CN1570904A - Mobile remote computer access and control system and method thereof - Google Patents
Mobile remote computer access and control system and method thereof Download PDFInfo
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- CN1570904A CN1570904A CN 03139885 CN03139885A CN1570904A CN 1570904 A CN1570904 A CN 1570904A CN 03139885 CN03139885 CN 03139885 CN 03139885 A CN03139885 A CN 03139885A CN 1570904 A CN1570904 A CN 1570904A
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Abstract
It is a mobile remote computer access and control system and mothod that using mobile communication device as the client terminal. By combining the mobile communication technique and computer remote access and control technique, it adds a mobile communication device adapting layer on remote computer. By simulating as a remote client, the adapting layer forwards request and responds as an agent between mobile communication device and server application, and adapts and changes the computer-to-computer remote access and the content that non-applied to mobile communication device in control protocal.
Description
Technical field
The present invention relates to remote computer access and control, especially utilize mobile communication equipment to make the system and the method thereof of client's terminal.
Background technology
The technology that multiple remote access and control computer have been arranged at present.This class technology can be divided into following several usually: 1) utilize telepilot to come remote control computer to make some limited special orders, as (for example " a kind of universal method that realizes remote control computer ", the patent No.s: 96102482.8) such as switching on and shutting down, broadcast CDs; 2) utilize non-network equipment to come to the direct remote control of computing machine (for example " with the device of wireless remote control computing machine ", the patent No.: 99815630.2); 3) utilize computer network, as internet or LAN (Local Area Network), come remote access and control computer, for example the remote frame of the RDP of Microsoft (Remote DesktopProtocol), Cambridge University's virtual network computational item cushions (Remote Frame Buffer) agreement etc.First kind technology only allows the user to realize very limited remote control function in short distance.Second class technology permission user is as the local mouse of use and keyboard is visited and control computer, but still only is confined in the short distance.This two classes technology all needs extra special hardware, and this had both improved application cost, had reduced versatility again.Three types of technology is used for computing machine to computer remote visit and control, utilizes network general and standard to make intermediary's medium, and remote computer is done part even Full Featured visit and controlled, comparative maturity at present, and quite universal.Yet, if it is used for mobile communication equipment, as mobile phone or palm PC (PDA), then be faced with many problems, because at the beginning of these technical design at computing machine as client terminal, do not consider the situation of mobile communication equipment, as limited computational power, storage space and display screen etc.Simultaneously, different mobile communication equipments have different specifications again.These problems make the application of three types of technology in the mobile communication equipment difficulty that becomes very even may.
Summary of the invention
Can not be applied in the problem on the mobile communication equipment in order to overcome existing above-mentioned three types of technology (promptly utilizing computer network to make the technology of remote access and control computer), the present invention combines mobile communication technology and computer remote access control technology, a mobile remote computer access and control system and method thereof are provided, allow the user can use portable mobile communication equipment whenever and wherever possible, by available everywhere mobile communications network, remote access and control have been connected into the computing machine of computer network.The user no longer is confined to mobile communication equipment limited computational power and storage space, also no longer is subject to finite information and data.The present invention allows the user can carry out all programs of remote computer, and visit, all data of handling and storing remote computer make the user as being sitting in the other operation of remote computer.
Designed mobile remote computer access and the control system of the present invention comprises:
A. mobile communication equipment, can support the transmission of data, services and data double-way, be provided with screen output and following one or above user input method are provided: " one-handed keyboard " (ITU-T standard telephone keypad), " both hands keyboard " (" QWERTY " keyboard) and touch-screen;
B. mobile remote computer access and control client (" client " made in letter) are the mobile communication equipment downloadable software, are installed on the mobile communication equipment, for mobile communication device user provides remote access and control interface.It has shown the display frame of remote computer, for the mobile communication equipment of screen less than the remote computer screen, allow the user to show the different piece of remote computer display frame with the screen scrolling, and the picture zoom function is provided, allows the user can see remote computer display frame thumbnail partly; Simultaneously also allow the user to control remote computer, provide the incoming event simulation the mobile communication equipment that does not have the input of QWERTY keyboard and mouse by the keyboard and the mouse event of standard;
C. mobile data network can insert the internet, is used to provide the user to utilize the communication port of mobile communication equipment visit remote computer;
D. remote computer has inserted the internet, and computer remote visit and Control Server program (" server program " made in letter) are installed;
E. mobile communication equipment adaptation layer (letter do " adaptation layer "), be computer software, be installed on the remote computer, be the remote client by simulating oneself, between the client and server program, do intermediary, the request of transmitting and responding, and for computing machine to not being suitable for the content of mobile communication equipment in computer remote visit and the control protocol, make adaptive and change.
Had above-mentioned softly, hardware facility is as the basis, and purpose of the present invention can adopt following technical measures to realize, designs a kind of mobile remote computer access and control method, and this method comprises the steps:
A. client and adaptation layer connect, and inform adaptation layer client parameter, comprise the screen parameter (resolution, color depth) of client device, the picture data coded format of being supported and recommend the picture data coded format of using, the pixel format of display picture data;
B. adaptation layer is according to the data that a. step is obtained, determine to send to client display picture data coding and pixel format and notify client.Follow-up on-screen data transmission will be used this coding and pixel format;
C. adaptation layer and server program connect, and use the computing machine that is complementary with this server program that computer remote is visited and communicate by letter with control protocol;
D. adaptation layer obtains first display frame from server program, and the notice client enters picture event update Control Circulation;
E. in picture event update Control Circulation in the stage, adaptation layer is constantly obtained the frame updating data from server program, send frame updating when client requires, and the event update that client is produced is forwarded to server program.
Picture event update Control Circulation is made up of following three measures, for realizing the core procedure of the object of the invention, comprising:
A. the frame updating data obtain-adaptation layer constantly obtains the screen-refresh data from server program, the screen-refresh data that obtained can directly not send to client immediately, but in order to rebuild the screen behind whole the refreshing in buffer memory;
B. client frame updating-client requires the frame updating of a rectangle screen area of adaptation layer transmission, within the whole remote computer screen-picture regional extent of this rectangle screen area in the adaptation layer buffer memory; Adaptation layer only just can send the more new data of display frame to client when client requires; If the current picture scaling of client is one to one, then adaptation layer is carried out picture coding with the picture of this rectangle screen area to consult definite coding in mobile remote computer access and the described a. of control method, the b. step, and is sent to client; If the current picture scaling of client is not one to one, then adaptation layer is carried out convergent-divergent with the picture of this rectangle screen area with current picture scaling earlier, and then carry out picture coding, and be sent to client with the coding of in mobile remote computer access and the described a. of control method, b. step, consulting to determine;
C. event update-when the user presses keyboard key or mouse button (keyboard and the mouse button that comprise simulation), client sends incoming event to adaptation layer, and adaptation layer receives the incoming event that client is sent here, and it is forwarded to server program.Server program is received the event update from client, has changed the keyboard and the mouse state of remote computer by the interface with operating system; Server program also by grasping the screen-picture of remote computer with the interface of operating system, is sent to client by adaptation layer, has reached the purpose of utilizing mobile communication equipment to do remote computer access and control.
The invention has the beneficial effects as follows:
A. the user need not be computing machine or the extra hardware of mobile communication equipment increase;
B. utilize computer remote visit ripe and that quite popularize and control technology;
C. powerful.Program in all remote computers all can be carried out, and program itself need not any change, also need not to be in particular when development sequence mobile Long-distance Control and visit design.Data in all remote computers are all addressable, handle and storage.The user is as being sitting in the other operation of remote computer;
D. highly versatile.Can compatible different mobile communication equipment;
E. coverage is big.Utilized mobile data network, made it to become one and cover the whole nation, even the mobile remote computer access and the control system in the whole world.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the formation synoptic diagram that the present invention moves remote computer access and control system.
Fig. 2 is the process flow diagram of the embodiment of mobile remote computer access and control method.The flow content of the picture event update Control Circulation among the figure only is an example.
Fig. 3 is that client provides the user to show the synoptic diagram of the different piece of remote computer display frame with the screen scrolling.
Fig. 4 is that client provides the user to show the synoptic diagram of the part thumbnail of remote computer display frame with the picture convergent-divergent.
Embodiment
As shown in Figure 1, designed mobile remote computer access and the control system of the present invention comprises:
A. mobile communication equipment, can support the transmission of data, services and data double-way, be provided with screen output and following one or above user input method are provided: " one-handed keyboard " (ITU-T standard telephone keypad), " both hands keyboard " (" QWERTY " keyboard) and touch-screen; Motorola for example, the 2.5th generation of Nokia and the 3rd generation mobile phone, the palm PC of the Pocket PCPhone Edition of Microsoft etc.;
B. mobile remote computer access and control client (" client " made in letter), be by mobile communication equipment downloadable software (as J2ME software, Symbian software, Pocket PC software, Palm software, Windows CE software), be installed on the mobile communication equipment, for mobile communication device user provides remote access and control interface.It has shown the display frame of remote computer, for the mobile communication equipment of screen less than the remote computer screen, allow the user to show the different piece (see figure 3) of remote computer display frame with the screen scrolling, and the picture zoom function is provided, allows the user can see remote computer display frame thumbnail (see figure 4) partly; Simultaneously also allow the user to control remote computer, provide the incoming event simulation the mobile communication equipment that does not have the input of QWERTY keyboard and mouse by the keyboard and the mouse event of standard;
C. mobile data network can insert the internet, the communication port that is used to provide the user to utilize mobile communication equipment visit remote computer, as the 2.5th generation GPRS, the 3rd generation UMTS telecommunication network or or even the 802.11/a/b/g WLAN (wireless local area network);
D. remote computer has inserted the internet, and computer remote visit and Control Server program (" server program " made in letter) are installed, as the server program of the RDP of use Microsoft;
E. mobile communication equipment adaptation layer (letter do " adaptation layer "), be computer software, be installed on the remote computer, be the remote client by simulating oneself, between the client and server program, do intermediary, the request of transmitting and responding, and for computing machine to not being suitable for the content of mobile communication equipment in computer remote visit and the control protocol, make adaptive and change; Adaptation layer makes original server program to be complementary with the client of non-computer, as mobile phone or palm PC.Computing machine still operates in original mode computer remote visit and control, need not to handle through the intermediary of adaptation layer.Adaptation layer both can be used as flush bonding module and had embedded server program, can be used as again one independently module be operated on the long-range computing machine of being interviewed.In preceding a kind of mode, most of server program code need not to change; In a kind of mode in back, former server program need not to carry out any rewriting.
Fig. 2 has shown the process flow diagram of the embodiment of mobile remote computer access that the present invention is designed and control method, wherein adaptation layer and server program connect, and use the computing machine that is complementary with this server program that computer remote is visited and communicate by letter with control protocol; Client and adaptation layer connect, communicate by letter with a new agreement, this protocol definition how long-range display image is sent to client, and how user's incoming event is sent to adaptation layer; This agreement is made minimum hypothesis and demand to mobile communication equipment based on simply: platform independence, need not specific architecture, need not specific operating system.Below agreement and whole flow process add and lay down a definition for this reason:
Handshake request (1)-client-requested and adaptation layer connect.Client is informed adaptation layer client parameter, comprises the screen parameter (resolution, color depth) of client device, the picture data coded format of being supported and recommends the picture data coded format of using, the pixel format of display picture data.
Client and adaptation layer should be supported original pixel data coded format (raw encoding) at least, promptly represent display picture data with the pixel value array of a two dimension.Other operable picture coding comprises JPEG and PNG etc.
Shake hands and reply the screen parameter that (2)-adaptation layer obtains client device, and the coding of definite client display picture data and pixel format.To use this coding and pixel format in the follow-up on-screen data transmission.
Server handshaking request (3)-client and adaptation layer set up one be connected after, adaptation layer is set up one with server program and is connected, and sends handshaking information.Adaptation layer is used the computing machine that is complementary with this server program that computer remote is visited and is communicated by letter with control protocol.In general, server program needs authenticated client.The exchange of the specific primary data of this authenticated client process and some server programs is in these steps: and server handshaking request (3), server handshaking reply+and server lookup request (4), query requests (5), inquiry response (6), server lookup reply in (7) and finish.
Server handshaking replys+connection request of server lookup request (4)-server program response adaptation layer, and inquire about more client-side information.
Query requests (5)-adaptation layer is transmitted to client with the query requests of server program.
Inquiry response (6)-client is replied the query requests of server program to adaptation layer.
Server lookup is replied (7)-adaptation layer and is transmitted replying to server program of client.
Frame updating request first (8)-adaptation layer request server program sends first display frame.
Frame updating is replied (9)-adaptation layer obtains remote computer from server program first display frame first.
Picture event update Control Circulation signal (10)-adaptation layer notice client enters picture event update Control Circulation.Also comprise the screen resolution of replying display frame obtained (9) one steps from frame updating first in this notice.
Picture event update Control Circulation (11)-this circulation comprises following three steps: the frame updating data are obtained, client frame updating, event update; The order of three steps and number of times can be that uncertain (note: the substep of three steps itself can not be changed in proper order, but can not recur, reply (11.1.2) as frame updating and must occur in frame updating request (11.1.1) afterwards, but the centre can there be event request (11.2.1)).The flow content of the picture event update Control Circulation among Fig. 2 only is an example.
Picture event update Control Circulation is made up of following three measures, for realizing the core procedure of the object of the invention, comprising:
(1) client frame updating (contain substep: frame updating request, frame updating is replied)
Client has shown the display frame of remote computer, for the mobile communication equipment of screen less than the remote computer screen, allow the user to show the different piece (see figure 3) of remote computer display frame with the screen scrolling, and the picture zoom function is provided, allows the user can see the thumbnail (see figure 4) of a remote computer display frame part.
The renewal of display frame is that client drives, and promptly only when client requires, adaptation layer just can send the more new data of display frame to client.This makes that agreement can be according to the actual conditions adjusting function.Client speed and network speed are slow more, and then renewal frequency is slow more; So just reduced the data processing amount of network traffics and client, and guaranteed that the display frame that client receives is always up-to-date; Client requires adaptation layer to send the frame updating of a rectangle screen area, within the whole remote computer screen-picture regional extent of this rectangle screen area in the adaptation layer buffer memory, usually client only can require on mobile communication equipment visible display frame partly to upgrade, there is no need because of transmitting the sightless partial data of display frame, and can waste bandwidth.
Frame updating request (11.1.1)-client requires adaptation layer to send the display frame of a renewal.The frame updating request can have two kinds of parameter formats: (x, y, w, h) or (x, y, w, h, w
n, h
n).
If the parameter format of request is that (w h), represents that then client is with the display frame of original size pattern for x, y.If the parameter format of request is (x, y, w, h, w
n, h
n), represent that then client is with picture zoom mode display frame (Fig. 4).
Whole remote computer screen-picture zone in the adaptation layer buffer memory is initial point with the left upper apex, and coordinate is (0,0).In two kinds of parameter formats, that part of rectangle screen area that on behalf of client, parameter x, y, w, h to show.(x, y) is the left upper apex coordinate of this screen area, and w, h are the wide and high of this zone.w
n, h
nBe wide and high behind the picture convergent-divergent.
Client must guarantee to be asked display frame in legal telecreen border, what promptly x+w must be less than the remote computer screen is wide, and y+h must be less than the height of remote computer screen.Wide and the height of remote computer screen i.e. the screen resolution of included remote computer screen in picture event update Control Circulation signal (10) goes on foot.
Frame updating reply (11.1.2) if-parameter format of frame updating request is (x, y, w, h), then adaptation layer is with the display frame in the buffer memory (x, y, w, h) part is with in step: handshake request (1), shake hands to reply and consult definite coding (2) in and carry out picture coding, and be sent to the mobile communication equipment client.
If the parameter format of frame updating request is (x, y, w, h, w
n, h
n), then adaptation layer need (w h) partly zooms to new size (w for x, y with the display frame in the buffer memory earlier
n, h
n), and then with in step: handshake request (1), shake hands and reply the coding of consulting in (2) to determine and carry out picture coding, and be sent to the mobile communication equipment client.
In order to reduce the unnecessary data flow, corresponding to a plurality of frame updating requests, adaptation layer can only send a frame updating and reply as required.
(2) event update (contain substep: event request, server event request)
The input pattern of client is based on the keyboard and multikey indicating equipment (mouse) the workstation pattern of standard.To there not being the mobile communication equipment of QWERTY keyboard and mouse input, as there are not " both hands keyboard " (" QWERTY " keyboard) and a touch-screen, the equipment that " one-handed keyboard " (ITU-T standard telephone keypad) only arranged, client must provide the incoming event simulation, and mouse moves or mousebutton as the keyboard input is converted into.
Event request (11.2.1)-when the user presses keyboard key or mouse button (keyboard and the mouse button that comprise simulation), client can send incoming event to adaptation layer.
Server event request (11.2.2)-adaptation layer receives the incoming event that client is sent here, and it is converted to the form of server program and it is sent to server program.
(3) the frame updating data are obtained (contain substep: the request of server frame updating, the server frame updating is replied)
Adaptation layer is constantly obtained the screen-refresh data from server program by the specific protocol of server program.Adaptation layer can directly not send to client with the screen-refresh data instant that is obtained, but in order to the screen behind whole the refreshing of reconstruction in buffer memory.
Server frame updating request (11.3.1)-adaptation layer obtains the screen-refresh data by the specific protocol request of server program.
The server frame updating is replied (11.3.2)-adaptation layer and is obtained remote computer screen-refresh data from server program, and rebuilds screen behind whole the refreshing with the screen-refresh data that obtained in buffer memory.
Termination of a session (12)-client informs that adaptation layer connects end.
Server termination of a session (13)-adaptation layer notification server program connects end.
Claims (4)
1. mobile remote computer access and control system comprise:
A. mobile communication equipment, can support the transmission of data, services and data double-way, be provided with screen output and following one or above user input method are provided: " one-handed keyboard " (ITU-T standard telephone keypad), " both hands keyboard " (" QWERTY " keyboard) and touch-screen;
B. mobile data network can insert the internet, is used to provide the user to utilize the communication port of mobile communication equipment visit remote computer;
C. remote computer has inserted the internet, and computer remote visit and Control Server program (" server program " made in letter) are installed;
It is characterized in that:
A., mobile remote computer access and control client (" client " made in letter) are installed on mobile communication equipment, are the mobile communication equipment downloadable software, for mobile communication device user provides remote access and control interface;
B., mobile communication equipment adaptation layer (" adaptation layer " made in letter) is installed on remote computer, be computer software, be the remote client by simulating oneself, between the client and server program, do intermediary, transmit request and response, and for computing machine to not being suitable for the content of mobile communication equipment in computer remote visit and the control protocol, make adaptive and change.
2. mobile remote computer access according to claim 1 and control system, described client has shown the display frame of remote computer, for the mobile communication equipment of screen less than the remote computer screen, allow the user to show the different piece of remote computer display frame with the screen scrolling, and the picture zoom function is provided, allows the user can see remote computer display frame thumbnail partly; Simultaneously also allow the user to control remote computer, provide the incoming event simulation the mobile communication equipment that does not have the input of QWERTY keyboard and mouse by the keyboard and the mouse event of standard.
3. mobile remote computer access and control method, this method comprises the steps:
A. client and adaptation layer connect, and inform adaptation layer client parameter, comprise the screen parameter (resolution, color depth) of client device, the picture data coded format of being supported and recommend the picture data coded format of using, the pixel format of display picture data;
B. adaptation layer is according to the data that a. step is obtained, determine to send to client display picture data coding and pixel format and notify client;
C. adaptation layer and server program connect, and use the computing machine that is complementary with this server program that computer remote is visited and communicate by letter with control protocol;
D. adaptation layer obtains first display frame from server program, and the notice client enters picture event update Control Circulation;
E. in picture event update Control Circulation in the stage, adaptation layer is constantly obtained the frame updating data from server program, send frame updating when client requires, and the event update that client is produced is forwarded to server program.
4. mobile remote computer access according to claim 3 and control method, described picture event update Control Circulation is made up of following three measures, comprising:
A. adaptation layer is constantly obtained the screen-refresh data from server program, and the screen-refresh data that obtained can directly not send to client immediately, but in order to the screen behind whole the refreshing of reconstruction in buffer memory;
B. client requires the frame updating of a rectangle screen area of adaptation layer transmission, within the whole remote computer screen-picture regional extent of this rectangle screen area in the adaptation layer buffer memory; Adaptation layer only just can send the more new data of display frame to client when client requires; If the current picture scaling of client is one to one, then adaptation layer is carried out picture coding with the picture of this rectangle screen area to consult definite coding in mobile remote computer access and the described a. of control method, the b. step, and is sent to client; If the current picture scaling of client is not one to one, then adaptation layer is carried out convergent-divergent with the picture of this rectangle screen area with current picture scaling earlier, and then carry out picture coding, and be sent to client with the coding of in mobile remote computer access and the described a. of control method, b. step, consulting to determine;
C. when the user presses keyboard key or mouse button (keyboard and the mouse button that comprise simulation), client sends incoming event to adaptation layer, and adaptation layer receives the incoming event that client is sent here, and it is forwarded to server program.
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| CN 03139885 CN1570904A (en) | 2003-07-23 | 2003-07-23 | Mobile remote computer access and control system and method thereof |
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| CN 03139885 CN1570904A (en) | 2003-07-23 | 2003-07-23 | Mobile remote computer access and control system and method thereof |
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| WO2007036160A1 (en) * | 2005-09-29 | 2007-04-05 | Tencent Technology (Shenzhen) Company Limited | An apparatus, system and method for realizing communication between the client and the server |
| CN101924823A (en) * | 2009-06-16 | 2010-12-22 | Lg电子株式会社 | The method of operating of portable terminal and control portable terminal |
| CN1867012B (en) * | 2006-05-26 | 2011-05-18 | 张洁 | Method for remote controlling computer based on intelligent mobile phone platform |
| CN102130945A (en) * | 2011-01-13 | 2011-07-20 | 汉王科技股份有限公司 | Mobile communication device real-time remote control system and control method thereof |
| CN101202766B (en) * | 2006-12-11 | 2011-11-23 | 三星电子株式会社 | Remote control system and method for portable terminals |
| CN102364920A (en) * | 2011-10-17 | 2012-02-29 | Tcl集团股份有限公司 | Android-system-based remote operating method and system |
| CN102427448A (en) * | 2011-11-03 | 2012-04-25 | 中兴通讯股份有限公司 | Method, terminal and server employing client input method on virtual desktop |
| CN101506791B (en) * | 2006-08-23 | 2012-05-23 | 论理工场株式会社 | Control method for controlling remote computer |
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| CN101202766B (en) * | 2006-12-11 | 2011-11-23 | 三星电子株式会社 | Remote control system and method for portable terminals |
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| CN101924823A (en) * | 2009-06-16 | 2010-12-22 | Lg电子株式会社 | The method of operating of portable terminal and control portable terminal |
| US8661350B2 (en) | 2009-06-16 | 2014-02-25 | Lg Electronics Inc. | Mobile terminal and method of controlling operation of the mobile terminal |
| CN102130945A (en) * | 2011-01-13 | 2011-07-20 | 汉王科技股份有限公司 | Mobile communication device real-time remote control system and control method thereof |
| US9319456B2 (en) | 2011-03-29 | 2016-04-19 | Empire Technology Development Llc | “Go home” feature for roaming applications |
| CN103403696A (en) * | 2011-03-29 | 2013-11-20 | 英派尔科技开发有限公司 | 'go home' feature for roaming applications |
| CN103403696B (en) * | 2011-03-29 | 2015-11-25 | 英派尔科技开发有限公司 | For " going home " feature of roaming application |
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| CN102364920A (en) * | 2011-10-17 | 2012-02-29 | Tcl集团股份有限公司 | Android-system-based remote operating method and system |
| CN102427448B (en) * | 2011-11-03 | 2017-07-14 | 南京中兴软件有限责任公司 | Method, terminal and the service end of client input are used in virtual desktop |
| CN102427448A (en) * | 2011-11-03 | 2012-04-25 | 中兴通讯股份有限公司 | Method, terminal and server employing client input method on virtual desktop |
| CN103532994A (en) * | 2012-07-04 | 2014-01-22 | 中兴通讯股份有限公司 | Remote accessing method, device and system, and remote calculation unit |
| CN103581219A (en) * | 2012-07-23 | 2014-02-12 | 技嘉科技股份有限公司 | Remote control system and remote control method thereof |
| CN103677882A (en) * | 2012-09-18 | 2014-03-26 | 珠海市君天电子科技有限公司 | Virtual installation device and method of mobile phone program |
| CN105279194A (en) * | 2014-07-08 | 2016-01-27 | 纬创资通股份有限公司 | Application program sharing method and system using same |
| CN105279194B (en) * | 2014-07-08 | 2019-03-05 | 纬创资通股份有限公司 | Application program sharing method and system using same |
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