CN102544730A - Magnetic core antenna, SIM (subscriber identity module) card and mobile communication terminal - Google Patents
Magnetic core antenna, SIM (subscriber identity module) card and mobile communication terminal Download PDFInfo
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- CN102544730A CN102544730A CN2011104440562A CN201110444056A CN102544730A CN 102544730 A CN102544730 A CN 102544730A CN 2011104440562 A CN2011104440562 A CN 2011104440562A CN 201110444056 A CN201110444056 A CN 201110444056A CN 102544730 A CN102544730 A CN 102544730A
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Abstract
The invention is applicable to the field of radiofrequency communication and provides a magnetic core antenna, an SIM (subscriber identity module) card and a mobile communication terminal. The magnetic core antenna comprises a main magnetic core, a first antenna coil and an auxiliary magnetic core unit, wherein the first antenna coil is disposed on the main magnetic core, the auxiliary magnetic core unit is connected with one end of the main magnetic core, the auxiliary magnetic core unit includes n auxiliary magnetic cores connected in sequence, n is a natural number larger than or equal to one, and an integration of the main magnetic core and the auxiliary magnetic core unit is bent. The magnetic core antenna comprises the main magnetic core and one or more auxiliary magnetic cores connected with the end of the main magnetic core, the integrated magnetic core antenna is bent, and accordingly, signal receiving direction of the magnetic core antenna is unlimited, and the magnetic core antenna is flexible and convenient in use. In addition, the magnetic core antenna occupies small area and is convenient in miniaturization.
Description
Technical field
The invention belongs to field of radio frequency communication, relate in particular to a kind of magnetic core antenna, SIM and mobile communication terminal.
Background technology
NFC (Near Field Communication, close range wireless communication) is a kind of non-contact automatic identification technology, and NFC becomes the mainstream technology that moves non-contact application gradually at present; The NFC label antenna adopts the Wound-rotor type antenna, and also different according to the number of turns of the different coilings of demand, its area is relatively large on the whole; The NFC label antenna is identical with the structure of NFC card reader antenna.Shown in Figure 1A, the strongest perpendicular to the electromagnetic signal of antenna plane direction 3 when the work of card reader and NFC label, the electromagnetic signal of direction 4 a little less than; Relatively good in order to guarantee the exchanges data between NFC label and the card reader; Must be with the card reader antenna the strongest regional quadrature of electromagnetic signal or quadrature roughly when when work, its forceful electric power magnetic signal zone was with the work of NFC label antenna; Be that place with 2 parallel placements of card reader antenna plane or almost parallel on NFC label plane 1; And NFC label plane 1 to be placed on card reader antenna plane 2 just above or just below, could accomplish exchanges data smoothly.
Non-parallel between NFC label plane 1 and card reader antenna plane 2, but at an angle during α, shown in Figure 1B, when particularly angle was big, the exchanges data effect between NFC label and the card reader was relatively poor, even can not carry out exchanges data; In addition, shown in Fig. 1 C, when 1 front, NFC label plane, back, the left side or the right, can not carry out swap data between NFC label and the card reader on card reader antenna plane 2.
In sum; The NFC label must or almost parallel parallel with card reader antenna; And be in directly over it or under could accomplish exchanges data effectively, i.e. NFC label horizontal positioned, exchanges data is the most smooth during perpendicular to card reader antenna electromagnetism peak signal direction.This NFC label has tangible directivity requirement to the NFC label antenna in use; This has limited the flexibility that the NFC label uses; Thereby the multi-faceted use of payment mechanism is restricted; Cause the payment mechanism exchanges data dumb, and the shared area Shanghai Communications University of existing NFC label antenna, be unfavorable for NFC label miniaturization needs.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of magnetic core antenna, and being intended to solve existing NFC label antenna must or almost parallel parallel with card reader antenna, and be in directly over it or under could accomplish exchanges data; Make the NFC label antenna that tangible directivity requirement arranged, cause restricted, the inflexible problem of its use.
The embodiment of the invention is achieved in that a kind of magnetic core antenna, comprising: main magnetic core; Be arranged at first aerial coil on the said main magnetic core; And the auxiliary magnetic core unit that is connected with the end of an end of said main magnetic core; Said auxiliary magnetic core unit comprises n auxiliary magnetic core that connects successively, and said n is the natural number more than or equal to 1; The integral body that said main magnetic core and said auxiliary magnetic core unit constitute is bending.
Further, said auxiliary magnetic core unit becomes angle to be connected with said main magnetic core or arc connects.
The purpose of the embodiment of the invention also is a kind of magnetic core antenna is provided, and comprising: main magnetic core; Be arranged at first aerial coil on the said main magnetic core; And two auxiliary magnetic core unit that are connected with the end at the two ends of said main magnetic core respectively; Each auxiliary magnetic core unit comprises n auxiliary magnetic core that connects successively, and said n is the natural number more than or equal to 1; The integral body that any auxiliary magnetic core unit in said main magnetic core and said two the auxiliary magnetic core unit constitutes is bending.
Further, an auxiliary magnetic core unit becomes angle to be connected or the arc connection with the end of an end of said main magnetic core; Another auxiliary magnetic core unit becomes angle to be connected with the end of the other end of said main magnetic core or arc connects.
Further, said main magnetic core or said auxiliary magnetic core are linear pattern, camber, bending type, Y type or X type.
Further, said auxiliary magnetic core is provided with second aerial coil; Said second aerial coil and said first aerial coil are connected in series or are connected in parallel.
Further, said magnetic core antenna is operated on the 13.56MHZ frequency.
The purpose of the embodiment of the invention also is to provide a kind of device, and this device comprises above-mentioned magnetic core antenna.
The purpose of the embodiment of the invention also is to provide this SIM of a kind of SIM to comprise above-mentioned magnetic core antenna.
The purpose of the embodiment of the invention also is to provide a kind of mobile communication terminal, and this mobile communication terminal comprises above-mentioned SIM.
One or more auxiliary magnetic cores that the magnetic core antenna that the embodiment of the invention provides adopts main magnetic core and is connected with the end of main magnetic core, its overall structure is bending; Make that the direction of this magnetic core antenna reception signal is unrestricted, flexible and convenient to use; And this magnetic core antenna area occupied is little, is convenient to miniaturization.
Description of drawings
Fig. 1 is that the NFC label antenna that provides of prior art and the position of card reader antenna concern sketch map;
Among Figure 1A, the NFC label antenna be positioned at card reader antenna directly over;
Among Figure 1B, the NFC label antenna becomes the α angle to place with card reader antenna;
Among Fig. 1 C, the NFC label is placed on front, back, the left side or the right of card reader;
Fig. 2 is the structural representation of the magnetic core antenna that provides of first embodiment of the invention;
Fig. 3 is the sketch map that is connected between main magnetic core and the auxiliary magnetic core unit in the magnetic core antenna that provides of first embodiment of the invention; Wherein, Fig. 3 A representes to become between main magnetic core and the auxiliary magnetic core unit angle β to be connected; Fig. 3 B representes that camber is connected between main magnetic core and the auxiliary magnetic core unit;
Fig. 4 is the main magnetic core that provides of first embodiment of the invention and the structural representation of auxiliary magnetic core; Wherein, magnetic core is a linear pattern among the figure (a); Magnetic core is a bending type among the figure (b); Magnetic core is the Y type among the figure (c); Magnetic core is the X type among the figure (d); Magnetic core is the combination of linear pattern and X type among the figure (e); Magnetic core is an arc among the figure (f); Magnetic core is arc and linear combination among the figure (g); Magnetic core is the combination of arc and bending type among the figure (h); Magnetic core is the combination of arc and X type among the figure (i); Magnetic core is the combination of arc and arc among the figure (k);
Fig. 5 is the structural representation of the magnetic core antenna that provides of second embodiment of the invention;
Fig. 6 is that the SIM that provides of the embodiment of the invention and the position of card reader concern sketch map;
Fig. 7 is that the position of SIM and card reader concerns sketch map in the mobile phone that provides of the embodiment of the invention.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Fig. 2 shows the structure of the magnetic core antenna that first embodiment of the invention provides, and for the ease of explanation, only shows the part relevant with the embodiment of the invention, and details are as follows:
Magnetic core antenna comprises: main magnetic core 5, first aerial coil 51 and auxiliary magnetic core unit 6; Wherein first aerial coil 51 is arranged on the main magnetic core 5; Auxiliary magnetic core unit 6 is connected with the end of an end of main magnetic core 5; Auxiliary magnetic core unit 6 comprises n auxiliary magnetic core that connects successively, and n is the natural number more than or equal to 1; Auxiliary magnetic core unit 6 is bending with the integral body that main magnetic core 5 constitutes.Main magnetic core 5 must have certain bending with auxiliary magnetic core unit 6 in this magnetic core antenna, and its overall structure is bending, and this auxiliary magnetic core unit 6 effect in magnetic core antenna is to strengthen magnetic flux.In addition, adopt the said structure can be, thereby reduced the gross area of NFC label so that the residing area of antenna diminishes in the NFC label.Need to prove that in embodiments of the present invention main magnetic core and auxiliary magnetic core unit all are relative notions, main magnetic core and auxiliary magnetic core unit can exchange.
In first embodiment of the invention, can become angle to be connected between auxiliary magnetic core unit 6 and the main magnetic core 5, the angle β between main magnetic core 5 and the auxiliary magnetic core unit 6 can be right angle, acute angle or obtuse angle; Shown in Fig. 3 A, the scope of angle β: 0＜β＜180 ° or 180 °＜β＜360 °; Can also be connected by camber between auxiliary magnetic core unit 6 and the main magnetic core 5, shown in Fig. 3 B.
In embodiments of the present invention, main magnetic core 5 can be linear pattern, camber, bending type, Y type or X type; In order to adapt to the different terminal structure, auxiliary magnetic core unit 6 can be the combination of the one or any kind in linear pattern magnetic core, camber magnetic core, bending type magnetic core, Y type magnetic core or the X type magnetic core.When magnetic core is linear pattern, can select cylinder magnetic core or cuboid magnetic core for use; When magnetic core is camber, can select the ellipsoid magnetic core for use.Fig. 4 shows the main magnetic core that the embodiment of the invention provides and the structure of auxiliary magnetic core; Particularly: magnetic core is a linear pattern among the figure (a); Magnetic core is a bending type among the figure (b); Magnetic core is the Y type among the figure (c); Magnetic core is the X type among the figure (d); Magnetic core is the combination of linear pattern and X type among the figure (e); Magnetic core is an arc among the figure (f); Magnetic core is arc and linear combination among the figure (g); Magnetic core is the combination of arc and bending type among the figure (h); Magnetic core is the combination of arc and X type among the figure (i); Magnetic core is the combination of arc and arc among the figure (k).
In embodiments of the present invention; Different in order to adapt to magnetic core antenna installation site in its operative installations, help electromagnetic signal transmission, thereby reach better effect; On auxiliary magnetic core unit 6, can be provided with second aerial coil 61; Particularly, aerial coil can be all be provided with on the auxiliary magnetic core unit 6, also aerial coil can be partly be provided with.As one embodiment of the present of invention, according to concrete application scenario needs, second aerial coil 61 and first aerial coil 51 can be connected in series, and also can be connected in parallel.
In embodiments of the present invention, also aerial coil can be set on the auxiliary magnetic core unit 6; When not having aerial coil on the auxiliary magnetic core unit 6; 6 the media in this auxiliary magnetic core unit as the Conducted Electromagnetic signal; Electromagnetic signal is more a lot of than in air, getting well at the laser propagation effect of auxiliary magnetic core unit 6; Auxiliary magnetic core unit 6 plays the important function of guiding electromagnetic signal transmission, makes that transmission speed is fast, density is big, and loss is low.
Fig. 5 is the structural representation of the magnetic core antenna that provides of second embodiment of the invention; For the ease of explanation, only show the part relevant with the embodiment of the invention, details are as follows:
Magnetic core antenna comprises: main magnetic core 5, first aerial coil 51 and auxiliary magnetic core unit 6; Wherein first aerial coil 51 is arranged on the main magnetic core 5; Auxiliary magnetic core unit 6 is connected with the end at the two ends of main magnetic core 5 respectively with 7; Auxiliary magnetic core unit 6 and 7 includes n auxiliary magnetic core that is connected successively, and n is the natural number more than or equal to 1; Main magnetic core 5 is bending with the integral body that auxiliary magnetic core unit 6 constitutes; Main magnetic core 5 also is bending with the integral body that auxiliary magnetic core unit 7 constitutes.
In second embodiment of the invention, can become angle to be connected between the end of auxiliary magnetic core unit 6 and an end of main magnetic core 5, also can connect by arc; Can become angle to be connected between the end of auxiliary magnetic core unit 7 and the other end of main magnetic core 5, also can connect by camber.
Unique difference of the second embodiment of the invention and first embodiment is on the basis of first embodiment, and the end of the other end of main magnetic core 5 connects another auxiliary magnetic core unit 7; The structure of auxiliary magnetic core unit 7 can be identical with the structure of auxiliary magnetic core unit 6; In order to save space, in this structure identical that repeat no more with first embodiment.
The magnetic core antenna that the embodiment of the invention provides can be applied in storage card, SIM, personal identification card, smart card or the USB flash disk; The magnetic core antenna that adopts the embodiment of the invention to provide can make and also make this magnetic core antenna direction when work have flexibility by the equipment miniaturization that comprises this magnetic core antenna simultaneously.For explanation further, as shown in Figure 6, existing be operated in the 13.56MHZ frequency, and this magnetic core antenna is installed in is example in the SIM with magnetic core antenna, details are as follows:
The axis that passes main magnetic core 5 is stronger along the electromagnetic signal on auxiliary magnetic core unit 6 path directions 52, the electromagnetic signal on the outside direction 53 of the axis of main magnetic core 5 a little less than; When antenna and the magnetic core antenna plane in SIM 7 or the SIM 7 of left and card reader 8 that card reader 8 is arranged on SIM 7 at an angle the time, can effectively carry out exchanges data between card reader 8 and the SIM 7; Thereby solved card reader in the prior art need be parallel with SIM or almost parallel just can carry out the problem of exchanges data.
The SIM that the embodiment of the invention provides can be applied in any mobile communication terminal, and is for explanation further, as shown in Figure 7; Mobile communication terminal is an example with mobile phone 9; For the ease of explanation, only show the part relevant with the embodiment of the invention, details are as follows:
But the set-up mode flexible transformation of needs magnetic core antenna in SIM according to the concrete riding position of SIM in mobile phone; The magnetic core antenna that the embodiment of the invention is provided is installed in the SIM; No matter SIM is installed in any position among A in the mobile phone, B, C or the D, and all there is stronger signal the left and right sides of magnetic core antenna.When the SIM that magnetic core antenna is housed is installed in the position shown in A or the B; Under the situation of without hindrance electromagnetic signal transmission medium around the auxiliary magnetic core; Auxiliary magnetic core directly is used for guiding the electromagnetic signal transmission, and electromagnetic signal is sent the acquired electromagnetic data exchange through main magnetic core and auxiliary magnetic core and card reader; When the SIM that magnetic core antenna is housed is installed in the position shown in C or the D; Wherein C3 and D3 represent main magnetic core; C1, C2, D1 and D2 represent auxiliary magnetic core, and auxiliary magnetic core C1, auxiliary magnetic core C2, auxiliary magnetic core D1 and auxiliary magnetic core D2 all can guide the electromagnetic signal transmission; Card reader can be when using the transmission path of the suitable electromagnetic signal of the selection of concrete environmental suitability; Under the situation of the without hindrance electromagnetic signal transmission medium of auxiliary magnetic core C1 or auxiliary magnetic core D1 next door, can preferentially select from auxiliary magnetic core C 1 and main magnetic core C3, auxiliary magnetic core D1 and main magnetic core D3 transmission electromagnetic signal; When auxiliary magnetic core C1 or auxiliary magnetic core D1 next door has under the situation that hinders the electromagnetic signal transmission medium, can select from auxiliary magnetic core C2 and main magnetic core C3, auxiliary magnetic core D2 and main magnetic core D3 or from main magnetic core C3, main magnetic core D3 and air, transmit electromagnetic signal.The SIM that will comprise above-mentioned magnetic core antenna is installed in the mobile phone 9; Make that this mobile phone 9 direction of swiping the card is flexible; Be not limited in a certain specific direction, and effect is better, when mobile phone 9 and card reader at an angle; And mobile phone 9 in the side of card reader, front, at the back, all can normally swipe the card when the left side or the right side, thereby increase the flexibility of swiping the card.
One or more auxiliary magnetic cores that the magnetic core antenna that the embodiment of the invention provides adopts main magnetic core and is connected with the end of main magnetic core, its overall structure is bending; Make that the direction of this magnetic core antenna reception signal is unrestricted, flexible and convenient to use; And this magnetic core antenna area occupied is little, is convenient to miniaturization.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a magnetic core antenna is characterized in that, comprising:
Main magnetic core;
Be arranged at first aerial coil on the said main magnetic core; And
The auxiliary magnetic core unit that is connected with the end of an end of said main magnetic core;
Said auxiliary magnetic core unit comprises n auxiliary magnetic core that connects successively, and said n is the natural number more than or equal to 1;
The integral body that said main magnetic core and said auxiliary magnetic core unit constitute is bending.
2. magnetic core antenna as claimed in claim 1 is characterized in that, said auxiliary magnetic core unit becomes angle to be connected with said main magnetic core or arc connects.
3. a magnetic core antenna is characterized in that, comprising:
Main magnetic core;
Be arranged at first aerial coil on the said main magnetic core; And
Two auxiliary magnetic core unit that are connected with the end at the two ends of said main magnetic core respectively;
Each auxiliary magnetic core unit comprises n auxiliary magnetic core that connects successively, and said n is the natural number more than or equal to 1;
The integral body that any auxiliary magnetic core unit in said main magnetic core and said two the auxiliary magnetic core unit constitutes is bending.
4. magnetic core antenna as claimed in claim 3 is characterized in that, an auxiliary magnetic core unit becomes angle to be connected or the arc connection with the end of an end of said main magnetic core; Another auxiliary magnetic core unit becomes angle to be connected with the end of the other end of said main magnetic core or arc connects.
5. like claim 2 or 4 described magnetic core antennas, it is characterized in that said main magnetic core or said auxiliary magnetic core are linear pattern, camber, bending type, Y type or X type.
6. like claim 1 or 3 described magnetic core antennas, it is characterized in that said auxiliary magnetic core is provided with second aerial coil; Said second aerial coil and said first aerial coil are connected in series or are connected in parallel.
7. like claim 1 or 3 described magnetic core antennas, it is characterized in that said magnetic core antenna is operated on the 13.56MHZ frequency.
8. a device is characterized in that, said device comprises claim 1 or 3 described magnetic core antennas.
9. a SIM is characterized in that, said SIM comprises claim 1 or 3 described magnetic core antennas.
10. a mobile communication terminal is characterized in that, said mobile communication terminal comprises the described SIM of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104440562A CN102544730A (en) | 2011-12-27 | 2011-12-27 | Magnetic core antenna, SIM (subscriber identity module) card and mobile communication terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104440562A CN102544730A (en) | 2011-12-27 | 2011-12-27 | Magnetic core antenna, SIM (subscriber identity module) card and mobile communication terminal |
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|---|---|
| CN102544730A true CN102544730A (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104440562A Pending CN102544730A (en) | 2011-12-27 | 2011-12-27 | Magnetic core antenna, SIM (subscriber identity module) card and mobile communication terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113300726A (en) * | 2021-05-21 | 2021-08-24 | 北京玖瑞科技有限公司 | Radio frequency signal sending module, data transmission system and method |
| TWI819513B (en) * | 2022-03-08 | 2023-10-21 | 緯創資通股份有限公司 | Wearable device |
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| EP0554486A1 (en) * | 1992-02-05 | 1993-08-11 | Texas Instruments Deutschland Gmbh | An HF antenna and a method of producing it and furthermore a transponder system with such an HF antenna |
| CN101405665A (en) * | 2006-03-22 | 2009-04-08 | 西铁城控股株式会社 | Antenna and radio receiver having the antenna |
| CN201867861U (en) * | 2010-12-03 | 2011-06-15 | 中山达华智能科技股份有限公司 | RFID (Radio Frequency Identification Device) multi-dimensional identification electronic tag |
| CN102257673A (en) * | 2008-12-19 | 2011-11-23 | 日立金属株式会社 | Resonant receiving antenna and reception device |
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2011
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0554486A1 (en) * | 1992-02-05 | 1993-08-11 | Texas Instruments Deutschland Gmbh | An HF antenna and a method of producing it and furthermore a transponder system with such an HF antenna |
| CN101405665A (en) * | 2006-03-22 | 2009-04-08 | 西铁城控股株式会社 | Antenna and radio receiver having the antenna |
| CN102257673A (en) * | 2008-12-19 | 2011-11-23 | 日立金属株式会社 | Resonant receiving antenna and reception device |
| CN201867861U (en) * | 2010-12-03 | 2011-06-15 | 中山达华智能科技股份有限公司 | RFID (Radio Frequency Identification Device) multi-dimensional identification electronic tag |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113300726A (en) * | 2021-05-21 | 2021-08-24 | 北京玖瑞科技有限公司 | Radio frequency signal sending module, data transmission system and method |
| CN113300726B (en) * | 2021-05-21 | 2022-09-02 | 北京玖瑞科技有限公司 | Radio frequency signal sending module, data transmission system and method |
| TWI819513B (en) * | 2022-03-08 | 2023-10-21 | 緯創資通股份有限公司 | Wearable device |
| US11870161B2 (en) | 2022-03-08 | 2024-01-09 | Wistron Corporation | Wearable device |
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Application publication date: 20120704 |