CN1271538C - Mobile computer equipment and switching method for its network connection - Google Patents

Mobile computer equipment and switching method for its network connection Download PDF

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Publication number
CN1271538C
CN1271538C CNB021520054A CN02152005A CN1271538C CN 1271538 C CN1271538 C CN 1271538C CN B021520054 A CNB021520054 A CN B021520054A CN 02152005 A CN02152005 A CN 02152005A CN 1271538 C CN1271538 C CN 1271538C
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China
Prior art keywords
computer equipment
data
removable computer
network
connection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB021520054A
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Chinese (zh)
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CN1501274A (en
Inventor
德波拉·B·林可维奇
威廉·M·德洛斯特
史晓斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
Original Assignee
Motorized Power Network Technology Co ltd
Hongfujin Precision Industry Shenzhen Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Motorized Power Network Technology Co ltd, Hongfujin Precision Industry Shenzhen Co Ltd filed Critical Motorized Power Network Technology Co ltd
Priority to CNB021520054A priority Critical patent/CN1271538C/en
Publication of CN1501274A publication Critical patent/CN1501274A/en
Application granted granted Critical
Publication of CN1271538C publication Critical patent/CN1271538C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The present invention provides a mobile computer device which comprises a data storage area and an application program, wherein the application program comprises a connection switching module, a data processing module, a data filter and a data synchronization module. The connection switching module is used for receiving connection and offline instructions sent by a user and switching the communication connection state of the mobile computer device and a database server. The data filter is used for filtering new added and updated data in the data storage area. The mobile computer device can be used for conveniently switching the communication connection of communication networks. The present invention also provides a method for connecting and switching the mobile computer device and the communication networks.

Description

A kind of removable computer equipment and with the network connection switching method
[technical field]
The present invention relates to a kind of removable computer equipment and with network connection switching method, the particularly a kind of removable computer equipment and and network connection switching method thereof that can conveniently switch with network connection state.
[background technology]
Soon, people begin they are coupled together after the computer invention.Connection between the multiple computers can make such as public resources such as printer, memory devices and be shared.Originally, utilize cable to connect between the computer, along with the development of technology and the people increase to the dirigibility demand, also growing up appears in wireless communication mode.The wireless communication technique at initial stage relates to mobile device and is connected with periodicity between the network connection port, and this connection is to be realized by cable between removable computer equipment and network connection port or infrared signal.This Technology Need connects a cable to network connection port on mobile device, or an infrared facility is set on mobile device, and it requires, and corresponding infrared facility must be in certain scope on this infrared facility and the network connection port.Basically, early stage wireless communication technique can make between the mobile device or and other computer between in limited physical extent, carry out communication.And at twentieth century, after computer equipment can utilize emerging wireless communication networks to come communication as the mobile telephone system that engenders, the restriction of above-mentioned usable range was solved gradually.
To the twentieth century later stage, wireless network is widely used in the whole world.Removable computer equipment can carry out communication at information storage equipment or " data server " of any zone and remote computer main frame.For example, utilize communication network, a sales force uses the kneetop computer that is equipped with radio modem, can keep in touch with the central stock and the form ordering system of affiliated company.In addition, removable computer equipment such as personal digital assistant (Personal Digital Assistant, PDA) and complicated cell phone can allow the user connect to have converged the Internet of whole world resource.A lot of mobile devices also can (Public Telephone Network PTN) and/or the internet, carries out communication each other by connecting public telephone network.
Utilize present removable computer equipment, the user can be connected to e-mail server, Website server, online bank and other " backstage " application apparatus that is positioned at remote data server.Many companies, recognize by mobile device and connect they self the system or the potential advantages of server, wish to utilize telecommunication user interface and the background system that offers its staff or client, their business is expanded in the wireless world, finally provide its user to carry out trading ability with mobile device.
Though removable computer equipment has convenience, so its obstacle that still has some to use needs to eliminate.The one, wireless network between removable computer equipment and the remote data server connects may be because of other interference or apart from too far away and weaken even interrupt.The 2nd, when carrying out the mass data transmission between removable computer equipment and the remote data server, what its transmitting speed can be suitable is slow.
In addition, when removable computer equipment when an area moves to the another one area, its be connected with wireless network between the remote data server be easy to weakened.Like this, guarantee that continuing between removable computer equipment and the data server is connected to guarantee that operate as normal will become problem.When at new data more the time, the weakening that network connects may cause institute's data updated to become chaotic.And generally than the height of wired connection, if a certain user need continue to connect, the disbursement of keeping this connection may be above the profit by wireless connections produced for the expense of wireless connections.
Therefore, need a kind of system and method, when the user need be from long-range data server data download to removable computer equipment, it can be provided with communication easily and connect between data server and removable computer equipment.After having downloaded data, again can be at an easy rate removable computer equipment be connected disconnection with communication between the data server, under off-line state, the data on the removable computer equipment are operated.Can shorten the time that communication connects like this, with the internuncial weakening of avoiding being caused of communication because of the long communication tie-time.
[summary of the invention]
At above-mentioned the deficiencies in the prior art, the invention provides a kind of removable computer equipment, its can switch easily and communication network between the communication connection status.Simultaneously, the present invention also provides connection switching method between a kind of above-mentioned removable computer equipment and the communication network, and it can switch the connection status between removable computer equipment and the communication network easily.
Removable computer equipment provided by the invention includes: a data storage area, be used to store the various data that need on removable computer equipment, handle, and an actuating unit, be used to the function that realizes that removable computer equipment is possessed.This actuating unit includes one and connects switching device shifter, is used to receive connection and the off-line instruction that the user sends, and switches communication connection status between the remote data base on this removable computer equipment and the communication network; One data processing equipment is used for the various data in the deal with data memory block; One data filter, be used for when this removable computer equipment is in off-line state, filtering above-mentioned data storage area with data processing equipment newly-increased and data updated, and when this removable computer equipment is in connection status from remote data base data download; And a data synchronization unit, be used for when this removable computer equipment is in connection status, with the data sync in the remote data base on above-mentioned data that from the data storage area, filter out and the communication network.
Provided by the inventionly make an above-mentioned removable computer equipment and a communication network carry out connection switching method to include following step: (a) receive a link order; (b) whether detecting removable computer equipment can be connected with communication network automatically according to a default dial-up account; (c) if removable computer equipment can't be connected with communication network automatically according to default dial-up account, then reselect a dial-up account; (d) receive off-line instruction; (e) cut off being connected between removable computer equipment and the communication network.Said method also can select the different server on the communication network to be connected with this removable computer equipment.
Adopt removable computer equipment of the present invention, can freely switch and communication network between connection status.When the user need be connected with network, can utilize to connect switching device shifter and is connected with network easily, and when not needing to carry out network service, can cut off at an easy rate again with network between be connected, shorten and the purpose of network tie-time thereby can reach.
[description of drawings]
Fig. 1 is the calcspar of a communication system, and it can be used for implementing disclosed method.
Fig. 2 is the communication system calcspar of another embodiment of the present invention.
Fig. 3 is the home screen synoptic diagram that the present invention one is in the off-line state personal digital assistant.
Fig. 4 is the home screen synoptic diagram that the present invention one is in the connection status personal digital assistant.
Fig. 5 is the pie graph of application server and database server among Fig. 1 and Fig. 2.
Fig. 6 is the Organization Chart of personal digital assistant among the present invention.
Fig. 7 is the process flow diagram that personal digital assistant enters connection mode among the present invention.
Fig. 8 is the process flow diagram that carries out data sync among the present invention between personal digital assistant and the remote database server.
[embodiment]
That shown in Figure 1 is the hardware structure figure that supports a wireless telecommunication system of the present invention.Enterprise information system generally adopts three layers of (or multilayer) framework at present: a plurality of front station of dispersion, a series of application server, and a central database server.In the present invention, front station mainly adopts removable computer equipment, this removable computer equipment be specifically as follows personal digital assistant (PersonalDigital Assistant, PDA), kneetop computer (Laptop Computer) or smart mobile phone (Smart Phone) etc.In following the specific embodiment of the present invention, as front station the present invention is described with personal digital assistant 101.Application server 103 has comprised core and business logic mutability (planning, How It Works, management mode etc.) in the system, and its function is to receive input, handles and return results.Database server 107 is in charge of the read-write of database and maintenance, can carry out the renewal and the retrieval of mass data rapidly.
Communications tower 105 utilizes communication channel 115 and communication channel 113 to carry out communication with personal digital assistant 101 and application server 103, transmits the synchronization request message of personal digital assistant 101 and the synchronous restore message of application server 103.Shown in Figure 1 is the Organization Chart that personal digital assistant 101 utilizes a modulator-demodular unit (not drawing among the figure) and communications tower 105 to carry out communication with wireless mode.Communications tower 105 is utilized special-purpose or public communication channel 113 links to each other with application server 103.Certainly, for the people who knows field of the present invention, communication channel 113 can be a wire communication, also can be wireless telecommunications.Application server 103 utilizes LAN (Local Area Network), and (Local Area Network, LAN) 117 link to each other with database server 107.LAN (Local Area Network) 117 links to each other with computer equipment 109 again, and it can be the channel that application server 103 and computer equipment 109 provide access internet 111.Personal digital assistant 101 also can visit internet 111 via LAN (Local Area Network) 117, application server 103, communication channel 113 and communication channel 115.If the infosystem of an enterprise adopts distributed structure/architecture, application server 103 and database server 107 can have a plurality of.
Above-mentioned communication system only is a specific embodiment of the present invention, by some other system that this system derived, or even dissimilar systems, also can adopt method of the present invention.For the people who knows field of the present invention, disclosed method can be easily launched in any communication system or other type exist the system of frequency range and/or device memory problem.The present invention is not limited only to adopt the system of wireless telecommunications connection, though the easiest the embodying of this field convenience of the present invention.
Figure 2 shows that the hardware structure figure of another line communication system of the present invention.Can adopt this framework under the situation of access to LAN easily the user, transmit effect to guarantee better data.Under the situation that adopts wire communication mode, personal digital assistant 101 inserts an Ethernet card (Ethernet Card) 119.Utilize this Ethernet card 119, but these personal digital assistant 101 access to LAN 117, and see through this LAN (Local Area Network) 117 and be connected to application server 103 and database server 107.
Fig. 3 and Fig. 4 are typical home page synoptic diagram that shows on the display screen of personal digital assistant 101 (Fig. 1 and Fig. 2).The user carries out and implements actuating unit of the present invention, and this homepage promptly is presented on the screen.In the top of homepage is a title block 1011, has in comprising: a title " homepage ", current time " 11:47am ".Be " a welcome below the title block 1011! " message 1013, this message content is transformable.Then be several screen-icons below the message 1013, they are respectively directory icons, an order icon, account's icon, a synchronous icon.Each screen-icon is all being represented a certain specific function.Particularly, directory icon sees through the software of carrying out on the personal digital assistant makes the user can browse the products catalogue in the file of product, even can make some modification; The order icon can make the user send purchase order, or order is done some modifications; Account's icon can make the user browse or revise its account number; Synchronization icon can make the user define, redefine or change its synchronous filtering device.
Be a state area 1015 below screen-icon, comprise four options buttons such as " account number ", " order ", " catalogue ", " synchronously ", corresponding one by one with screen-icon.The user selects some keys can move corresponding software with a stylus, and this software is identical with the software that sees through the screen-icon operation.Except four options buttons corresponding to screen-icon, state area 1015 also comprises one " archives " key, similar in the function of this archives key and the Microsoft Word supervisor, and the user can carry out unlatching, close, preserves operations such as document by this key.Especially, state area 1015 also includes one and connects switching icon 1017, shows the connection status between a personal digital assistant 101 and the remote application server 103 (Fig. 1).In the specific embodiment of the present invention, icon 1017 is switched in this connection two kinds of patterns: connect and off-line.Under off-line mode, connect and switch the oblique line (as shown in Figure 3) that a redness is arranged on the icon 1017.At this moment, personal digital assistant 101 can't be visited long-range database server 107, but can handle the data in the data storage area of its local area.Under connection mode, connect the red oblique line that switches on the icon 1017 and can disappear (as shown in Figure 4).At this moment, personal digital assistant 101 can be visited long-range database server 107, as can also uploading data to the database in the database server 107 from the database data download the database server 107.
Fig. 5 is the pie graph of application server 103 shown in Fig. 1 and Fig. 2 and database server 107.In database server 107, include a database 1070, it can store Inventory Performance data of an enterprise etc.In application server 103, include one first data filter 1030, be used for the data that database 1070 is newly-increased or the change of data with existing and partly filter out, to carry out data sync with personal digital assistant 101.Be connected by LAN (Local Area Network) 117 between application server 103 and the database server 107.
Fig. 6 is the Organization Chart of personal digital assistant 101 shown in Fig. 1 and Fig. 2.This personal digital assistant 101 includes an actuating unit 300 and a data storage area 310.This actuating unit 300 is used to the function that realizes that personal digital assistant 101 is possessed.Data storage area 310 is used to store the data that store personal digital assistant 101 this locality.This actuating unit 300 includes account's setting device 301, and connects switching device shifter 303, a data processing equipment 305, one second data filter 307, a data synchronization unit 309.Account's setting device 301 is used to set the dial-up account of dial-up connection.When the user often need roam into various places, just can use local dial-up account everywhere, to save communication fee.Connect switching device shifter 303 and be used to receive connection or the off-line instruction that the user sends, and switch the connection status between personal digital assistant 101 and the application server 103.Data processing equipment 305 is used for data that data memory area 310 stored to be upgraded or adds.Second data filter 307 is used for personal digital assistant 101 change that data is done in the data memory area when the off-line state is partly filtered out, the data in these data and the remote database server 107 are carried out synchronously when the connection status.If execution second data filter under connection status, then its meeting data download from database 1070.Data synchronization unit 309 is used for when personal digital assistant 101 is in connection status, and the data in the data that second data filter 307 is separated and the database 1070 of remote database server 107 are carried out synchronously.
After personal digital assistant 101 was activated, its homepage connected and switches the oblique line that a redness is arranged on the icon 1017 as shown in Figure 3.If the user wants and long-range database server 107 between connect, its utilisation point hits to connect and switches icon 1017, this personal digital assistant 101 can transfer connection status to by off-line state.Fig. 7 is this kind transformation flow figure.At first, at step S601, the user clicks to connect switches icon 1017, connects switching device shifter 303 and can receive a link order.At step S603, connect whether switching device shifter 303 detecting personal digital assistants 101 are current can be connected to communication network automatically according to a default default dial-up account.This process is that the action that the host name by the application server on communication network 103 is carried out " Ping " realizes." Ping " sends message and waits for a kind of agreement of inbound message to another computer, and it is generally used for checking whether another computer on the network is readable.If " Ping " is successful, then personal digital assistant 101 enters connection status automatically.If " Ping " is unsuccessful, illustrate that then current network can't connect.At this moment, can eject a dialog box on the page of personal digital assistant 101, the user can select a dial-up account to connect to carry out network in addition.At step S605, the user selects a dial-up account to connect in addition.In the specific embodiment of the present invention, provide a pull-down menu, it provides multiple default dial-up account, and the user can select according to the difference of their location.This mode is very practical for the user that those often need roam into various places, and it can reduce the increase of the communication cost that is brought because of roaming.If when an enterprise adopted distributed information system, when personal digital assistant 101 roams to another place from a place, at step S607, the user also can select a nearest application server to connect, and can improve the transmission performance of data like this.This connection procedure is the action of carrying out one " Ping " to the URL of nearest application server (Uniform Resource Locator).If adopt Java to handle, this URL includes the IP address and a Servlet title of this application server.At step S609, personal digital assistant 101 promptly enters connection mode.At this moment, the user can pass through database 1070 data download of application server 103 from remote database server 107, or uploads data to it.After synchronization job is finished, click to connect switch icon 1017, can cut off personal digital assistant 101 and be connected with communication between communication network or the application server 103.
Shown in Figure 8 is the process flow diagram of data synchronization process among the present invention.In the specific embodiment of the present invention, be that example explanation illustrates this flow process with the database server 107 of the employed personal digital assistant of a salesman of an enterprise 101 and its owned enterprise.Suppose that this personal digital assistant 101 is for using first.At first, at step S701, this salesman utilizes click to connect switching icon 1017 and sends link order to connecting switching device shifter 303, so that its personal digital assistant 101 is connected to application server 103.At step S703, second data filter 307 is downloaded required data in the database 1070 of database server 107 to the data storage area 310 by application server 103.Such as, can in the database of the database server 107 of this enterprise, download a certain commodity, the Inventory Performance data as baseball comprise trade name, stockpile number, selling price, procurement price etc.After having downloaded required data, at step S705, this salesman's utilisation point hits and connect to switch icon 1017 and make its employed personal digital assistant 101 be connected disconnection with communication between the application server 103.At step S707, this salesman can local area to it data in employed personal digital assistant 101 carry out operation.For example work as this salesman and sell after the baseball, the stockpile number of baseballs in the data storage area 310 of its renewable this personal digital assistant 101, and increase a sales figure.Every the regular hour, such as every 24 hours, this salesman need carry out synchronization job with the data in the database 1070 of data in the data storage area 310 of its personal digital assistant 101 and enterprise database server 107.At step S709, second data filter 307 is filtered the data that increase newly or change in the data storage area 310 of personal digital assistant 101.For example, variation that the quantity of baseball in the personal digital assistant 101 is produced because of sale and newly-increased sales figure filter out.Simultaneously, first data filter 1030 also can be filtered the variation of the database 1070 interior baseball quantity of enterprise database server 107, or the data such as change of baseball selling price.At step S711, this salesman utilizes click to connect switches icon 1017 and sends link order to connecting switching device shifter 303, is connected with communication between the application server 103 to reset personal digital assistant 101.At step S713, connect switching device shifter 303 and send a pulse (as HTTP request) from trend application server 103, promptly carry out the action of " Ping ", available to confirm that this time communication connects.If confirm availablely, then personal digital assistant 101 is in connection mode, and connecting the red oblique line that switches on the icon 1017 can disappear automatically.If it is also unavailable that this communication connects, then be back to step S711 and reset connection.At step S715, data synchronization unit 309 partly is uploaded to the change of data in the data storage area 310 of personal digital assistant 101 in the database 1070 of long-range enterprise database server 107, and the change part of data in the database 1070 of remote enterprise database server 107 or the new data that increase downloaded, thereby make the data in the database 1070 of data in the data storage area 310 of personal digital assistant 101 and remote database server 107 reach synchronous.Because in synchronous process, have only those data that changed and newly-increased data between the database 1070 of the data storage area 310 of personal digital assistant 101 and long-range database server 107, to transmit, rather than transmit all data, and these data that are transmitted generally only account for the seldom part of all data, therefore improved the application performance of personal digital assistant 101 greatly, also save user's time, and correspondingly reduced the reportedly defeated required expense of factor.After having finished data sync, at step S717, this salesman utilisation point again hits and connect to switch icon 1017 and make its employed personal digital assistant 101 be connected disconnection with communication between network or the application server 103.Afterwards, this salesman can carry out operation on the data updated basis.

Claims (9)

1. removable computer equipment is characterized in that comprising:
One data storage area is used to store the data that need handle on removable computer equipment;
One actuating unit is used to finish the function that removable computer equipment is possessed, and it includes:
One connects switching device shifter, is used to receive connection and the off-line instruction that the user sends, and switches the communication connection status between removable computer equipment and the remote data base;
One data processing equipment is used for the data in the deal with data memory block;
One data filter, be used for when this removable computer equipment is in off-line state, filtering above-mentioned data storage area by data processing equipment newly-increased and data updated, and when this removable computer equipment is in connection status from remote data base data download;
One data synchronization unit is used for when this removable computer equipment is in connection status, with above-mentioned data that filter out from the data storage area and the data sync in the remote data base.
2. removable computer equipment as claimed in claim 1 is characterized in that this removable computer equipment is personal digital assistant.
3. removable computer equipment as claimed in claim 1 is characterized in that this removable computer equipment can utilize a modulator-demodular unit and communication network to carry out wireless telecommunications and be connected.
4. removable computer equipment as claimed in claim 1 is characterized in that this removable computer equipment can utilize an Ethernet card and communication network to carry out wire communication and be connected.
5. removable computer equipment as claimed in claim 1 is characterized in that this actuating unit also includes account's setting device, is used for carrying out setting when wireless telecommunications connect different dial-up connection accounts at this removable computer equipment and communication network.
6. a removable computer equipment and a network connection switching method, this removable computer equipment includes one and connects switching device shifter and account's setting device, it is characterized in that this method comprises the steps:
(a) receive a link order;
(b) whether detecting removable computer equipment can be connected with network automatically according to default dial-up account;
(c) if removable computer equipment can't be connected with network automatically according to default dial-up account, then reselect a dial-up account;
(d) this removable computer equipment is connected to network;
(e) receive off-line instruction;
(f) cutting off removable computer equipment is connected with communication between the network.
7. connection changing method as claimed in claim 6 is characterized in that this removable computer equipment is personal digital assistant.
8. connection changing method as claimed in claim 6 is characterized in that step (b) is to realize by the action that the server on network is carried out " Ping ".
9. connection changing method as claimed in claim 8 is characterized in that step (d) more includes the server of selecting on the network before and carries out step of connecting.
CNB021520054A 2002-11-15 2002-11-15 Mobile computer equipment and switching method for its network connection Expired - Fee Related CN1271538C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB021520054A CN1271538C (en) 2002-11-15 2002-11-15 Mobile computer equipment and switching method for its network connection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB021520054A CN1271538C (en) 2002-11-15 2002-11-15 Mobile computer equipment and switching method for its network connection

Publications (2)

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CN1501274A CN1501274A (en) 2004-06-02
CN1271538C true CN1271538C (en) 2006-08-23

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1787511B (en) * 2004-12-07 2010-07-21 联想(北京)有限公司 Method and system for realizing off-line application of computer
CN1869932A (en) * 2005-05-24 2006-11-29 中国银联股份有限公司 Computer processing system for implementing data update and data update method
CN101018109B (en) * 2006-02-09 2010-06-23 中兴通讯股份有限公司 A mobility management method of the automatic retransfer request

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Owner name: HONGFUJIN PRECISION INDUSTRY (SHENZHEN) CO., LTD.

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Address before: No. two, 2 East Ring Road, tenth Pine Industrial Zone, Longhua Town, Guangdong City, Shenzhen Province, China: 518109

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