CN104410499A - Device and method for awakening dynamic token by NFC - Google Patents
Device and method for awakening dynamic token by NFC Download PDFInfo
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- CN104410499A CN104410499A CN201410740438.3A CN201410740438A CN104410499A CN 104410499 A CN104410499 A CN 104410499A CN 201410740438 A CN201410740438 A CN 201410740438A CN 104410499 A CN104410499 A CN 104410499A
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Abstract
The invention discloses a device and method for awakening a dynamic token by NFC (near field communication), and relates to the technical field of information safety. The device comprises an NFC signal instruction controller, an NFC signal transceiver, an NFC signal inductor and the dynamic token, wherein the NFC signal instruction controller is electrically connected with the NFC signal transceiver; the NFC signal inductor is electrically connected with the dynamic token. According to the device disclosed by the embodiment of the invention, the dynamic token is automatically awakened by an NFC technology without manual operation, so that the user operation process is simplified and the use convenience of the dynamic token is improved; meanwhile, different instructions are sent through the NFC signal instruction controller, so that the dynamic token can be randomly switched in different states such as a standby state, a down state and a working state, various states of the dynamic token can be awakened, and the range of operation of awakening the dynamic token can be extended.
Description
Technical field
The present invention relates to field of information security technology, particularly relate to the apparatus and method that a kind of NFC of utilization wakes dynamic token up.
Background technology
In fields such as Net silver, network game, telecom operators, E-Government, enterprises, in order to the safety of guarantee information, mostly adopt the anti-theft technique of some safe and convenients.Challenge response type dynamic token, owing to can design more rich application model, supports different application demands, therefore, is widely used, and especially obtains at the bank field and generally applies.Because challenge response type dynamic token does not exist compatibility issue, conveniently can be applied on mobile phone Net silver, have greatly the trend progressively replacing USKey.
At present, challenge response type dynamic token technology, its challenge number is proposed by Verification System, and challenge number is input in terminal challenge/response token by user, generates answer number, using this answer number as dynamic password by built-in algorithm.
Visible, existing challenge response type dynamic token technology is used to carry out the transaction such as Net silver, there is user and manually input the links such as Transaction Information, dynamic password and button confirmation, namely there is the link needing human intervention, so, user carries out network bank business based grade during operation and uses inconvenience, and Consumer's Experience receives and has a strong impact on.
Summary of the invention
The object of the present invention is to provide a kind of NFC of utilization to wake the apparatus and method of dynamic token up, thus solve the foregoing problems existed in prior art.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of NFC of utilization wakes the device of dynamic token up, comprise: NFC signal instruction controller 1, NFC signal transceiver 2, NFC signal inductor 3 and dynamic token 4, NFC signal instruction controller 1 is electrically connected with NFC signal transceiver 2, and NFC signal inductor 3 is electrically connected with dynamic token 4.
Preferably, NFC signal inductor 3 comprises sensor circuit 5, and sensor circuit 5 is composed in series by coil 6, first rectifier diode 7, electric capacity 8 and the second rectifier diode 9, is connected with electric output interface 13 at the two ends of electric capacity 8.
More preferably, NFC signal inductor 3 comprises sensor circuit 5 and amplitude limiter circuit 10, and wherein, sensor circuit 5 is composed in series by coil 6, first rectifier diode 7, electric capacity 8 and the second rectifier diode 9; Amplitude limiter circuit 10 is connected in parallel on the two ends of the electric capacity 8 of sensor circuit 5, and the two ends of the first resistance 11 and the second resistance 12, first resistance 11 that amplitude limiter circuit 10 comprises series connection are connected to electric output interface 13.
Utilize NFC to wake a method for dynamic token up, use the above-mentioned NFC of utilization to wake the device of dynamic token up, comprise the steps:
S1, described NFC signal instruction controller sending controling instruction is to described NFC signal transceiver;
S2, described NFC signal transceiver sends the electromagnetic field signal of described control command;
S3, described NFC signal inductor detects the electromagnetic field signal of described control command, and the electromagnetic field signal of described control command is converted to the signal of telecommunication, sends to described dynamic token;
S4, described dynamic token receives the signal of telecommunication of described control command, and performs described control command.
Particularly, described control command comprise standby, shut down or work.
Wherein, S3 is specially:
S301, adjusts the resonance frequency of described NFC signal inductor, makes it identical with the resonance frequency of the electromagnetic field signal of described control command, detects the electromagnetic field signal of described control command;
S302, the electromagnetic field signal of described control command is converted to the signal of telecommunication by described NFC signal inductor;
S303, described NFC signal inductor is by sending to described dynamic token by the described signal of telecommunication.
Further, between S302 and S303, also comprise step: the intensity of the described signal of telecommunication is limited.
Further, before S1, also comprise step S0, the rule of control command according to setting is encoded; Then S4 is, described dynamic token receives the signal of telecommunication of described control command, and decodes according to rule identical in S0 to described control command, then performs described control command.
Particularly, S4 comprises:
S401, described dynamic token receives the signal of telecommunication of described control command;
S402, judges whether the described signal of telecommunication reaches requirement, and if so, then described dynamic token performs described control command; Otherwise, keep original state.
Wherein, describedly judge whether the described signal of telecommunication reaches requirement, is specially, judge whether the duration of the described signal of telecommunication reaches the time of setting.
The invention has the beneficial effects as follows: what the embodiment of the present invention provided utilizes NFC to wake the apparatus and method of dynamic token up, utilize NFC technique, complete automatically waking up dynamic token, and without the need to manual key wakeup dynamic token, simplify user operation flow process, improve the convenience that dynamic token uses; Simultaneously; in the present invention, send different instructions by NFC signal instruction controller, can make dynamic token standby, shut down or any switching laws between state that work etc. is different; realization wakes up the various states of dynamic token, thus expands the opereating specification waking dynamic token up.
Accompanying drawing explanation
Fig. 1 is the structural representation utilizing NFC to wake the device of dynamic token up;
Fig. 2 is a kind of structural representation of NFC signal inductor;
Fig. 3 is the structural representation of another kind of NFC signal inductor;
Fig. 4 is the schematic flow sheet utilizing NFC to wake the method for dynamic token up.
In figure, the implication of each symbol is as follows:
1NFC signal instruction controller, 2NFC signal transceiver, 3NFC signal inductor, 4 dynamic tokens, 5 sensor circuits, 6 coils, 7 first rectifier diodes, 8 electric capacity, 9 second rectifier diodes, 10 amplitude limiter circuits, 11 first resistance, 12 second resistance, 13 electrical signal output interface.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing, the present invention is further elaborated.Should be appreciated that embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiments provide the device that a kind of NFC of utilization wakes dynamic token up, comprising:
NFC signal instruction controller 1, NFC signal transceiver 2, NFC signal inductor 3 and dynamic token 4, NFC signal instruction controller 1 are electrically connected with NFC signal transceiver 2, and NFC signal inductor 3 is electrically connected with dynamic token 4.
Near-field communication technology (Near Field Communication, be abbreviated as NFC) be a kind of short-range high frequency wireless communication technology, NFC is developed by non-contact radio-frequency identification (RFID), can run in 20 cm distance in 13.56MHz frequency, allow to carry out non-contact data transmission between electronic equipment.NFC supports that card reader, snap gauge are intended, point-to-point three kinds of mode of operations, has better fail safe, be considered to have larger application prospect in mobile payment field relative to other non-contact communication technology.
In the embodiment of the present invention, the control command to dynamic token is sent by NFC signal instruction controller 1, this control command is launched with the form of electromagnetic field signal by NFC signal transceiver 2, when NFC signal inductor 3 is near NFC signal transceiver 2, after the electromagnetic field signal of above-mentioned control command being detected, be converted into the signal of telecommunication, and be transferred to dynamic token 4, after dynamic token 4 receives signal, perform corresponding control command, thus make dynamic token 4 can automatically enter into different states, thus, utilize NFC technique, achieve automatically waking up of NFC signal instruction controller 1 pair of dynamic token 4, and do not need manual input element, not greatly simplify operating process, improve Consumer's Experience.
And, the device that provides of the embodiment of the present invention is provided, can in NFC signal instruction controller 1 preset multiple different control command, thus by calling different control commands, realize waking up dynamic token different conditions.Thus realize the light switching of the various states of dynamic token, realize waking up the various states of dynamic token, expand and scope is waken up to dynamic token.
Such as when the current state of dynamic token is holding state, and user needs to wake up dynamic token, when making it enter operating state, then can call the control command of operating state, wakes dynamic token up, enters operating state; When the current state of dynamic token is operating state, and user needs to wake up dynamic token, when making it enter holding state, then can call the control command of holding state, wakes dynamic token up, enters positive holding state.Thus dynamic token is easily switched between various state, the another kind of state of user's needs is automatically entered from certain current state.
Wherein, NFC signal instruction controller 1 can be intelligent terminal, NFC signal transceiver 2 can be arranged in this intelligent terminal, and form the intelligent terminal supporting NFC function, this intelligent terminal can be smart mobile phone, handheld POS or panel computer (PAD) etc.
As shown in Figure 2, in the embodiment of the present invention, NFC signal inductor 3 can comprise sensor circuit 5, and sensor circuit 5 is composed in series by coil 6, first rectifier diode 7, electric capacity 8 and the second rectifier diode 9, is connected with electric output interface 13 at the two ends of electric capacity 8.
Use the sensor circuit 5 of said structure, can ensure that NFC signal inductor 3 is not easy to be subject to the interference of extraneous factor, electromagnetic field signal can be detected more accurately and rapidly.Meanwhile, adopt the sensor circuit 5 of said structure, also can make the voltage of generation or electric current more stable, thus make the signal of telecommunication sending dynamic token to more stable, can continue the longer time, avoid dynamic token to be subject to the interference of other extraneous factors, the mistake that operating state occurs switches.
As will be understood by the skilled person in the art, NFC signal inductor 3 also can adopt other sensor circuit.
Use the NFC signal inductor 3 of above-mentioned access node structure, its course of work is:
When NFC signal inductor 3 is near NFC signal transceiver 2, the resonance frequency of adjustment coil 6 and electric capacity 8, makes sensor circuit have the resonance frequency identical with electromagnetic field signal, so that the electromagnetic field signal of detection control instruction; After sensor circuit 5 detects electromagnetic field signal, be converted into alternating current, alternating current is converted to direct current via the first rectifier diode 7 and the second rectifier diode 9, and direct current sends to dynamic token 4 by electrical signal output interface 13.
Thus complete the detection of control command signal, conversion and transmission.
As shown in Figure 3, in the embodiment of the present invention, NFC signal inductor 3 can also comprise sensor circuit 5 and amplitude limiter circuit 10, and wherein, sensor circuit 5 is composed in series by coil 6, first rectifier diode 7, electric capacity 8 and the second rectifier diode 9; Amplitude limiter circuit 10 is connected in parallel on the two ends of the electric capacity 8 of sensor circuit 5, and the two ends of the first resistance 11 and the second resistance 12, first resistance 11 that amplitude limiter circuit 10 comprises series connection are connected to electric output interface 13.
Use the NFC signal inductor 3 of above-mentioned access node structure, its course of work is:
When NFC signal inductor 3 is near NFC signal transceiver 2, the resonance frequency of adjustment coil 6 and electric capacity 8, makes sensor circuit have the resonance frequency identical with electromagnetic field signal, so that the electromagnetic field signal of detection control instruction; After sensor circuit 5 detects electromagnetic field signal; be converted into alternating current; alternating current is converted to direct current via the first rectifier diode 7 and the second rectifier diode 9; after direct current flows through the first resistance 11 and the second resistance 12 in amplitude limiter circuit 10; intensity receives certain restriction; and then send to dynamic token 4 by electrical signal output interface 13, thus the signal of telecommunication receiving circuit of protection dynamic token 4.
Thus complete the detection of control command signal, conversion and transmission, the signal of telecommunication receiving circuit of state token 4 is protected simultaneously, extend the useful life of dynamic token.
As shown in Figure 4, the embodiment of the present invention additionally provides a kind of method that NFC of utilization wakes dynamic token up, and the NFC that utilizes using above-described embodiment to provide wakes the device of dynamic token up, comprises the steps:
S1, described NFC signal instruction controller sending controling instruction is to described NFC signal transceiver;
S2, described NFC signal transceiver sends the electromagnetic field signal of described control command;
S3, described NFC signal inductor detects the electromagnetic field signal of described control command, and the electromagnetic field signal of described control command is converted to the signal of telecommunication, sends to described dynamic token;
S4, described dynamic token receives the signal of telecommunication of described control command, and performs described control command.
Wherein, described control command comprise standby, shut down or work.
User calls the control command to dynamic token in NFC signal instruction controller, if want to allow dynamic token enter holding state, then calls standby command; If want to allow dynamic token enter stopped status, then call halt instruction; If want to allow dynamic token enter normal operating conditions, then call normal work order.Then by the signal transmitting unit of NFC signal instruction controller, control command is sent to NFC signal transceiver.
NFC signal transceiver generates an electromagnetic field signal, is constantly launched by uniquely identified electromagnetic field signal.
When NFC signal inductor is near NFC signal transceiver, then as follows, the electromagnetic field signal of described control command can be detected, and the electromagnetic field signal of described control command is converted to the signal of telecommunication, send to described dynamic token:
S301, adjusts the resonance frequency of described NFC signal inductor, makes it identical with the resonance frequency of the electromagnetic field signal of described control command, detects the electromagnetic field signal of described control command;
S302, the electromagnetic field signal of described control command is converted to the signal of telecommunication by described NFC signal inductor;
S303, described NFC signal inductor is by sending to described dynamic token by the described signal of telecommunication.
In the embodiment of the present invention, between S302 and S303, step can also be comprised: the intensity of the described signal of telecommunication is limited.
Like this, just can realize the protection of the receiving circuit to dynamic token, extend the useful life of dynamic token.
In the embodiment of the present invention, before S1, can also step S0 be comprised, the rule of control command according to setting is encoded; Then S4 is, described dynamic token receives the signal of telecommunication of described control command, and decodes according to rule identical in S0 to described control command, then performs described control command.
As will be understood by the skilled person in the art, coding can adopt different forms, such as; when control command is holding state, can 1 be encoded to, when control command is stopped status; can 2 be encoded to, when control command is normal operating conditions, can 3 be encoded to.
Adopt the control command of form transmission to dynamic token operating state of coding, Signal transmissions can be made quick, accurate, be not easy the interference being subject to extraneous factor.
In the embodiment of the present invention, S4 can comprise:
S401, described dynamic token receives the signal of telecommunication of described control command;
S402, judges whether the described signal of telecommunication reaches requirement, and if so, then described dynamic token performs described control command; Otherwise, keep original state.
Adopt such method, by the requirement that the signal sets that will receive dynamic token is certain, meet the signal of telecommunication of this requirement, dynamic token just performs, and does not meet the signal of telecommunication of this requirement, and dynamic token then will not perform, instead of for all signals of telecommunication, dynamic token is all performed, thus can ensure the accuracy that dynamic token wakes up, and can not occur the situation of false wake-up due to the interference of outer signals.
In the embodiment of the present invention, describedly judge whether the described signal of telecommunication reaches requirement, is specially, judge whether the duration of the described signal of telecommunication reaches the time of setting.
When the time of the electric signal duration that dynamic token receives reaches the time of setting; dynamic token just performs control command; be switched to shutdown, standby or normal operating state; otherwise; when the time of the electric signal duration that dynamic token receives does not reach the time of setting, then dynamic token keeps original state.
As will be understood by the skilled person in the art, judge whether the described signal of telecommunication reaches requirement, other requirement can also be set.
In the embodiment of the present invention, adopt duration of the signal of telecommunication to judge, the stability of the signal of telecommunication that can be produced by the circuit of control NFC signal inductor, is realized, simple, and result reliability and accuracy high.
By adopting technique scheme disclosed by the invention, obtain effect useful as follows: what the embodiment of the present invention provided utilizes NFC to wake the apparatus and method of dynamic token up, utilize NFC technique, complete automatically waking up dynamic token, and without the need to manual key wakeup dynamic token, simplify user operation flow process, improve the convenience that dynamic token uses; Simultaneously; in the present invention, send different instructions by NFC signal instruction controller, can make dynamic token standby, shut down or any switching laws between state that work etc. is different; realization wakes up the various states of dynamic token, thus expands the opereating specification waking dynamic token up.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.
Those skilled in the art it should be understood that the sequential of the method step that above-described embodiment provides can carry out accommodation according to actual conditions, also can carry out according to actual conditions are concurrent.
The hardware that all or part of step in the method that above-described embodiment relates to can carry out instruction relevant by program has come, described program can be stored in the storage medium that computer equipment can read, for performing all or part of step described in the various embodiments described above method.Described computer equipment, such as: personal computer, server, the network equipment, intelligent mobile terminal, intelligent home device, wearable intelligent equipment, vehicle intelligent equipment etc.; Described storage medium, such as: the storage of RAM, ROM, magnetic disc, tape, CD, flash memory, USB flash disk, portable hard drive, storage card, memory stick, the webserver, network cloud storage etc.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, commodity or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, commodity or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, commodity or the equipment comprising described key element and also there is other identical element.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should look protection scope of the present invention.
Claims (10)
1. utilize NFC to wake a device for dynamic token up, it is characterized in that, comprising:
NFC signal instruction controller, NFC signal transceiver, NFC signal inductor and dynamic token, described NFC signal instruction controller is electrically connected with described NFC signal transceiver, and described NFC signal inductor is electrically connected with described dynamic token.
2. the NFC of utilization according to claim 1 wakes the device of dynamic token up, it is characterized in that, described NFC signal inductor comprises sensor circuit, described sensor circuit is composed in series by coil, the first rectifier diode, electric capacity and the second rectifier diode, is connected with electrical signal output interface at the two ends of described electric capacity.
3. the NFC of utilization according to claim 1 wakes the device of dynamic token up, it is characterized in that, described NFC signal inductor comprises sensor circuit and amplitude limiter circuit, and described sensor circuit is composed in series by coil, the first rectifier diode, electric capacity and the second rectifier diode; Described amplitude limiter circuit is connected in parallel on the two ends of the described electric capacity of described sensor circuit, and described amplitude limiter circuit comprises the first resistance and second resistance of series connection, and the two ends of described first resistance are connected to electrical signal output interface.
4. utilize NFC to wake a method for dynamic token up, it is characterized in that, use the NFC that utilizes described in any one of claim 1-3 to wake the device of dynamic token up, comprise the steps:
S1, described NFC signal instruction controller sending controling instruction is to described NFC signal transceiver;
S2, described NFC signal transceiver sends the electromagnetic field signal of described control command;
S3, described NFC signal inductor detects the electromagnetic field signal of described control command, and the electromagnetic field signal of described control command is converted to the signal of telecommunication, sends to described dynamic token;
S4, described dynamic token receives the signal of telecommunication of described control command, and performs described control command.
5. the NFC of utilization according to claim 4 wakes the method for dynamic token up, it is characterized in that, described control command comprise standby, shut down or work.
6. the NFC of utilization according to claim 4 wakes the method for dynamic token up, it is characterized in that, S3 is specially:
S301, adjusts the resonance frequency of described NFC signal inductor, makes it identical with the resonance frequency of the electromagnetic field signal of described control command, detects the electromagnetic field signal of described control command;
S302, the electromagnetic field signal of described control command is converted to the signal of telecommunication by described NFC signal inductor;
S303, described NFC signal inductor is by sending to described dynamic token by the described signal of telecommunication.
7. the NFC of utilization according to claim 6 wakes the method for dynamic token up, it is characterized in that, between S302 and S303, also comprises step: limit the intensity of the described signal of telecommunication.
8. the NFC of utilization according to claim 4 wakes the method for dynamic token up, it is characterized in that, before S1, also comprises step S0, the rule of control command according to setting is encoded; Then S4 is, described dynamic token receives the signal of telecommunication of described control command, and decodes according to rule identical in S0 to described control command, then performs described control command.
9. the NFC of utilization according to claim 4 wakes the method for dynamic token up, it is characterized in that, S4 comprises:
S401, described dynamic token receives the signal of telecommunication of described control command;
S402, judges whether the described signal of telecommunication reaches requirement, and if so, then described dynamic token performs described control command; Otherwise, keep original state.
10. the NFC of utilization according to claim 9 wakes the method for dynamic token up, it is characterized in that, describedly judges whether the described signal of telecommunication reaches requirement, is specially, and judges whether the duration of the described signal of telecommunication reaches the time of setting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410740438.3A CN104410499A (en) | 2014-12-05 | 2014-12-05 | Device and method for awakening dynamic token by NFC |
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| CN201410740438.3A CN104410499A (en) | 2014-12-05 | 2014-12-05 | Device and method for awakening dynamic token by NFC |
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| CN201410740438.3A Pending CN104410499A (en) | 2014-12-05 | 2014-12-05 | Device and method for awakening dynamic token by NFC |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110365373A (en) * | 2019-07-25 | 2019-10-22 | 四川长虹电器股份有限公司 | Near field communication system based on magnetic field coding |
| CN110460357A (en) * | 2019-08-15 | 2019-11-15 | 四川长虹电器股份有限公司 | A kind of near field communication means, communication means and communication equipment based on magnetic field coding |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060111096A1 (en) * | 2004-11-24 | 2006-05-25 | Chia-Cheng Chen | Wireless identification security activation device |
| CN102868527A (en) * | 2012-08-17 | 2013-01-09 | 天地融科技股份有限公司 | Dynamic password generation system and device |
| CN102983887A (en) * | 2011-06-28 | 2013-03-20 | 美国博通公司 | Method and apparatus for reducing NFC multi-protocol polling duration and power consumption |
| CN103023539A (en) * | 2012-12-04 | 2013-04-03 | 中兴通讯股份有限公司 | Method and system for starting functions of electronic devices |
-
2014
- 2014-12-05 CN CN201410740438.3A patent/CN104410499A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060111096A1 (en) * | 2004-11-24 | 2006-05-25 | Chia-Cheng Chen | Wireless identification security activation device |
| CN102983887A (en) * | 2011-06-28 | 2013-03-20 | 美国博通公司 | Method and apparatus for reducing NFC multi-protocol polling duration and power consumption |
| CN102868527A (en) * | 2012-08-17 | 2013-01-09 | 天地融科技股份有限公司 | Dynamic password generation system and device |
| CN103023539A (en) * | 2012-12-04 | 2013-04-03 | 中兴通讯股份有限公司 | Method and system for starting functions of electronic devices |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110365373A (en) * | 2019-07-25 | 2019-10-22 | 四川长虹电器股份有限公司 | Near field communication system based on magnetic field coding |
| CN110460357A (en) * | 2019-08-15 | 2019-11-15 | 四川长虹电器股份有限公司 | A kind of near field communication means, communication means and communication equipment based on magnetic field coding |
| CN110460357B (en) * | 2019-08-15 | 2021-06-22 | 四川长虹电器股份有限公司 | Near field communication device, communication method and communication equipment based on magnetic field coding |
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