CN1272719C - Electronic peripheral units and network cards - Google Patents
Electronic peripheral units and network cards Download PDFInfo
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- CN1272719C CN1272719C CN 03123225 CN03123225A CN1272719C CN 1272719 C CN1272719 C CN 1272719C CN 03123225 CN03123225 CN 03123225 CN 03123225 A CN03123225 A CN 03123225A CN 1272719 C CN1272719 C CN 1272719C
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Abstract
The present invention relates to an electronic peripheral device which makes an electronic system selectively connected to a first wireless network and a second wireless network. The present invention comprises a first system module and a second system module, wherein the first system module makes the electronic system capable of visiting the first wireless network and comprises at least a first interface; the second system module makes the electronic system capable of visiting the second wireless network and comprises at least a second interface, a third interface and a processing device, wherein the second interface is connected with the first interface and transmits signals between the first system module and the second system module; the third interface is used for connecting the electronic system, and a plurality of first wireless network system signals and second wireless network system signals can be transmitted between the third interface and the electronic system; the processing device controls transmission signals of the electronic system, and the transmission signals pass through the third interface. When the electronic system is connected with the first wireless network, the first system module transmits/receives a plurality of first wireless network system signal through the second interface and the third interface; when the electronic system is connected with the second wireless network, the second system module and the third interface transmit/receive a plurality of second wireless network system signals.
Description
Technical field
The relevant a kind of electronic installation of the present invention particularly proposes a kind of electronics peripheral unit, can make the electronic system that links to each other with it can use same interface, optionally is connected to two different wireless networks.
Background technology
In recent years, radio network technique constantly develops, new radio access and wireless network standards also constantly are formulated out, believe the future soon, to have different wireless communication systems in same environment, it supports the different networks standard so that the user to be provided different wireless transmission services.Different radio access network has different character, senior (high-tier) wireless network, for example comprehensive GPRS (General Packet Radio Service, GPRS) network etc. has lower transmitting bandwidth (bandwidth) and preferable movability (mobility); And rudimentary (low-tier) wireless network example, as: (Wireless LAN WLAN) etc., then provides the higher transmission frequency range to WLAN (wireless local area network), but it has relatively poor movability (mobility).The user can utilize electronics peripheral unit such as network card etc. according to the demand of oneself, with electronic system as: personal computer, mobile computer or portable electronic equipment etc. connect suitable wireless network.In addition, in order to increase user's convenience, much can support two manufactured to the electronics peripheral unit of a plurality of wireless network standards, its can make electronic system as: personal computer, mobile computer or portable electronic equipment etc. optionally are connected to different wireless networks.
Fig. 1 is the structural drawing of the network card of known comprehensive GPRS and WLAN (wireless local area network).As shown in the figure, network card utilizes (the Personal ComputerMemory Card International Association of personal computer memory card international federation, hereinafter referred PCMCIA) interface 140 and electronic system are as personal computer, (not shown) such as mobile computer or portable electronic equipment links to each other, this network card utilizes WLAN (wireless local area network) (Wireless LAN, hereinafter referred WLAN) module 110 visited WLAN network (not shown), in addition, the comprehensive GPRS of this network card utilization (GeneralPacket Radio Service, hereinafter referred GPRS) mixed-media network modules mixed-media 120 visit GPRS network (not shown).Pass through data bus 160 transmitting/receiving signals between WLAN module 110 and GPRS module 120 and the pcmcia interface 140.
PCMCIA bridge-set 112,122 is connected to control chip 130 and is connected with WLAN module 110, GPRS module 120 respectively, PCMCIA bridge- set 112 and 122 is used for and will converts the PCMCIA signal to from WLAN module 110, GPRS module 120 signaling interfaces, for example: when electronic system need be connected with wlan network, control chip control GPRS module 120 makes its signal can't help data bus 160 transmission, and makes WLAN module 110 by bus 160 transmitting/receiving signals; When electronic system need be connected with GPRS network, control chip control WLAN module 110 stops to data bus 160 transmission its signal, and make GPRS module 120 by bus 160 transmitting/receiving signals, therefore must use PCMCIA bridge-set 112,122 and control chip 130, waste a large amount of spaces and increased the cost that network card constitutes.
In addition, on the development and Design to the software of this network card correspondence, the application program that need write the application program of GPRS and WLAN respectively to the interface of PCMCIA is with binder couse (link layer) and the Physical layer (physical layer) of corresponding GPRS and WLAN respectively, therefore can increase the time of software development, switch the application program of GPRS and the application program of WLAN by control chip 130 in addition, this parallel structure needs to design extra interruption (interrupt) and controls the software use of switching WLAN and GPRS on software design, can increase more complicacy to writing of software.
Summary of the invention
In view of this, so fundamental purpose of the present invention is to propose a kind of electronics peripheral unit, it does not need additionally to increase bridging chip and control chip, and can make the electronic system that links to each other with it can optionally be connected to different wireless networks, reduce hardware space with this, constitute cost significantly to reduce hardware.
Another object of the present invention is to propose a kind of electronics peripheral unit, its with different wireless network modules via USB (universal serial bus) (Universal Serial Bus, USB) interface or universal asynchronous reception and transmitter (Universal Asynchronous Receiver/Transmitter, UART) interface synthesis, via the comprehensive serial connection of hardware, and then reduce the cost that the pairing software development of electronics peripheral unit designs.
For reaching above-mentioned purpose, the present invention proposes a kind of network card, in order to connect electronic system, makes electronic system optionally be connected to first wireless network and second wireless network, and it comprises first system module and second system module.First system module is with so that electronic system can be visited first wireless network, and it comprises first interface at least.Second system module is with so that electronic system can be visited second wireless network, and it comprises second interface, the 3rd interface and treating apparatus at least.Second interface is connected to first interface, in order to transmit signal between first system module and second system module.The 3rd interface is in order to link to each other with electronic system, by transmitting a plurality of first Radio Network System signals or a plurality of second Radio Network System signal between the 3rd interface and the electronic system.Treating apparatus is in order to the transmission signals of control electronic system by the 3rd interface, when electronic system connects first wireless network, first system module is via second interface and a plurality of first Radio Network System signals of the 3rd interface transmission, when electronic system connects second wireless network, a plurality of second Radio Network System signals of second system module and the 3rd interface transmission.
Wherein first wireless network can be comprehensive GPRS (General Packet RadioService) network or global system for mobile communications (Global System for MobileCommunication).Second wireless network is WLAN (wireless local area network) (Wireless LAN).
For above-mentioned and other purposes of the present invention, feature and advantage can be become apparent, embodiment cited below particularly, and conjunction with figs. are described in detail as follows:
Description of drawings
Fig. 1 is the known structural drawing that can optionally be connected to the network card of comprehensive GPRS and WLAN (wireless local area network).
Fig. 2 is the structural drawing that electronics peripheral unit of the present invention reaches the electronic system that links to each other with it.
Fig. 3 is the structural drawing that the electronics peripheral unit of the embodiment of the invention reaches the electronic system that links to each other with it.
Fig. 4 is the structural drawing that the network card of the embodiment of the invention reaches the electronic system that links to each other with it.
Symbol description
110,310,410～WLAN module; 120,320,420～GPRS module;
130～control chip; 140～pcmcia interface;
150～control bus; 160～data bus;
112,122～PCMCIA bridge-set; 200,300～electronics peripheral unit;
210～the second system modules; 212～the second interfaces;
214～the 3rd interfaces; 220～the first system modules;
222～the first interfaces; 400～network card;
312,314,322,332,412,414,422,432～interface;
216,316,416～treating apparatus; 330,430～electronic system;
418～WLAN antenna; 424～GPRS antenna;
442～voice output port.
Embodiment
Head of the present invention takes off a kind of electronics peripheral unit, and it does not need additionally to increase bridge-set, and can make the electronic system that links to each other with it can optionally be connected to different wireless networks.With reference to figure 2, Fig. 2 is the structural drawing that electronics peripheral unit of the present invention reaches the electronic system that links to each other with it.As shown in the figure, electronics peripheral unit 200 connects electronic system 230, and by electronics peripheral unit 200, electronic system 230 can optionally be connected to the first wireless network (not shown) and the second wireless network (not shown).Electronics peripheral unit 200 comprises first system module 220 and second system module 210, and by first system module 220, electronic system 230 can be visited first wireless network; By second system module 210, electronic system 230 can be visited second wireless network.First system module 220 comprises that first interface, 222, the second system modules 210 comprise second interface 212, the 3rd interface 214 and treating apparatus 216.Second interface 212 is connected to first interface 222, by transmitting signal between second interface, 212, the first system modules 220 and second system module 210.The 3rd interface 214 links to each other with electronic system 230, can transmit the first Radio Network System signal or the second Radio Network System signal between the interface 232 by the 3rd interface 214, the second system modules 210 and electronic system 230.Treating apparatus 216 is in order to the transmission signals of control electronic system 210 by the 3rd interface.
Hereinafter will be that example describes the present invention in detail with the electronics peripheral unit that is connected to comprehensive GPRS and two kinds of wireless networks of WLAN (wireless local area network).
Fig. 3 is the structural drawing that the electronics peripheral unit of the embodiment of the invention reaches the electronic system that links to each other with it.As shown in the figure, electronics peripheral unit 300 comprises WLAN (wireless local area network) (Wireless Local Area Network, hereinafter referred WLAN) module 310 and comprehensive GPRS (General Packet RadioService, hereinafter referred GPRS) mixed-media network modules mixed-media 320, electronics peripheral unit 300 can be connected to as: electronic systems 330 such as personal computer, mobile computer or portable electronic equipment make electronic system 330 can optionally be connected to WALN network (not shown) and GPRS network (not shown).
Electronics peripheral unit of the present invention can be network connections devices such as network card, hereinafter with so that electronic system can optionally be connected to the network card of comprehensive GPRS and WLAN (wireless local area network) is example explanation another embodiment of the present invention.
Fig. 4 is the structural drawing that the network card of the embodiment of the invention reaches the electronic system that links to each other with it.As shown in the figure, network card 400 comprises WLAN (wireless local area network) (Wireless LAN, hereinafter referred WLAN) module 410, comprehensive GPRS (General Packet Radio Service, hereinafter referred GPRS) mixed-media network modules mixed-media 420, GPRS antenna 424, WLAN antenna 418 and voice output port 442.Network card 400 can be connected to as: electronic systems 430 such as personal computer, mobile computer or portable electronic equipment make electronic system 430 optionally be connected to WALN network (not shown) or to be connected to the GPRS network (not shown) by GPRS antenna 424 by WLAN antenna 418.
Having a voice output port 440 on network card 400 can externally be connected to devices such as Handless in addition, carries out voice call function from GPRS network or WALN network.In addition, in the present invention, can utilize the treating apparatus in the WLAN module 410 to control GPRS module 420 in addition, therefore, when the GPRS module need be upgraded a piece of wood serving as a brake to halt a carriage body, also can download required data by voice output port 442.
It is the chip realization of ZD1201 that WLAN module 410 can be utilized the made model of ZyXEL Communications Corporation (ZyDAS), when WLAN module 410 for this reason during chips, be personal computer memory card international federation (PCMCIA) interface in order to the interface 414 that links to each other with electronic system 430.
In addition, on the development and Design of software, the application program that no longer needs to write respectively the application program of GPRS and WLAN is with the binder couse (link layer) of corresponding GPRS and WLAN respectively, because in the present invention, utilize the treating apparatus in the WLAN module 410 to control GPRS module 420, therefore only get final product at the application program superstructure of WLAN binder couse, can lower the complexity that software is write with corresponding GPRS.
In sum, electronics peripheral unit of the present invention, it does not need additionally to increase bridging chip and control chip, and can make the electronic system that links to each other with it can optionally be connected to different wireless networks, reduce hardware space with this, reach and significantly reduce the purpose that hardware constitutes cost, and comprehensive via hardware, and then reach the purpose that reduces the pairing software development design cost of electronics peripheral unit.
Though the present invention with preferred embodiment openly as above; right its is not in order to limit the present invention; any those skilled in the art; under the situation that does not break away from the spirit and scope of the present invention; can change and modification, so protection scope of the present invention is as the criterion with the claim restricted portion that is proposed.
Claims (10)
1. a network card is used to connect an electronic system, makes this electronic system optionally be connected to one first wireless network and second wireless network, and this network card comprises:
One first system module, in order to visit one first wireless network, it comprises one first interface at least; And
One second system module, in order to visit one second wireless network, it comprises at least:
One second interface, this second interface is connected to this first interface, and is used between this first system module and this second system module and transmits signal;
One the 3rd interface is in order to link to each other with this electronic system, by transmitting a plurality of first Radio Network System signals or a plurality of second Radio Network System signal between the 3rd interface and this electronic system; And
One treating apparatus, in order to control the transmission signals of this electronic system by the 3rd interface, when this electronic system connects this first wireless network, this first system module is via this second interface and a plurality of first Radio Network System signals of the 3rd interface transmission, when this electronic system connects this second wireless network, a plurality of second Radio Network System signals of this second system module and the 3rd interface transmission.
2. network card as claimed in claim 1, wherein this first wireless network is a comprehensive GPRS network.
3. network card as claimed in claim 1, wherein this first wireless network is a global system for mobile communications.
4. network card as claimed in claim 1, wherein this second wireless network is a WLAN (wireless local area network).
5. network card as claimed in claim 1, wherein this first interface and this second interface are a USB (universal serial bus).
6. network card as claimed in claim 1, wherein this first interface and this second interface are a universal asynchronous reception and a sender interface.
7. network card as claimed in claim 1, wherein the 3rd interface is a personal computer memory card international federation interface.
8. network card as claimed in claim 1, wherein the 3rd interface is a peripheral component interconnect interface.
9. network card as claimed in claim 1, wherein the 3rd interface is a CardBus interface.
10. a network card in order to connect an external tapping of an electronic system, makes this electronic system optionally be connected to one first wireless network and one second wireless network, and this network card comprises:
One first wireless module is in order to visit this first wireless network;
One second wireless module, in order to visit this second wireless network, this second wireless module connects this first wireless module, and it comprises at least:
One connecting interface is in order to connect this connection external tapping of this electronic system;
One treating apparatus, in order to switch this electronic system to the wireless data transmission between this first wireless module and this second wireless module, when this electronic system is selected to connect this first wireless network, this treating apparatus is controlled a plurality of first wireless network datas via this second wireless module transmission between this electronic system and this first wireless module, when this electronic system was selected to connect this second wireless network, this treating apparatus was controlled direct and a plurality of second wireless network datas of this second wireless module transmission of this electronic system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03123225 CN1272719C (en) | 2003-04-22 | 2003-04-22 | Electronic peripheral units and network cards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03123225 CN1272719C (en) | 2003-04-22 | 2003-04-22 | Electronic peripheral units and network cards |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1540535A CN1540535A (en) | 2004-10-27 |
| CN1272719C true CN1272719C (en) | 2006-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03123225 Expired - Fee Related CN1272719C (en) | 2003-04-22 | 2003-04-22 | Electronic peripheral units and network cards |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1272719C (en) |
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2003
- 2003-04-22 CN CN 03123225 patent/CN1272719C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1540535A (en) | 2004-10-27 |
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Granted publication date: 20060830 |