CN201044441Y - Double-card stand-by mobile phone - Google Patents
Double-card stand-by mobile phone Download PDFInfo
- Publication number
- CN201044441Y CN201044441Y CNU2007201195820U CN200720119582U CN201044441Y CN 201044441 Y CN201044441 Y CN 201044441Y CN U2007201195820 U CNU2007201195820 U CN U2007201195820U CN 200720119582 U CN200720119582 U CN 200720119582U CN 201044441 Y CN201044441 Y CN 201044441Y
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- control circuit
- main control
- card
- circuit
- data terminal
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Abstract
The utility model relates to a dual SIM phone which can be provided with two SIM cards at the same time and can realize simultaneous stand-by mode of both cards, wherein the inside of the mobile phone is provided with an analog switch, an auxiliary card control circuit and an auxiliary card radio frequency circuit; the data terminal of the auxiliary card control circuit is connected with the auxiliary card radio frequency circuit; the data interface of the auxiliary card control circuit is connected with the data interface of a main control circuit; the control terminal of the analog switch is connected with the I/O ports of the main control circuit; the signal output end of an audio input circuit is connected with the single-channel data interface of the analog switch; a double-channel data interface corresponding to the analog switch is respectively connected with the data terminal of the main control circuit and the data terminal of the auxiliary card control circuit; the signal input end of an audio output circuit is connected with the single-channel data interface of the analog switch; moreover, the double-channel input end corresponding to the analog switch is respectively connected with the data terminal of the main control circuit and the data terminal of the auxiliary card control circuit. Both systems are on line at the same time, thereby really realizing dual SIM dual stand-by function and reducing manufacturing cost.
Description
Affiliated technical field
The utility model relates to a kind of mobile phone, and two mobile phone cards of particularly a kind of support exist in the mobile phone simultaneously, and can two double card double standby mobile phones that block standbies simultaneously.
Background technology
Mobile phone is as transportable communication tool, and the use in people's life is more and more, and the effect of performance is also increasing, become day by day people's daily life indispensable electronic product.And mobile phone of the prior art mostly is single mode single deck tape-recorder mobile phone, and it is can only be provided with a kind of mobile phone card of standard in a mobile phone, and can only establish a mobile phone card.And single mode single deck tape-recorder mobile phone has been difficult to satisfy people's demand day by day, double-mode double-card mobile phone appears again, present double-card mobile phone all is that two cover cell phone systems are set in a casing, respectively corresponding connection two cover LCD display unit, voice input device and audio output device in the two cover cell phone systems, just two cover cell phone systems are integrated in the mobile phone shell, its manufacturing cost is higher, and when a cartoon letters, another card can not be simultaneously online, do not have realization double-card dual-standby truly.
Summary of the invention
Mostly be the demand that single mode single deck tape-recorder mobile phone can not satisfy people at mobile phone in the above-mentioned prior art of mentioning, the manufacturing cost of double-card mobile phone is higher, and two cards can not be simultaneously online, can not in realize the shortcoming of double-card dual-standby truly, the utility model provides a kind of new handset structure, connect by serial line interface between its main card system and the secondary card system, the shared cover LCD display unit of two cover systems, voice input device, audio output device, input keyboard etc., between change with analog switch, realize real double-card dual-standby.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of double card double standby mobile phone, include main control circuit, radio circuit, the address card interface, input keyboard, display unit, the audio frequency input circuit, audio output circuit, radio circuit is connected with the main control circuit data terminal, the address card interface is connected with the main control circuit data terminal, input keyboard is connected with the main control circuit data terminal, display unit is connected with the main control circuit data terminal, the audio frequency input circuit is connected with the main control circuit data terminal, audio output circuit is connected with the main control circuit data terminal, be provided with analog switch in the mobile phone, secondary card control circuit and secondary card radio circuit, be connected with secondary card radio circuit on the data terminal of secondary card control circuit, secondary card control circuit data-interface is connected with the main control circuit data-interface, the control end of analog switch is connected with main control circuit I/O mouth, the signal output part of audio frequency input circuit is connected with the single channel data-interface of analog switch, the two-way data-interface that analog switch is corresponding with it is connected with the data terminal of main control circuit and the data terminal of secondary card control circuit respectively, the signal input part of audio output circuit is connected with the single channel data-interface of analog switch, and the dual input end that analog switch is corresponding with it is connected with the data terminal of main control circuit and the data terminal of secondary card control circuit respectively.
The technical scheme that its technical problem that solves the utility model adopts further comprises: be provided with secondary memory in the described mobile phone, secondary memory is connected with the data terminal of secondary card control circuit.
The data-interface that described secondary card control circuit is connected with main control circuit adopts serial line interface.
Described analog switch adopts the wide quick single-pole double throw cmos switch of Electronic Control two-way broadband.
The beneficial effects of the utility model are: connect by serial line interface between the utility model main card system and the secondary card system, two cover systems can be simultaneously online, realize real double-card dual-standby, the shared cover LCD display unit of two covers, voice input device, audio output device, input keyboard etc., realized that on manufacturing cost 1 adds 1 less than 2 cost advantage, reduce manufacturing cost, and made things convenient for the user.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the utility model circuit block diagram.
Fig. 2 is the utility model receiver partial simulation switch application circuit theory diagrams.
Fig. 3 is the utility model microphone part analog switch application circuit schematic diagram.
Fig. 4 is the utility model earphone Mike receptacle portion analog switch application circuit schematic diagram.
Fig. 5 divides analog switch application circuit schematic diagram for the utility model band MP3 function audio output part.
Among the figure, U1-analog switch, R1-resistance, MK1-Mike.
Embodiment
Present embodiment is the utility model preferred implementation, and other all its principle is identical with present embodiment or approximate with basic structure, all within the utility model protection range.
Referring to accompanying drawing 1, Fig. 1 is the utility model circuit block diagram.Among the figure, each part of mobile phone all adopts mobile module of the prior art, and main control circuit, input keyboard, LCD display unit, main radio circuit, main storage, main card interface, voice input device, audio output device reach to the power module cooperation of each several part power supply and constitute mobile phone of the prior art.Wherein input keyboard, LCD display unit, main radio circuit, main storage, main card interface, voice input device and audio output device are connected on the data terminal of main control circuit accordingly.In the utility model, in common single deck tape-recorder mobile phone, have additional the secondary card of cover system, wherein secondary card system includes secondary card control circuit, secondary card radio circuit, secondary card memory, several big modules of secondary card, corresponding pair card radio circuit, secondary card memory and the secondary card of being connected with of the data terminal of secondary card control circuit, the data-interface of secondary card control circuit is connected with the data-interface of main control circuit, makes the intercommunication of main control circuit and secondary card control circuit by data-interface.In the present embodiment, the data-interface of secondary card control circuit and main control circuit adopts universal asynchronous receiving-transmitting interface (being UART) to communicate.In the utility model, the shared cover power supply of main card system and secondary card system, input keyboard, LCD display unit and voice input device, audio output device, input keyboard and LCD display unit all are connected on the corresponding data end of main control circuit, discern keyboard input information and utilize master control circuit controls to drive the LCD display unit by main control circuit to show relevant information.Be connected with the control end of mobile phone on the I/O mouth of main control circuit with analog switch U1, analog switch U1 can be divided into two-way with one-channel signal, and select conducting wherein a tunnel by control end, analog switch U1 adopts the wide quick single-pole double throw cmos switch of two-way broadband in the present embodiment, its concrete model adopts PI5A4684, during concrete enforcement, also can adopt the analog switch of other models to replace use.Mobile phone sound intermediate frequency input unit and audio output device all only are provided with a cover, wherein the signal output part of voice input device is connected with the single channel data-interface of analog switch, two-way data-interface correspondingly is connected with corresponding data end in main control circuit and the secondary card control circuit respectively, the signal input part of audio output device is connected with the single channel data-interface of analog switch, two-way data-interface correspondingly is connected with corresponding data end in main control circuit and the secondary card control circuit respectively, can pass through the master control circuit controls analog switch, make its audio frequency input of selecting conducting main card system and audio frequency output, or the audio frequency input of the secondary card of conducting system and audio frequency output.
In use, after user's start, by main card system start-up mobile phone, the system start-up of the secondary card of main card system control, check after the startup that whether main SIM card and secondary SIM card exist simultaneously, if do not exist simultaneously, only exist a SIM card, then the SIM card that exists is registered, its use is the same with common single deck tape-recorder mobile phone.If two SIM card exist simultaneously, inquire that then whether only opening a card still is that two cards are open-minded simultaneously, then select to open the still secondary card of main card as only opening a card, then the SIM card of opening is registered, after the SIM card registration is finished, then can carry out other operations, it is the same with regular handset, and is as broad as long.When the main card system calls, comes note etc., or by main card caller or transmission note etc., can be by keyboard operation, the LCD display unit shows accordingly, the master control circuit controls analog switch, corresponding and main card system is conducted with voice input device and audio output device.System calls when the pair card, come note etc., secondary card control circuit sends data by serial line interface and works as main control circuit, main control circuit is produced to interrupt, respond secondary card control system information, corresponding and main card system is conducted with voice input device and audio output device simultaneously, main control circuit reads keyboard input information, be sent to secondary card control circuit by serial line interface, secondary card control circuit is handled input information, secondary card control circuit sends video data to main control circuit by serial line interface, main control circuit drives the LCD display unit and shows relevant information, if by secondary card system's caller or transmission note, then secondary card control circuit transmit a request to main control circuit, and it is responded the relevant information that secondary card control circuit sends.When main card wherein or secondary card ongoing communication, another card has the phone incoming call, then can produce ring, and optionally connected tin of user or hang up after the user selects to hang up, then can continue to answer current phone; When selecting to answer as the user, then the current phone of temporary suspension inserts and newly calls, and the audio frequency input/output unit is changed in the correspondent control circuits of newly calling.The user can be at any time carries out freely switching between main card system and secondary card system by the button on the mobile phone faceplate easily, makes two cards simultaneously online, and to select easily be main card conversation or secondary cartoon words.
Earphone Mike interface in the mobile phone also is connected in main card system and the secondary card system accordingly by analog switch.
Also can set up in the mobile phone as take pictures, shooting, additional functions such as MP3, MP4, it all is connected with main control circuit, when if secondary card system operates on it, read corresponding data by main control circuit, data transfer to secondary card system by serial line interface by main control circuit, and are stored on the corresponding storage card.The audio signal of MP3, MP4 when playing, the also audio signal output by corresponding analog switch conducting corresponding main card system or secondary card system.
Main card can adopt the form of two kinds of identical standards of the prior art or different systems combined with secondary card system in the utility model, can adopt GSM+GSM as main card system and secondary card system, or GSM+CMDA, or CDMA+CDMA, or GSM+3G, or 3G+3G, or CDMA+3G.
The shared cover power supply of the utility model two cover communication systems, input keyboard, LCD display unit and voice input device, audio output device, realized that 1 adds 1 less than 2 production cost saving, communicate between two systems by serial port simultaneously, and utilize interrupt response in two cover systems, to switch, realized double-card dual-standby function truly.
Claims (4)
1. double card double standby mobile phone, include main control circuit, radio circuit, the address card interface, input keyboard, display unit, the audio frequency input circuit, audio output circuit, radio circuit is connected with the main control circuit data terminal, the address card interface is connected with the main control circuit data terminal, input keyboard is connected with the main control circuit data terminal, display unit is connected with the main control circuit data terminal, the audio frequency input circuit is connected with the main control circuit data terminal, audio output circuit is connected with the main control circuit data terminal, it is characterized in that: be provided with analog switch in the described mobile phone, secondary card control circuit and secondary card radio circuit, be connected with secondary card radio circuit on the data terminal of secondary card control circuit, secondary card control circuit data-interface is connected with the main control circuit data-interface, the control end of analog switch is connected with main control circuit I/O mouth, the signal output part of audio frequency input circuit is connected with the single channel data-interface of analog switch, the two-way data-interface that analog switch is corresponding with it is connected with the data terminal of main control circuit and the data terminal of secondary card control circuit respectively, the signal input part of audio output circuit is connected with the single channel data-interface of analog switch, and the dual input end that analog switch is corresponding with it is connected with the data terminal of main control circuit and the data terminal of secondary card control circuit respectively.
2. double card double standby mobile phone according to claim 1 is characterized in that: be provided with secondary memory in the described mobile phone, secondary memory is connected with the data terminal of secondary card control circuit.
3. double card double standby mobile phone according to claim 1 is characterized in that: the data-interface that described secondary card control circuit is connected with main control circuit adopts serial line interface.
4. double card double standby mobile phone according to claim 1 is characterized in that: described analog switch adopts the wide quick single-pole double throw cmos switch of Electronic Control two-way broadband.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201195820U CN201044441Y (en) | 2007-04-17 | 2007-04-17 | Double-card stand-by mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201195820U CN201044441Y (en) | 2007-04-17 | 2007-04-17 | Double-card stand-by mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201044441Y true CN201044441Y (en) | 2008-04-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201195820U Expired - Fee Related CN201044441Y (en) | 2007-04-17 | 2007-04-17 | Double-card stand-by mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201044441Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105657867A (en) * | 2016-01-28 | 2016-06-08 | 努比亚技术有限公司 | Mobile terminal and communication method of mobile terminal based on two channels |
| CN105657866A (en) * | 2016-01-28 | 2016-06-08 | 努比亚技术有限公司 | Mobile terminal and communication method of mobile terminal |
| CN105682085A (en) * | 2016-04-18 | 2016-06-15 | 广东欧珀移动通信有限公司 | Method and device for realizing that double cards simultaneously use communication network in mobile terminal |
| CN105722058A (en) * | 2016-01-27 | 2016-06-29 | 努比亚技术有限公司 | User equipment and information forwarding method |
| CN107396415A (en) * | 2017-09-01 | 2017-11-24 | 北京小米移动软件有限公司 | The communication means and terminal of dual-card intelligent terminal |
| 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 |
-
2007
- 2007-04-17 CN CNU2007201195820U patent/CN201044441Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105722058A (en) * | 2016-01-27 | 2016-06-29 | 努比亚技术有限公司 | User equipment and information forwarding method |
| CN105657867A (en) * | 2016-01-28 | 2016-06-08 | 努比亚技术有限公司 | Mobile terminal and communication method of mobile terminal based on two channels |
| CN105657866A (en) * | 2016-01-28 | 2016-06-08 | 努比亚技术有限公司 | Mobile terminal and communication method of mobile terminal |
| CN105682085A (en) * | 2016-04-18 | 2016-06-15 | 广东欧珀移动通信有限公司 | Method and device for realizing that double cards simultaneously use communication network in mobile terminal |
| 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 |
| CN107396415A (en) * | 2017-09-01 | 2017-11-24 | 北京小米移动软件有限公司 | The communication means and terminal of dual-card intelligent terminal |
| CN107396415B (en) * | 2017-09-01 | 2020-12-04 | 北京小米移动软件有限公司 | Communication method of dual-card intelligent terminal and terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080402 |