CN202196962U - Subscriber identity module (SIM) card socket - Google Patents

Subscriber identity module (SIM) card socket Download PDF

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Publication number
CN202196962U
CN202196962U CN2011202957391U CN201120295739U CN202196962U CN 202196962 U CN202196962 U CN 202196962U CN 2011202957391 U CN2011202957391 U CN 2011202957391U CN 201120295739 U CN201120295739 U CN 201120295739U CN 202196962 U CN202196962 U CN 202196962U
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CN
China
Prior art keywords
terminal
sim
base
chute
sim card
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Expired - Fee Related
Application number
CN2011202957391U
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Chinese (zh)
Inventor
肖则鹏
蔡佳谚
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Suyin Electronics Dongguan Co Ltd
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Suyin Electronics Dongguan Co Ltd
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Filing date
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Priority to CN2011202957391U priority Critical patent/CN202196962U/en
Application granted granted Critical
Publication of CN202196962U publication Critical patent/CN202196962U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a subscriber identity module (SIM) card socket. A containing space is formed by a base and a cover body of the socket, and an SIM card can be inserted into the containing space; the rear end of the containing space is provided with an elastic detection switch which is triggered by being touched by an inserting end of the SIM card inserted into the containing space; the detection switch comprises a left terminal and a right terminal which are made of elastic metal pieces, wherein the left terminal and the right terminal are respectively provided with a fixed end which is fixed relatively to the base, and a trigger end adjacent to the other one; the base is molded with a left check block and a right check block which are respectively used for stopping the left terminal and the right terminal; and the trigger ends in the left terminal and the right terminal form mutual non-contact stagger when being blocked by the left check block and the right check block. The SIM card socket has the advantages that firstly, pre-pressing effect is formed by the detection switch, so that a stable state of the detection switch can be maintained, and accidental trigger can not be caused; and secondly, the detection switch can be used for judging whether the SIM card is inserted into the SIM card socket or not and is beneficial to leading the SIM card to smoothly exit.

Description

A kind of sim card socket
Technical field:
The utility model relates to mobile communication and uses the appliance connector technical field, refers in particular to a kind of sim card socket.
Background technology:
SIM is the abbreviation of Subscriber Identity Module (client identification module), is also referred to as smart card, subscriber identification card.The digital mobile communication terminal must be loaded onto this card and can use.It has stored digital mobile phone client's information, Crypted password and other information on a chip.Apple has released a kind of Micro-SIM card at present.More traditional SIM is a little bit smaller for this card, so be referred to as Micro-SIM card (SIM lesser calorie) usually.No matter be that common SIM or SIM lesser calorie all need be inserted in the socket on the mobile communication terminal device when using.
Usually sim card socket has a plurality of terminals, and after inserting SIM in the socket, the contact site of socket inner terminal will contact with the electrode of SIM surface chip, forms to electrically connect.Common sim card socket comprises base and lid, and base and lid fasten each other and form a space that supplies SIM to insert.
Whether present sim card socket has inserted for detecting SIM, and an arrangement for detecting can be set usually.This arrangement for detecting adopts trigger switch usually, and in the groove that its surface that is arranged on base is offered, and an elastic switch slice in the trigger switch upwards highlights in the ccontaining space of SIM.After SIM inserts, through SIM the elastic switch slice of convexity is formed and to push effect downwards, thereby make trigger switch realize contact, accomplish the detecting operation.The elastic switch slice that raises up in this arrangement for detecting is because no any precompressed restriction, and its state can't remain on a stable state, receives external interference easily and forms triggering, forms the indication of mistake.Simultaneously and since have no parts to its formation stop that elastic switch slice is in the state that raises up always, it possibly form the SIM sheet that inserts interferes, and causes and can't insert smoothly.In addition, elastic switch slice is bottom-up upspringing in this arrangement for detecting, and it does not have the precompressed function to SIM, and it is unfavorable for withdrawing from automatically of SIM.
When SIM is inserted this space, directly insert a mouthful insertion to the SIM insertion end along the space and get final product.When SIM was taken out by the space, different production producer adopted various structure:
The simplest mode is that this space back end design is become open, advances to make things convenient for the user by the rear end, space the SIM forward end to be inserted mouthful direction, makes the SIM front end stretch out, and the user takes off it again.
Use mode comparatively easily is that an automatic device for ejecting is set in sim card socket, promptly when needs take out SIM, at first SIM is continued to push ahead, triggers automatic device for ejecting, and automatic device for ejecting will promote SIM and withdraw from automatically.
Though it is easy to use to have the sim card socket of automatic ejection, automatic device for ejecting the situation of " stuck " appears easily, cause SIM to be withdrawed from.
The utility model content:
Whether the utility model technical problem to be solved just is to overcome the existing deficiency of existing product, and a kind of sim card socket is provided, and this socket has in stable condition detection switch, can accurately detect SIM and insert in the socket.
The utility model technical problem to be solved just is to overcome the existing deficiency of existing product; A kind of sim card socket is provided; This socket not only has can detect the detection switch whether SIM inserts automatically, and this detection switch also helps withdrawing from automatically of SIM.
For solving the problems of the technologies described above; The present invention has adopted following technical scheme: this socket comprises: base, lid and terminal group; Wherein terminal group and base are one-body molded, and base and lid constitute the accommodation space that supplies SIM to insert, and the said terminal group SIM interior with inserting accommodation space forms electrical the contact; Described accommodation space rear end is provided with the elasticity detection switch; This detection switch of insertion end touching of SIM through inserting accommodation space triggers, and described detection switch comprises: the left terminal and the right terminal that adopt resilient metal member to make, wherein left and right terminal have respectively and relatively-stationary stiff end of base and contiguous each other trigger end; Form on the described base left and right terminal is formed left block and the right block that stops, the trigger end in the left and right terminal forms mutually non-touching staggered under the stopping of this left side block, right block.
Furthermore, in the technique scheme, the stiff end inlay card of said left terminal is fixed in the draw-in groove of chassis left side rear end, and the stiff end inlay card of described right terminal is fixed in the draw-in groove of rear end, base right side.
Furthermore, in the technique scheme, described left terminal main body to front curve, and its trigger end backward turnup form a ring body; Described right terminal main body is to front curve; The trigger end of described left terminal is positioned at the place ahead of right terminal trigger end, and the trigger end that promotes left terminal through the SIM that inserts accommodation space contacts with the trigger end of right terminal.
Furthermore, in the technique scheme, form the plane that contacts with left terminal on the described left block; Form the plane that contacts with right terminal on the described right block.
Furthermore, in the technique scheme, described accommodation space one side is provided with ejecting mechanism, and this ejecting mechanism has the slide block that the SIM sheet that inserts in the accommodation space is ejected.
Furthermore, in the technique scheme, described ejecting mechanism comprises: slidably be installed in the slide block on the base, the positioning runner that is arranged on spring, the guide rod between base and the slide block and takes shape in susceptor surface; Wherein slide block has forward the trend of operation through spring action, is formed with the extension of interfering with SIM at slide block near a side of accommodation space, and described guide rod one end is connected with slide block, and its other end has the location hook that cooperates with positioning runner.
Furthermore, in the technique scheme, described positioning runner by initial chute, get into chute, withdraw from chute and be communicated with chute and constitute the circulation chute, wherein be formed with detent in being communicated with to get on chute and the connection chute that withdraws from chute.
Furthermore; In the technique scheme, the position of corresponding ejecting mechanism is provided with a tongue piece on the described lid, and this tongue piece extends forward from the lid rear end and presses on above the guide rod; Through tongue piece guide rod is formed downward pressure, to keep can not breaking away from positioning runner in the guide rod running.
Furthermore, in the technique scheme, the described base left and right sides raises up and forms left and right side, forms clamping part in the outside of left and right side; The lid left and right sides extends to form the left and right side that cooperates with the left and right side of base downwards, and is provided with the button hole corresponding with above-mentioned clamping part in the left and right side.
After the utility model adopted technique scheme, with respect to present like product, it had following advantage:
1, the detection switch of the utility model is arranged at the rear end of accommodation space, and this detection switch adopts left and right sides fixed form, has increased the steadiness of terminal in the detection switch.
2, in the utility model in the detection switch left and right sides terminal form the precompressed effect through left and right sides block, can remain on stable state to guarantee left and right sides terminal, the situation of accidental triggering can not appear.
3, the detection switch in the utility model not only can judge in the socket whether inserted SIM, and when SIM withdraws from, the pressure that open form one-tenth is closed in this detecting will help withdrawing from smoothly of SIM.
4, the operation of the ejecting mechanism in the utility model is smooth and easy, the situation of " stuck " can not occur.
The utility model not only can be applied on the common SIM, and it also can be applicable on the SIM lesser calorie, and with respect to present like product, the utility model uses convenient.
Description of drawings:
Fig. 1 is the front view of the utility model;
Fig. 2 is the stereogram of the utility model;
Fig. 3 is the three-dimensional exploded view of the utility model;
Fig. 4 is the front view of the utility model base portion;
Fig. 5 is the stereogram of the utility model base portion.
Description of reference numerals:
1 base, 10 through holes, 11 left side, 111 clamping parts
12 right edge, 120 clamping parts, 121 clamping parts, 13 draw-in grooves
14 draw-in grooves, 15 left block 16 right block 17 mounting grooves
2 lids, 21 left surfaces, 22 right flanks, 23 leading flanks
20 breach, 24 tongue pieces, 210 button holes, 231 button holes
3 detection switch, 31 left terminal, 32 right terminal, 311 stiff ends
312 trigger ends, 321 stiff ends, 322 trigger ends, 4 ejecting mechanisms
41 slide blocks, 42 springs, 43 guide rods, 44 positioning runners
411 extensions, 431 location hooks, 441 initial chutes 442 get into chute
443 withdraw from chute 444 is communicated with chute 440 detents 5 terminal group
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described:
See that the utility model comprises shown in Fig. 1-5: base 1, lid 2, detection switch 3, ejecting mechanism 4 and terminal group 5.Wherein, base 1 fastens with lid 2 each other, forms the accommodation space that supplies SIM to insert between the two, during assembling, SIM is inserted by the front end inlet of accommodation space.
Referring to Fig. 3,4,5, described base 1 adopts insulating material to make, and its left and right sides raises up and forms left and right side 11,12.Lateral surface in left and right side 11,12 is formed with the clamping part 111,121 that fastens usefulness with lid 2.Offer by the through hole 10 that supplies terminal group 5 to appear in the zone line of base 1.
Referring to Fig. 3; Described lid 2 adopts metal material to make; Lid 2 left and right sides extend to form the left and right side 21,22 that cooperates with above-mentioned base 1 left and right side 11,12 downwards, and 21,22 are provided with the button hole 210 corresponding with above-mentioned clamping part 111,121 in the left and right side.
In addition, the front end on base 1 right side promptly is provided with the right side front end of ejecting mechanism 4, is provided with clamping part 120.2 pairs of lids should clamping part 120 the position be formed with a leading flank 23, and offer the button hole 231 corresponding on this leading flank 23 with above-mentioned clamping part 120.
Through being clasped of above-mentioned clamping part and corresponding button hole, make base 1 and lid 2 interconnect.
The position of corresponding ejecting mechanism 4 is formed with a breach 20 on the described lid 2, and with the lid 2 integrally formed tongue pieces 24 that are provided with, this tongue piece 24 extends forward from lid 2 rear ends in this breach 20.
Terminal group 5 is shaped on the base 1, and promptly terminal group 5 adopts and forms as a whole with base 1 integrated injection molding mode.Be provided with eight terminals in the present embodiment altogether, each terminal manifests through the through hole on the base 1 10 respectively.Insert the accommodation space of base 1 and lid 2 formations when SIM after, said terminal group 5 forms electrical the contact with SIM.
The rear end of the above-mentioned accommodation space that is made up of base 1 and lid 2 is provided with an elasticity detection switch 3.This detection switch 3 is installed in the front end of pedestal 1.Described detection switch 3 comprises: the left terminal 31 and right terminal 32 that adopt resilient metal member to make, this left and right terminal 31,32 have respectively and base 1 relatively-stationary stiff end 311,321 and contiguous each other trigger end 312,322.Trigger end 312,322 in the wherein left and right terminal 31,32 forms mutually non-touching staggered, and promptly the trigger end 312 of left terminal 31 is positioned at the front side, and the trigger end 322 of right terminal 32 is positioned at rear side, and the two can not contact under no external force effect.
Stiff end 311 inlay cards of said left terminal 31 are fixed in the draw-in groove 13 of rear end, base 1 left side, and the stiff end inlay card of described right terminal 32 is fixed in the draw-in groove 14 of rear end, base 1 right side.Described left terminal 31 main bodys to front curve, and its trigger end 312 backward turnup form a ring body; Described right terminal 32 main bodys are to front curve.Because left and right terminal self elastic construction, under self elastic force effect, it has the trend to the bending direction turnup, so on base 1, form left block 15 and the right block 16 that left and right terminal 31,32 formation are stopped.Stop that through 15,16 pairs of left and right terminals 31,32 formation of left and right block left and right terminal 31,32 will form pre-pressing force to left and right block 15,16.
Form the plane that contacts with left terminal 31 on the described left block 15; Form the plane that contacts with right terminal 32 on the described right block 16.Left and right terminal 31,32 forms the precompressed effect through left and right block 15,16 in the detection switch 3; To guarantee that left and right terminal 31,32 can remain on stable state; Under no external force effect, left and right terminal 31,32 can not contact, and the situation of accidental triggering promptly can not occur.Have only after SIM inserts accommodation space; Along with going deep into of SIM; The insertion end of SIM will touch the trigger end 312 of left terminal 31 in the detection switch 3, and promote left terminal 31 generation elastic deformations, thereby make the trigger end 312 of left terminal 31 contact with 322 formation of right terminal 32 trigger ends.Because in left terminal 31 and right terminal 32 places in circuit, when the two contacts, will produce triggering signal, this triggering signal just can be expressed as SIM and insert.
Be provided with ejecting mechanism 4 in the side of above-mentioned accommodation space, can the SIM that insert in the accommodation space be ejected through this ejecting mechanism 4.Described ejecting mechanism 4 comprises: slidably be installed in the slide block 41 on the base 1, the positioning runner 44 that is arranged on spring 42, the guide rod 43 between base 1 and the slide block 41 and takes shape in susceptor surface.Particularly, be formed with a mounting groove 17 on the right side of base 1, described slide block 41 slidably forms inlay card with mounting groove 17 and cooperates.Spring 42 is positioned at mounting groove 17, and its two ends are separately fixed between base 1 and the slide block 41, makes slide block 41 have the trend of operation forward through spring 42 effects.Be formed with SIM near a side of accommodation space at slide block 41 and form the extension 411 of interfering.Described guide rod 43 1 ends and slide block 41 flexibly connect, and its other end has the location hook 431 that cooperates with positioning runner 44.
Described positioning runner 44 by initial chute 441, get into chute 442, withdraw from chute 443 and be communicated with chute 444 and constitute the circulation chute, wherein be formed with detent 440 in being communicated with to get on chute 442 and the connection chute 444 that withdraws from chute 443.
The location hook 431 of guide rod 43 will move at slide block 41 drive lower edge positioning runners 44.This positioning runner 44 is a unidirectional chute; The operation of location hook 431 in positioning runner 44 that is guide rod 43 can only move according to following track: at first run to by initial chute 441 and get into chute 442; Secondly run to connection chute 444 by getting into chute 442; Then withdraw from chute 443, return initial chute 441 by withdrawing from chute 443 at last by being communicated with chute 444 entering.Why being unidirectional chute, is because stepped design is adopted in the intersection bottom surface of each chute in the positioning runner 44, prevents location hook 431 antikinesises of guide rod 43.Be communicated with the inclined design that chute 44 has adopted guiding simultaneously simultaneously, prevent location hook 431 antikinesises of guide rod 43, turn back in the entering chute 442.
Location hook 431 in order to ensure guide rod 43 can not eject positioning runner 44 in running, above positioning runner 44 regions, be provided with tongue piece 24.This tongue piece 24 is positioned at positioning runner 44 tops, and it will form a kind of downward pressure to location hook 431, prevent that location hook 431 from ejecting in running, break away from positioning runner 44.Simultaneously,, do not interfere, can move smoothly so guide rod 43 can not form with tongue piece 24 in running because this tongue piece 24 extends forward from lid 2 rear ends.Can not occur because the situation that formation " stuck " interfered at the location hook 431 of guide rod 43 and tongue piece 24 edges each other.
The course of work below in conjunction with the utility model further specifies it.
Under initial state; SIM does not insert in the accommodation space; Slide block 41 in the ejecting mechanism 4 is positioned at initiating terminal (promptly being positioned at the front end of mounting groove 17) under spring 42 effects, guide rod 43 is with slide block 41 interlocks, and its location hook 431 is positioned at the initial chute 441 of positioning runner 44.In this simultaneously, detection switch 3 is not triggered yet.
When SIM is inserted accommodation space, because the extension 411 of slide block 41 extends in the accommodation space,, the insertion front end of SIM interferes so at first forming with extension 411, i.e. the insertion of 411 pairs of SIMs of extension forms and stops.Under external force, SIM is progressively inserted, and its extension 411 that will promote slide block 41 is to the operation of the rear end of base 1.Guide rod 3 also will move with slide block 41 backward this moment, and its location hook 431 will be run to by initial chute 441 and get into chute 442.
After SIM advanced accommodation space fully, because the existence of left and right block 15,16, after this insertion front end of SIM ran to, and under the restriction of left and right block 15,16, can't continue to move ahead, and advance the external force of SIM to stop the application of force this moment.After the external thrust on the SIM stops the application of force, slide block 41 will form operation forward under spring 42 promotes, and its extension 411 will drive SIM and have the action to the operation of base 1 front end simultaneously.The location hook 431 of guide rod 43 also will be run to by the bottom that gets into chute 442 and be communicated with chute 444.Because being formed with a detent 440 in the interlock chute 444, thus after location hook 431 runs to detent 440, can't continue to move forward, and location hook 431 is limited in this position under spring 42 elastic force effects.So far, whole ejecting mechanism 4 is in a kind of poised state, can not continue operation.
Meanwhile; After SIM advances accommodation space fully; The insertion front end of SIM will touch the trigger end 312 of left terminal 31 in the detection switch 3, and promote left terminal 31 generation elastic deformations, thereby make the trigger end 312 of left terminal 31 contact with 322 formation of right terminal 32 trigger ends.Because in left terminal 31 and right terminal 32 places in circuit, when the two contacts, will produce triggering signal, this triggering signal just can be expressed as SIM and insert.Then, SIM drives with extension in the slide block 41 411 to be return behind the certain distance out of servicely, and keeps motionless, gets into operating state.
When needs withdraw from SIM, at first continue to promote SIM and go deep into accommodation space, and promote slide block 41 to the operation of the rear end of base 1 through extension 411.Guide rod 3 also will move with slide block 41 backward this moment, and its location hook 431 will withdraw from chute 443 by being communicated with chute 444 entering.When SIM runs to left and right block 15,16, stop to continue to promote, and stop the outside application of force.At this moment, SIM is being arrived to the thrust of slide block 41 simultaneously, and comes the thrust to detection switch 3, makes SIM ejected rapidly.And the location hook 431 of guide rod 43 also will return initial chute 441 by withdrawing from chute 443 in the ejecting mechanism 4.So far, the utility model returns to initial state again, waits for that SIM inserts next time.
Certainly; The above only is the embodiment of the utility model; Be not to limit the utility model practical range, all equivalences of doing according to the described structure of the utility model claim, characteristic and principle change or modify, and all should be included in the utility model claim.

Claims (9)

1. sim card socket; Comprise: base, lid and terminal group; Wherein terminal group and base are one-body molded, and base and lid constitute the accommodation space that supplies SIM to insert, and the said terminal group SIM interior with inserting accommodation space forms electrical the contact; Described accommodation space rear end is provided with the elasticity detection switch; This detection switch of insertion end touching of SIM through inserting accommodation space triggers, and it is characterized in that: described detection switch comprises: the left terminal and the right terminal that adopt resilient metal member to make, wherein left and right terminal have respectively and relatively-stationary stiff end of base and contiguous each other trigger end; Form on the described base left and right terminal is formed left block and the right block that stops, the trigger end in the left and right terminal forms mutually non-touching staggered under the stopping of this left side block, right block.
2. a kind of sim card socket according to claim 1 is characterized in that: the stiff end inlay card of said left terminal is fixed in the draw-in groove of chassis left side rear end, and the stiff end inlay card of described right terminal is fixed in the draw-in groove of rear end, base right side.
3. a kind of sim card socket according to claim 1 is characterized in that: described left terminal main body is to front curve, and its trigger end backward turnup form a ring body; Described right terminal main body is to front curve; The trigger end of described left terminal is positioned at the place ahead of right terminal trigger end, and the trigger end that promotes left terminal through the SIM that inserts accommodation space contacts with the trigger end of right terminal.
4. a kind of sim card socket according to claim 1 is characterized in that: form the plane that contacts with left terminal on the described left block; Form the plane that contacts with right terminal on the described right block.
5. according to any described a kind of sim card socket among the claim 1-4, it is characterized in that: described accommodation space one side is provided with ejecting mechanism, and this ejecting mechanism has the slide block that the SIM sheet that inserts in the accommodation space is ejected.
6. a kind of sim card socket according to claim 5 is characterized in that: described ejecting mechanism comprises: slidably be installed in the slide block on the base, the positioning runner that is arranged on spring, the guide rod between base and the slide block and takes shape in susceptor surface; Wherein slide block has forward the trend of operation through spring action, is formed with the extension of interfering with SIM at slide block near a side of accommodation space, and described guide rod one end is connected with slide block, and its other end has the location hook that cooperates with positioning runner.
7. a kind of sim card socket according to claim 6; It is characterized in that: described positioning runner by initial chute, get into chute, withdraw from chute and be communicated with the circulation chute that chute constitutes, wherein be formed with detent in being communicated with to get on chute and the connection chute that withdraws from chute.
8. a kind of sim card socket according to claim 6 is characterized in that: the position of corresponding ejecting mechanism is provided with a tongue piece on the described lid, and this tongue piece extends forward from the lid rear end and presses on above the guide rod.
9. a kind of sim card socket according to claim 1 is characterized in that: the described base left and right sides raises up and forms left and right side, forms clamping part in the outside of left and right side; The lid left and right sides extends to form the left and right side that cooperates with the left and right side of base downwards, and is provided with the button hole corresponding with above-mentioned clamping part in the left and right side.
CN2011202957391U 2011-08-15 2011-08-15 Subscriber identity module (SIM) card socket Expired - Fee Related CN202196962U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011202957391U CN202196962U (en) 2011-08-15 2011-08-15 Subscriber identity module (SIM) card socket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011202957391U CN202196962U (en) 2011-08-15 2011-08-15 Subscriber identity module (SIM) card socket

Publications (1)

Publication Number Publication Date
CN202196962U true CN202196962U (en) 2012-04-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011202957391U Expired - Fee Related CN202196962U (en) 2011-08-15 2011-08-15 Subscriber identity module (SIM) card socket

Country Status (1)

Country Link
CN (1) CN202196962U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105340138A (en) * 2014-04-25 2016-02-17 华为终端有限公司 SIM card cassette and mobile terminal provided with SIM card cassette
CN105826096A (en) * 2016-03-30 2016-08-03 维沃移动通信有限公司 Spring switch and detection apparatus
US9985674B2 (en) 2014-04-25 2018-05-29 Huawei Device (Dongguan) Co., Ltd. SIM card connector and mobile terminal having the SIM card connector

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105340138A (en) * 2014-04-25 2016-02-17 华为终端有限公司 SIM card cassette and mobile terminal provided with SIM card cassette
US9985674B2 (en) 2014-04-25 2018-05-29 Huawei Device (Dongguan) Co., Ltd. SIM card connector and mobile terminal having the SIM card connector
US10027360B2 (en) 2014-04-25 2018-07-17 Huawei Device (Dongguan) Co., Ltd. SIM card connectorfor preventing SIM card burnout by detecting insertion and removal of the SIM card
CN105826096A (en) * 2016-03-30 2016-08-03 维沃移动通信有限公司 Spring switch and detection apparatus
CN105826096B (en) * 2016-03-30 2018-07-27 维沃移动通信有限公司 A kind of elastic sheet switch and detection device

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120418

Termination date: 20180815