CN102710827A - Method and mobile communication terminal for rapidly responding hot plug of SIM card - Google Patents

Method and mobile communication terminal for rapidly responding hot plug of SIM card Download PDF

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Publication number
CN102710827A
CN102710827A CN2012101909582A CN201210190958A CN102710827A CN 102710827 A CN102710827 A CN 102710827A CN 2012101909582 A CN2012101909582 A CN 2012101909582A CN 201210190958 A CN201210190958 A CN 201210190958A CN 102710827 A CN102710827 A CN 102710827A
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sim
interface module
module
interrupt signal
communication
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CN2012101909582A
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CN102710827B (en
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伍旻
孙思兵
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WUXI CHIPOWN MICROELECTRONICS CO Ltd
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WUXI CHIPOWN MICROELECTRONICS CO Ltd
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Abstract

The invention provides a method and a mobile communication terminal for rapidly responding hot plug of an SIM card. When the SIM card is extracted, a mechanical switch corresponding to the extracted SIM card is switched off, thus an extraction interruption signal is sent to an SIM card interface module, after the SIM card interface module receives the extraction interruption signal, a communication interface corresponding to the extracted SIM card is firstly switched off, and then a power supply of the extracted SIM card is switched off, then an interruption signal is sent to a base band module, the base band module inquires the state of the SIM card to the SIM card interface module after receiving the interruption signal, and the communication between the base band module and the extracted SIM card is closed after the extracted SIM card is known. Therefore, the rapid and efficient response of the hot plug of the SIM card is realized on the basis of no need of increasing the additional cost, and the security of the SIM card and an interface circuit is effectively protected.

Description

Respond the method and the communication terminal of SIM hot plug fast
[technological territory]
The present invention relates to moving communicating field, relate in particular to the method and the communication terminal of a kind of quick response SIM (Subscriber Identity Module is called for short SIM) hot plug.
[background technology]
At present a lot of mobile communication terminals (or claiming mobile phone) are all supported the plurality of SIM cards hot plug.Most of designs are plurality of SIM cards mobile phones all is that the interrupt signal that the SIM seat produces is delivered to the mobile phone baseband module when carrying out SIM hot plug design, comes operation to the SIM interface module to realize the support to the SIM hot plug by baseband module through instruction.This implementation is owing to need to have no progeny in the baseband module response just can send to instruct to the SIM interface module; By the SIM interface module corresponding card is operated again; It is longer to delay time, and therefore when the fast insert-pull SIM, might cause the damage of SIM or SIM interface module.
[summary of the invention]
One of the object of the invention is to provide the method for a kind of quick response SIM hot plug, and it can respond the hot plug of SIM fast, avoids the damage of SIM or SIM interface module.
Two of the object of the invention is to provide a kind of mobile communication terminal, and it can respond the hot plug of SIM fast, avoids the damage of SIM or SIM interface module.
For realizing above-mentioned purpose; According to an aspect of the present invention; The present invention provides the communication terminal of a kind of quick response SIM hot plug; It comprises the mechanical switch that baseband module, one or more SIM, each SIM are corresponding and be connected in SIM and baseband module between the SIM interface module, each SIM is through communication interface and the communication of SIM interface module, the SIM interface module is that each SIM is supplied power.When a SIM is pulled out; The mechanical switch that this SIM of extracting is corresponding can break off; Extract interrupt signal and give the SIM interface module for consequent one, the SIM interface module receive from mechanical switch extract interrupt signal after, turn-off the corresponding communication interface of being extracted of SIM earlier; The back cuts off the power supply of the SIM of being extracted; The SIM interface module is sent interrupt signal to baseband module subsequently, and baseband module receives from state from the interrupt signal of SIM interface module to the SIM interface module that then inquire about SIM after, closes the communication with the SIM of extracting behind the SIM of extracting learning.
Further; After a SIM inserts; The mechanical switch that the SIM of this insertion is corresponding can be closed; Produce an insertion interrupt signal thus and send in the SIM interface module, the SIM interface module notifies baseband module to have SIM to insert after receiving from the insertion interrupt signal of mechanical switch, by baseband module the SIM that is inserted is activated.
Further; Be provided with the SIM state detection unit in the said SIM interface module and automatically shut down processing unit; This SIM state detection unit is confirmed the plug state of SIM through the interrupt signal of the corresponding mechanical switch of SIM; When defining SIM and extract, start and close processing unit automatically and remove to turn-off the corresponding communication interface of being extracted of SIM, cut off the power supply of the SIM of being extracted subsequently.
Further, said SIM state detection unit and the said processing unit that automatically shuts down are realized by hardware.
According to another aspect of the present invention; The present invention provides the method for a kind of quick response SIM hot plug; It is applied to a communication terminal, this communication terminal comprise the mechanical switch that baseband module, one or more SIM, each SIM are corresponding and be connected in SIM and baseband module between the SIM interface module, each SIM is through communication interface and the communication of SIM interface module; The SIM interface module is each SIM power supply, and said method comprises: a SIM is pulled out; The mechanical switch that this SIM of extracting is corresponding can break off, and produces one thus and extracts interrupt signal to the SIM interface module; The SIM interface module receive from mechanical switch extract interrupt signal after, turn-off earlier the corresponding communication interface of being extracted of SIM, the back cuts off the power supply of the SIM of being extracted, subsequently, the SIM interface module is sent interrupt signal to baseband module; Baseband module receive from after the interrupt signal of SIM interface module to the state of SIM interface module inquiry SIM, close the communication of baseband module 110 and the SIM of extracting behind the SIM of extracting learning.
Further, said method also comprises: insert a SIM; The mechanical switch that the SIM of this insertion is corresponding can be closed, and produces the insertion interrupt signal thus and sends in the SIM interface module; The SIM interface module notifies baseband module to have SIM to insert after receiving from the insertion interrupt signal of SIM interface module 120; Baseband module activates the SIM that is inserted.
Compared with prior art; In the present invention; Extracting fast of SIM responded by the SIM interface module in advance, inform baseband module subsequently again, and carry out associative operation by baseband module; Realize SIM hot plug response rapidly and efficiently on the basis of extra cost need not to increase like this, protected the safety of SIM and interface circuit self effectively.
[description of drawings]
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.Wherein:
Fig. 1 is the structured flowchart of mobile communication terminal in an enforcement of the quick response SIM hot plug among the present invention;
Fig. 2 is the flow chart of method in an enforcement of the quick response SIM hot plug among the present invention.
[embodiment]
Detailed description of the present invention is mainly come the running of direct or indirect simulation technical scheme of the present invention through program, step, logical block, process or other symbolistic descriptions.Be the thorough the present invention that understands, in ensuing description, stated a lot of specific detail.And when not having these specific detail, the present invention then possibly still can realize.Affiliated those of skill in the art use these descriptions here and state that the others skilled in the art in affiliated field effectively introduce their work essence.In other words, be the object of the invention of avoiding confusion, because the understanding easily of method of knowing and program, so they are not described in detail.
Alleged here " embodiment " or " embodiment " are meant special characteristic, structure or the characteristic that can be contained at least one implementation of the present invention.Different in this manual local " in one embodiment " that occur not are all to refer to same embodiment, neither be independent or optionally mutually exclusive with other embodiment embodiment.
Fig. 1 is the structured flowchart of mobile communication terminal 100 in an enforcement of the quick response SIM hot plug among the present invention.As shown in Figure 1, said mobile communication terminal 100 comprise the mechanical switch that baseband module 110, SIM, SIM are corresponding and be connected in SIM and baseband module between SIM interface module 120.Example has gone out two SIMs in this figure; Be respectively SIM A (being labeled as 130A) and SIM B (being labeled as 130B); The mechanical switch that SIM A is corresponding is labeled as 140A; The mechanical switch that SIM B is corresponding is labeled as 140B, and the 3rd SIM can also be arranged in other example, also can have only a SIM.In one embodiment, baseband module 110 and SIM interface module 120 can all be chips independently.
SIM interface module 120 is carried out the communication of the clock CLK of relevant this SIM A, the RST that resets, inputoutput data IO through communication interface SCLK1, SRST1, SIO1 respectively with SIM A, through power supply interface VSIM1 SIM A is supplied power.SIM interface module 120 is carried out the communication of the clock CLK of relevant this SIM B, the RST that resets, inputoutput data IO through communication interface SCLK2, SRST2, SIO2 respectively with SIM B, through power supply interface VSIM2 SIM B is supplied power.Be provided with in the SIM interface module 120 and be used to the electric power management circuit that power supply interface VSIM1 and VSIM2 provide power supply, such as low difference voltage regulator (Low Dropout Regulator).SIM interface module 120 is carried out the communication of the clock SIMCLK of relevant each SIM, the SIMRST that resets, input-output data SIMIO through communication interface SIMCLK, SIMRST, SIMIO with baseband module 110.SIM interface module 120 is carried out relevant address AD DR with baseband module 110, is interrupted the communication of IRQ and data interaction through communication interface ADDR/IRQ, SCL, SDA, and wherein SCL is I 2The serial time clock line of C bus, SDA are I 2The serial data line of C bus.Each interface shown in Fig. 1 all is exemplary, in other embodiments, also can be other any interface, as long as can realize corresponding communication function.
As shown in Figure 1; When a SIM is pulled out; The mechanical switch that this SIM of extracting is corresponding can break off, and produces an interrupt signal (also can be referred to as to extract interrupt signal) thus, and this interrupt signal is sent on the break detection mouth SIMx_DET of SIM interface module 120.SIM interface module 120 is turn-offed corresponding communication interface SRST, SCLK and the SIO of SIM that is extracted, the power supply of the SIM that final cutting is extracted successively after detecting interrupt signal.After accomplishing turn off process, SIM interface module 120 is sent interrupt signal through communication interface ADDR/IRQ to baseband module 110.Baseband module 110 then passes through I after receiving interrupt signal 2C bus (SDA and SCL) is to the state of SIM interface module 120 inquiry SIMs; Close the communication of the baseband module 110 and the SIM of extracting behind the SIM of extracting learning; Baseband module 110 has also just no longer carried out communication with the SIM of having extracted like this, accomplishes complete SIM hot drawing thus and goes out to handle.
After a SIM inserted, the mechanical switch that the SIM of this insertion is corresponding can be closed, and produces an interrupt signal (also can be referred to as to insert interrupt signal) thus, and this interrupt signal is sent in the SIM interface module 120 through the break detection mouth.SIM interface module 120 notifies baseband module 110 to have SIM to insert after receiving this interrupt signal, is activated by 110 pairs of SIMs that inserted of baseband module, accomplishes complete SIM insertion process thus.
Like this, transferred to the SIM interface module 120 from baseband module 110 in the processing of SIM hot plug, and realized automatic fast processing, avoided the potential damage risk of SIM and SIM interface module by the internal hardware of SIM interface module 120.
In one embodiment; Be provided with SIM state detection unit 121 in the said SIM interface module 120 and automatically shut down processing unit 122; This SIM state detection unit 121 detects the plug state of SIM; It can confirm the plug state of SIM through the interrupt signal of the corresponding mechanical switch of SIM; When defining SIM and extract, start and close processing unit 122 automatically and remove to turn-off successively corresponding communication interface SRST, SCLK and the SIO of SIM that is extracted, the power supply of the SIM that final cutting is extracted.Said SIM state detection unit 121 realizes by hardware with the said processing unit 122 that automatically shuts down, thereby can go out to carry out quick response process to the SIM hot drawing.
Fig. 2 shows the flow chart of method 200 in an enforcement of the quick response SIM hot plug among the present invention.This method 200 can be applied in the mobile communication terminal shown in Fig. 1, and this method 200 comprises:
Step 210 is extracted a SIM.
Step 220, the mechanical switch that the SIM of extracting is corresponding produces an interrupt signal (also can be referred to as to extract interrupt signal) and gives SIM interface module 120.
Step 230, SIM interface module 120 is closed the corresponding communication interface of being extracted of SIM subsequently according to the SIM of confirming from the interrupt signal of mechanical switch to be extracted, and cuts off the power supply of the SIM of being extracted, and sends interrupt signal to baseband module 110.
Step 240, baseband module 110 receive from after the interrupt signal of SIM interface module 120 to the state of SIM interface module 120 inquiry SIMs, close the communication of baseband module 110 and the SIM of extracting behind the SIM that extracts learning.
Like this, just accomplish whole SIM hot drawing and gone out process.
For instance, extract SIM A, mechanical switch 140A produces an interrupt signal, and through break detection mouth SIM1DET this interrupt signal is sent to SIM interface module 120.SIM interface module 120 is closed the corresponding communication interface of being extracted of SIM A after the interrupt signal of receiving from mechanical switch 140A, the power supply that cuts off the SIM A that is extracted, and to baseband module 110 transmission interrupt signals.Baseband module 110 receive from after the interrupt signal of SIM interface module 120 to the state of SIM interface module 120 inquiry SIMs, close the communication of baseband module 110 and the SIM A that extracts behind the SIM A that extracts learning.
The method 200 of said quick response SIM hot plug also comprises: insert a SIM; The mechanical switch that the SIM of this insertion is corresponding can be closed, and produces interrupt signal (also can be referred to as to insert interrupt signal) thus and sends in the SIM interface module 120; SIM interface module 120 notifies baseband module 110 to have SIM to insert after receiving from the interrupt signal of SIM interface module 120; 110 pairs of SIMs that inserted of baseband module activate, and accomplish complete SIM insertion process thus.
Above-mentioned explanation has fully disclosed embodiment of the present invention.It is pointed out that any change that technical staff's specific embodiments of the invention of being familiar with this field is done does not all break away from the scope of claims of the present invention.Correspondingly, the scope of claim of the present invention also is not limited only to previous embodiment.

Claims (6)

1. quick communication terminal of response SIM hot plug; It comprises the mechanical switch that baseband module, one or more SIM, each SIM are corresponding and be connected in SIM and baseband module between the SIM interface module; Each SIM is through communication interface and the communication of SIM interface module; The SIM interface module is characterized in that for each SIM power supply
When a SIM is pulled out; The mechanical switch that this SIM of extracting is corresponding can break off; Produce one thus and extract interrupt signal and give the SIM interface module, the SIM interface module receive from mechanical switch extract interrupt signal after, turn-off the corresponding communication interface of being extracted of SIM earlier; The back cuts off the power supply of the SIM of being extracted; The SIM interface module is sent interrupt signal to baseband module subsequently, and baseband module receives from state from the interrupt signal of SIM interface module to the SIM interface module that then inquire about SIM after, closes the communication with the SIM of extracting behind the SIM of extracting learning.
2. communication terminal according to claim 1; It is characterized in that: after a SIM inserts; The mechanical switch that the SIM of this insertion is corresponding can be closed; Produce one thus and insert interrupt signal in the SIM interface module, the SIM interface module notifies baseband module to have SIM to insert after receiving from the insertion interrupt signal of mechanical switch, by baseband module the SIM that is inserted is activated.
3. communication terminal according to claim 1; It is characterized in that: be provided with the SIM state detection unit in the said SIM interface module and automatically shut down processing unit; This SIM state detection unit is confirmed the plug state of SIM through the interrupt signal of the corresponding mechanical switch of SIM; When defining SIM and extract, start and close processing unit automatically and remove to turn-off the corresponding communication interface of being extracted of SIM, cut off the power supply of the SIM of being extracted subsequently.
4. communication terminal according to claim 1 is characterized in that: said SIM state detection unit and the said processing unit that automatically shuts down are realized by hardware.
5. quick method of response SIM hot plug; It is applied to a communication terminal; This communication terminal comprise the mechanical switch that baseband module, one or more SIM, each SIM are corresponding and be connected in SIM and baseband module between the SIM interface module; Each SIM is through communication interface and the communication of SIM interface module, and the SIM interface module is each SIM power supply, and said method comprises:
One SIM is pulled out;
The mechanical switch that this SIM of extracting is corresponding can break off, and produces one thus and extracts interrupt signal to the SIM interface module;
The SIM interface module receive from mechanical switch extract interrupt signal after, turn-off earlier the corresponding communication interface of being extracted of SIM, the back cuts off the power supply of the SIM of being extracted, the SIM interface module is sent interrupt signal to baseband module subsequently;
Baseband module receive from after the interrupt signal of SIM interface module to the state of SIM interface module inquiry SIM, close communication behind the SIM of extracting learning with the SIM of extracting.
6. method according to claim 1 is characterized in that: said method also comprises: insert a SIM; The mechanical switch that the SIM of this insertion is corresponding can be closed, and produces thus to insert interrupt signal in the SIM interface module; The SIM interface module notifies baseband module to have SIM to insert after receiving from the insertion interrupt signal of SIM interface module 120; Baseband module activates the SIM that is inserted.
CN201210190958.2A 2012-06-11 2012-06-11 Method and mobile communication terminal for rapidly responding hot plug of SIM card Active CN102710827B (en)

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103064816A (en) * 2013-01-07 2013-04-24 华为终端有限公司 SIM (subscriber identity module) card hot plug protection method and terminal, and SIM card in-place power-down swiping method and terminal
CN103094793A (en) * 2013-01-07 2013-05-08 华为终端有限公司 Smart card connecting circuit for electronic equipment and electronic equipment
WO2014071750A1 (en) * 2012-11-07 2014-05-15 惠州Tcl移动通信有限公司 Mobile terminal and hot-plugging method for memory card of same
CN103809879A (en) * 2014-02-20 2014-05-21 联想(北京)有限公司 Information processing method and electronic equipment
WO2014075455A1 (en) * 2012-11-14 2014-05-22 惠州Tcl移动通信有限公司 Mobile terminal and memory card hot plugging method
WO2014161271A1 (en) * 2013-04-02 2014-10-09 中兴通讯股份有限公司 Method, apparatus, and system for hot plugging of sim card
CN104243650A (en) * 2014-09-16 2014-12-24 广东欧珀移动通信有限公司 User identification module card hot plug detection method and device applied to mobile terminal
CN104270740A (en) * 2014-09-16 2015-01-07 广东欧珀移动通信有限公司 Slot-sharing T card and SIM card detection method
CN104702784A (en) * 2015-03-05 2015-06-10 惠州Tcl移动通信有限公司 Method and system for detecting multi-SIM hot plug of mobile terminal
CN105071823A (en) * 2015-07-16 2015-11-18 惠州Tcl移动通信有限公司 Mobile terminal including power on-off mechanism
CN105451309A (en) * 2014-06-30 2016-03-30 展讯通信（上海）有限公司 SIM card control system and method
KR20180018196A (en) * 2016-08-12 2018-02-21 삼성전자주식회사 Electronic apparatus and operating method thereof
TWI716085B (en) * 2019-08-22 2021-01-11 瑞祺電通股份有限公司 Wireless backup communication expansion module
CN116112603A (en) * 2023-02-09 2023-05-12 哲库科技(北京)有限公司 Hot plug identification method and related device
CN116112603B (en) * 2023-02-09 2024-06-11 哲库科技(北京)有限公司 Hot plug identification method and device, electronic equipment and readable storage medium

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6178520B1 (en) * 1997-07-31 2001-01-23 Lsi Logic Corporation Software recognition of drive removal or insertion in a storage system
CN1450432A (en) * 2002-04-10 2003-10-22 希旺科技股份有限公司 Multi-function electronic peripheral card capable of detecting pluggable card
US20050149314A1 (en) * 2003-12-29 2005-07-07 Looi Lily P. Apparatus and method to enable transparent memory hot plug/remove
CN1731362A (en) * 2005-08-24 2006-02-08 杭州华为三康技术有限公司 Harddisk hot-swap protection system and method
CN1928779A (en) * 2005-09-05 2007-03-14 中兴通讯股份有限公司 Interface device for SIM card and USIM card
CN101783822A (en) * 2009-12-24 2010-07-21 华为终端有限公司 Method for inserting and drawing user identification card and wireless communication module
CN101902513A (en) * 2010-06-01 2010-12-01 深圳市中兴移动通信有限公司 Mobile terminal and method thereof for realizing hot plug of UIM card
CN201984507U (en) * 2010-11-16 2011-09-21 北京中电华大电子设计有限责任公司 Anti-hot-plug intelligent card contacts

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6178520B1 (en) * 1997-07-31 2001-01-23 Lsi Logic Corporation Software recognition of drive removal or insertion in a storage system
CN1450432A (en) * 2002-04-10 2003-10-22 希旺科技股份有限公司 Multi-function electronic peripheral card capable of detecting pluggable card
US20050149314A1 (en) * 2003-12-29 2005-07-07 Looi Lily P. Apparatus and method to enable transparent memory hot plug/remove
CN1731362A (en) * 2005-08-24 2006-02-08 杭州华为三康技术有限公司 Harddisk hot-swap protection system and method
CN1928779A (en) * 2005-09-05 2007-03-14 中兴通讯股份有限公司 Interface device for SIM card and USIM card
CN101783822A (en) * 2009-12-24 2010-07-21 华为终端有限公司 Method for inserting and drawing user identification card and wireless communication module
CN101902513A (en) * 2010-06-01 2010-12-01 深圳市中兴移动通信有限公司 Mobile terminal and method thereof for realizing hot plug of UIM card
CN201984507U (en) * 2010-11-16 2011-09-21 北京中电华大电子设计有限责任公司 Anti-hot-plug intelligent card contacts

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014071750A1 (en) * 2012-11-07 2014-05-15 惠州Tcl移动通信有限公司 Mobile terminal and hot-plugging method for memory card of same
WO2014075455A1 (en) * 2012-11-14 2014-05-22 惠州Tcl移动通信有限公司 Mobile terminal and memory card hot plugging method
US9755373B2 (en) 2013-01-07 2017-09-05 Huawei Device Co., Ltd. Smart card connection circuit of electronic device and electronic device
CN103094793A (en) * 2013-01-07 2013-05-08 华为终端有限公司 Smart card connecting circuit for electronic equipment and electronic equipment
WO2014106499A1 (en) * 2013-01-07 2014-07-10 华为终端有限公司 Sim card hot-plug guard and sim card on-site shutdown swipe-card method, and terminal
WO2014106444A1 (en) * 2013-01-07 2014-07-10 华为终端有限公司 Smart card connection circuit of electronic device and electronic device
CN103064816A (en) * 2013-01-07 2013-04-24 华为终端有限公司 SIM (subscriber identity module) card hot plug protection method and terminal, and SIM card in-place power-down swiping method and terminal
CN103094793B (en) * 2013-01-07 2015-11-25 华为终端有限公司 The smart card connecting circuit of electronic equipment and electronic equipment
CN103064816B (en) * 2013-01-07 2016-04-06 华为终端有限公司 SIM card hot plug is protected and SIM card shutdown in place is swiped the card method, terminal
JP2015522234A (en) * 2013-01-07 2015-08-03 ▲華▼▲為▼終端有限公司Ｈｕａｗｅｉ Ｄｅｖｉｃｅ Ｃｏ．， Ｌｔｄ． Electronic device smart card connection circuit and electronic device
WO2014161271A1 (en) * 2013-04-02 2014-10-09 中兴通讯股份有限公司 Method, apparatus, and system for hot plugging of sim card
CN103809879A (en) * 2014-02-20 2014-05-21 联想(北京)有限公司 Information processing method and electronic equipment
CN105451309A (en) * 2014-06-30 2016-03-30 展讯通信（上海）有限公司 SIM card control system and method
CN104270740B (en) * 2014-09-16 2018-01-19 广东欧珀移动通信有限公司 A kind of detection method of neck T cards and SIM card altogether
CN104270740A (en) * 2014-09-16 2015-01-07 广东欧珀移动通信有限公司 Slot-sharing T card and SIM card detection method
CN104243650A (en) * 2014-09-16 2014-12-24 广东欧珀移动通信有限公司 User identification module card hot plug detection method and device applied to mobile terminal
CN104243650B (en) * 2014-09-16 2018-05-29 广东欧珀移动通信有限公司 Subscriber identification module card hot plug detection method and device applied to mobile terminal
CN104702784A (en) * 2015-03-05 2015-06-10 惠州Tcl移动通信有限公司 Method and system for detecting multi-SIM hot plug of mobile terminal
CN104702784B (en) * 2015-03-05 2017-07-11 惠州Tcl移动通信有限公司 A kind of detection method and system of the hot plug of mobile terminal plurality of SIM cards
CN105071823A (en) * 2015-07-16 2015-11-18 惠州Tcl移动通信有限公司 Mobile terminal including power on-off mechanism
CN105071823B (en) * 2015-07-16 2018-11-02 惠州Tcl移动通信有限公司 Mobile terminal containing electric power on off mechanism
KR20180018196A (en) * 2016-08-12 2018-02-21 삼성전자주식회사 Electronic apparatus and operating method thereof
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CN116112603A (en) * 2023-02-09 2023-05-12 哲库科技(北京)有限公司 Hot plug identification method and related device
CN116112603B (en) * 2023-02-09 2024-06-11 哲库科技(北京)有限公司 Hot plug identification method and device, electronic equipment and readable storage medium

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