CN1262102C - Radio communicator matched with portable computer - Google Patents
Radio communicator matched with portable computer Download PDFInfo
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- CN1262102C CN1262102C CN 02125530 CN02125530A CN1262102C CN 1262102 C CN1262102 C CN 1262102C CN 02125530 CN02125530 CN 02125530 CN 02125530 A CN02125530 A CN 02125530A CN 1262102 C CN1262102 C CN 1262102C
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- gsm
- wireless module
- portable computer
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- gprs
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Abstract
The present invention relates to a radio communicator matched with a portable computer, which can simultaneously meet mobile office requirements of speech communication, short message sending and receiving and net surfing. The present invention mainly comprises an interface converting circuit, a microcontroller circuit unit, a GSM/GPRS wireless module and an audio circuit, wherein the GSM/GPRS wireless module is used for treating voice, signaling and data transmission to realize radio communication between the portable computer and a GSM/GPRS network side. The microcontroller circuit unit is respectively connected with the interface converting circuit and the GSM/GPRS wireless module to initialize the interface converting circuit, control the state transition of the interface converting circuit and control the powering of the GSM/GPRS wireless module. The conversion of standard interface signals and serial interface signals between the portable computer and the GSM/GPRS wireless module is realized by the interface converting circuit. The audio circuit is connected with the GSM/GPRS wireless module to realize the input and the output of voice signals of the GSM/GPRS wireless module. The advantage of convenient information input and treatment of the portable computer is full used by the present invention, a GPRS technology is introduced, and thus, net surfing speed can also be greatly enhanced.
Description
Technical field
The present invention relates to a kind of radio communication device, especially a kind of radio communication device that can carry out mobile communication and wireless access as required at any time is used with portable computer, has voice communication, transmitting-receiving note and function of surfing the Net.
Background technology
At present, along with the digitlization of global businesses, increasing business user requires to realize mobile office, and notebook computer has obtained more and more general use with its portable main feature.These business users not only need to obtain to connect the service of making a phone call, sending traditional gsm services such as note, and wish to carry out data communication whenever and wherever possible, as transmitting-receiving E-mail, browsing internet etc.
The function of common wireless communications device is incomplete to mobile office, can not satisfy mobile office user's demand.
The radio communication device that more known mobile offices are used, as the WAP mobile phone, though have the function of making a phone call, sending short messages and surfing the Net, but screen is too little, input character is very inconvenient when sending note, and its function of surfing the Net is very limited, can not satisfy the growing online demand of people, can not extravagantly hope that more conduct mobile office equipment truly uses.
A large amount of at present GSM mobile handset of using can be used as wireless modem and use, and mobile phone is connected on the computer just can surfs the Net, but according to the gsm protocol regulation, the GSM mobile handset speed of surfing the Internet only is 9.6kbps.Networking speed causes cost rising etc. too slowly, has then hindered their application and development.
The wireless access device of wireless LAN card one class, be connected with notebook computer, though can speed up Web searches, but this network access is subjected to the site limitation of surfing the Net, if there is not WAP (wireless access point) (can change over to wired again by it) closely, then can not solve the problem of online whenever and wherever possible, in addition, this wireless LAN card does not possess voice communication yet and sends the function of note, in the time of can't satisfying people and realize mobile office to the demand of communication.
Summary of the invention
The objective of the invention is to design a kind of radio communication device that is used with portable computer, to overcome the deficiency of existing wireless communications device, the user uses portable computer and utilizes radio communication device provided by the invention, can not only carry out voice communication, can utilize simultaneously advantages such as the input of portable computer information is convenient, processing capacity is powerful to send SMS message, improve the speed that sends SMS message, also can utilize this radio communication device to use simultaneously as wireless modulator-demodulator, can realize surfing the Net whenever and wherever possible, and networking speed is very fast.
The technical scheme that realizes the object of the invention is such: a kind of radio communication device that is used with portable computer is characterized in that comprising:
Interface conversion circuit, microcontroller circuit unit, GSM/GPRS wireless module and voicefrequency circuit;
The GSM/GPRS wireless module is used for the processing of voice, signaling and transfer of data, realizes the radio communication between portable computer and GSM/GPRS network side; The microcontroller circuit unit respectively by bus connecting interface change-over circuit be connected described GSM/GPRS wireless module by power line, microcontroller circuit unit docking port change-over circuit carries out the state exchange of initialization and control interface change-over circuit and control powering up of GSM/GPRS wireless module when the GSM/GPRS wireless module needs work; Interface conversion circuit connects the GSM/GPRS wireless module by universal serial bus, the conversion between realization portable computer and GSM/GPRS wireless module between standard interface signal and serial line interface signal; Voicefrequency circuit is connected with the GSM/GPRS wireless module, realizes the input and the output of GSM/GPRS wireless module voice signal.
Radio communication device provided by the present invention is incorporated into GSM (global system for mobile communications) technology and GPRS (GPRS) technology on the portable computer, in fact forms a kind of multimodal wireless communication card.This radio communication device can provide the Internet of online at any time to insert data, services and voice communication, Short Message Service etc. in GPRS, the GSM area of coverage.
The invention has the beneficial effects as follows to satisfy and on portable computer, carry out E-mail transmitting-receiving, browsing internet simultaneously, connect the function of making a phone call and receiving and dispatching short message, provide a kind of base apparatus for the user realizes convenient and reliable mobile office.
The radio communication device that is used with portable computer of the present invention, be engaged on the portable computers such as notebook computer, PDA, can realize the requirement of mobile office to voice communication, transmitting-receiving short message and (GPRS, the GSM area of coverage) online whenever and wherever possible etc., by the GPRS technology is introduced radio communication device, utilize this radio communication device as wireless modulator-demodulator, the speed of getting online without being tethered to a cable can be brought up to 171.2kbps theoretically, improve speed of surfing the Internet greatly, realize high speed Internet access.
Description of drawings
Fig. 1 is the principle structure block diagram of the radio communication device that is used of of the present invention and portable computer;
Fig. 2 is the wireless GSM/GPRS pcmcia card of a formed Type II PCMCIA type structured flowchart when being used with the notebook computer with pcmcia interface of the present invention;
Fig. 3 is the side-looking structural representation of the wireless GSM/GPRS pcmcia card of Type II PCMCIA type;
Fig. 4 is embodiment illustrated in fig. 3 and the notebook computer application structure schematic diagram when being used.
Embodiment
Referring to Fig. 1, the technical solution adopted for the present invention to solve the technical problems shown in the figure.Radio communication device 1 of the present invention is split settings with portable computer 2, adopts standard interface each other, connects as PCMCIA, CF interface etc.Radio communication device 1 mainly comprises: voicefrequency circuit 12, standard interface and serial line interface signaling conversion circuit 13 and the microcontroller circuit unit 14 of GSM/GPRS wireless module 11, band microphone (MIC) and loud speaker (SPK).
GSM/GPRS wireless module 11 is formed (band antenna assembly) by GSM/GPRS protocol stack, baseband processor and radio circuit, finishes the processing to voice, signaling, transfer of data, and the external interface of module is the RS232 serial line interface.By wireless GSM/GPRS module, instruction and the data that the user assigns by portable computer main frame 2 can be sent to the GSM/GPRS network side, also can receive from the data of GSM/GPRS network side and pass to the portable computer main frame user.Attached voicefrequency circuit 12 comprises phonetic entry and output circuit, is used to guarantee the realization of function of voice communication.
Standard interface and serial line interface signaling conversion circuit 13 are the communication interfaces between radio communication device and portable computer.Portable computer all disposes standard interface at present, as PCMCIA, CF interface etc., the instruction that the user sends is sent to interface circuit 13 by the interface slot of portable computer 2, interface circuit 13 is realized the conversion of standard interface signal to the RS232 interface, with instruction transformation is the signal that GSM/GPRS wireless module 11 can be discerned, and this signal meets the RS232 standard.Interface circuit 13 is also directly introduced the power supply of power supply as radio communication device from the slot of portable computer 2.
The logic control of radio communication device 1 inside is finished in microcontroller circuit unit 14, and the state exchange, control that mainly comprises the initialization of docking port change-over circuit 13 and control interface change-over circuit 13 powering up and the particularly electricity consumption situation of working condition of GSM/GPRS wireless module 11 is detected in real time GSM/GPRS wireless module 11.
As shown in FIG., interface conversion circuit 13 and microcontroller circuit unit 14 link to each other by bus, and bus comprises data/address bus, address bus and control bus.By bus, realize the information interaction of 14 of interface conversion circuit 13 and microcontroller circuit unit.Information in the bus has the initialization directive of microcontroller circuit unit 14 docking port change-over circuits 13, the mode set command and the microcontroller circuit unit 14 of microcontroller circuit unit 14 docking port change-over circuits 13 to read for information about from interface conversion circuit 13.
As shown in FIG., interface conversion circuit 13 is connected by the RS232 serial port with GSM/GPRS wireless module 11.The data message that has data message that information that control command information that the user sends to GSM/GPRS wireless module 11 and GSM/GPRS wireless module 11 return, user sends to GSM/GPRS wireless module 11 and GSM/GPRS wireless module 11 to receive in the RS232 universal serial bus from the GSM/GPRS network side.
As shown in FIG., microcontroller circuit unit 14 and GSM/GPRS wireless module 11 are connected by control signal wire.Because the power consumption of wireless GSM/GPRS module is bigger,, only when needing work, wireless GSM/GPRS module just it is powered up usually for saving the electric energy of portable computer main frame.When wireless GSM/GPRS module needs work, send the instruction that powers up that excites wireless GSM/GPRS module, makes it work by portable computer main frame 2 to microcontroller circuit unit 14 by interface conversion circuit 13, microcontroller circuit unit 14 control signal wires are set to effective status, output adds electric pulse, thereby just GSM/GPRS wireless module 11 powers up.And profit is in the same way to 11 times electric control of wireless GSM/GPRS module.
Radio communication device 1 cooperates portable computer to finish voice communication course among the figure, comprises the two kinds of processes of answering the call and make a phone call, and it is described respectively below.
The process of answering the call: GSM/GPRS wireless module 11 receives the ring index signal from the GSM/GPRS network side, send the ring index signal to interface conversion circuit 13 by the RS232 bus, interface conversion circuit 13 is a portable computer standard interface signal with serial RS232 conversion of signals, again the standard interface signal is sent to portable computer 2, supply user's this call request by oneself.If the user agrees this call request, the user sends the instruction of agreeing conversation, this instruction sends GSM/GPRS wireless module 11 to by interface conversion circuit 13, be responsible for setting up a voice link that communicates with calling party by GSM/GPRS wireless module 11, the user just can carry out voice call with calling party by the microphone and the earphone of voicefrequency circuit 12.
The process of making a phone call, the user operates portable computer request and called party's conversation, request conversation instruction sends GSM/GPRS wireless module 11 to by interface conversion circuit 13, GSM/GPRS wireless module 11 sends to the GSM/GPRS network with user's request, when the called party replys, set up a voice link between calling party and called party, the user just can carry out voice call with the called party by the microphone and the earphone of voicefrequency circuit 12.
Radio communication device 1 cooperates portable computer 2 to carry out the process of short message receiving-transmitting among the figure: when sending note, the user operates portable computer main frame 2 and makes note, short message sends on the GSM/GPRS wireless module 11 by interface conversion circuit 13, by GSM/GPRS wireless module 11 short message content is sent to short message service center.When receiving short message, the short message that GSM/GPRS wireless module 11 receives from the GSM/GPRS network side, and be stored in the GSM/GPRS wireless module or in the SIM card.The user reads short message stored by operation portable computer main frame 2 visit GSM/GPRS wireless module 11 or SIM card, and this short message displays is on portable computer main frame.
The process that radio communication device 1 cooperates portable computer 2 to dial up on the telephone among the figure: the user operates portable computer main frame 2 and sends the network insertion request instruction, this network insertion request instruction sends GSM/GPRS wireless module 11 to by interface conversion circuit 13, by GSM/GPRS wireless module 11 user's request is sent to network provider again, between user and network, set up a data link subsequently.The user just can utilize the explorer online by this data link.
Referring to Fig. 2, technical scheme of the present invention is applied on the Type II type pcmcia card, form the wireless GSM/GPRS pcmcia card 21 of Type II type, mainly comprise microprocessor and accessory circuit 214 thereof, wireless GSM/GPRS module 211, the voicefrequency circuit 212 that comprises microphone and loud speaker and PCMCIA signal and serial RS232 signaling interface conversion chip 213.This embodiment can be used for having on the notebook computer 22 of Type II PCMCIA slot.
As shown in FIG., interface conversion circuit 213 satisfies signaling interface and the conversion between Standard PC MCIA signal and the serial RS232 signal.
As shown in FIG., microcontroller circuit unit 214 by microprocessor (CPU) and corresponding auxiliary circuit such as memory, have boost, the power circuit of voltage stabilizing function forms, control logic is finished by CPU, logic control instruction is stored in the memory.
The course of work of the wireless GSM/GPRS pcmcia card 21 of above-mentioned Type II type is: when wireless GSM/GPRSPCMCIA card 21 inserts in the PCMCIA slot of notebook computers 22, the power supply of drawing from the PCMCIA slot powers on pcmcia card 21, after the microprocessor of microcontroller circuit unit 214 (CPU) detects pcmcia card 21 and has inserted in the PCMCIA slot, microprocessor (CPU) at first docking port conversion chip 213 carries out the initialization setting, but makes the interface circuit operate as normal.Microprocessor (CPU) sends to wireless GSM/GPRS module 211 and adds electric pulse then, and wireless GSM/GPRS module 211 is powered up, and the wireless GSM/GPRS module after powering up enters normal operating conditions.The user by this host computer of Operational Note 22 just can surf the Net, voice communication and the transmitting-receiving short message.
Referring to Fig. 3, the side-looking structure of the wireless GSM/GPRS pcmcia card 21 of the II of Type shown in figure type mainly comprises flat main part 31, antenna part 32 and microphone, earphone jack 33.Antenna part 32 is arranged on main part 31 1 sides and links with 31 one-tenth axles of main part.Last figure is that antenna part 32 is opened and rotated to and 31 one-tenth vertical positions of GSM/GPRS pcmcia card main part, also can adjust the angle of 31 of antenna part 32 and GSM/GPRS pcmcia card main parts as required, to select best received signal.Figure below then is that antenna part 32 rotates to the position that merges with 31 one-tenth levels of GSM/GPRS pcmcia card main part.Microphone, earphone jack 33 are arranged on the side of main part 31, are convenient to the user and disconnect.
Fig. 4, the wireless GSM/GPRS pcmcia card of the II of Type shown in figure type is engaged in the user mode on the notebook computer.GSM/GPRS pcmcia card 31 is inserted in the PCMCIA slot of notebook computer, shown in arrow among the figure, take a Type II type slot, simultaneously antenna part 32 is rotated to the upright position, shown in arrow among the figure.
Technical scheme of the present invention for the portable computer user provide a kind of can be as required whenever and wherever possible (GPRS, the GSM area of coverage) carries out the radio communication device of mobile communication and wireless access, can fill part utilization just The characteristics such as it is convenient to take formula computer input message, process information, and powerful and memory capacity is big, not only simultaneously Possess voice communication and receive and dispatch the function of short message and online, and make networking speed because having introduced the GPRS technology More existingly greatly improve with class methods.
Claims (5)
1. radio communication device that is used with portable computer is characterized in that comprising:
Interface conversion circuit, microcontroller circuit unit, GSM/GPRS wireless module and voicefrequency circuit;
The GSM/GPRS wireless module is used for the processing of voice, signaling and transfer of data, realizes the radio communication between portable computer and GSM/GPRS network side; The microcontroller circuit unit respectively by bus connecting interface change-over circuit with activate line by power supply and be connected described GSM/GPRS wireless module, microcontroller circuit unit docking port change-over circuit carries out the state exchange of initialization and control interface change-over circuit and control powering up of GSM/GPRS wireless module when the GSM/GPRS wireless module needs work; Interface conversion circuit connects the GSM/GPRS wireless module by universal serial bus, the conversion between realization portable computer and GSM/GPRS wireless module between standard interface signal and serial line interface signal; Voicefrequency circuit is connected with the GSM/GPRS wireless module, realizes the input and the output of GSM/GPRS wireless module voice signal.
2. a kind of radio communication device that is used with portable computer according to claim 1 is characterized in that: described interface conversion circuit is a conversion of signals chip of realizing Standard PC MCIA signal or CF signal and serial RS232 signal interface.
3. a kind of radio communication device that is used with portable computer according to claim 1, it is characterized in that: described interface conversion circuit is provided with power connector end, is connected with the power end of described portable computer slot and is connected with the power supply end of radio communication device.
4. a kind of radio communication device that is used with portable computer according to claim 1, it is characterized in that: the described radio communication device that is used with portable computer is a plug-in card, form by flat body part and antenna part, antenna part and body split axle link, and are positioned at body part one side.
5. a kind of radio communication device that is used with portable computer according to claim 4, it is characterized in that: the flat body part of described plug-in card is provided with microphone, earphone jack, and described microphone, earphone connect described voicefrequency circuit by microphone, earphone jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02125530 CN1262102C (en) | 2002-07-18 | 2002-07-18 | Radio communicator matched with portable computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02125530 CN1262102C (en) | 2002-07-18 | 2002-07-18 | Radio communicator matched with portable computer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1469623A CN1469623A (en) | 2004-01-21 |
| CN1262102C true CN1262102C (en) | 2006-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02125530 Expired - Fee Related CN1262102C (en) | 2002-07-18 | 2002-07-18 | Radio communicator matched with portable computer |
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| Country | Link |
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| CN (1) | CN1262102C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1331036C (en) * | 2004-04-19 | 2007-08-08 | 联想(北京)有限公司 | Method for data storage by a mobile terminal and mobile terminal storage device |
| CN101197886B (en) * | 2006-12-06 | 2010-05-19 | 北京五岳鑫信息技术股份有限公司 | Novel analog voice card with wireless communication network access function |
| WO2009086701A1 (en) * | 2008-01-08 | 2009-07-16 | Clevo Co. | A notebook computer with the mobile communication function |
| CN102789554B (en) * | 2011-05-17 | 2016-02-17 | 长沙融森高新技术开发有限公司 | A kind of computer location and data protecting device |
| CN102413193A (en) * | 2011-11-01 | 2012-04-11 | 上海资和通信科技有限公司 | Personal computer/personal digital assistant (PC/PDA)-based personal computer memory card international association (PCMCIA) transformed 433M wireless communication interface module |
| CN103582177A (en) * | 2012-07-19 | 2014-02-12 | 中兴通讯股份有限公司 | Spread communication device, spread communication system, spread communication method, application proxy device and application proxy method |
| CN111273665A (en) * | 2020-02-12 | 2020-06-12 | 北京海益同展信息科技有限公司 | Inspection robot, wind speed measuring system and wind speed measuring method |
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2002
- 2002-07-18 CN CN 02125530 patent/CN1262102C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1469623A (en) | 2004-01-21 |
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Effective date of registration: 20170510 Address after: 100055 Beijing, Guang'an, No. 305 Xicheng District street, No. two, building 10, floor 9, floor 1112 Patentee after: New venture (Beijing) Consulting Service Co., Ltd. Address before: 100085 Beijing on the road to entrepreneurship, No. 6 Haidian District Patentee before: Lenovo (Beijing) Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060628 Termination date: 20170718 |