CN101350975B - Method for controlling double CDMA user recognizing module by CDMA and GSM dual-mode mobile phone - Google Patents
Method for controlling double CDMA user recognizing module by CDMA and GSM dual-mode mobile phone Download PDFInfo
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- CN101350975B CN101350975B CN 200710043862 CN200710043862A CN101350975B CN 101350975 B CN101350975 B CN 101350975B CN 200710043862 CN200710043862 CN 200710043862 CN 200710043862 A CN200710043862 A CN 200710043862A CN 101350975 B CN101350975 B CN 101350975B
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Abstract
The invention reveals a method for controlling double-CDMA user identification module for CDMA/GSM double-mode mobile phone. Without changing the hardware of CDMA/GSM double-mode mobile phone, the invention uses a CDMA control module to operate a first CDMA user identification module or to found a mutually- connected GSM asynchronous receiver and driver module and a driver module of UIM and SIM on a GSM control module. The GSM asynchronous receiver and driver module is communicated with the drive layer of the CDMA device of the CDMA control module by universal asynchronous receiver transmitter (UART) so that the CDMA control module controls a second CDMA user identification module connected with the driver module of UIM and SIM; double-CDMA user identification module can be controlled in CDMA/GSM double-mode mobile phone; and then, the needs of businessmen and individuation lovers can be satisfied.
Description
Technical field
The invention relates to a kind of method of controlling two CDMA subscriber identification modules, and particularly relevant for the method for a kind of CDMA with GSM dual-mode handset control pair CDMA subscriber identification modules.
Background technology
Wireless communication technique has developed many codes and standards at present, common wireless telecommunication system has GSM (Global Systemfor Mobile Communication, global system for mobile communications), CDMA (Code Division Multiple Access, the demal multitask system), PHS (Personal Handy-phone System, personal handhold telephone system) etc., and need to switch the demand of different specification modular system in order to satisfy user's mobile phone, each tame mobile communication dealer is developed the mobile phone that to have dual mode system one after another, promptly is wherein one of to represent as have CDMA and gsm system simultaneously in a mobile phone.
Please refer to Fig. 1, is the CDMA and the GSM dual mode system framework of known techniques.In the function mode of this framework, CDMA control module 110 is to control CDMA subscriber identification module 130, but this CDMA subscriber identification module electric property coupling one UIM of system (User Identity Model, user's identification module) card.In addition, GSM control module 110 can also see through GSM control module 120 with control GSM subscriber identification module 140.It is to utilize CDMA application layer (CDMA Application Layer) 111 to send a control command, and this control command system is sent to CDMA device Drive Layer (CDMA Device Driver Layer) 113 by CDMA protocol stack (CDMA Protocol Stack) 112.CDMA device Drive Layer 113 sees through an asynchronous receiving-transmitting (Universal AsynchronousReceiver/Transmitter again, UART) standard is transmitted the GSM application layer (GSM Application Layer) 121 of this control command to GSM control module 120 by gsm protocol stack (GSM Protocol Stack) 122 at last with the GSM device Drive Layer (GSM Device Driver Layer) 123 of output control command to GSM control module 120.
This GSM application layer 121 is whether further parsing control command is effective, when judging that this control command is effective order, see through the initial data (Raw Data) that gsm protocol stack 122 is sent to GSM device Drive Layer 123 for intermediary with control command and reads GSM subscriber identification module 140, this GSM subscriber identification module 140 is electric property coupling one SIM (SubscriberIdentity Model, a subscriber identification module) card.Then the initial data of GSM subscriber identification module 140 is transmitted back GSM application layer 121 through the SIM agreement (SIM Protocol) of GSM control module 120, by this as response to this control command.
Last GSM application layer 121 is called GSM device Drive Layer 123 again and through asynchronous receiving-transmitting (UART) standard initial data is sent to CDMA device Drive Layer 113, and pass initial data back CDMA application layer 111 by CDMA protocol stack 112, handle the initial data that is returned by CDMA application layer 111.
But the known techniques cording has unavoidable disappearance, promptly is that this kind CDMA and GSM dual-mode handset also can't be applicable to the user with two CDMA subscriber identification modules, promptly is meant the user who has double-H groove weld IM card.The essential condition of using dual mode capability because of CDMA and GSM dual-mode handset user for this reason must be respectively a UIM card and the SIM card (being built in chip or IC in the mobile phone in comprising) with indivedual corresponding CDMA numbers and GSM number.If when the user wants to use the UIM card of two corresponding CDMA numbers, still need additionally buy a mobile phone that can insert the UIM card.Identical, this CDMA has the GSM control module with the GSM dual-mode handset and has no usage fully with 140 of the GSM subscriber identification modules that is connected, so can't satisfy and not apply for the GSM number and have the user's of two CDMA numbers demand, and then reduce the practicality of this CDMA and GSM dual-mode handset.
Summary of the invention
Main purpose of the present invention is to provide a kind of CDMA (Code Division Multiple Access, code division multiple access) with GSM (Global System fbr Mobile Communication, global system for mobile communications) method of the two CDMA subscriber identification modules of dual-mode handset control is so that CDMA and GSM dual-mode handset can use neither the two CDMA subscriber identification modules with number under the situation of not changing hardware.
To achieve these goals, the method for CDMA of the present invention and the two CDMA subscriber identification modules of GSM dual-mode handset control, this method comprises the following step at least:
The executive system initialization; And
Judge whether one the 2nd CDMA subscriber identification module standby that connected by a GSM control module, if otherwise by one the one CDMA subscriber identification module standby, system utilizes a CDMA control module to control a CDMA subscriber identification module of its connection, if yes then by the 2nd CDMA subscriber identification module standby, a GSM device Drive Layer that lies in the GSM control module is set up an interconnective GSM asynchronous receiving-transmitting driver module and a UIM and SIM driver module, and this GSM asynchronous receiving-transmitting driver module is communicated with a CDMA device Drive Layer of this CDMA control module with the asynchronous receiving-transmitting standard, to control the 2nd CDMA subscriber identification module that is connected with the SIM driver module with this UIM.
Described method also comprises:
Obtain and write down with a CDMA subscriber identification module or with the 2nd CDMA subscriber identification module standby; And
Reset system.
This record utilizes a flash memory, an EEPROM or an EPROM to store with this CDMA subscriber identification module or with the 2nd CDMA subscriber identification module standby system.
System comprises the following step by a CDMA subscriber identification module standby step:
Export a control command to this CDMA device Drive Layer via a CDMA application layer of this CDMA control module;
Utilize this CDMA device Drive Layer to obtain the initial data of a CDMA subscriber identification module;
Return the CDMA protocol stack of this initial data to the CDMA control module, and handle this initial data via this CDMA protocol stack; And
Return treated this initial data to this CDMA application layer.
Exporting a control command to this CDMA device Drive Layer step system via a CDMA application layer of this CDMA control module comprises and utilizes this CDMA protocol stack to handle this control command and export treated this control command to this CDMA device Drive Layer.
System comprises the following step by the 2nd CDMA subscriber identification module standby step:
Export a control command to this GSM asynchronous receiving-transmitting driver module via the CDMA application layer of this CDMA control module;
Utilize this GSM asynchronous receiving-transmitting driver module to resolve this control command and judge whether this control command is effective order, if be judged as effectively, then utilize this UIM and SIM driver module to control and obtain the initial data of the 2nd CDMA subscriber identification module, and return the CDMA protocol stack of this initial data to this CDMA control module through this GSM asynchronous receiving-transmitting driver module and this CDMA device Drive Layer; And
Handle this initial data and treated this initial data is back to this CDMA application layer via this CDMA protocol stack.
Should export a control command to this GSM asynchronous receiving-transmitting driver module step via the CDMA application layer of this CDMA control module and comprise the following step at least:
CDMA application layer via this CDMA control module is exported a control command;
Utilize the CDMA protocol stack of this CDMA control module to handle this control command and output; And
Utilize this CDMA device Drive Layer acquisition and pass on this control command to this GSM asynchronous receiving-transmitting driver module.
The one CDMA subscriber identification module system power supply property couples one the one UIM card, for the data that read a UIM card.
The 2nd CDMA subscriber identification module system power supply property couples one the 2nd UIM card, for the data that read the 2nd UIM card.
The present invention has the known techniques effect that is beyond one's reach, and can dispose neither the CDMA subscriber identification module with number on CDMA and GSM dual-mode handset, but promptly be the UIM card of two corresponding CDMA numbers of electric property coupling.And the CDMA control module is except that the transmission that can stick into row control and data to the UIM that is electrically coupled to a CDMA subscriber identification module, more can see through cooperating of GSM asynchronous receiving-transmitting driver module and UIM and SIM driver module, the 2nd UIM that is electrically coupled to the 2nd CDMA subscriber identification module is sticked into capable control and transfer of data.Therefore for the user who has double-H groove weld IM card, also can realize the control of two CDMA numbers under the situation of UIM card easily and freely select need not to change, and need not to do the hardware structure major change with different CDMA subscriber identification module standbies.In addition, the GSM control module only is equivalent to the function of interim data, and does not need the intervention of gsm protocol stack and SIM agreement, so can reduce the complexity of control program and promote its usefulness indirectly.Not only reduce the psychology that cell phone manufacturer's research and development time and cost also satisfy modern's seeking change and innovation, also can at utmost satisfy business people and personalized fan's demand simultaneously.
Description of drawings
Fig. 1 illustrates the CDMA of known techniques and the system architecture diagram of GSM dual-mode handset;
Fig. 2 illustrates the system architecture diagram of first and second CDMA subscriber identification module of control of the present invention embodiment;
Fig. 3 illustrates the flow chart of first and second CDMA subscriber identification module standby of control of the present invention embodiment;
Fig. 4 illustrates the thin portion flow chart of the CDMA subscriber identification module standby of Fig. 3;
Fig. 5 illustrates the thin portion flow chart of the 2nd CDMA subscriber identification module standby of Fig. 3; And
Fig. 6 illustrates selection of the present invention and writes down the flow chart of the first or the 2nd CDMA subscriber identification module standby embodiment.
Embodiment
About feature of the present invention and embodiment, cooperate diagram to be described in detail as follows now as most preferred embodiment.
Please refer to Fig. 2, it is the system architecture diagram of first and second CDMA subscriber identification module of control of the present invention embodiment.This system comprises a CDMA (Code Division Multiple Access, code division multiple access) control module 210, a GSM (Global System for Mobile Communication, global system for mobile communications) control module 220, one the one CDMA subscriber identification module 230 and one the 2nd CDMA subscriber identification module 240.This CDMA control module 210 is to comprise a CDMA application layer (CDMA Application Layer) 211, one CDMA protocol stack (CDMAProtocol Stack), 212 and one CDMA device Drive Layer (CDMA Device Driver Layer) 213, GSM control module 220 then comprises a GSM application layer (GSM Application Layer) 221, one gsm protocol stack (GSMProtocol Stack), 222 and one GSM device Drive Layer (GSM Device Driver Layer) 223, and in GSM device Drive Layer (GSM Device Driver Layer) 223, set up a GSM asynchronous receiving-transmitting driver module (GSMUniversal Asynchronous Receiver/Transmitter Driver, GSM UART Driver) 2231 and one UIM (User Identity Model, user's identification module) with SIM (Subscriber Identification Module, subscriber identification module) driver module 2232.
Wherein, CDMA device Drive Layer 213 is electric property coupling the one a CDMA subscriber identification module 230, GSM asynchronous receiving-transmitting driver module 2231 is to interconnect with SIM driver module 2232 with UIM and be communicated with CDMA device Drive Layer 213, and the 2nd CDMA subscriber identification module 240 more electric property coupling UIM and SIM driver module 2232.
System of this system according to be stored in dual-mode handset with a CDMA subscriber identification module or with the set information of the 2nd CDMA subscriber identification module standby, send corresponding control command with the CDMA application layer 211 that makes CDMA control module 210, control the action and the data passes of a CDMA subscriber identification module 230 via CDMA device Drive Layer 213.Perhaps, CDMA control module 210 is via CDMA device Drive Layer 213 and GSM asynchronous receiving-transmitting driver module 2231, control command is sent to UIM and SIM driver module 2232, with action and the data passes of controlling the 2nd CDMA subscriber identification module 240.When CDMA control module 210 controls the 2nd CDMA subscriber identification module 240, be to see through the operation of serial-port that GSM asynchronous receiving-transmitting driver module 2231 control UIM and SIM driver module 2232 carry out single worker, therefore GSM asynchronous receiving-transmitting driver module 2231 can replace the partial function of GSM application layer 221 and gsm protocol stack 222, so need not to use GSM application layer 221, gsm protocol stack and SIM agreement thereof.
In this example, a CDMA subscriber identification module 230 is power supply property connection one a UIM card.The 2nd CDMA subscriber identification module 240 is power supply property connection 1 the 2nd a UIM card.Secondly, transmission message system between CDMA device Drive Layer 213 and the GSM asynchronous receiving-transmitting driver module 2231 sees through an asynchronous receiving-transmitting, and (Universal AsynchronousReceiver/Transmitter, UART) standard is carried out the whole and transmission of remittance of control command and data.
Please refer to Fig. 3, it is a system flow chart of the present invention, please also refer to Fig. 2 and understands.The flow process system of this control method comprises the following step:
Executive system initialization (step S310) in this CDMA and when the GSM dual-mode handset is started shooting or system is reset, is carried out the initialization operation of this system.
Judge whether one the 2nd CDMA subscriber identification module, 240 standbies (step S320) that connected by a GSM control module 220.The set information that system's acquisition standby is used is to judge whether carrying out stand-by operation by the 2nd CDMA subscriber identification module 240.And the set information that standby is used system is stored on the internal memory that CDMA and GSM dual-mode handset promptly have, and means the set information that memory storage is carried out standby with that CDMA subscriber identification module.Internal memory itself can be flash memory (Flash Memory), Electrically Erasable Read Only Memory (Electrically Erasable ProgrammableRead-Only Memory, EEPROM) or Erasable Programmable Read Only Memory EPROM (Erasable Programmable ReadOnly Memory, EPROM).
If the result who judges for not, then by one the one CDMA subscriber identification module standby 230, is a CDMA subscriber identification module 230 (step S330) of utilizing a CDMA control module 210 its connections of control.
Otherwise, if judged result in step S320 is when being, then by 240 standbies of the 2nd CDMA subscriber identification module, lie in a GSM device Drive Layer 223 and set up an interconnective GSM asynchronous receiving-transmitting driver module 2231 and a UIM and SIM driver module 2232, and GSM asynchronous receiving-transmitting driver module 2231 is communicated with a CDMA device Drive Layer 213 of CDMA control module 210 with asynchronous receiving-transmitting (UART) standard, the 2nd CDMA subscriber identification module 240 (step S340) that is connected with SIM driver module 2232 with control and UIM.
Please refer to Fig. 4, it is the thin portion flow chart of the CDMA subscriber identification module standby of Fig. 3.Among this step S330, system exports a control command to CDMA device Drive Layer 213 via the CDMA application layer (GSM Application Layer) 211 of CDMA control module 210.Among the step S331,, be to utilize (CDMA Protocol Stack) the 212 processing controls orders of CDMA protocol stack and export treated control command to CDMA device Drive Layer 213 when CDMA control module 210 during via CDMA application layer 211 transmitting control commands.Obtain the initial data (Raw Data) of a CDMA subscriber identification module 230 according to this control command to utilize CDMA device Drive Layer 213.Afterwards, among the step S332, CDMA device Drive Layer 213 returns initial data again to CDMA protocol stack 212, and handles this initial data via CDMA protocol stack 212.At last, among the step S333, return treated initial data again to CDMA application layer 211.Step S334 finishes the control and the data read of 210 pairs the one CDMA subscriber identification modules 230 of CDMA control module by this, enters the standby mode based on a CDMA subscriber identification module 230 simultaneously.
Please refer to Fig. 5, it is the thin portion flow chart of the 2nd CDMA subscriber identification module standby of Fig. 3.Among the step S340, system of system exports a control command to GSM asynchronous receiving-transmitting driver module 2231 via the CDMA application layer 211 of CDMA control module 210.When system exports a control command via the CDMA application layer 211 of CDMA control module 210, system utilizes the 212 processing controls orders of CDMA protocol stack and the output of CDMA control module 210, utilizes CDMA device Drive Layer 213 to pass on control command to GSM asynchronous receiving-transmitting driver module 2231 again.This control command is that (Universal AsynchronousReceiver/Transmitter, UART) standard is carried out the transmission of control command via asynchronous receiving-transmitting when 213 outputs of CDMA device Drive Layer.Afterwards, among the step S341, resolve this control command and judge whether this control command is effective order with GSM asynchronous receiving-transmitting driver module 2231 again, if be judged as effective order, then utilize UIM and SIM driver module 2232 to control and obtain the initial data (step S342) of the 2nd CDMA subscriber identification module 240.Before this, GSM control module 220 is the opering characteristic of electric apparatus standard that according to this control command its operation frequency and operating voltage is configured to meet the 2nd CDMA subscriber identification module 240, and with 240 initialization of the 2nd CDMA subscriber identification module, so that control the 2nd CDMA subscriber identification module 240 and carry out the transmission of data.Yet, because gsm protocol stack 222 operations the 2nd CDMA subscriber identification module 240 promptly is single worker's a operation of serial-port, so GSM asynchronous receiving-transmitting driver module 2231 can partly replace gsm protocol stack 222 and the SIM agreement is controlled the 2nd CDMA subscriber identification module 240 to see through UIM and SIM driver module 2232.
Then, UIM and SIM driver module 2232 are to see through GSM asynchronous receiving-transmitting driver module 2231 and the CDMA protocol stack 212 (step S343) of CDMA device Drive Layer 213 passback initial data to CDMA control module 210.UIM and SIM driver module 2232 are sent to GSM asynchronous receiving-transmitting driver module 2231 with initial data earlier, by certain baud rate initial data is sent to CDMA device Drive Layer 213, the action of GSM control module 220 at this moment promptly is the effect of playing interim data to this GSM asynchronous receiving-transmitting driver module 2231 via asynchronous receiving-transmitting (UART) standard.CDMA device Drive Layer 213 is sent to initial data CDMA protocol stack 212 more afterwards.
At last, handle initial data and treated initial data is back to CDMA application layer 211 (step S344) via CDMA protocol stack 212, CDMA application layer 211 is to handle the initial data of passback, and then finish the preliminary control of 211 pairs the 2nd CDMA subscriber identification modules 240 of CDMA application layer, enter standby mode simultaneously based on the 2nd CDMA subscriber identification module 240.And the user can see through CDMA application layer 211 and controls the go forward side by side transmission of line data of the 2nd CDMA subscriber identification module 240.
Please refer to Fig. 6, it is selection of the present invention and the flow chart that writes down the first or the 2nd CDMA subscriber identification module standby embodiment, is to comprise following flow process:
Obtain and write down with a CDMA subscriber identification module 230 or with the 2nd CDMA subscriber identification module 240 standbies (step S410).This step cording has several different practices, and the modal practice has the record flag data and stores the standby set information.
When the user utilizes CDMA and GSM dual-mode handset to assign to switch or selects with a CDMA subscriber identification module 230 or during with the control command of the 2nd CDMA subscriber identification module 240 standbies, system can capture this control command and the information that comprises according to control command to write a flag data or to want the CDMA subscriber identification module used or the standby set information of the 2nd CDMA subscriber identification module to be stored in the internal memory user.
Reset system (step S420), after system is reset (or with CDMA and the heavy-handed new start of CDMA bimodulus), can read the flag data or the standby set information that store in the internal memory, to judge and to drive the initial data that CDMA control module 210 reads a CDMA subscriber identification module 230 or the 2nd CDMA subscriber identification module 240, to enter the standby mode of a CDMA subscriber identification module 230 or the 2nd CDMA subscriber identification module 240.
In sum, the system and the method thereof of utilization CDMA provided by the present invention and the two CDMA subscriber identification modules of GSM dual-mode handset control, can be under the prerequisite that does not change hardware, see through cooperating between CDMA control module, GSM asynchronous receiving-transmitting driver module and UIM and the SIM driver module so that the 2nd CDMA subscriber identification module is controlled, so the user can stick into row control and switching standby mode to the UIM of two different CDMA numbers with the UIM card need not to change mobile phone, and then the practicality of this CDMA and GSM dual-mode handset is provided.
Though the present invention discloses as above with aforesaid preferred embodiment; right its is not in order to limiting the present invention, anyly is familiar with related art techniques person, without departing from the spirit and scope of the present invention; the equivalence of doing to change with retouching is replaced, and still is in the scope of patent protection of the present invention.
Claims (9)
1. the method for the two CDMA subscriber identification modules of CDMA and GSM dual-mode handset control, this method comprises the following step at least:
The executive system initialization; And
Judge whether one the 2nd CDMA subscriber identification module standby that connected by a GSM control module, if otherwise by one the one CDMA subscriber identification module standby, system utilizes a CDMA control module to control a CDMA subscriber identification module of its connection, if yes then by the 2nd CDMA subscriber identification module standby, a GSM device Drive Layer that lies in the GSM control module is set up an interconnective GSM asynchronous receiving-transmitting driver module and a UIM and SIM driver module, and this GSM asynchronous receiving-transmitting driver module is communicated with a CDMA device Drive Layer of this CDMA control module with the asynchronous receiving-transmitting standard, to control the 2nd CDMA subscriber identification module that is connected with the SIM driver module with this UIM.
2. the method for claim 1 is characterized in that, also comprises:
Obtain and write down with a CDMA subscriber identification module or with the 2nd CDMA subscriber identification module standby; And
Reset system.
3. method as claimed in claim 2 is characterized in that, this record utilizes a flash memory, an EEPROM or an EPROM to store with a CDMA subscriber identification module or with the 2nd CDMA subscriber identification module standby system.
4. the method for claim 1 is characterized in that, system comprises the following step by a CDMA subscriber identification module standby step:
Export a control command to this CDMA device Drive Layer via a CDMA application layer of this CDMA control module;
Utilize this CDMA device Drive Layer to obtain the initial data of a CDMA subscriber identification module;
Return the CDMA protocol stack of this initial data to the CDMA control module, and handle this initial data via this CDMA protocol stack; And
Return treated this initial data to this CDMA application layer.
5. method as claimed in claim 4, it is characterized in that, export a control command to this CDMA device Drive Layer step system via a CDMA application layer of this CDMA control module and comprise and utilize this CDMA protocol stack to handle this control command and export treated this control command to this CDMA device Drive Layer.
6. the method for claim 1 is characterized in that, system comprises the following step by the 2nd CDMA subscriber identification module standby step:
Export a control command to this GSM asynchronous receiving-transmitting driver module via the CDMA application layer of this CDMA control module;
Utilize this GSM asynchronous receiving-transmitting driver module to resolve this control command and judge whether this control command is effective order, if be judged as effectively, then utilize this UIM and SIM driver module to control and obtain the initial data of the 2nd CDMA subscriber identification module, and return the CDMA protocol stack of this initial data to this CDMA control module through this GSM asynchronous receiving-transmitting driver module and this CDMA device Drive Layer; And
Handle this initial data and treated this initial data is back to this CDMA application layer via this CDMA protocol stack.
7. method as claimed in claim 6 is characterized in that, should export a control command to this GSM asynchronous receiving-transmitting driver module step via the CDMA application layer of this CDMA control module and comprise the following step at least:
CDMA application layer via this CDMA control module is exported a control command;
Utilize the CDMA protocol stack of this CDMA control module to handle this control command and output; And
Utilize this CDMA device Drive Layer acquisition and pass on this control command to this GSM asynchronous receiving-transmitting driver module.
8. the method for claim 1 is characterized in that, CDMA subscriber identification module system power supply property couples one the one UIM card, for the data that read a UIM card.
9. the method for claim 1 is characterized in that, the 2nd CDMA subscriber identification module system power supply property couples one the 2nd UIM card, for the data that read the 2nd UIM card.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200710043862 CN101350975B (en) | 2007-07-17 | 2007-07-17 | Method for controlling double CDMA user recognizing module by CDMA and GSM dual-mode mobile phone |
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| CN 200710043862 CN101350975B (en) | 2007-07-17 | 2007-07-17 | Method for controlling double CDMA user recognizing module by CDMA and GSM dual-mode mobile phone |
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| CN101350975A CN101350975A (en) | 2009-01-21 |
| CN101350975B true CN101350975B (en) | 2011-07-27 |
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| CN 200710043862 Expired - Fee Related CN101350975B (en) | 2007-07-17 | 2007-07-17 | Method for controlling double CDMA user recognizing module by CDMA and GSM dual-mode mobile phone |
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| CN101765243B (en) | 2009-12-16 | 2012-10-10 | 中兴通讯股份有限公司 | CDMA and GSM bimodule digital mobile communication terminal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2692942Y (en) * | 2002-01-15 | 2005-04-13 | 华立集团有限公司 | CDMA / GSM double mode mobile communication apparatus |
| US20060095600A1 (en) * | 2004-10-30 | 2006-05-04 | Samsung Electronics Co., Ltd. | Dual mode mobile communication terminal and method for automatically recognizing card information and selecting a drive mode |
| CN1885979A (en) * | 2006-06-16 | 2006-12-27 | 海信集团有限公司 | Dual-mode dual-standby mobile phone with dual-slot and its realizing method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2692942Y (en) * | 2002-01-15 | 2005-04-13 | 华立集团有限公司 | CDMA / GSM double mode mobile communication apparatus |
| US20060095600A1 (en) * | 2004-10-30 | 2006-05-04 | Samsung Electronics Co., Ltd. | Dual mode mobile communication terminal and method for automatically recognizing card information and selecting a drive mode |
| CN1885979A (en) * | 2006-06-16 | 2006-12-27 | 海信集团有限公司 | Dual-mode dual-standby mobile phone with dual-slot and its realizing method |
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