CN104979643A - A hand-held device with multiple near-field communication reading directions - Google Patents
A hand-held device with multiple near-field communication reading directions Download PDFInfo
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- CN104979643A CN104979643A CN201410143715.2A CN201410143715A CN104979643A CN 104979643 A CN104979643 A CN 104979643A CN 201410143715 A CN201410143715 A CN 201410143715A CN 104979643 A CN104979643 A CN 104979643A
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- field communication
- communication aerial
- hand
- aerial
- held device
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Abstract
A hand-held device with multiple near-field communication reading directions comprises more than two near-field communication antennas, of which the radio-frequency field transmission directions are different. The near-field communication antennas are separately arranged at different positions of a housing of the hand-held device and share one communication unit. Therefore, the hand-held device can carry out data exchange with an external near-field communication device through the near-field communication antennas, of which the radio-frequency field transmission directions are different, and multiple effective inductive coupling directions are provided for the hand-held device.
Description
Technical field
The present invention relates to a kind of hand-held device, particularly relate to a kind of hand-held device being provided with near-field communication (NFC) antenna of different radio frequency field transmission direction.
Background technology
Along with the development of near-field communication aerial, increasing hand-held device such as smart mobile phone, is all equipped with near-field communication aerial, enables hand-held device have the function such as electronic tag or virtual credit card.Near-field communication aerial is all arranged on the inner face of back of the body lid usually traditionally, therefore, when user wants the service carrying out such as virtual credit card, user needs the back of the body lid of hand-held device to aim at outside near field communication means, makes the near-field communication aerial of hand-held device and outside near field communication means inductively to carry out exchanges data.But, carrying out in the process of exchanges data at every turn, user allows antenna can inductively near field communication means with identical action and direction, and the use habit of each user is different from demand, if hand-held device can provide different inductively directions, then can promote the convenience in use.
In addition, part hand-held device is in order to pursue texture and the design of its entirety, and use metal back cover, although use metal back cover can strengthen the heat sinking function of hand-held device by way of parenthesis, but, for utilize inductance inductively mode and external device (ED) carry out for the near-field communication aerial of exchanges data, this also result in another interference.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of hand-held device, and its inside is provided with different near-field communication aerials, can distinguish the signal of inductively different radio frequency field transmission direction, thus provides more actual induction coupling direction to hand-held device.
To achieve these goals, the invention provides a kind of hand-held device with multiple near-field communication read direction, include communication unit, the first near-field communication aerial and the second near-field communication aerial, wherein, communication unit has input and output, and communication unit is for connecting first line in parallel and the second circuit; First near-field communication aerial is located at first line; Second near-field communication aerial is located at the second circuit, and the radiofrequency field transmission direction of the second near-field communication aerial is different from the radiofrequency field transmission direction of the first near-field communication aerial; Wherein, the equivalent inductance value between input and output and communication unit match.
Because the first near-field communication aerial of hand-held device inside and the second near-field communication aerial to be provided separately and its radiofrequency field transmission direction is different from each other, because this increasing the direction of the actual induction coupling of hand-held device, make hand-held device can carry out exchanges data with the near field communication means of outside with multi-angle.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the near-field communication aerial of the first embodiment of the present invention.
Fig. 2 is the equivalent circuit diagram from near-field communication aerial viewed from communication unit in Fig. 1.
Fig. 3 is the exploded view of the hand-held device of the first embodiment of the present invention, for illustration of the setting position of the first near-field communication aerial, the second near-field communication aerial and the 3rd near-field communication aerial.
(symbol description)
1... mobile phone
10... the first near-field communication aerial
11... carrier
12... carrier surface
20... the second near-field communication aerial
21... support
30... communication unit
40... the 3rd near-field communication aerial
50... housing
51... lid is carried on the back
52... side
60... screen
70... battery
L1, L2, L3... inductance
A... input
B... output
C1... first line
C2... the second circuit
N... near field communication means
Embodiment
In order to feature place of the present invention more can be understood, the invention provides a preferred embodiment, and accompanying drawings is as follows, please refer to Fig. 1 to Fig. 3.
The primary clustering with the hand-held device (Hand-held Devicewith Multiple NFC Reading Direction) of multiple near-field communication read direction of the present invention includes the first near-field communication aerial 10, second near-field communication aerial 20 and communication unit 30, and communication unit 30 is electrically connected with the first near-field communication aerial 10 and the second near-field communication aerial 20 simultaneously.Above-mentioned hand-held device can be other equivalent devices such as mobile phone or panel computer, and the present embodiment for mobile phone 1, and is described as benchmark forward using the screen 60 of mobile phone 1.
First please refer to Fig. 1, the first near-field communication aerial 10 is copper foil windings antenna, its around and be arranged on the carrier surface 12 of carrier 11.The central authorities of carrier surface 12 to be also provided with by coil around being formed and the 3rd near-field communication aerial 40 for mating, because the first near-field communication aerial 10 and the 3rd near-field communication aerial 40 are all arranged on carrier 11, therefore can save the confined space of mobile phone 1 inside.
Second near-field communication aerial 20 is Wound-rotor type inductive antenna, and it is centered around on bar-shaped support 21.Wherein, the second near-field communication aerial 20 is connected with the 3rd near-field communication aerial 40, and the second near-field communication aerial 20 of series connection and the 3rd near-field communication aerial 40 carry out in parallel with the first near-field communication aerial 10 again.
Communication unit 30 is near field communications chip, and it is arranged at mainboard (not shown) and goes up and have input A and output B.Because the equivalent electric circuit that near-field communication aerial is desirable is an inductance, refer to Fig. 2, Fig. 2 is the equivalent circuit diagram seeing near-field communication aerial from communication unit 30.First near-field communication aerial 10 is arranged at first line C1, and the second near-field communication aerial 20 and the 3rd near-field communication aerial 40 are arranged on the second circuit C2 in a series arrangement.Communication unit 30 is for providing signal of communication to the first near-field communication aerial 10 and the second near-field communication aerial 20 simultaneously, and by the first near-field communication aerial 10 and the second near-field communication aerial 20 by communication signal emitting to the near field communication means N (as Fig. 3) being positioned at mobile phone 1 outside, and can be used in reception first near-field communication aerial 10 or the second near-field communication aerial 20 near field communication means N input signal inductively, make mobile phone 1 can carry out exchanges data with the near field communication means N of outside actively or passively.
In the present embodiment, the inductance value of the required corresponding near-field communication aerial of communication unit 30 is 4.7 μ H.The inductance L 1 of the first near-field communication aerial 10 is 9.4 μ H, the inductance L 2 of the second near-field communication aerial 20 is 4.7 μ H, the inductance L 3 of the 3rd near-field communication aerial 40 is 4.7 μ H, and the second near-field communication aerial 20 after series connection and the summation inductance value of the 3rd near-field communication aerial 40 are 9.4 μ H.After second near-field communication aerial 20 is connected with the 3rd near-field communication aerial 40, in parallel with the first near-field communication aerial 10 again, the equivalent inductance value of the first near-field communication aerial 10 in this equivalent electric circuit is made to be regarded as 4.7 μ H, thus can match with communication unit 30, thus make communication unit 30 can drive the first near-field communication aerial 10 and the second near-field communication aerial 20 simultaneously.Such user can select according to different user demands the input signal that allows mobile phone be sent by the near field communication means N of the first near-field communication aerial 10 or the second near-field communication aerial 20 inductive coupling outside.
Please refer to Fig. 3, mobile phone 1 has assemblnig housing 50 and back of the body lid 51, and wherein, carrier 11 is arranged between back of the body lid 51 and the battery 70 of mobile phone 1, makes the radiofrequency field transmission direction of the first near-field communication aerial 10 be backward; Second near-field communication aerial 20 is connected to back of the body lid 51 on the ring wall of end face and side 52, and the longitudinal direction of support 21 is substantially perpendicular to end face, makes the radiofrequency field transmission direction of the second near-field communication aerial 20 be upwards.
Use, because the first near-field communication aerial 10 and the second near-field communication aerial 20 are the different places being arranged on mobile phone 1 inside, therefore the first near-field communication aerial 10 is different from the radiofrequency field transmission direction of the second near-field communication aerial 20.When user wants to use mobile phone 1 to carry out exchanges data with outside near field communication means N, the end face of mobile phone 1 can be aimed at outside near field communication means N by user, or the back of the body of mobile phone 1 is covered 51 back side alignment near field communication means N, such user just can select use first near-field communication aerial 10 or the second near-field communication aerial 20 and carry out exchanges data with the near field communication means N of outside.
The present invention is because can use the first near-field communication aerial 10 or the second near-field communication aerial 20 to carry out exchanges data with outside near field communication means N, and the radiofrequency field transmission direction of the two is different, therefore more actual induction coupling direction can be provided to hand-held device, make mobile phone 1 can carry out exchanges data with the near field communication means N of outside with multi-angle, and increase the convenience on using.And the first near-field communication aerial 10 and the second near-field communication aerial 20 all common user communication unit 30, therefore can save cost.
What deserves to be explained is, in the present embodiment, first near-field communication aerial 10 is as principal antenna, second near-field communication aerial 20 is as auxiliary antenna, 3rd near-field communication aerial 40 and the second near-field communication aerial 20 are because being located on carrier 11 simultaneously, make the radiofrequency field direction of the two identical, the Main Function of the 3rd near-field communication aerial 40 is to make inductance coupling.Those skilled in the art can change the inductance value of the second near-field communication aerial 20 depending on actual needs, make it equal with the first near-field communication aerial 10, and such as the two is all set to 9.4 μ H.Like this, the 3rd near-field communication aerial 40 just can omit, and can match with communication unit 30 equally.
The more important thing is, 3rd near-field communication aerial 40 also can pull out from carrier surface 12 and change the difference place being arranged on mobile phone 1 into by those skilled in the art, allow the 3rd near-field communication aerial 40 form the radiofrequency field transmission direction being different from the first near-field communication aerial 10 and the second near-field communication aerial 20, mobile phone 1 more actual induction coupling direction can be provided so more.
The present invention separately provides the second embodiment, wherein, the primary clustering of the second embodiment is roughly identical with the first embodiment, and its main difference is: the back of the body lid 51 of the second embodiment uses metal material, and carrier 11 attaches and is connected to the rear side of screen 60, such user just can by the near field communication means N of the front side alignment outside of the screen 60 of mobile phone 1 to carry out exchanges data.
It should be noted that, the position of the first near-field communication aerial 10 of the present invention and the second near-field communication aerial 20 arranges and is not limited with above-mentioned two embodiments, such as, those skilled in the art can change the second near-field communication aerial 20 into horizontal placement, make the side 52 of radiofrequency field transmission direction perpendicular to mobile phone 1 of the second near-field communication aerial 20.In addition, the second near-field communication aerial 20 also can change the coil antenna using the planar spiral-type identical with the first near-field communication aerial 10 into.
Finally, what must again illustrate is, constituent components disclosed by the present invention is in the aforementioned embodiment only and illustrates, not be used for limiting the scope of the invention, every structural change that other is easily expected, or with the alternate variation of other equivalent electric circuits, also should contain by claim of the present invention.
Claims (6)
1. there is a hand-held device for multiple near-field communication read direction, include:
Communication unit, it has input and output, and for connecting first line in parallel and the second circuit;
First near-field communication aerial, is located at described first line; And
Second near-field communication aerial, is located at described second circuit, and the radiofrequency field transmission direction of described second near-field communication aerial is different from the radiofrequency field transmission direction of described first near-field communication aerial;
Wherein, the equivalent inductance value between described input with described output is mated with described communication unit.
2. have the hand-held device of multiple near-field communication read direction as claimed in claim 1, it is characterized in that, described first line has the identical equivalent inductance value of essence with described second circuit.
3. there is the hand-held device of multiple near-field communication read direction as claimed in claim 1, it is characterized in that,
Also comprise at least one the 3rd near-field communication aerial, 3rd near-field communication aerial and described second near-field communication aerial are connected in series, and the radiofrequency field transmission direction of the 3rd near-field communication aerial is different from the radiofrequency field transmission direction of described first near-field communication aerial and described second near-field communication aerial.
4. there is the hand-held device of multiple near-field communication read direction as claimed in claim 1, it is characterized in that,
Also comprise at least one the 3rd near-field communication aerial and a carrier,
Wherein, at least one the 3rd near-field communication aerial described carrier surface being arranged at described carrier same with described first near-field communication aerial.
5. there is the hand-held device of multiple near-field communication read direction as claimed in claim 4, it is characterized in that,
Also comprise back of the body lid and battery,
Described battery is arranged at the inside of described hand-held device, and described carrier is arranged between described back of the body lid and described battery.
6. there is the hand-held device of multiple near-field communication read direction as claimed in claim 1, it is characterized in that,
Described second near-field communication aerial is arranged at the inside of described hand-held device and is wire-wound coils antenna, and described second near-field communication aerial is centered around on bar-shaped support, and the longitudinal direction of described support is substantially perpendicular to the end face of described hand-held device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410143715.2A CN104979643A (en) | 2014-04-11 | 2014-04-11 | A hand-held device with multiple near-field communication reading directions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410143715.2A CN104979643A (en) | 2014-04-11 | 2014-04-11 | A hand-held device with multiple near-field communication reading directions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104979643A true CN104979643A (en) | 2015-10-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410143715.2A Pending CN104979643A (en) | 2014-04-11 | 2014-04-11 | A hand-held device with multiple near-field communication reading directions |
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| Country | Link |
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| CN (1) | CN104979643A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106897042A (en) * | 2017-02-28 | 2017-06-27 | 宇龙计算机通信科技(深圳)有限公司 | Method for information display and mobile terminal |
| CN113594682A (en) * | 2021-07-30 | 2021-11-02 | 联想(北京)有限公司 | Electronic device |
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| US20040227682A1 (en) * | 2002-02-05 | 2004-11-18 | Anderson Theodore R. | Reconfigurable scanner and RFID system using the scanner |
| JP2008042761A (en) * | 2006-08-09 | 2008-02-21 | Toshiba Corp | Antenna system |
| CN201707693U (en) * | 2010-06-29 | 2011-01-12 | 许志贤 | RFID non-directional induction smart card |
| CN202475503U (en) * | 2012-01-09 | 2012-10-03 | 惠州Tcl移动通信有限公司 | NFC mobile terminal |
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2014
- 2014-04-11 CN CN201410143715.2A patent/CN104979643A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040227682A1 (en) * | 2002-02-05 | 2004-11-18 | Anderson Theodore R. | Reconfigurable scanner and RFID system using the scanner |
| JP2008042761A (en) * | 2006-08-09 | 2008-02-21 | Toshiba Corp | Antenna system |
| CN201707693U (en) * | 2010-06-29 | 2011-01-12 | 许志贤 | RFID non-directional induction smart card |
| CN202475503U (en) * | 2012-01-09 | 2012-10-03 | 惠州Tcl移动通信有限公司 | NFC mobile terminal |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106897042A (en) * | 2017-02-28 | 2017-06-27 | 宇龙计算机通信科技(深圳)有限公司 | Method for information display and mobile terminal |
| CN113594682A (en) * | 2021-07-30 | 2021-11-02 | 联想(北京)有限公司 | Electronic device |
| CN113594682B (en) * | 2021-07-30 | 2022-10-25 | 联想(北京)有限公司 | Electronic device |
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Application publication date: 20151014 |
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