CN108923802A - Means for anti-jamming, SIM card attachment device and electronic equipment - Google Patents
Means for anti-jamming, SIM card attachment device and electronic equipment Download PDFInfo
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- CN108923802A CN108923802A CN201810540652.2A CN201810540652A CN108923802A CN 108923802 A CN108923802 A CN 108923802A CN 201810540652 A CN201810540652 A CN 201810540652A CN 108923802 A CN108923802 A CN 108923802A
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- Prior art keywords
- sim card
- module
- jamming
- interference signal
- filter
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
- H04B1/1036—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal with automatic suppression of narrow band noise or interference, e.g. by using tuneable notch filters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3816—Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The embodiment of the present invention is a kind of means for anti-jamming, SIM card attachment device and electronic equipment, is related to field of mobile terminals.For solve in the prior art carry out SIM card it is anti-interference during higher cost, stability is poor and invents, including：Earthing module and filter module；The earthing module with the ground terminal in sim card connector for connecting, the earthing module is connect with described filter module one end, the earthing module is used for when there are when the first interference signal in the sim card connector, first interference signal is transmitted in the filter module, the filter module is for receiving first interference signal and being filtered.The embodiment of the present invention is for realizing the SIM card anti-interference function in mobile terminal.
Description
Technical field
The present embodiments relate to technical field of mobile terminals, more particularly to a kind of means for anti-jamming, SIM card connection dress
It sets and electronic equipment.
Background technique
With the continuous development of technology, the improvement of people's living standards, mobile terminal have become pith in life.Make
For the core of mobile terminal, the working condition of SIM card will directly affect the operating experience of user.When SIM card is interfered, meeting
There is the problem of speech signal difference, situations such as call is cut off even occur, therefore, for how to improve SIM card and mobile terminal
Between signal interference the case where, the gradually attention by personage in field.
Currently, in the prior art, the interference between reduction SIM card and mobile terminal, it will usually in sim card connector
Metallic shield piece is set on card slot to shield interference signal, or using multipoint earthing mode using ground terminal by interference signal into
Row export, to avoid interference.However, in practical applications, metallic shield piece needs to close the card slot of entire sim card connector
Get up, needs using more metal material, higher cost；In addition, being deposited after prolonged use using multipoint earthing formula scheme
The problem of poor contact, is easy to influence subsequent anti-jamming effectiveness, and stability is poor.Therefore, how to design it is a kind of save at
This while, moreover it is possible to ensure jamproof stability, become urgent problem to be solved in field.
Summary of the invention
One purpose of the embodiment of the present invention is, provides a kind of means for anti-jamming, SIM card attachment device and electronics and sets
It is standby, it is to be solved be how to design one kind can be while save the cost, moreover it is possible to ensure the anti-dry of jamproof stability
Disturb device, SIM card attachment device and electronic equipment.
A kind of means for anti-jamming that the embodiment of the present invention proposes comprising：
Earthing module and filter module；
The earthing module with the ground terminal in sim card connector for connecting, the earthing module and the filtering mould
Block one end connection, the earthing module be used for when in the sim card connector exist when the first interference signal, by first interference letter
It number is transmitted in the filter module, the filter module is for receiving first interference signal and being filtered.
Optionally, for connecting with the ground terminal of pcb board, the filter module is also used to the other end of the filter module
When, there are when the second interference signal, receiving second interference signal and being filtered, the pcb board is interior in the pcb board
The printed circuit board being placed in electronic equipment.
Optionally, the filter module is specially bandstop filter；
Wherein, the bandstop filter includes input terminal and output end, and the input terminal of the bandstop filter is used for and institute
Earthing module connection is stated, the output end of the bandstop filter with the pcb board ground terminal for connecting.
Optionally, the earthing module is specially metal plate, the metal plate for be arranged with the sim card connector
The opposite position in card slot bottom.
Optionally, the card slot of the metal plate and the sim card connector forms installation space, and the installation space is used for
SIM card is installed.
Optionally, the metal plate is flexibly connected with the sim card connector.
Optionally, abutted between the metal plate and the input terminal of the bandstop filter, the bandstop filter it is defeated
Outlet with the plate earthing end of the PCB for abutting.
Optionally, it is connected between the metal plate and the input terminal of the bandstop filter by conducting wire, the band resistance filter
It is connected between the output end of wave device and the pcb board ground terminal by conducting wire.
Optionally, described device further includes：
The bandstop filter is set between the sim card connector and the pcb board.
Further, the embodiment of the invention also provides a kind of SIM card attachment device for solving above-mentioned technical problem, packets
It includes：
Sim card connector；
And means for anti-jamming as described in any one of the above embodiments；
Ground terminal connection in the earthing module and sim card connector of the means for anti-jamming.
Further, the embodiment of the invention also provides a kind of electronic equipments for solving above-mentioned technical problem, including：
SIM card attachment device described above is provided in the electronic equipment.
By above-mentioned technical proposal, means for anti-jamming of the embodiment of the present invention, SIM card attachment device and electronic equipment at least have
There are following advantages：
In technical solution of the embodiment of the present invention, the means for anti-jamming, SIM card attachment device and electronic equipment, wherein institute
It states in means for anti-jamming and includes：Earthing module and filter module；The earthing module is used for and the ground terminal in sim card connector
Connection, the earthing module are connect with described filter module one end, and the earthing module is used in the sim card connector deposit
In the first interference signal, the first interference signal is transmitted in the filter module, the filter module is described for receiving
First interference signal is filtered.Compared with prior art, the embodiment of the present invention by setting for in sim card connector
The earthing module of ground terminal connection, it can be ensured that when in sim card connector there are when interference signal, can by the interference signal into
Row export, the influence for avoiding the interference signal from working normally the SIM card in sim card connector.By the way that filter module, energy is arranged
Enough filterings realized to interference signal, avoid influence of the interference signal to sim card connector.Since filter module can be steady for a long time
The filtering of fixed carry out interference signal, and then that there are stability is poor it may thereby be ensured that avoiding the prior art using multipoint earthing
The problem of, also, since filter module is cheap, manufacture is saved compared with using the anti-interference mode of bulk metal shielding case
Cost.
Above description is only the general introduction of technical solution of the embodiment of the present invention, in order to better understand the embodiment of the present invention
Technological means, and can be implemented in accordance with the contents of the specification, below with the preferred embodiment of the embodiment of the present invention and cooperation
Detailed description is as follows for attached drawing.
Detailed description of the invention
Fig. 1 is a kind of composition block diagram for means for anti-jamming that the embodiment of the embodiment of the present invention provides；
Fig. 2 is the composition block diagram for another means for anti-jamming that the embodiment of the embodiment of the present invention provides；
Fig. 3 is a kind of practical structures figure for means for anti-jamming that the embodiment of the embodiment of the present invention provides；
Fig. 4 is a kind of composition block diagram for SIM card attachment device that the embodiment of the embodiment of the present invention provides.
Specific embodiment
Further to illustrate that the embodiment of the present invention is the technical means and efficacy reaching predetermined goal of the invention and being taken, with
Lower combination attached drawing and preferred embodiment, to means for anti-jamming, SIM card attachment device and the electronics proposed according to an embodiment of the present invention
Equipment, specific embodiment, method, structure, feature and its effect, detailed description is as follows.In the following description, different
What " embodiment " or " embodiment " referred to is not necessarily the same embodiment.In addition, special characteristic, knot in one or more embodiments
Structure or feature can be combined by any suitable form.
A kind of means for anti-jamming that the embodiment one of the embodiment of the present invention proposes, specifically as shown in Figure 1, the device packet
It includes：Earthing module 11 and filter module 12, wherein
Earthing module 11 with the ground terminal in sim card connector for connecting, earthing module 11 and 12 one end of filter module
Connection, earthing module 11 are used for when, there are when the first interference signal, the first interference signal being transmitted to filtering in sim card connector
In module 12, filter module 12 is for receiving the first interference signal and being filtered.
When in sim card connector there are when interference signal, i.e. the first interference signal described in the embodiment of the present invention, the signal
The earthing module 11 of the means for anti-jamming of implementation of the embodiment of the present invention can be transmitted to by the ground terminal in sim card connector
In, and be transmitted in filter module 12 from earthing module 11, since filter module 12 has the filtering function of interference signal, because
This, after the first interference information is transmitted in filter module 12, which can be filtered by filter module 12,
Influence so as to avoid the interference signal as present in sim card connector to circuit in pcb board, to realize jamproof
Function.
It should be noted that in embodiments of the present invention, the filtering module in means for anti-jamming can be specially band resistance filter
Wave device or other kinds of filter here, the specific type for filter module is not specifically limited, but are ensured that selected
The specific device of the filter module taken can be realized the filtering function to interference signal.
By foregoing description, the embodiment of the invention provides a kind of means for anti-jammings, compared with prior art, the present invention
Embodiment is by being arranged the earthing module for connecting with the ground terminal in sim card connector, it can be ensured that works as sim card connector
In there are when interference signal, which can be exported, avoid the interference signal to the SIM in sim card connector
Block the influence worked normally.By the way that filter module is arranged, it can be realized the filtering to interference signal, avoid interference signal to SIM
The influence of card connector.In addition, one end by filter module is connect with earthing module, it can be ensured that when in sim card connector
There are when the first interference signal, filter module receives the first interference signal and is filtered.Since filter module can be steady for a long time
The filtering of fixed carry out interference signal, and then that there are stability is poor it may thereby be ensured that avoiding the prior art using multipoint earthing
The problem of, also, since filter module is cheap, manufacture is saved compared with using the anti-interference mode of bulk metal shielding case
Cost.
The embodiment of the embodiment of the present invention also one proposes another means for anti-jamming, specifically as shown in Fig. 2, wherein wrapping
It includes：Earthing module 21 and filter module 22, wherein
Earthing module 21 with the ground terminal in sim card connector for connecting, earthing module 21 and 22 one end of filter module
Connection, earthing module 21 are used for when, there are when the first interference signal, the first interference signal being transmitted to filtering in sim card connector
In module 22, filter module 22 is for receiving the first interference signal and being filtered；
Due to the earthing module and filter module for including in means for anti-jamming in embodiments of the present invention, with aforementioned implementation
Example is identical, therefore, the first interference signal, the second interference signal in the embodiment of the present invention and by filter module to first
Interference signal, the filter process of the second interference signal are consistent with the description in previous embodiment, and this is no longer going to repeat them.
In the specific implementation, the other end of filter module 22 for connecting with the ground terminal of pcb board, also use by filter module 22
In when there are when the second interference signal, receive the second interference signal and be filtered in pcb board.
As a result, when there are when interference signal, i.e., the second interference signal in the embodiment of the present invention, which can in pcb board
To be transmitted to by pcb board ground terminal in the filter module 22 of the means for anti-jamming of implementation of the embodiment of the present invention, based on filtering mould
Second interference signal can be filtered, in this way, avoiding in pcb board by the filtering function of the interference signal of block 22
Influence of the interference signal to sim card connector, so as to avoid the influence worked normally to SIM card, to realize interference letter
Number anti-interference function.
In some embodiments, filter module 22 is specially bandstop filter 221；
Wherein, bandstop filter 221 includes input terminal 2211 and output end 2212, the input terminal of bandstop filter 221
2211 with earthing module 21 for connecting, and the output end 2212 of bandstop filter 221 with pcb board ground terminal for connecting.
As a result, since bandstop filter can be filtered the interference signal of default frequency range, pass through the band needed for choosing
Filter is hindered as filter module, it can be ensured that realizes the filtering function to interference signal in required band limits, has preferable
Flexibility.Also, it by the way that the input terminal of bandstop filter to be connect with earthing module, can be realized to earthing module direction
The filtering of first interference signal can be realized pair in addition, connected by the ground terminal of the output end of bandstop filter and pcb board
The filtering of second interference signal in pcb board direction.
In some embodiments, earthing module 21 be specially metal plate 211, metal plate 211 for be arranged with SIM card
The opposite position in the card slot bottom of connector.
As a result, by setting metal plate for earthing module, the export function to interference signal can be realized, meanwhile, by
It after being arranged to metal plate, can be connected as needed in the different position of metal sites with filter module, there is setting spirit
Feature living.
In the specific implementation, the card slot of metal plate 211 and sim card connector forms installation space, and installation space is for pacifying
Fill SIM card.
In order to save the space in electronic equipment, the space hold of means for anti-jamming entirety is reduced, it can will present invention reality
It applies the earthing module 21 in example and is fabricated to metal plate 211, and the card slot that sim card connector is arranged in the gold 12 category plate 211 is empty
Between relative position, can be used for installing the space of SIM card so that the metal plate 211 and card slot space are formed, certainly, in this hair
In bright embodiment, the position of metal plate 211 and shape can be chosen according to actual needs, be not specifically limited herein.Therefore, lead to
It crosses and the card slot of metal plate and sim card connector is formed into installation space, can be while ensuring to export interference signal, Neng Gouwei
The offer installation space of SIM card saves the overall space of electronic equipment without additional setting SIM card cover board.
In the specific implementation, metal plate 211 is flexibly connected with sim card connector.
It is flexibly connected between sim card connector by being arranged metal plate 211, it can be ensured that the metal plate 211 is in energy
While enough carrying out interference signal export, moreover it is possible to be connected between sim card connector in a manner of flexible connection, it is ensured that installation
Convenience during SIM card, wherein the concrete mode of flexible connection can be chosen according to actual needs, not do herein
It is specific to limit.
In the specific implementation, it is abutted between metal plate 211 and the input terminal 2211 of bandstop filter 221, bandstop filter
221 output end 2212 with the plate earthing end of PCB for abutting.
By the way that metal plate is abutted with the input terminal of bandstop filter, the output end and pcb board ground terminal of bandstop filter
It abuts, can further reduce the space saved between metal plate, bandstop filter and pcb board in connection procedure to abut
It occupies, and then reduces means for anti-jamming described in the embodiment of the present invention to the occupancy in space.
In some embodiments, connected between metal plate 211 and the input terminal 2211 of bandstop filter 221 by conducting wire
It connects, is connected between the output end 2212 and pcb board ground terminal of bandstop filter 221 by conducting wire.
It is connected by conducting wire between metal plate, bandstop filter and pcb board, it can be ensured that in the steady of transmission interference signal
It is qualitative, and then improve the jamproof stability of means for anti-jamming described in the embodiment of the present invention.
In the specific implementation, device further includes：
Bandstop filter 221 is set between sim card connector and pcb board.
Connected between machine and pcb board by the way that bandstop filter 221 is set to SIM card, means for anti-jamming can be reduced
To the occupancy in space, the micromation for carrying the intelligent terminal of means for anti-jamming, portability are improved.
Specifically, in embodiments of the present invention, the connection between modules in the aforementioned means for anti-jamming is closed
System can also specifically as shown in Figure 3, wherein the means for anti-jamming is set to pcb board ground terminal and SIM connector ground terminal
Between, also, the conflict connection that the connection relationship between the filter module 22 and earthing module 21 can be as shown in Figure 3, band
The input terminal 2211 of resistance filter 221 is connect with earthing module 21, and the output end 2212 and pcb board of bandstop filter 221 are grounded
The ground terminal of end connection, earthing module 21 and sim card connector, which contradicts, to be connected.
It should be noted that actual positional relationship shown in Fig. 3 is only used as illustratively, resist described in the embodiment of the present invention
The actual setting position of countermeasure set includes but is not limited to mode shown in Fig. 3, can specifically be set according to actual needs
It sets, does not do specific restriction herein.
Further, the embodiment of the invention also provides a kind of SIM card attachment devices, as shown in figure 4, including：SIM
Card connector 31；
And the means for anti-jamming 32 such as any one of previous embodiment, wherein the earthing module of means for anti-jamming 32
321 connect with the ground terminal 311 in sim card connector 31.
By the way that sim card connector is connect with means for anti-jamming, it can be ensured that the connection of SIM card described in the embodiment of the present invention
Device is in the filtering function that can be realized interference signal, and compared with previous shielding case mode, no setting is required shielding case is saved
Material.Meanwhile with it is existing using the means for anti-jamming of multipoint earthing formula compared with, avoiding Long Term Contact leads to anti-jamming signal
The poor problem of stabilizability, improves the stability of interference free performance.
Further, the embodiment of the invention also provides a kind of electronic equipment, wherein aforementioned reality is provided in electronic equipment
Apply SIM card attachment device in example.
As a result, by being provided with SIM card attachment device described in previous embodiment in mobile terminal, existing movement can be avoided
The poor problem of the stability of terminal interference free performance is not necessarily to simultaneously as using SIM card attachment device described above
The shielding case being installed on outside SIM connector is set, the use to metal material can be reduced, cost is relatively low.
By foregoing description, the embodiment of the invention provides a kind of means for anti-jamming, SIM card attachment device and electronics to set
It is standby, there is a problem of that higher cost, stability are poor for anti-interference mode used in the prior art, the embodiment of the present invention
By the way that earthing module for connecting with the ground terminal in sim card connector is arranged, it can be ensured that when existing in sim card connector
When interference signal, which can be exported, avoid the interference signal normal to the SIM card in sim card connector
The influence of work.By the way that filter module is arranged, it can be realized the filtering to interference signal, interference signal avoided to connect SIM card
The influence of device.In addition, being connect by one end of filter module with earthing module, it can be ensured that when there are the in sim card connector
When one interference signal, filter module receives the first interference signal and is filtered.Also, by by the other end of filter module with
The ground terminal of pcb board connects, it can be ensured that when pcb board exists when the second interference signal, the second interference signal of filtering.Due to filtering
Module can be steady in a long-term carries out interference signal filtering, and then it may thereby be ensured that the prior art is avoided to use multipoint earthing
There is a problem of that stability is poor, also, since filter module is cheap, with the anti-interference side using bulk metal shielding case
Formula is compared to saving manufacturing cost.
Meanwhile by the bandstop filter needed for choosing as filter module, it can be ensured that realize to required band limits
The filtering function of interior interference signal has preferable flexibility.Also, by by the input terminal and earthing module of bandstop filter
Connection, can be realized the filtering to first interference signal in earthing module direction, in addition, by the output end of bandstop filter with
The ground terminal of pcb board connects, and can be realized the filtering to second interference signal in pcb board direction.Earthing module is specially metal
Plate, and metal plate is arranged in the position opposite with the card slot bottom of sim card connector, it is formed and is pacified with the card slot of sim card connector
Space is filled, so that installation space is for installing SIM card, the space hold of means for anti-jamming entirety can be reduced, taken to save
Carry the inner space of the electronic equipment of means for anti-jamming.Further, by that will live between metal plate setting and sim card connector
Dynamic connection, it can be ensured that the metal plate is while being able to carry out interference signal export, moreover it is possible in a manner of flexible connection and SIM
It is connected between card connector, it is ensured that the convenience during installation SIM card.
In addition, connecting between machine and pcb board by the way that bandstop filter is set to SIM card, means for anti-jamming can be reduced
The occupancy to space, improve the micromation of intelligent terminal for carrying means for anti-jamming, portability.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
It is understood that the correlated characteristic in the above method and device can be referred to mutually.In addition, in above-described embodiment
" first ", " second " etc. be and not represent the superiority and inferiority of each embodiment for distinguishing each embodiment.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that the embodiment of the present invention
Embodiment can practice without these specific details.In some instances, well known side is not been shown in detail
Method, structure and technology, so as not to obscure the understanding of this specification.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more of the various inventive aspects,
Above in the description of the exemplary embodiment of the embodiment of the present invention, each feature of the embodiment of the present invention is grouped together sometimes
Into single embodiment, figure or descriptions thereof.However, the disclosed method should not be interpreted as reflecting the following intention：
I.e. the claimed invention embodiment requires features more more than feature expressly recited in each claim.More
Exactly, as reflected in the following claims, inventive aspect is less than single embodiment disclosed above
All features.Therefore, it then follows thus claims of specific embodiment are expressly incorporated in the specific embodiment, wherein
Separate embodiments of each claim as the embodiment of the present invention itself.
Those skilled in the art will understand that can be carried out adaptively to the module in the equipment in embodiment
Change and they are arranged in one or more devices different from this embodiment.It can be the module or list in embodiment
Member or component are combined into a module or unit or component, and furthermore they can be divided into multiple submodule or subelement or
Sub-component.Other than such feature and/or at least some of process or unit exclude each other, it can use any
Combination is to all features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed
All process or units of what method or apparatus are combined.Unless expressly stated otherwise, this specification is (including adjoint power
Benefit require, abstract and attached drawing) disclosed in each feature can carry out generation with an alternative feature that provides the same, equivalent, or similar purpose
It replaces.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is real in the present invention
It applies within the scope of example and forms different embodiments.For example, in the following claims, implementation claimed
Example it is one of any can in any combination mode come using.
The embodiment of the present invention is carried out it should be noted that above-described embodiment illustrates rather than the embodiment of the present invention
Limitation, and those skilled in the art can be designed alternative embodiment without departing from the scope of the appended claims.
In the claims, any reference symbol between parentheses should not be configured to limitations on claims.Word " packet
Containing " do not exclude the presence of element or step not listed in the claims.Word "a" or "an" located in front of the element is not arranged
Except there are multiple such elements.The embodiment of the present invention can by means of include several different elements hardware and by means of
Properly programmed computer is realized.In the unit claims listing several devices, several in these devices can
To be to be embodied by the same item of hardware.The use of word first, second, and third does not indicate any sequence.
These words can be construed to title.
Claims (10)
1. a kind of means for anti-jamming, which is characterized in that including：Earthing module and filter module；
The earthing module with the ground terminal in sim card connector for connecting, the earthing module and the filter module one
End connection, the earthing module be used for when in the sim card connector exist when the first interference signal, by the first interference signal biography
It transports in the filter module, the filter module is for receiving first interference signal and being filtered.
2. means for anti-jamming according to claim 1, which is characterized in that
For connecting with the ground terminal of pcb board, the filter module is also used to when the pcb board other end of the filter module
Middle to receive second interference signal and be simultaneously filtered there are when the second interference signal, the pcb board is to be built in electronic equipment
In printed circuit board.
3. means for anti-jamming described according to claim 1, which is characterized in that the filter module is specially bandstop filter；
Wherein, the bandstop filter includes input terminal and output end, and the input terminal of the bandstop filter with described for connecing
The connection of ground module, the output end of the bandstop filter with the pcb board ground terminal for connecting.
4. the means for anti-jamming according to claim 3, which is characterized in that
The earthing module is specially metal plate, and the metal plate is used to that the card slot bottom phase with the sim card connector to be arranged in
Pair position.
5. means for anti-jamming according to claim 4, which is characterized in that
The card slot of the metal plate and the sim card connector forms installation space, and the installation space is for installing SIM card.
6. means for anti-jamming according to claim 4, which is characterized in that
The metal plate is flexibly connected with the sim card connector.
7. means for anti-jamming according to claim 4, which is characterized in that
It is abutted between the metal plate and the input terminal of the bandstop filter, the output end of the bandstop filter is used for and institute
The plate earthing end for stating PCB abuts；
Alternatively, connected between the metal plate and the input terminal of the bandstop filter by conducting wire, the bandstop filter
It is connected between output end and the pcb board ground terminal by conducting wire.
8. means for anti-jamming described in any one of -7 according to claim 1, which is characterized in that including：
The bandstop filter is set between the sim card connector and the pcb board.
9. a kind of SIM card attachment device, which is characterized in that including：
Sim card connector；
And such as means for anti-jamming of any of claims 1-8；
Ground terminal connection in the earthing module and sim card connector of the means for anti-jamming.
10. a kind of electronic equipment, which is characterized in that including：
SIM card attachment device as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810540652.2A CN108923802B (en) | 2018-05-30 | 2018-05-30 | Anti-jamming device, SIM card connecting device and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810540652.2A CN108923802B (en) | 2018-05-30 | 2018-05-30 | Anti-jamming device, SIM card connecting device and electronic equipment |
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| CN108923802A true CN108923802A (en) | 2018-11-30 |
| CN108923802B CN108923802B (en) | 2020-03-06 |
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| CN201810540652.2A Active CN108923802B (en) | 2018-05-30 | 2018-05-30 | Anti-jamming device, SIM card connecting device and electronic equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109818684A (en) * | 2019-01-25 | 2019-05-28 | 维沃移动通信有限公司 | Signal processing system and terminal device |
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| CN107453344A (en) * | 2017-08-31 | 2017-12-08 | 广东欧珀移动通信有限公司 | Electrostatic protection apparatus, radio circuit and electronic equipment |
| CN107565530A (en) * | 2017-08-31 | 2018-01-09 | 广东欧珀移动通信有限公司 | Electrostatic protection apparatus, radio circuit and electronic equipment |
| CN107592593A (en) * | 2017-08-31 | 2018-01-16 | 广东欧珀移动通信有限公司 | Protection circuit, radio circuit and electronic equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109818684A (en) * | 2019-01-25 | 2019-05-28 | 维沃移动通信有限公司 | Signal processing system and terminal device |
| CN109818684B (en) * | 2019-01-25 | 2020-10-27 | 维沃移动通信有限公司 | Signal processing system and terminal device |
| US11652558B2 (en) | 2019-01-25 | 2023-05-16 | Vivo Mobile Communication Co., Ltd. | Signal processing system and terminal device |
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| CN108923802B (en) | 2020-03-06 |
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