CN202135121U - SIM card circuit and mobile phone of dual card, dual standby and dual pass mobile phone - Google Patents
SIM card circuit and mobile phone of dual card, dual standby and dual pass mobile phone Download PDFInfo
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- CN202135121U CN202135121U CN201120056362U CN201120056362U CN202135121U CN 202135121 U CN202135121 U CN 202135121U CN 201120056362 U CN201120056362 U CN 201120056362U CN 201120056362 U CN201120056362 U CN 201120056362U CN 202135121 U CN202135121 U CN 202135121U
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Abstract
The present utility model discloses an SIM card circuit and a mobile phone of a dual card, dual standby and dual pass mobile phone. The SIM card circuit comprises two card slots and two different baseband chips, the first card slot is designed to support SIM cards of one network standard, and the second card slot is designed to support SIM cards of two network standards. A power supply pin, a reset pin and a clock pin of the first card slot are correspondingly connected with corresponding pins of the first baseband chip, and a data pin of the first card slot is selectively pulled up to a card power supply output pin of the first baseband chip or connected with a data pin of the first baseband chip through a path of gating device. Various paths of pins of the second card slot are selectively and respectively connected corresponding pins of the first baseband chip or the second baseband chip through a path of gating device, and the gating devices are controlled by switching signals output by the first baseband chip to switch. In the SIM card circuit, according to the standard requirement of the application of SIM cards, the signals communication of switching circuits between the card slots and the baseband chips is simplified, and the structure is simple and the effect is obvious.
Description
Technical field
The utility model belongs to the mobile communication terminal technical field, specifically, relates to a kind of mobile phone card circuit design of dual-card dual-standby dual-pass mobile phone and dual-card dual-standby dual-pass mobile phone that adopts said mobile phone card circuit structure design of being applicable to.
Background technology
Dual-mode handset is at first proposed in 2004 by China mobile operator CHINAUNICOM, and CHINAUNICOM's opinion has also been released the dual-mode handset of crossing over GSM, two different network formats of CDMA.Samsung, LG, Motorola are first enterprises that releases this truly dual-mode handset.Though the GSM/CDMA dual-mode handset that this three tame international business is released has been accomplished " machine is held hand, two being stuck in "; But can not accomplish the standby simultaneously of the two cards of GSM/CDMA, that is to say to have only a card can be in holding state; The user wants handover network, must be through manually accomplishing.Therefore, still can not solve the consumer who has CDMA, two cards of GSM and only need carry the demand that a mobile phone just can accomplish that the phone of two cards does not miss.
Double model double standby phone is the contribution of China's manufacturer to the whole world; Double model double standby phone can be supported CDMA, two networks of GSM simultaneously; Two networks can be simultaneously at net, and random time can be used any card in the machine, and also the someone is referred to as " dual-card dual-standby dual-pass mobile phone ".Since 2006 domestic CDMA, GSM double model double standby phone have appearred and since, not only on high-end user is striven for, obtained success, this pattern has also obtained international giants' such as high pass approval.And except the CDMA double model double standby phone of UNICOM, GSM/TD dual-mode handset, GSM/ Personal Handyphone System dual-mode handset that other producers release are also accepted in the industry gradually, and the dual-card dual-standby dual-pass mobile phone more is considered to current main product.
Present dual-card dual-standby dual-pass mobile phone also all is to adopt two cover baseband chips to support double-mode and double-standby function, such as CDMA baseband chip and GSM baseband chip etc. are set in a mobile phone simultaneously.But the code requirement of using according to the mobile phone card: the CDMA card can use in two draw-in grooves, and the GSM card can only use on a draw-in groove therein.Therefore, how to realize on circuit that the connected relation of automatic switchover draw-in groove holding wire and baseband chip is the subject matter that present dual-card dual-standby dual-pass mobile-phone manufacturers all face according to the mobile phone blocking formula of inserting in the draw-in groove.
The utility model content
The purpose of the utility model is to provide a kind of mobile phone card circuit of dual-card dual-standby dual-pass mobile phone, two mobile phones is stuck under the prerequisite of the code requirement in the application satisfying the dual-card dual-standby dual-pass mobile phone, simplifies the circuit design of mobile phone card, reduces hardware cost.
For solving the problems of the technologies described above, the utility model adopts following technical scheme to be achieved:
A kind of mobile phone card circuit of dual-card dual-standby dual-pass mobile phone comprises the baseband chip of two draw-in grooves and two different network formats defining the mobile phone card that first draw-in groove is supported a kind of network formats that second draw-in groove is supported the mobile phone card of two kinds of network formats; With the corresponding respective pin that is connected first baseband chip of power pins, reset pin and clock pin of said first draw-in groove, the data pin of first draw-in groove is selected through one road gating device to move the card power supply output pin of first baseband chip to or be connected with the data pins of first baseband chip; The power pins of said second draw-in groove, reset pin, clock pin and data pin are selected and the perhaps corresponding connection of respective pin of second baseband chip of first baseband chip through one road gating device separately; Each road gating device switches under the control of the switching signal of first baseband chip output.
Further; Said gating device is a single-pole double-throw switch (SPDT), comprises five the tunnel, and wherein the common port of No. one single-pole double-throw switch (SPDT) connects the data pin of first draw-in groove; Move the card power supply output pin of first baseband chip on the first gating end to, the second gating end connects the data pins of first baseband chip; The common port of all the other No. four single-pole double-throw switch (SPDT)s respectively be connected corresponding of power pins, reset pin, clock pin of second draw-in groove with data pin; The first gating end connects one to one with card power supply output pin, reseting pin, clock pin and the data pins of first baseband chip respectively, and the second gating end connects one to one with card power supply output pin, reseting pin, clock pin and the data pins of second baseband chip respectively; The control end of No. five single-pole double-throw switch (SPDT)s all receives the same road switching signal of said first baseband chip output.
Preferably, said first baseband chip is the CDMA baseband chip; Said second baseband chip is the GSM baseband chip.
Further again, on the data pins of two said baseband chips, all be connected with and draw branch road on the level.
Further, each road signal pins of said two draw-in grooves is respectively through filter capacitor ground connection.
Based on above-mentioned mobile phone card circuit design scheme; The utility model provides a kind of dual-card dual-standby dual-pass mobile phone that adopts said mobile phone card circuit structure design again; Baseband chip and two draw-in grooves that are used to install the mobile phone card of comprising two different network formats; Define first draw-in groove and support a kind of mobile phone card of network formats, second draw-in groove is supported the mobile phone card of two kinds of network formats; With the corresponding respective pin that is connected first baseband chip of power pins, reset pin and clock pin of said first draw-in groove, the data pin of first draw-in groove is selected through one road gating device to move the card power supply output pin of first baseband chip to or be connected with the data pins of first baseband chip; The power pins of said second draw-in groove, reset pin, clock pin and data pin are selected and the perhaps corresponding connection of respective pin of second baseband chip of first baseband chip through one road gating device separately; Each road gating device switches under the control of the switching signal of first baseband chip output.
Said gating device is a single-pole double-throw switch (SPDT); Comprise five the tunnel; Wherein the common port of No. one single-pole double-throw switch (SPDT) connects the data pin of first draw-in groove, moves the card power supply output pin of first baseband chip on the first gating end to, and the second gating end connects the data pins of first baseband chip; The common port of all the other No. four single-pole double-throw switch (SPDT)s respectively be connected corresponding of power pins, reset pin, clock pin of second draw-in groove with data pin; The first gating end connects one to one with card power supply output pin, reseting pin, clock pin and the data pins of first baseband chip respectively, and the second gating end connects one to one with card power supply output pin, reseting pin, clock pin and the data pins of second baseband chip respectively; The control end of No. five single-pole double-throw switch (SPDT)s all receives the same road switching signal of said first baseband chip output.
Said first baseband chip is the CDMA baseband chip; Said second baseband chip is the GSM baseband chip.
On the data pins of two said baseband chips, all be connected with and draw branch road on the level.
Each road signal pins of said two draw-in grooves is respectively through filter capacitor ground connection.
Compared with prior art; The advantage and the good effect of the utility model are: the code requirement that the mobile phone card circuit of the utility model is used the mobile phone card according to the dual-card dual-standby dual-pass mobile phone; Simplify the signal communication relation of the switched circuit between draw-in groove and the baseband chip; Cooperate software control can realize easily that the identification of mobile phone card and draw-in groove exchange, simple in structure, effect is remarkable.Because whole mobile phone card circuit all adopts the general-purpose device design to realize, flexibility is high, easy to be promoted.Be applied to effectively to control the mobile phone cost in the present dual-card dual-standby dual-pass mobile phone, improve its market competitiveness.
After the detailed description in conjunction with advantages the utility model execution mode, other characteristics of the utility model and advantage will become clearer.
Description of drawings
Fig. 1 is the theory diagram of the mobile phone card circuit of the dual-card dual-standby dual-pass mobile phone that proposes of the utility model;
Fig. 2 is the circuit theory diagrams of a kind of embodiment of the mobile phone card circuit of the dual-card dual-standby dual-pass mobile phone that proposes of the utility model.
Embodiment
Describe in detail below in conjunction with the embodiment of accompanying drawing the utility model.
For present dual-card dual-standby dual-pass mobile phone circuit; No matter select the baseband chip and the mobile phone card of which kind of network formats, the holding wire that needs to be communicated with between its two is nothing more than there being 4: power line VCC, data wire DATA, reset line RESET and clock line CLOCK.Wherein, needs transmission two-way signaling among the data wire DATA is only arranged; The equal transfer of unidirectional signal of other three road holding wire is transferred in the mobile phone card identical with its network formats by the corresponding signal pin of baseband chip.Card Reader, knowledge card principle and the code requirement on using according to the mobile phone card; Two draw-in grooves that are used for installing the mobile phone card in dual-card dual-standby dual-pass mobile phone internal configurations; One of them draw-in groove can use the mobile phone card of two kinds of network formats, and the another one draw-in groove can only use a kind of mobile phone card of network formats.With CDMA/GSM dual-card dual-standby dual-pass mobile phone is example, and according to code requirement: the CDMA card can use in the draw-in groove arbitrarily, and the GSM card can only use in a draw-in groove.For the mobile phone that is inserted in the draw-in groove is sticked into row identification; And select the baseband chip of identical standard to be communicated with it according to the network formats of mobile phone card; Needing the design switched circuit to be connected between two draw-in grooves and two baseband chips on the hardware circuit; As shown in Figure 1, with according to the circuit connected relation between plug-in card situation exchange base microarray strip and the draw-in groove.
In conjunction with shown in Figure 1, to suppose to define the mobile phone card that first draw-in groove can only be supported a kind of network formats, second draw-in groove can be supported the mobile phone card of two kinds of network formats, two baseband chips are the baseband chip of different network formats.When the user inserted the mobile phone card of two kinds of different network formats on request, first baseband chip need be communicated with first draw-in groove, and second baseband chip need be communicated with second draw-in groove; And when the user inserts the mobile phone card of two identical network standards on request, then need select to use the mobile phone card in which draw-in groove to come specifically to confirm first baseband chip is communicated with first draw-in groove or is communicated with second draw-in groove according to the user.Promptly change the signal line connected relation of draw-in groove and baseband chip, and then reach the purpose of design of exchange draw-in groove through switched circuit.
Consider that first draw-in groove can only be communicated with first baseband chip; In order to simplify the hardware designs of switched circuit; Power pins VCC, reset pin RST and the clock pin CLK of first draw-in groove directly are connected with the respective pin of first baseband chip is corresponding; Only the data pin DAT with first draw-in groove selects to be communicated with the data pins of first baseband chip through switched circuit; With adapt to when insert in two draw-in grooves be the mobile phone card of standard of the same race the time, first baseband chip can according to user's concrete needs select with first draw-in groove perhaps second draw-in groove be communicated with.Specifically; Can the data pin DAT of first draw-in groove be connected with road gating device in the switched circuit; Under the control action of the switching signal that first baseband chip is exported, select perhaps to be connected with the data pins of first baseband chip through the card power supply output pin of moving first baseband chip on the resistance R 1 to through said gating device.
Because second draw-in groove can be supported the mobile phone card of two kinds of network formats; Therefore, need its power pins VCC, reset pin RST, clock pin CLK and data pin DAT be selected and the perhaps corresponding connection of respective pin of second baseband chip of first baseband chip through the different gating devices in the switched circuit separately.Same, each road gating device can switch under the control of the switching signal that first baseband chip is exported.
As a kind of preferred design, said gating device can adopt single-pole double-throw switch (SPDT) to realize, specifically can be provided with 5 the tunnel, makes up described switched circuit jointly, referring to shown in Figure 2.Wherein, S1 is the electronic device that is provided with No. one single-pole double-throw switch (SPDT); S2 is the electronic device that is integrated with No. four single-pole double-throw switch (SPDT)s, i.e. the 4-SPDT electronic switch.CARD1 is first draw-in groove, and CARD2 is second draw-in groove, and present embodiment is that example describes with CDMA/GSM dual-card dual-standby dual-pass mobile phone, wherein, on draw-in groove CARD1, can only use the CDMA card, on draw-in groove CARD2, can use CDMA card and GSM card.Two baseband chips that are arranged in the mobile phone are respectively CDMA baseband chip (its card signal is with the UIN_ symbolic representation) and GSM baseband chip (its card signal is with the SIM_ symbolic representation).Power pins 1, reset pin 2 and the clock pin 3 of draw-in groove CARD1 directly are connected with the respective pin of CDMA baseband chip is corresponding, receive CDMA card power supply UIM_V, reset signal UIM_RST and the clock signal UIM_CLK of CDMA baseband chip output respectively.The data pin 6 of draw-in groove CARD1 connects the common port COM of single-pole double-throw switch (SPDT) S1; The first gating end NC (such as low level gating end) of single-pole double-throw switch (SPDT) S1 connects CDMA card power supply UIM_V through current-limiting resistance R1; The second gating end NO (such as the high-level strobe end) connects the data pins UIM_DAT of CDMA baseband chip, and control end A receives the switching signal CARD_SW of CDMA baseband chip output.
For draw-in groove CARD2, its power pins 1, reset pin 2, clock pin 3 and data pin 6 connect one to one with the common port COM1～COM4 of No. four single-pole double-throw switch (SPDT)s of 4-SPDT electronic switch S4 respectively; Corresponding with the respective pin of the CDMA baseband chip respectively connection of first gating end NC1～NC4 (such as low level gating end) of No. four single-pole double-throw switch (SPDT)s; Corresponding with the respective pin of the GSM baseband chip respectively connection of second gating end NO1～NO4 (such as the high-level strobe end), control end A0, A1 receive the same road switching signal CARD_SW of CDMA baseband chip output.
Behind mobile phone power-on, the CDMA baseband chip is the switching signal of output low level and high level at first successively, and promptly putting CARD_SW successively is 0 and 1; Control each road single-pole double-throw switch (SPDT) S1, the two-way switching of S2; And utilize the CDMA baseband chip to judge respectively to have or not among two draw-in groove CARD1, the CARD2 mobile phone card to insert, if there is the mobile phone card to insert, then through the CDMA baseband chip respectively with two draw-in grooves in the mobile phone of CARD1, CARD2 stick into the line data communication; Read the information in the said mobile phone card; Identifying the state of this mobile phone card, promptly is effectively to block or dead card, if effectively card then is the card of which kind of type.Insertion is the GSM card in first draw-in groove if identify, and then through the information of mobile phone screen to user prompt mobile phone card placement location mistake, and shutdown requires to reappose automatically.If the mobile phone card that is inserted among the draw-in groove CARD1 is the CDMA card; And the mobile phone card that is inserted among the draw-in groove CARD2 is the GSM card; Then the CDMA baseband chip is changed to high level with switching signal CARD_SW; Be CARD_SW=1, control each road single-pole double-throw switch (SPDT) S1, S2 is communicated with its common port COM with its second gating end NO.What the first draw-in groove CARD1 was communicated with thus is the CDMA baseband chip, and what second draw-in groove was communicated with is the GSM baseband chip, and two mobile phone cards of synchronization can be in standby or talking state simultaneously, thereby has realized two bilateral functions of treating of dual-mode handset.
And when the CDMA baseband chip identifies the mobile phone card that is inserted among two draw-in groove CARD1, the CARD2 and is the CDMA card; The CDMA baseband chip at first keeps the current circuit connected state of switched circuit; Export information through mobile phone screen to the user then, require the user to select to use one of them mobile phone card.If the user selects to use the CDMA card that is inserted among the first draw-in groove CARD1; Then the CDMA baseband chip is exported the switching signal CARD_SW of high level; Be CARD_SW=1; At this moment, the CDMA card among the first draw-in groove CARD1 is communicated with the CDMA baseband chip, and the CDMA card among the second draw-in groove CARD2 is in off position owing to being connected with the GSM baseband chip.If the user selects to use the CDMA card that is inserted among the second draw-in groove CARD2; The switching signal CARD_SW of CDMA baseband chip output low level then; Be CARD_SW=0; Control each road single-pole double-throw switch (SPDT) S1, S2 and carry out passage and switch, the CDMA card among the second draw-in groove CARD2 is communicated with the CDMA baseband chip; And the CDMA card among the first draw-in groove CARD1 is because its data pin 6 is moved CDMA card power supply UIM_V on fixing, therefore can't realize data interaction and is in idle state.This shows that the dual-card dual-standby dual-pass mobile phone of present embodiment is when inserting the mobile phone card of two identical standards, synchronization can only select to use one of them mobile phone card work.This mobile phone card circuit design mode is equally applicable to the circuit design of the dual-card dual-standby dual-pass mobile phone of two GSM cards.
Certainly; Also can be designed to each road single-pole double-throw switch (SPDT) S1, S2 COM end gating NO when CARD_SW=0 on the circuit; And the connected mode that COM holds gating NC when CARD_SW=1; The recognition sequence of mobile phone card can be brought in definite according to the determined gating of the init state of switching signal CARD_SW, and present embodiment does not specifically limit this.
When insert in the mobile phone be two CDMA cards the time, can improve the drive current size of each road signal pin output of CDMA baseband chip through the relative set on the software, and then reach the driving requirement.
As a kind of preferred design; Can also be further on the data pins SIM_DAT of the data pins UIM_DAT of CDMA baseband chip and GSM baseband chip, be connected and draw branch road on the level; As shown in Figure 2; Connect CDMA card power supply UIM_V and GSM card power supply-SIM_V through pull-up resistor R2, R3 respectively, to guarantee the reliable transmission in the online data road.On each road signal pins of two draw-in groove CARD1, CARD2, filter capacitor C1～C8 can also further be connected, with effective inhibition interference signal and electrostatic protection.Among Fig. 2, the concrete parameter of resistance and electric capacity can be according to the corresponding adjustment of applicable cases.
The mobile phone card circuit of present embodiment; Simple in structure, with low cost, switched circuit wherein also can select for use other electronic switch or the combining form except that single-pole double-throw switch (SPDT) to realize; Be applied to control effectively the hardware cost of product in the present dual-card dual-standby dual-pass mobile phone.
Should be noted that; The above only is a kind of preferred implementation of the utility model; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection range of the utility model.
Claims (10)
1. the mobile phone card circuit of a dual-card dual-standby dual-pass mobile phone comprises the baseband chip of two draw-in grooves and two different network formats defining the mobile phone card that first draw-in groove is supported a kind of network formats that second draw-in groove is supported the mobile phone card of two kinds of network formats; It is characterized in that: with the corresponding respective pin that is connected first baseband chip of power pins, reset pin and clock pin of said first draw-in groove, the data pin of first draw-in groove is selected through one road gating device to move the card power supply output pin of first baseband chip to or be connected with the data pins of first baseband chip; The power pins of said second draw-in groove, reset pin, clock pin and data pin are selected and the perhaps corresponding connection of respective pin of second baseband chip of first baseband chip through one road gating device separately; Each road gating device switches under the control of the switching signal of first baseband chip output.
2. mobile phone card circuit according to claim 1; It is characterized in that: said gating device is a single-pole double-throw switch (SPDT); Comprise five the tunnel; Wherein the common port of No. one single-pole double-throw switch (SPDT) connects the data pin of first draw-in groove, moves the card power supply output pin of first baseband chip on the first gating end to, and the second gating end connects the data pins of first baseband chip; The common port of all the other No. four single-pole double-throw switch (SPDT)s respectively be connected corresponding of power pins, reset pin, clock pin of second draw-in groove with data pin; The first gating end connects one to one with card power supply output pin, reseting pin, clock pin and the data pins of first baseband chip respectively, and the second gating end connects one to one with card power supply output pin, reseting pin, clock pin and the data pins of second baseband chip respectively; The control end of No. five single-pole double-throw switch (SPDT)s all receives the same road switching signal of said first baseband chip output.
3. mobile phone card circuit according to claim 1 and 2 is characterized in that: said first baseband chip is the CDMA baseband chip; Said second baseband chip is the GSM baseband chip.
4. mobile phone card circuit according to claim 1 and 2 is characterized in that: on the data pins of two said baseband chips, all be connected with and draw branch road on the level.
5. mobile phone card circuit according to claim 1 and 2 is characterized in that: each road signal pins of said two draw-in grooves is respectively through filter capacitor ground connection.
6. dual-card dual-standby dual-pass mobile phone comprises baseband chip and two draw-in grooves that are used to install the mobile phone card of two different network formats defining the mobile phone card that first draw-in groove is supported a kind of network formats that second draw-in groove is supported the mobile phone card of two kinds of network formats; It is characterized in that: with the corresponding respective pin that is connected first baseband chip of power pins, reset pin and clock pin of said first draw-in groove, the data pin of first draw-in groove is selected through one road gating device to move the card power supply output pin of first baseband chip to or be connected with the data pins of first baseband chip; The power pins of said second draw-in groove, reset pin, clock pin and data pin are selected and the perhaps corresponding connection of respective pin of second baseband chip of first baseband chip through one road gating device separately; Each road gating device switches under the control of the switching signal of first baseband chip output.
7. dual-card dual-standby dual-pass mobile phone according to claim 6; It is characterized in that: said gating device is a single-pole double-throw switch (SPDT); Comprise five the tunnel; Wherein the common port of No. one single-pole double-throw switch (SPDT) connects the data pin of first draw-in groove, moves the card power supply output pin of first baseband chip on the first gating end to, and the second gating end connects the data pins of first baseband chip; The common port of all the other No. four single-pole double-throw switch (SPDT)s respectively be connected corresponding of power pins, reset pin, clock pin of second draw-in groove with data pin; The first gating end connects one to one with card power supply output pin, reseting pin, clock pin and the data pins of first baseband chip respectively, and the second gating end connects one to one with card power supply output pin, reseting pin, clock pin and the data pins of second baseband chip respectively; The control end of No. five single-pole double-throw switch (SPDT)s all receives the same road switching signal of said first baseband chip output.
8. according to claim 6 or 7 described dual-card dual-standby dual-pass mobile phones, it is characterized in that: said first baseband chip is the CDMA baseband chip; Said second baseband chip is the GSM baseband chip.
9. according to claim 6 or 7 described dual-card dual-standby dual-pass mobile phones, it is characterized in that: on the data pins of two said baseband chips, all be connected with and draw branch road on the level.
10. according to claim 6 or 7 described dual-card dual-standby dual-pass mobile phones, it is characterized in that: each road signal pins of said two draw-in grooves is respectively through filter capacitor ground connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201120056362U CN202135121U (en) | 2011-02-28 | 2011-02-28 | SIM card circuit and mobile phone of dual card, dual standby and dual pass mobile phone |
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| CN201120056362U CN202135121U (en) | 2011-02-28 | 2011-02-28 | SIM card circuit and mobile phone of dual card, dual standby and dual pass mobile phone |
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| CN103002433A (en) * | 2012-11-20 | 2013-03-27 | 天翼电信终端有限公司 | Dual mode and dual standby terminal and method for achieving dual mode and dual standby |
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| EP2680156A1 (en) * | 2012-06-27 | 2014-01-01 | Irene Tsai | Baseband module, mobile device including the baseband module, and method of signal transmission in a mobile device |
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| CN103581365A (en) * | 2012-07-18 | 2014-02-12 | 蔡毓芬 | Fundamental frequency module, mobile device and data transmission method |
| CN103002433A (en) * | 2012-11-20 | 2013-03-27 | 天翼电信终端有限公司 | Dual mode and dual standby terminal and method for achieving dual mode and dual standby |
| CN103067543A (en) * | 2013-01-07 | 2013-04-24 | 华为终端有限公司 | User identity recognition card changing-over processing method and terminal equipment |
| CN104503762A (en) * | 2014-12-30 | 2015-04-08 | 小米科技有限责任公司 | Device and method for identifying electronic accessory |
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| US10554231B2 (en) | 2015-07-30 | 2020-02-04 | Huawei Tehnologies Co., Ltd. | Terminal and communication method thereof |
| US10965327B2 (en) | 2015-07-30 | 2021-03-30 | Huawei Technologies Co., Ltd. | Terminal and communication method thereof |
| CN105430165A (en) * | 2015-10-30 | 2016-03-23 | 小米科技有限责任公司 | SIM card prompting method and device |
| CN105430165B (en) * | 2015-10-30 | 2019-07-09 | 小米科技有限责任公司 | The reminding method and device of SIM card |
| CN107592383A (en) * | 2017-08-30 | 2018-01-16 | 胡文东 | The data transmission method of control circuit, SIM card double card Kato and double card application |
| WO2020077550A1 (en) * | 2018-10-16 | 2020-04-23 | 华为技术有限公司 | Memory card, memory card adapter, and terminal |
| US11763105B2 (en) | 2018-10-16 | 2023-09-19 | Huawei Technologies Co., Ltd. | Memory card, memory card adapter, and terminal device |
| CN110532118A (en) * | 2019-07-24 | 2019-12-03 | 努比亚技术有限公司 | Terminal card abnormal detector, method, terminal and readable storage medium storing program for executing |
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