2, as shown in Figure 4, the contact contact 203 of smart card comprises the contact contact of these 8 7816 standards of C1 to C8, these 8 C1, C2, C3, C5, the C7 that contact in the contact are connected with the corresponding contacts of intelligent card chip 202 respectively, and two antenna contacts La of intelligent card chip 202 link to each other with second antenna 20 respectively with Lb.
The utility model provides a smart card coupled antenna in addition, as shown in Figure 5.Described smart card coupled antenna can comprise: with first antenna 10 of card reader contactless communication, with the described first antenna contactless communication and second antenna 20 that links to each other with Lb with the antenna contacts La of intelligent card chip.
Described second antenna 20 can place in the smart card, and described second antenna 20 is first coil 201.Described first antenna 10 comprises second coil 102 with the card reader contactless communication, be connected with described second coil 102 and with the tertiary coil 103 of first coil, 201 contactless communications.
The utility model coupled antenna can also comprise and link to each other with first antenna 10 and be used to regulate the resonant capacitance 1032 of first antenna resonant frequency and/or link to each other with first antenna 10 and be used to regulate the resistance 1031 of the first antenna quality factor.Be the structural representation of the tertiary coil 103 in first antenna 10 of the present utility model as shown in Figure 3.Wherein said electric capacity 1032, resistance 1031 link to each other with first antenna 10 respectively, the realization that this kind connected mode is preferable to the frequency of first coil and the regulating action of quality factor.But the utility model also nonessentially has electric capacity and resistance, and this does not influence spirit of the present utility model.
Consistent and space coincidence of described first coil and tertiary coil size and spacing are hour; the energy transmission loss minimum; communication efficiency the best; but the utility model is not limited to first coil 201 and tertiary coil 103 sizes one make peace space coincidence or spacing minimum; one of ordinary skill in the art does not influence protection domain of the present utility model when making change.
This smart card coupled antenna the time is that second coil 102 with first antenna 10 places in the card reader working range in work, with the card reader contactless communication, second coil obtains energy by described card reader, electric capacity 1032 by regulating frequency is passed to the tertiary coil 103 that is attached thereto with the resistance 1031 of regulating the Q value, tertiary coil 103 is given first coil 201 with the mode transmission of power of inductive coupling again, and first coil 201 is connected with Lb with antenna contacts La, can finish the read-write operation to chip 202 thus.
In sum; the utility model discloses as above with preferred embodiment; right its is not in order to limit the utility model; in the art technician under any; in not breaking away from scope of the present utility model; can do some and change, therefore protection domain of the present utility model should be as the criterion with the scope that claim is defined.
Claims (11)
1. a smart card is characterized in that, comprising: intelligent card chip, with first antenna of card reader contactless communication, with the described first antenna contactless communication and second antenna that links to each other with the antenna contacts of described intelligent card chip.
2. smart card as claimed in claim 1 is characterized in that, described second antenna places in the smart card.
3. smart card as claimed in claim 1 is characterized in that, described second antenna is first coil;
Described first antenna comprise be connected with second coil of card reader contactless communication, with described second coil and with the tertiary coil of the first coil contactless communication.
4. smart card as claimed in claim 3 is characterized in that, described first coil and the identical and space coincidence of tertiary coil size.
5. smart card as claimed in claim 1 is characterized in that, also comprises: link to each other with first antenna and be used to regulate the resonant capacitance of first antenna resonant frequency.
6. smart card as claimed in claim 1 is characterized in that, also comprises: link to each other with first antenna and be used to regulate the resistance of the first antenna quality factor.
7. the coupled antenna of a smart card is characterized in that, comprising: with first antenna of card reader contactless communication, with the described first antenna contactless communication and second antenna that links to each other with the antenna contacts of intelligent card chip.
8. coupled antenna as claimed in claim 7 is characterized in that, described second antenna places in the smart card.
9. coupled antenna as claimed in claim 7 is characterized in that, described second antenna is first coil;
Described first antenna comprise be connected with second coil of card reader contactless communication, with described second coil and with the tertiary coil of the first coil contactless communication.
10 coupled antennas as claimed in claim 9 is characterized in that, described first coil and the identical and space coincidence of tertiary coil size.
11. coupled antenna as claimed in claim 9 is characterized in that, also comprises: link to each other with first antenna and be used to regulate the resonant capacitance of first antenna resonant frequency.
12. coupled antenna as claimed in claim 9 is characterized in that, also comprises: link to each other with first antenna and be used to regulate the resistance of the first antenna quality factor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920107588U CN201383160Y (en) | 2009-04-30 | 2009-04-30 | Intelligent card and coupled antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920107588U CN201383160Y (en) | 2009-04-30 | 2009-04-30 | Intelligent card and coupled antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201383160Y true CN201383160Y (en) | 2010-01-13 |
Family
ID=41526631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920107588U Expired - Lifetime CN201383160Y (en) | 2009-04-30 | 2009-04-30 | Intelligent card and coupled antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201383160Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102054197A (en) * | 2010-12-23 | 2011-05-11 | 武汉天喻信息产业股份有限公司 | Double-interface smart card and manufacturing method thereof |
| CN103930906A (en) * | 2011-08-08 | 2014-07-16 | 菲尼克斯阿美特克有限公司 | Improving coupling in and to RFID smart cards |
| CN106874985A (en) * | 2015-12-14 | 2017-06-20 | 北京握奇智能科技有限公司 | A kind of smart card operation device and operating method |
-
2009
- 2009-04-30 CN CN200920107588U patent/CN201383160Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102054197A (en) * | 2010-12-23 | 2011-05-11 | 武汉天喻信息产业股份有限公司 | Double-interface smart card and manufacturing method thereof |
| CN103930906A (en) * | 2011-08-08 | 2014-07-16 | 菲尼克斯阿美特克有限公司 | Improving coupling in and to RFID smart cards |
| CN106874985A (en) * | 2015-12-14 | 2017-06-20 | 北京握奇智能科技有限公司 | A kind of smart card operation device and operating method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100113 |
|
| CX01 | Expiry of patent term |