CN1266973C - SIM card accessing apparatus of mobile terminal - Google Patents
SIM card accessing apparatus of mobile terminal Download PDFInfo
- Publication number
- CN1266973C CN1266973C CNB2003101232281A CN200310123228A CN1266973C CN 1266973 C CN1266973 C CN 1266973C CN B2003101232281 A CNB2003101232281 A CN B2003101232281A CN 200310123228 A CN200310123228 A CN 200310123228A CN 1266973 C CN1266973 C CN 1266973C
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- sim card
- switch
- modulator
- demodulator
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephone Function (AREA)
Abstract
A SIM card access device of a mobile terminal is provided to directly access a SIM card by a multimedia processor and dual modems, thereby reducing cost and efficiently providing various applications. If the first and second modems(22,23) request SIM(Subscriber Identify Module) card(10) access and control right is allowed, the first and second modems(22,23) receive clock signals for exchanging data by synchronizing with data with a SIM card(10). A multimedia processor(21) supplies power to the SIM card(10) and outputs a switching control signal and the clock signal according to the SIM card(10) access request for allowing the control right. A switch(24) switches a data path of the SIM card(10) and the first and second modems(22,23) by the switching control signal.
Description
Technical field
The present invention relates to a kind of SIM card access means of portable terminal, when it uses the double-frequency double-mode terminal of two above modulator-demodulators in design, can make multimedia processor and each modem access SIM card.
Background technology
Generally speaking, be used to use GSM (the Global System for Mobile Communication-global system for mobile communications) mode of the Europe class mobile communication terminal of time division multiple access way to use Subscriber Identity Module (SIM; Subscriber Identify Module is to call SIM card in the following text).
Above-mentioned this SIM card is a kind of smart card that can plug on portable terminal (smartcard), is made of microprocessor and storage chip, is storing the possessory various information of SIM card.
Whether above-mentioned this SIM card investigation user logging in network, and the user of logging in network uses in order to stop not, stores Personal Identification Number (PIN in the SIM card; PersonalIdentification Number) and personal unblocking code (PUK; Personal Unblocking Key), utilize above-mentioned PIN, PUK execute protection function.Therefore, the user must import 4 figure places and could use.If input error PIN is more than three times, then SIM card is disabled, if remove forbidding, must import the PUK of 8 figure places.
Present technology developed into this SIM card be applied to support simultaneously synchronously with asynchronous, the 2nd generation and the 3rd generation mobile phone bimodulus double frequency (DBDM; Dual Band DualMode is to call DBDM in the following text) in the terminal, and enter the stage of batch process.
Fig. 1 is the topology example figure of the SIM card access means of DBDM terminal in the past.As shown in the figure, control by multimedia processor (11), the 1st modulator-demodulator (12) is not started, the 2nd modulator-demodulator (13) starts, when using the DBDM terminal by above-mentioned the 2nd modulator-demodulator (13), in order to visit the SIM card (10) of inserting this DBDM terminal, enable above-mentioned the 1st modulator-demodulator (12), carry out exchanges data by the clock signal (SIM CLK) and the access synchronized of above-mentioned SIM card (10) of the 1st modulator-demodulator (12) output.
But but there is a problem in the above-mentioned structure of device in the past, promptly, in order to start the 2nd modulator-demodulator (13), after enabling the 1st modulator-demodulator (12) at the beginning, enable above-mentioned the 1st modulator-demodulator (12) in order to visit SIM card, thus cause needn't electric current waste.
Below the Fig. 2 that has improved this problem is described.
Fig. 2 is the topology example figure of the SIM card access means of DBDM terminal in the past.For needn't be in the startup of the 2nd modulator-demodulator (13) as Fig. 1, for visit SIM card (10) is enabled the 1st modulator-demodulator (12), be that the 1st, the 2nd modulator-demodulator (12,13) has added a SIM card, by the 1st, 2SIM card (12,13) constitutes, and carries out exchanges data (SIM data) by the clock signal of the 2nd modulator-demodulator (13) output and the access synchronized of 2SIM card (20).
But have such problem, the SIM card access means of portable terminal in the past shown in Figure 2 must be added SIM card according to the platform number of each modulator-demodulator, and this need increase expense, in addition, also can have many losses aspect the use of the space of portable terminal.
Summary of the invention
The present invention develops for addressing the above problem just, purpose is to provide a kind of SIM card access means of portable terminal, when the SIM card in the DBDM terminal of two above modulator-demodulators of visit use, provide access path by switch, thereby make multimedia processor and each modulator-demodulator can directly visit SIM card.
For achieving the above object, feature of the present invention is in having the double-frequency double-mode terminal of SIM card, constitute by following several sections: 1st, the 2nd modulator-demodulator, the above-mentioned SIM card of they request visits, if control secures permission, then accept the clock signal input, with the data sync swap data of above-mentioned SIM card; Multimedia processor, it is powered to above-mentioned SIM card, according to the SIM card access request of above-mentioned the 1st modulator-demodulator or the 2nd modulator-demodulator, output switch-over control signal and above-mentioned clock signal, permission control; Switch, it switches the data path of the 1st, the 2nd modulator-demodulator and SIM card according to above-mentioned switch-over control signal.
Description of drawings
Fig. 1 is the topology example figure of the SIM card access means of DBDM terminal in the past.
Fig. 2 is the topology example figure of the SIM card access means of DBDM terminal in the past.
Fig. 3 is the topology example figure of the SIM card access means of portable terminal of the present invention.
Fig. 4 is the SIM card of Fig. 3 and the data-signal exemplary plot between multimedia processor (or modulator-demodulator).
(a) of Fig. 5 is the exemplary plot of the SIM card access means of portable terminal of the present invention, and Fig. 5 (b) is the data path truth table of multimedia processor control signal.
Embodiment
With reference to the accompanying drawings, describe one embodiment of the present of invention in detail.
Fig. 3 is the topology example figure of the SIM card access means of portable terminal of the present invention.As shown in the figure, in having the double-frequency double-mode terminal of SIM card, constitute by following several sections: 1st, the 2nd modulator-demodulator (22,23), their request visit above-mentioned SIM card (10), if control secures permission, then accept the clock signal input, with the data sync swap data of above-mentioned SIM card (10); Multimedia processor (21), it is to above-mentioned SIM card (10) power supply, and according to the SIM card access request of above-mentioned the 1st modulator-demodulator (22) or the 2nd modulator-demodulator (23), output switch-over control signal and above-mentioned clock signal are permitted control; Switch (24), it switches the data path of the 1st, the 2nd modulator-demodulator (22,23) and SIM card (10) according to above-mentioned switch-over control signal.The following describes the action and effect of the present invention that as above constitute.
At first, multimedia processor (21) is control clock signal (SIM Clock) and switch (24) directly, situation as requested, the data that the 1st, the 2nd modulator-demodulator (22,23) or multimedia processor (21) are directly visited SIM card (10).Wherein, the SIM card visit of acquiescence connects by above-mentioned multimedia processor (21) is responsible for (SIM CLK, RST etc.), 1st, the 2nd modulator-demodulator (22,23) is to the required control of above-mentioned multimedia processor (21) request visit above-mentioned SIM card (10), only (when other processor does not use) could visit above-mentioned SIM card (10) when securing permission, and realizes multiple application with this.
Fig. 4 is SIM card among Fig. 3 and the data-signal exemplary plot between multimedia processor (or modulator-demodulator).Multimedia processor (21) inserts power supply (VCC) and ground signalling (GND) to SIM card (10), drives above-mentioned SIM card (10), and incoming clock signal then is with the serial data of above-mentioned SIM card (10) swap data mutually synchronously.
Above-mentioned control and data-signal flow process finally are achieved by the switching of following switch (24).
(a) of Fig. 5 is the exemplary plot of the SIM card access means of portable terminal of the present invention, and Fig. 5 (b) is the data path truth table of multimedia processor control signal.
That is, if switch-over control signal (Control) is " 00 ", switch (24) switches, and realizes that multimedia processor (21) (A) and the exchanges data of SIM card (10) between (C); If switch-over control signal is " 01 ", switch (24) switches, and realizes that the 1st modulator-demodulator (22) (A) and the exchanges data of SIM card (10) between (C); If switch-over control signal is " 10 ", switch (24) switches, and realizes that the 2nd modulator-demodulator (23) (D) and the exchanges data of SIM card (10) between (C).
But if switch-over control signal is " 11 ", then switch (24) enters the state (Dont ' t Care) that any data path is not provided.
Therefore, the SIM card access means of portable terminal of the present invention is by direct control clock signal of multimedia processor and switch, according to the situation that requires of the 1st, the 2nd modulator-demodulator, the 1st, the 2nd modulator-demodulator or multimedia processor are directly visited the data of SIM card, thereby realize multiple application.
As the above-mentioned detailed description of doing, the present invention is in the structure that has two above modulator-demodulators, a multimedia processor that above-mentioned modulator-demodulator is controlled, having proposed multimedia processor and each modulator-demodulator can visit the structure of single SIM card or have only the directly structure of visit of multimedia processor, therefore have the product of reducing expense, the effect of multiple application efficiently is provided.
Claims (2)
1. the SIM card access means of a portable terminal is characterized in that described portable terminal is the double-frequency double-mode terminal that has SIM card, is made of following several sections in this double-frequency double-mode terminal:
1st, the 2nd modulator-demodulator, the above-mentioned SIM card of they request visits if control secures permission, is then accepted the clock signal input, with the data sync swap data of above-mentioned SIM card;
Multimedia processor, it is powered to above-mentioned SIM card, according to the SIM card access request of above-mentioned the 1st modulator-demodulator or the 2nd modulator-demodulator, output switch-over control signal and above-mentioned clock signal, permission control;
Switch, it switches the data path of the 1st, the 2nd modulator-demodulator and SIM card according to above-mentioned switch-over control signal.
2. the SIM card access means of portable terminal according to claim 1 is characterized in that:
If switch-over control signal is " 00 ", switch switches, and realizes the exchanges data between multimedia processor and SIM card; If switch-over control signal is " 01 ", switch switches, and realizes the exchanges data between the 1st modulator-demodulator and SIM card; If switch-over control signal is " 10 ", switch switches, and realizes the exchanges data between the 2nd modulator-demodulator and SIM card; Switch does not switch if switch-over control signal is " 11 ".
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020030035124A KR100556853B1 (en) | 2003-05-31 | 2003-05-31 | Apparatus for accessing sim card in a mobile phone |
| KR35124/2003 | 2003-05-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1574991A CN1574991A (en) | 2005-02-02 |
| CN1266973C true CN1266973C (en) | 2006-07-26 |
Family
ID=34510778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101232281A Expired - Fee Related CN1266973C (en) | 2003-05-31 | 2003-12-18 | SIM card accessing apparatus of mobile terminal |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100556853B1 (en) |
| CN (1) | CN1266973C (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100710263B1 (en) * | 2005-01-27 | 2007-04-20 | 엘지전자 주식회사 | Method of Multi-Tasking Using Multi-Modem Mobile Phone |
| KR100765544B1 (en) * | 2006-01-05 | 2007-10-10 | 엘지전자 주식회사 | Mobile communication termial haveing more than one system and controlling method thereof |
| CN200980149Y (en) * | 2006-08-11 | 2007-11-21 | 中兴通讯股份有限公司 | A card with double numbers network and a number with double cards network switch device |
| US8548482B2 (en) * | 2007-10-22 | 2013-10-01 | Intel Mobile Communications GmbH | Radio communication device and method for controlling frequency selection |
| CN101232563B (en) * | 2007-11-12 | 2012-04-04 | 康佳集团股份有限公司 | TV set capable of implementing SIM card backup and SIM card backup method |
| TW200945865A (en) * | 2008-04-23 | 2009-11-01 | Mediatek Inc | Method for handling the equipment identity requests and communication apparatus utilizing the same |
| US8213990B2 (en) * | 2009-06-05 | 2012-07-03 | Mediatek Inc. | System for providing remote subscriber identity card to mobile station and methods thereof |
| KR101636456B1 (en) * | 2009-12-21 | 2016-07-06 | 삼성전자주식회사 | Apparatus and method for supporting sim card in multi modem mobile communication terminal |
| CN103002434B (en) * | 2011-09-19 | 2018-07-10 | 中兴通讯股份有限公司 | Obtain the method, apparatus and terminal of SIM card data |
| CN104219373B (en) * | 2013-05-31 | 2019-04-19 | 深圳富泰宏精密工业有限公司 | Dual-mode handset, the system and method for realizing dual-mode handset call control |
| US9615232B2 (en) * | 2013-10-04 | 2017-04-04 | Intel IP Corporation | Subscriber identity module data routing devices, methods for routing subscriber identity module data, control circuits, and methods for controlling a change of a routing |
| WO2015066853A1 (en) * | 2013-11-06 | 2015-05-14 | 华为终端有限公司 | Terminal equipment and control method thereof |
| KR101521232B1 (en) * | 2013-11-21 | 2015-05-18 | 주식회사 에이텍 | Apparatus for serial communication controlling of SIM card in terminal |
| CN103973510B (en) * | 2014-03-25 | 2017-10-24 | 珠海银邮光电技术发展股份有限公司 | The method that many MODEM share SIM card is realized based on virtual SIM card technology |
| CN104270832B (en) | 2014-09-26 | 2018-01-05 | 苏州佳世达电通有限公司 | A kind of combined communication terminal and the means of communication |
| TWI565274B (en) * | 2014-10-21 | 2017-01-01 | 佳世達科技股份有限公司 | Combined communication terminal and communication method thereof |
| CN105472599A (en) * | 2015-11-11 | 2016-04-06 | 中国联合网络通信集团有限公司 | Method for accessing SIM cards and double-card mobile terminal |
| CN105682079B (en) * | 2016-01-28 | 2020-06-09 | 南京秦淮紫云创益企业服务有限公司 | User identification card control method and terminal |
| CN109474925B (en) * | 2018-12-28 | 2022-04-22 | Tcl移动通信科技（宁波）有限公司 | Clock setting method based on SIM module, mobile terminal and storage medium |
-
2003
- 2003-05-31 KR KR1020030035124A patent/KR100556853B1/en not_active IP Right Cessation
- 2003-12-18 CN CNB2003101232281A patent/CN1266973C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR20040103195A (en) | 2004-12-08 |
| CN1574991A (en) | 2005-02-02 |
| KR100556853B1 (en) | 2006-03-10 |
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Legal Events
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LANGCHAO LEJIN DIGITAL MOBILE COMMUNICATION CO., L Free format text: FORMER OWNER: LG ELECTRONICS (CHINA) R + D CENTER CO., LTD. Effective date: 20120323 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100102 CHAOYANG, BEIJING TO: 264001 YANTAI, SHANDONG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120323 Address after: 264001 No. 228 Changjiang Road, Yantai economic and Technological Development Zone, Shandong, China Patentee after: Langchao Lejin Digital Mobile Communication Co., Ltd. Address before: Two Beijing 100102 Chaoyang District city in Wangjing Lize Park No. 203 Petrova building block B Patentee before: LG Electronic (China) Research and Development Center Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060726 Termination date: 20141218 |
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| EXPY | Termination of patent right or utility model |