CN208689587U - NFC device - Google Patents
NFC device Download PDFInfo
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- CN208689587U CN208689587U CN201821646780.7U CN201821646780U CN208689587U CN 208689587 U CN208689587 U CN 208689587U CN 201821646780 U CN201821646780 U CN 201821646780U CN 208689587 U CN208689587 U CN 208689587U
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- nfc
- switch
- nfc chip
- delay circuit
- antenna
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Abstract
This application discloses a kind of NFC devices.By increasing an electronic switching device between NFC chip and antenna, which is carried out controlling its opening and closing by user, opens and closes the connection of can be turned on or off antenna and NFC chip.When antenna and NFC chip are connected, NFC chip can receive the signal of antenna, then NFC chip is just able to carry out work.When antenna and NFC chip disconnect, NFC chip cannot receive the signal of antenna, then NFC chip not can be carried out work.The working condition of electronic switching device is worked and existing safety problem in the unwitting situation of user by user's control to solve NFC device.
Description
Technical field
This application involves field of wireless transmission, in particular to a kind of NFC device.
Background technique
NFC payment refers to that consumer when buying commodity or service, uses NFC technique (Near Field immediately
Communication payment) is completed by handheld devices such as mobile phones, is a kind of emerging mobile payment mode.The processing of payment
It carries out at the scene, and lower progress online, does not need using mobile network, but use the radio-frequency channel NFC to realize and collect money with POS
The local communication of the equipment such as machine or automatic vending machine.NFC close range wireless communication is the mainstream technology of near field payment, it is a kind of
Short-range high frequency wireless communication technique allows to carry out contactless Point-to-Point Data Transmission between electronic equipment and exchanges data.
The technology is evolved by RFID radio frequency identification, and compatible RFID technique, by Philip, Nokia, Sony, Samsung, China
Unionpay, China Mobile, prompt precious science and technology etc. are featured, are mainly used in the handheld devices such as mobile phone.
NFC communication technology allows to carry out contactless Point-to-Point Data Transmission (in ten centimetres) between electronic equipment and hands over
Change data.This technology is evolved by contact-free formula RF identification (RFID), and backward compatible RFID, is mainly used for mobile phone etc.
The communication of M2M (Machine to Machine) is provided in handheld device.Since near-field communication has natural safety, because
This, NFC technique is considered having great application prospect in fields such as mobile-phone payments.
However, it is stolen to will lead to bank card because user can not carry out the certification and control of information exchange link for NFC payment
The case where brush, carries out non-contact robber's brush case generation to be easy to appear and legal mobile POS is used for multiple times.
It works and existing safety problem in the unwitting situation of user for above-mentioned NFC device, at present not yet
It puts forward effective solutions.
Utility model content
In the embodiment of the present application, a kind of NFC device is provided, it can by increasing by one between NFC chip and antenna
To realize the work by user's control NFC by the electronic switching device of user's control, thus solve NFC device user not
It is worked and existing safety problem in the case where knowing.
According to the one aspect of the utility model embodiment, a kind of NFC device, including NFC chip and antenna are provided.Its
Middle NFC chip is connect with antenna, and is received signal by antenna and sent signal.NFC device further includes switching device, is opened
It closes device to be set on the route between NFC chip and antenna, for controlling the on-off of route between NFC chip and antenna.
Optionally, switching device includes: switch and delay circuit.Wherein switch for control NFC chip and antenna it
Between route on-off；Delay circuit is connected with switch, for control switch be connected and tend to remain on reach reservation when
Between after automatic disconnect.
Optionally, NFC chip is connect with delay circuit, for sending open signal to delay circuit.
Optionally, NFC device further includes switch key.And switch key is connect with NFC chip, enables NFC chip
Enough triggerings in response to switch key send open signal to delay circuit.
Optionally, NFC device further includes biometric apparatus.Biometric apparatus is connect with NFC chip, so that NFC core
Piece is able to respond the triggering in biometric apparatus and sends open signal to delay circuit.
Optionally, biometric apparatus includes any one equipment below: fingerprint identification device, motion identification device with
And iris identification equipment.
Optionally, switching device includes switch and switch key, and wherein switch key is connected with switch, and is opened for controlling
The on-off of pass.
Optionally, switching device further includes switch key.Wherein switch key is connect with delay circuit, so that delay circuit
It is able to respond in the triggering of key and the conducting of control switch.
Optionally, switching device includes switch and the connecting terminal for control switch.Its middle connecting terminal and NFC core
Piece connection, enables NFC chip to pass through the on-off of connecting terminal control switch.
Optionally, delay circuit is RC delay circuit.
In the utility model embodiment, a kind of NFC device is provided, by increasing by one between NFC chip and antenna
It is a to be realized and be turned on or off the connection of antenna and NFC chip by user by the electronic switching device of user's control.The same day
When line and NFC chip are connected, NFC chip can receive the signal of antenna, then NFC chip is just able to carry out work, work as antenna
When disconnecting with NFC chip, NFC chip cannot receive the signal of antenna, then NFC chip not can be carried out work.Electronic switching device
The working condition of part is worked and existing by user's control to solve NFC device in the unwitting situation of user
Safety problem.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is the schematic diagram of the NFC device shown in 1 in accordance with an embodiment of the present disclosure；
Fig. 2 is in accordance with an embodiment of the present disclosure 1 schematic diagram for further describing the NFC device shown；
Fig. 3 is in accordance with an embodiment of the present disclosure 1 schematic diagram for further describing the NFC device shown；
Fig. 4 is in accordance with an embodiment of the present disclosure 1 schematic diagram for further describing the NFC device shown；
Fig. 5 is in accordance with an embodiment of the present disclosure 1 schematic diagram for further describing the NFC device shown；
Fig. 6 is in accordance with an embodiment of the present disclosure 1 schematic diagram for further describing the NFC device shown；And
Fig. 7 is the RC delay circuit figure shown in 1 in accordance with an embodiment of the present disclosure.
NFC chip 1, switching device 2, switch 21, delay circuit 22, switch key 23, antenna 3, biometric apparatus 4,
Fingerprint identification device 41, motion identification device 42, iris identification equipment 43.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical
Novel and its application or any restrictions used.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each shown in attached drawing
The size of a part is not to draw according to actual proportionate relationship.For skill known to person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, and technology, method and apparatus should be considered as authorization and say
A part of bright book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively,
Not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar mark
Number and letter similar terms are indicated in following attached drawing, therefore, once be defined in a certain Xiang Yi attached drawing, then subsequent
It does not need that it is further discussed in attached drawing.
According to the one aspect of the embodiment of the present disclosure, as shown in Figure 1, provide a kind of NFC device, including NFC chip 1 and
Antenna 3, wherein NFC chip 1 is connect with antenna 3, and is received signal by antenna 3 and sent signal.NFC device further includes
Switching device 2, switching device 2 is set on the route between NFC chip 1 and antenna 3, for controlling NFC chip 1 and antenna 3
Between route on-off.
To which control switch can be passed through with embodiment by installing switching device 2 additional between NFC chip 1 and antenna 3
Can the on-off control NFC chip 1 of device 2 send and receive information.I.e. switching device 2 is in an off state down, NFC chip 1
Information cannot be sended and received by antenna 3, in the case where switching device 2 is in the conductive state, NFC chip 1 can pass through day
Line 3 sends and receivees information, keeps 1 use state of NFC chip controllable；Specifically, it can apply in NFC payment equipment, pass through
Can the open close control payment behavior of control switch device 2 be completed, that is, only NFC payment equipment holder control switch fills
Set 2 it is in the conductive state when, payment behavior could be completed, and can effectively prevent unwitting in NFC payment equipment holder
In the case of complete payment behavior.
Optionally, as shown in Fig. 2, switching device 2 includes: switch 21 and delay circuit 22.Wherein switch 21 is for controlling
The on-off of route between NFC chip 1 processed and antenna 3；And delay circuit 22 is connect with switch 21, is connected for control switch 21
And tend to remain on reach the ticket reserving time after disconnect automatically.
Specifically, the switching device 2 of the present embodiment includes switch 21 and delay circuit 22.Delay circuit 22 is to switch
21 control, when sending a signal to delay circuit 22, delay circuit 22 is opened and control switch 21 is in and leads
Logical state, NFC chip 1 can send and receive signal.Also, delay circuit 22 is automatically closed after opening the scheduled time,
To which control switch 21 disconnects, prevent NFC chip 1 from sending and receiving signal.To which NFC device holder is in Time delay
In the case where circuit 22, allow NFC chip 1 that can send and receive information within a certain period of time, and automatic after this
It is in an off state.To which holder need not disconnect switch 21 in person, thus more convenient to use.Meanwhile it also avoiding holding
People forgets to turn off the switch 21 so that the NFC chip 1 occurred has been at normal operating conditions and uncontrollable situation generation.
Optionally, as shown in figure 3, NFC chip 1 is connect with delay circuit 22, letter is opened for sending to delay circuit 22
Number.
Specifically, in the present embodiment, NFC chip 1 sends open signal to delay circuit 22, and delay circuit 22 receives
After the signal that NFC chip 1 issues, circuit is opened, so that control switch 21 is connected, delay circuit 22 is closed after the predetermined time,
Switch 21 namely it is in off-state.To control delay circuit 22 by NFC chip 1, may be implemented more with switch operation
Correlation function, and also do not have in addition increase control circuit.
Optionally, as shown in figure 3, NFC device further includes switch key 23, switch key 23 connect with NFC chip 1, makes
NFC chip 1 is able to respond the triggering in switch key 23 and sends open signal to delay circuit 22.
Specifically, switch key 23 generates trigger signal and sends when user operates switch key 23
To NFC chip 1.NFC chip 1 responds after receiving trigger signal, i.e., sends open signal, delay circuit to delay circuit 22
After 22 receive the open signal of the sending of NFC chip 1, circuit is opened, control switch 21 is connected.And delay circuit 22 is in pre- timing
Between after close, switch 21 namely be in off-state.To, can be by pressing since NFC device is furnished with key device
Key apparatus operates the use state that can effectively control NFC chip 1.
Optionally, as shown in figure 3, NFC device includes biometric apparatus 4, biometric apparatus 4 and NFC chip 1 connect
It connects, so that NFC chip 1, which is able to respond the triggering in biometric apparatus 4, sends open signal to delay circuit 22.
The present embodiment installs biometric apparatus 4 in NFC device, identifies to biological information.It is accorded in biological information
It closes and identifies that biometric apparatus 4 is identified by signal to the transmission of NFC chip 1, and NFC chip 1 makes sound after receiving signal when requiring
It answers, i.e., sends open signal to delay circuit 22.After delay circuit 22 receives the open signal of the sending of NFC chip 1, electricity is opened
Road, control switch 21 are connected.And delay circuit 22 is closed after the predetermined time, so that switch 21 also switches to off-state.
To install biometric apparatus 4 in NFC device, NFC device holder is not only enable to efficiently control making for NFC chip 1
With state, and be limited to specific holder just and can control NFC chip 1 make it is stateful.Even if NFC device is in loss, quilt
In the case of robber, NFC chip 1 will not be made to be used by other people, provide safety guarantee higher.
Optionally, as shown in figure 3, biometric apparatus 4 includes any one equipment below: fingerprint identification device 41,
Motion identification device 42 and iris identification equipment 43.
Specifically, the present embodiment is right by fingerprint identification device 41, motion identification device 42 and iris identification equipment 43
The biological informations such as fingerprint, movement and the iris of user identify.Thus when NFC chip 1 responds correct recognition result, to
Delay circuit 22 sends open signal.After delay circuit 22 receives the open signal of the sending of NFC chip 1, circuit is opened, control is opened
Close 21 conductings.And delay circuit 22 is closed after the predetermined time, so that switch 21 also switches to off-state.Fingerprint recognition is set
Standby 41, motion identification device 42 and iris identification equipment 43 are in recent years using more universal biometric apparatus, technology
Mature and reliable, strong security, price is low, has preferentially selected several biometric apparatus in this embodiment, but is not excluded for other
The biometric apparatus of type.
Optionally, as shown in figure 4, switching device 2 include switch 21 and switch key 23, wherein switch key 23 with open
Close 21 connections, the on-off for control switch 21.
Setting switch key 23 is connected directly with switch 21, by directly when the opening and opening of switch 21 of switch key 23
Between, control circuit is simple, can more directly flexibly control switch 21.
Optionally, as shown in figure 5, switching device 2 includes that switch key 23, wherein switch key 23 and delay circuit 22 connect
It connects, so that delay circuit 22 is able to respond in the triggering of key and the conducting of control switch 21.
To which the present embodiment can directly control the unlatching of delay circuit 22 by switch key 23, pass through delay circuit
The conducting of 22 control switches 21.And delay circuit 22 is closed after the predetermined time, so that switch 21 also switches to off-state.
Optionally, as shown in fig. 6, switching device 2 includes switch 21 and the connecting terminal for control switch, wherein connecing
Line terminals are connect with NFC chip 1, and NFC chip 1 is enabled to pass through the on-off of connecting terminal control switch 21.
To which the present embodiment can directly control switch 21 by NFC chip 1, may be implemented more with the operation of switch 21
Correlation function, and do not have to also in addition increase control circuit.
Optionally, as shown in fig. 7, delay circuit 22 is RC delay circuit.
By delay circuit decision design at RC delay circuit, delay time, circuit can be adjusted by adjusting R value and C value
Simple and reliable, time precision is able to satisfy circuit needs again.
Disclosed scheme through the foregoing embodiment, is provided in the utility model embodiment, provides a kind of NFC device, leads to
One switching device 2 of increase between NFC chip 1 and antenna 3 is crossed, which is carried out controlling its unlatching and be closed by user
It closes, opens and closes the connection of can be turned on or off antenna 3 and NFC chip 1.When antenna 3 and NFC chip 1 are connected, NFC
Chip 1 can receive the signal of antenna 3, then NFC chip 1 is just able to carry out work.When antenna 3 and NFC chip 1 disconnect,
NFC chip 1 cannot receive the signal of antenna 3, then NFC chip 1 not can be carried out work.The working condition of switching device 2 by with
Family control, works and existing safety problem in the unwitting situation of user to solve NFC device.
In the description of the present invention, it should be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally,
Vertically, vertically, it is horizontal " and " pushing up, bottom " etc. indicated by orientation or positional relationship be normally based on orientation or position shown in the drawings
Relationship is set, is merely for convenience of describing the present invention and simplifying the description, in the absence of explanation to the contrary, these nouns of locality
Do not indicate that and imply that signified device or element must have a particular orientation or be constructed and operated in a specific orientation, because
This should not be understood as the limitation to scope of protection of the utility model；The noun of locality " inside and outside " refers to the wheel relative to each component itself
Wide is inside and outside.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of utility model protection range.
In addition, above-mentioned the embodiment of the present application serial number is for illustration only, do not represent the advantages or disadvantages of the embodiments.In the upper of the application
It states in embodiment, all emphasizes particularly on different fields to the description of each embodiment, there is no the part being described in detail in some embodiment, may refer to it
The associated description of his embodiment.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of NFC device, including NFC chip (1) and antenna (3), wherein the NFC chip (1) and the antenna (3) are even
It connects, and receives signal by the antenna (3) and send signal, which is characterized in that
It further include switching device (2), the switching device (2) is set between the NFC chip (1) and the antenna (3)
On route, for controlling the on-off of route between the NFC chip (1) and the antenna (3).
2. a kind of NFC device according to claim 1, which is characterized in that the switching device (2) includes: switch (21)
And delay circuit (22), wherein
The switch (21) is used to control the on-off of route between the NFC chip (1) and the antenna (3)；And
The delay circuit (22) connect with the switch (21), for controlling switch (21) conducting and being held on
State disconnects automatically after reaching the ticket reserving time.
3. a kind of NFC device according to claim 2, which is characterized in that the NFC chip (1) and the delay circuit
(22) it connects, for sending open signal to the delay circuit (22).
4. a kind of NFC device according to claim 3, which is characterized in that further include switch key (23), the switch is pressed
Key (23) is connect with the NFC chip (1), so that the NFC chip (1) is able to respond in the triggering of the switch key (23)
The open signal is sent to the delay circuit (22).
5. a kind of NFC device according to claim 3, which is characterized in that further include biometric apparatus (4), the life
Object identification equipment (4) is connect with the NFC chip (1), so that the NFC chip (1) is able to respond and sets in the bio-identification
The triggering of standby (4) sends the open signal to the delay circuit (22).
6. a kind of NFC device according to claim 5, which is characterized in that the biometric apparatus (4) includes following institute
Any one equipment stated: fingerprint identification device (41), motion identification device (42) and iris identification equipment (43).
7. a kind of NFC device according to claim 1, which is characterized in that the switching device (2) include switch (21) with
And switch key (23), wherein the switch key (23) is connect with the switch (21), for controlling the switch (21)
On-off.
8. a kind of NFC device according to claim 2, which is characterized in that the switching device (2) further includes switch key
(23), wherein the switch key (23) is connect with the delay circuit (22), so that the delay circuit (22) is able to respond
In the key triggering and control it is described switch (21) conducting.
9. a kind of NFC device according to claim 1, which is characterized in that the switching device (2) include switch (21) with
And the connecting terminal for controlling the switch, wherein the connecting terminal is connect with the NFC chip (1), so that the NFC
Chip (1) can control the on-off of the switch (21) by the connecting terminal.
10. a kind of NFC device according to claim 3, which is characterized in that the delay circuit (22) is RC delay electricity
Road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821646780.7U CN208689587U (en) | 2018-10-10 | 2018-10-10 | NFC device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821646780.7U CN208689587U (en) | 2018-10-10 | 2018-10-10 | NFC device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208689587U true CN208689587U (en) | 2019-04-02 |
Family
ID=65889966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821646780.7U Active CN208689587U (en) | 2018-10-10 | 2018-10-10 | NFC device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208689587U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113067604A (en) * | 2020-01-02 | 2021-07-02 | 深圳市文鼎创数据科技有限公司 | NFC access control circuit and NFC device |
| CN113300743A (en) * | 2021-05-21 | 2021-08-24 | 广东天波信息技术股份有限公司 | NFC service device and electronic equipment |
-
2018
- 2018-10-10 CN CN201821646780.7U patent/CN208689587U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113067604A (en) * | 2020-01-02 | 2021-07-02 | 深圳市文鼎创数据科技有限公司 | NFC access control circuit and NFC device |
| CN113067604B (en) * | 2020-01-02 | 2022-08-30 | 深圳市文鼎创数据科技有限公司 | NFC access control circuit and NFC device |
| CN113300743A (en) * | 2021-05-21 | 2021-08-24 | 广东天波信息技术股份有限公司 | NFC service device and electronic equipment |
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