CN100490485C - Wireless device interconnected with portable terminal - Google Patents
Wireless device interconnected with portable terminal Download PDFInfo
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- CN100490485C CN100490485C CNB031002625A CN03100262A CN100490485C CN 100490485 C CN100490485 C CN 100490485C CN B031002625 A CNB031002625 A CN B031002625A CN 03100262 A CN03100262 A CN 03100262A CN 100490485 C CN100490485 C CN 100490485C
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Abstract
The invention provides a kind of wireless device which is connected to the portable terminal. The wireless device includes a wireless model which can carry on voice, instructions, data process, it also includes a power end, which is used to acquire electricity energy and supplies to the wireless model; a interface circuit which connects to the wireless model, which is used for data transmission with the portable terminal; a radiofrequency model connecting to the wireless model, which is used in reception and transmission of radiofrequency signal with wireless network. The device has the wireless communication function.
Description
Technical field
The present invention relates to a kind of wireless device, relate in particular to wireless device a kind of and the portable terminal device interconnection.
Background technology
Portable terminal device (as palmtop PC, notebook computer etc.) general CPU and the open application development environment of adopting more, have be easy to carry, the input method of literal and figure is convenient, flexible, screen big and advantage such as rich color, when carrying out web page browsing, comparatively convenient.Therefore than mobile phone, portable terminal device is more suitable for carrying out web page browsing, sending and receiving short messages.But portable terminal device does not have the radio communication function of voice communication.
And mobile phone has radio communication functions such as voice communication, sending and receiving short messages, wireless Internet access.Yet the screen of mobile phone is less, and is when carrying out web page browsing and watching short message, not too convenient.And when entry information and download and all kinds of wireless program of application, the speed of mobile phone is slower, can not adapt to the modern society user to quick and easy demand.
In the existing radio communication, mobile phone and portable terminal device interconnection, mostly by connecting or insert the form of wireless module, yet, need carry out simultaneously under the situation of speech and data communication, for the several separate device, it is not too convenient to carry, and needs in time to connect wireless module, mobile phone and portable terminal device.Yet concerning busy user, this is a big inconvenience beyond doubt.And networking speed is also lower.
Summary of the invention
In this case, need a kind of wireless device that links to each other with portable terminal device, with the large-screen that is implemented in portable terminal device enterprising accommodating, sending and receiving short messages, browsing page efficiently, the information typing, download and use all kinds of wireless applications, carry out the radio communication of high speed.
For addressing the above problem, the invention provides the wireless device of a kind of and portable terminal device interconnection, comprise that one and wireless network carry out the wireless module of voice, signaling, data processing, this wireless device also comprises:
A power end is used to obtain electric energy, powers to wireless module;
An interface circuit links to each other with wireless module, be used for and portable terminal device between carry out the transmission of voice, signaling, data;
A radio-frequency module is used for carrying out with wireless network the reception and the transmission of radiofrequency signal.
By with the interconnection of wireless device, portable terminal device can be applied to industries such as public security, the tax, insurance in conjunction with different application software.
According to the present invention, the user can utilize portable terminal device information to import easily advantage and receive and dispatch short message, gets online without being tethered to a cable, and also makes portable terminal device possess the function of voice communication of mobile phone; Simultaneously because GPRS or CDMA technology are introduced this wireless device, utilize this wireless device to connect internet (Internet) as wireless modulator-demodulator, as utilize GPRS when online, networking speed can be brought up to 171.2kbps in theory, satisfies the user to wireless application variation and personalized demand.
Description of drawings:
Fig. 1 be in the preferred embodiments of the present invention with the hardware configuration schematic diagram of the wireless device of portable terminal device interconnection;
Fig. 2 carries out initialized flow chart after portable terminal device and the wireless device of the present invention interconnection;
Fig. 3 is the indication icon of various modes of operation.
Embodiment
In this preferred embodiment, be example with employing wireless GSM/GPRS module, the assumed wireless terminal is PDA (personal digital assistant), introduces the present invention in conjunction with the accompanying drawings in detail.
Fig. 1 is the hardware configuration schematic diagram of the wireless device of the present invention and PDA interconnection.As shown in Figure 1, the wireless device of the present invention and PDA interconnection comprises:
A wireless module 11 is used for carrying out voice, signaling, data processing with wireless network;
A power end, described power end comprises: a supply module 12 is used for powering to wireless module; With a charging module 13, give the battery charge of wireless device.
Wherein, wireless GSM/GPRS module 11 is important component parts of the present invention, comprises GSM/GPRS protocol stack, baseband processor and radio circuit, is used to finish the processing to voice, signaling, transfer of data.GSM/GPRS module that this is wireless 11 external interfaces are the RS232 serial line interface, by this RS232 serial line interface, wireless GSM/GPRS module 11 can realize and other modules between data call, by wireless GSM/GPRS module 11, the user just can communicate by the GSM network, realized and user's instruction and data can have been sent to network side, also can receive from the signal of network side and pass to the user may.
For guaranteeing not power down operations of wireless GSM/GPRS module 11, the invention provides a supply module 12, this supply module 12 guarantees that power supply voltage range maintains between 3.3V-4.8V, ripple is less than 400mV.The function of supply module 12 comprises:
A1) electrical isolation is switched with control, is about to that inside and outside power supply is isolated and according to the practical application switching of powering;
A2) ripple effect of minimizing voltage guarantees that inside and outside supply power voltage is stable;
A3) the hard turn-off function of realization battery.
Power source charges module 13 satisfies the lithium cell charging function, is used for:
B1) current monitoring, charging is 4.2V when finishing;
B2) charged state and charged state finish indication.
Wireless device is by power autonomous or adaptive power supply power supply.When powering with adaptive power supply, adaptive power supply is given the power supply of battery and wireless device simultaneously.
C1) meet the test index of voicefrequency circuit;
C2) satisfactory radio circuit parameter index;
C3) satisfy the EMC of each several part circuit, the esd protection function;
C4) indication of types of functionality such as realization online registration, phone.
Wireless device can be connected with PDA by back splint, this easy to connect, easy to operate, after the connection, can start this wireless device by the shift knob that links to each other with wireless module on the wireless device, level change notification PDA by interface signal carries out corresponding initialization, starts thread.Concrete initialization step comprises as shown in Figure 2:
D1) press shift knob " ON " on the wireless device, connect supply module 12, start wireless device, notice PDA carries out network registry;
D2) PDA loads dynamic link library (DLL) then;
D3) after PDA finds the DLL inlet, carry out initialization;
D4) PDA carries out the DLL registration in the GSM network then, and produces the virtual unit end;
D5) wait is called.
This moment, the user can the calling interface function, realized the related communication based on wireless module, got online without being tethered to a cable as voice communication, transmitting-receiving short message and GPRS etc.
The process of voice communication is as described below:
I) call process: caller is sent a call request by interface circuit to wireless GSM/GPRS module 11, wireless GSM/GPRS module 11 receives user's request, give the GSM network by antenna transmission, if called party answer, between calling and called, set up a voice link, the ringing tone frequency module, caller can be carried out voice communication with called by being plugged in microphone on the audio-frequency module and earphone (also can by receiver on the wireless device and microphone).If called hanging up, wireless GSM/GPRS module 11 cut-outs are connected with network side.If called no response or busy is then when surpassing the time of network settings, by wireless GSM/GPRS module 11 notice callers.
Process ii) receives calls: antenna receives the signal from the GSM network, radio circuit by radio-frequency module and wireless GSM/GPRS module 11 is transferred to wireless GSM/GPRS module 11 then, wireless GSM/GPRS module 11 receives ringring prompting, the ringing tone frequency module, notify the called phone incoming call that has by the RS232 bus in the mode of ring or vibration, the called call request of receiving can be by oneself, if agree call request, send agreement conversation instruction by interface circuit to wireless GSM/GPRS module 11 with key mode, wireless GSM/GPRS module 11 is set up a voice link that is used to communicate by letter between called and caller, calledly can carry out voice communication with caller by microphone and earphone (also can by receiver on the wireless device and microphone).If calledly disagree with call request, also notify wireless GSM/GPRS module 11 with key mode, wireless GSM/GPRS module 11 is cut off and being connected of network side.
In the process of above-mentioned voice communication, audio signal can be handled by the audio-frequency module that is located on the wireless device, also can be transferred among the PDA through interface circuit and handle.
The transmitting-receiving process of short message is as described below:
When I) sending SMS message, user's typing, to be sent short message sends to wireless GSM/GPRS module 11 through interface circuit, and wireless then GSM/GPRS module 11 sends to content of short message the SMS service center of GSM network again.
When II) receiving short message, the short message that wireless GSM/GPRS module 11 receives from network side, and it is stored in the wireless GSM/GPRS module 11 or with SIM card that wireless module links to each other in.The user can be by reading short message to the visit of wireless GSM/GPRS module 11 or SIM card.
Process dials up on the telephone:
The user sends the network insertion request, and wireless GSM/GPRS module 11 sends to network provider with user's request, sets up a data link subsequently between user and network.After data link was set up, the user got final product browsing page.
Figure 3 shows that the indication icon of various modes of operation.As shown in the figure, symbol 21 expression phones are in holding state, but do not receive signal; Symbol 22 expression phones are in holding state, can receive signal; Symbol 23 expressions are conversed, and click this icon and can call back from other programs switchings rapidly; Symbol 24 expression phones are closed; Symbol 25 expression phone settings are the calling transfer state; Symbol 26 expression wireless devices are set to the data, services state.Above-mentioned all kinds of icon can change accordingly with the difference of all kinds of modes of operation.
In addition, also be provided with indicator light on the wireless device, can indicate different operating states and charged state.For example, when battery electric quantity was not enough, indicator light showed " electric weight deficiency ".
Press " OFF " button on the wireless device, promptly close this wireless device.
Switching circuit on the above-mentioned wireless device also can be connected to portable terminal device, realizes the switch of wireless device is controlled by the switch of portable terminal device, also can realize the control to the wireless device switch by the form of software.
By the present invention, can satisfy that the user receives and dispatches E-mail, browsing internet, voice communication on PDA and portable radio terminal, the demand of function such as send SMS message, when not losing the mobile phone flexibility, provide convenience for user's mobile office.
Claims (11)
1. wireless device with portable terminal device interconnection comprises that one and wireless network carry out the wireless GSM/GPRS module of voice, signaling, data transmission and processing, is characterized in that this wireless device also comprises:
A power end is used to obtain electric energy, gives wireless GSM/GPRS module for power supply;
An interface circuit links to each other with wireless GSM/GPRS module, be used for and portable terminal device between carry out the transmission of voice, signaling, data; After described power end is connected, described interface circuit sends the initializing signal that described portable terminal device is used to carry out network registry institute foundation, notify described portable terminal device behind network registry, to load DLL by this initializing signal, produce the virtual unit end and call with wait;
A radio-frequency module links to each other with wireless GSM/GPRS module, is used for carrying out between wireless GSM/GPRS module and the wireless network reception and the transmission of radiofrequency signal;
An audio-frequency module is used for transmitting audio signal.
2. wireless device as claimed in claim 1 is characterized in that, described power end comprises a supply module and a charging module.
3. wireless device as claimed in claim 2 is characterized in that, wireless device is by power autonomous or adaptive power supply power supply.
4. wireless device as claimed in claim 1 is characterized in that audio signal transfers to portable terminal device by interface circuit.
5. wireless device as claimed in claim 1 is characterized in that, is plugged with earphone and microphone on the audio-frequency module.
6. wireless device as claimed in claim 1 is characterized in that audio-frequency module is provided with microphone and receiver.
7. wireless device as claimed in claim 1 is characterized in that, is connected with antenna on the radio-frequency module.
8. wireless device as claimed in claim 1 is characterized in that, wireless device also comprises a sim card connector that links to each other with wireless GSM/GPRS module.
9. wireless device as claimed in claim 1 is characterized in that, wireless device also is provided with a switch, is used to control the switch of wireless device.
10. as any described wireless device of claim 1 to 9, it is characterized in that the switching circuit of wireless device is connected to portable terminal device.
11. wireless device as claimed in claim 1 is characterized in that, wireless device also is provided with the indicator light of a display working condition and charged state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031002625A CN100490485C (en) | 2003-01-07 | 2003-01-07 | Wireless device interconnected with portable terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031002625A CN100490485C (en) | 2003-01-07 | 2003-01-07 | Wireless device interconnected with portable terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1516431A CN1516431A (en) | 2004-07-28 |
| CN100490485C true CN100490485C (en) | 2009-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031002625A Expired - Fee Related CN100490485C (en) | 2003-01-07 | 2003-01-07 | Wireless device interconnected with portable terminal |
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| Country | Link |
|---|---|
| CN (1) | CN100490485C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1992611B (en) | 2005-12-30 | 2010-05-12 | 联想(北京)有限公司 | Mobile computing device and method for receiving data packet thereof |
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2003
- 2003-01-07 CN CNB031002625A patent/CN100490485C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
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| CN1516431A (en) | 2004-07-28 |
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| ASS | Succession or assignment of patent right |
Owner name: LIANXIANG (BEIJING) CO. LTD.; APPLICANT Free format text: FORMER OWNER: LIANXIANG (BEIJING) CO. LTD. Effective date: 20081017 |
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Effective date of registration: 20081017 Address after: No. 6, Pioneer Road, Haidian District information industry base, Beijing, China: 100085 Applicant after: Lenovo (Beijing) Co., Ltd. Co-applicant after: Lenovo Mobile Communication Technology Ltd. Address before: No. 6, Pioneer Road, Haidian District information industry base, Beijing, China: 100085 Applicant before: Lenovo (Beijing) Co., Ltd. |
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Granted publication date: 20090520 Termination date: 20210107 |
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| CF01 | Termination of patent right due to non-payment of annual fee |