CN1521651A - Network sharing method for electronic whiteboard - Google Patents
Network sharing method for electronic whiteboard Download PDFInfo
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- CN1521651A CN1521651A CNA031026680A CN03102668A CN1521651A CN 1521651 A CN1521651 A CN 1521651A CN A031026680 A CNA031026680 A CN A031026680A CN 03102668 A CN03102668 A CN 03102668A CN 1521651 A CN1521651 A CN 1521651A
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- 230000008569 process Effects 0.000 claims description 5
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- 238000012544 monitoring process Methods 0.000 claims description 3
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Abstract
The present invention discloses a method for sharing electronic whiteboard through network, wherein the network device providing electronic whiteboard service accesses the electronic whiteboard network service device through a control center, the electronic whiteboard network service device carries out the electronic whiteboard sharing function and the control center administrates the sharing of the electronic whiteboard. The invention realizes configuration freeness and simple operation.
Description
Technical field
The present invention relates to the method that a kind of electronic whiteboard network is shared, be meant especially a kind of in computer network the method for shared electron blank input information, belong to technical field of the computer network.
Background technology
Present popularizing along with computing machine and network, digital device is also more and more abundanter, for example personal computer, notebook computer, personal digital assistant (Personal Digital Assistant is called for short PDA), mobile phone, set-top box, mp3 player, digital camera, digital camera, electronic whiteboard etc.; These equipment can both provide some services, but may certain limitation be arranged in other service; If can make full use of the advantage of these equipment, avoid their shortcoming simultaneously, just: use the Services Combination of equipment, just can create that some are new, easier use, more powerful service.Such as, electronic whiteboard can receive the some signal that is drawn on the blank, then these signals is sent to computing machine, and computing machine can reappear the content on the electronic whiteboard.Like this, in meeting, just can simplify the difficulty of minutes widely, strengthen the effect of meeting.But, because electronic whiteboard can only use on a computing machine at present, if wish when holding Web conference, also can use, wish that perhaps a plurality of users can also can see the content on the electronic whiteboard on computing machine, mobile phone or the PDA of oneself, obviously do not accomplish at present.
In order to address this problem, need set up a software layer with different equipment rooms the user, this layer is hidden lower floor's procotol, equipment and operating system, and only offers the electronic whiteboard service in user scope and the operation LAN (Local Area Network).The user can use electronic white board equipment and the service in the network environment pellucidly, and need not consider the operating system of electronic whiteboard place equipment and equipment operation.
Summary of the invention
The method that fundamental purpose of the present invention is to provide a kind of electronic whiteboard network to share, the user can need not consider hardware device, under the prerequisite of operating system, with the short as far as possible time, the shirtsleeve operation process realizes that miscellaneous equipment uses the electronic whiteboard function as far as possible; The network parameter that the user need not be provided with this machine is electronic whiteboard function in the operational network environment intra vires just.
The object of the present invention is achieved like this:
The method that a kind of electronic whiteboard network is shared, the network equipment that uses the electronic whiteboard service is by control center's visit electronic whiteboard network server device, and this electronic whiteboard network server device is connected with electronic whiteboard, and the access services of electronic whiteboard is provided; Be specially: the electronic whiteboard network server device is realized the electronic whiteboard sharing functionality, and sharing of control center's managing electronic blank uses the network equipment of electronic whiteboard service to use the electronic whiteboard sharing functionality.
Before the electronic whiteboard network is shared, use the network equipment, electronic whiteboard network server device and the control center of electronic whiteboard service to register to protocol stack earlier.
Described control center is used to coordinate the operation that the electronic whiteboard network is shared, and carries out the management of electronic whiteboard service; Specifically comprise: control center is by the position and the IP address information at protocol stack inquiry electronic whiteboard network server device place; And provide the electronic whiteboard network server device of current existence to the network equipment of corresponding use electronic whiteboard service according to query requests.
Described control center also further provides the network equipment of use electronic whiteboard service and registration, maintenance, mandate, the monitoring function of electronic whiteboard network server device.
Use the network equipment of electronic whiteboard service to be by the detailed process that control center visits the electronic whiteboard network server device:
Step 1: use the network equipment of electronic whiteboard service to send the message bag that request is used to control center;
Step 2: behind the message bag that control center's request of receiving is used, propose the electronic whiteboard services request to the electronic whiteboard network server device;
Step 3:, then allow the message bag of use to control center's feedback if the electronic whiteboard network server device can provide the electronic whiteboard share service;
Step 4: control center sends to the message bag that allows use to the network equipment that uses the electronic whiteboard service again; Execution in step 6;
Step 5:, then send the message bag that refusal uses if the electronic whiteboard network server device can not provide service;
Step 6: if use the network equipment of electronic whiteboard service to receive the message bag that allows use, then the electronic whiteboard network server device all directly sends to the network equipment that uses the electronic whiteboard service with the state and the data of electronic whiteboard.
Step 7: after the network equipment of use electronic whiteboard service has received the message bag that allows to use, send the message bag that authority is revised in an application to control center, control center's decision allows or refusal then, and the network equipment to this use electronic whiteboard service feeds back the message bag that this has permission or refusal power of amendment limit information simultaneously.
The network equipment of described use electronic whiteboard service and electronic whiteboard network server device are based on operating system and procotol interconnection; Use the network equipment of electronic whiteboard service to comprise computing machine, server, PDA and mobile phone at least.
Described protocol stack provides at least: the registration of the network equipment and service and search the connection of the network equipment, network control, the rights management of renting, calling and serving of network service.
Described electronic whiteboard network server device is used to provide the transparent access of electronic whiteboard, specifically comprises: the power function that is provided for visiting electronic whiteboard; This function operation electronic whiteboard of application call in the network equipment of use electronic whiteboard service.
Described message bag comprises message descriptive information and message text information at least; Wherein, the message descriptive information comprises at least: the length of whole message and the type information of message; Message text information comprises order and bid value at least.
The present invention has following characteristics:
1, exempts from configuration, use simple.After user's equipment enters a network environment, need not consider the type of the device and operating system, the setting of IP address and gateway, as long as the corresponding access software of operation, the electronic whiteboard resource in just can accesses network obtains the electronic whiteboard service.
2, centralized and unified rights management.The blank service has only read-only and revises two kinds of authorities.The user only need be provided with the associated rights of shared electron blank in this equipment, the authority that control center will these electronic whiteboards of unified management.Usually, the user right of acquiescence is read-only authority, if this user need revise authority to some shared electron blank, can send the message bag that authority is revised in an application to control center.This application is still refused by control center's decision permission, and then, the information that this control center will be loaded with permission or refusal modification authority returns to the user who files an application by the message bag.
Description of drawings
Fig. 1 is the synoptic diagram that concerns between each layer of the present invention;
Fig. 2 is the synoptic diagram of each equipment of the present invention to the protocol stack registration;
Fig. 3 is the synoptic diagram of services request of the present invention;
The synoptic diagram that Fig. 4 provides for service of the present invention;
Fig. 5 is the particular flow sheet of one embodiment of the invention.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing and specific embodiment:
Electronic whiteboard among the present invention is meant: after installing the electronic signal receiver additional on the common blank, use the device of electronic signal pen; Wherein, the electronic signal receiver is connected with computing machine by communication interface, and the signal that the electronic signal pen that receives is sent sends in the connected computing machine again.
The network equipment of the present invention comprises server, desktop computer, notebook, PDA, mobile phone etc.This network equipment is undertaken by the mode of proxy for equipment and protocol gateway alternately.
Service of the present invention is meant the functional entity that operates on the network equipment, supports the defined standard interface of respective protocol.A service can be provided by one or more equipment.
Referring to Fig. 1, software layer of the present invention dynamically finds and searches equipment, carry out the registration of the automatic distribution of IP address, service and search.And these functions all realize based on corresponding protocol (for example: associate graduate B agreement), and the relational hierarchy of intelligent management that the electronic whiteboard function is used and operating system, agreement is four layers; Wherein:
The bottom is the device and operating system layer, can support PC, notebook computer, and PDA and mobile phone etc., operating system can be from Windows 9x, Windows 2000, Windows XP, WindowsCE to Linux.
The second layer is a protocol layer; It provides the registration of equipment, service and searches, the connection of equipment, network control, the rights management of renting, calling and serving of service.
The 3rd layer is electronic whiteboard service layer; It provides the transparent access of electronic whiteboard, application programming interface (the Application Programming Interface of visit electronic whiteboard promptly is provided at this layer, be called for short API) (comprising: newly-built, as to draw, wipe, close etc. function), application program can be operated electronic whiteboard on other equipment as the local electronic whiteboard of operation, so just can reduce the difficulty of writing of program greatly.
The 4th layer, just the superiors are application layers of whole electronic whiteboard service, and the user sees that the electronic whiteboard service of use embodies by this one deck.
The electronic whiteboard service equipment has three classes: the electronic whiteboard service equipment, equipment and control center are used in the electronic whiteboard service.This three kind equipment can exist respectively on the different hardware devices, also can be on same hardware device.For example: electronic whiteboard service equipment and control center are notebooks, and electronic whiteboard service use equipment is people's computer one by one.The electronic whiteboard service equipment provides the electronic whiteboard service, the service that electronic whiteboard service use equipment uses the electronic whiteboard service equipment to provide, operations such as the registration of control center's control service, mandate.
In the present embodiment, the electronic whiteboard service equipment is PC or the notebook that connects electronic whiteboard by communication interface.The service that the electronic whiteboard service equipment provides, can make the electronic whiteboard service use equipment as using local electronic whiteboard to use electronic whiteboard on other equipment, this electronic whiteboard service equipment provides a transparent access interface, and the electronic whiteboard service uses equipment can not consider that the position of electronic whiteboard just can use the electronic whiteboard service in the LAN (Local Area Network).
Control center is responsible for coordinating electronic whiteboard service equipment and user's operation, carries out the management of electronic whiteboard service, comprising functions such as registration, maintenance, mandate, monitoring.
Referring to Fig. 2,3,4,5, electronic whiteboard is served whole flow process and is comprised:
At first, electronic whiteboard service equipment, electronic whiteboard service use equipment, control center to register to the B protocol stack;
Control center passes through to the position at B protocol stack inquiry electronic whiteboard service equipment place, information such as IP address, and the electronic whiteboard service uses equipment whether to have the electronic whiteboard service equipment at present to control center's inquiry.
If there is the electronic whiteboard service equipment, and the user wishes to use the electronic whiteboard service, can send the message bag that a request is used to control center so, behind the message bag that control center's request of receiving is used, to the ISP electronic whiteboard services request is proposed, if the electronic whiteboard service equipment can provide service at present, it is just to message bag that allows use of control center's feedback so, send to message bag that allows use of user by control center then, otherwise, just send the message bag that a refusal uses.If the user receives the message bag that allows use, the electronic whiteboard service equipment just can all directly send to the user to the state of electronic whiteboard and data.
After the network equipment of use electronic whiteboard service had received the message bag that allows to use, acquiescence was read-only authority.The authority of Xiu Gaiing can send the message bag that authority is revised in an application to control center if desired, and control center's decision allows or refusal then, feeds back this message bag simultaneously.
In sum: the specific implementation method of electronic whiteboard service is:
The electronic whiteboard service equipment is realized the electronic whiteboard sharing functionality; Control center realizes managing electronic blank sharing functionality; Electronic whiteboard service use equipment uses the electronic whiteboard sharing functionality.And all functions all adopt the B agreement to encapsulate, and provide out with the form of serving, and so just can realize standardized far call.
Three functions of the present invention are based on the real-time standard of present Internet---and TCP/IP realizes; Above-mentioned three kind equipments can simply be divided into client and service end (electronic whiteboard service equipment and user), realize the electronic whiteboard sharing functionality, and therefore, in the present embodiment, the message pack arrangement design between them is as follows:
A complete message comprises message declaratives and message text two parts; The message declaratives comprise: the length of whole message and the type of message; Message text partly comprises: order and bid value.Wherein, the message declaratives are 8 byte longs, and the 0-3 byte is the long integer of double word, are used for depositing the length (L) of whole message, and the 4th byte is used for depositing the type T of message, and the 5-7 byte keeps.The length of message text part is (L-8) byte long.If the value of the type T of message is 0x01 (content of promptly representing message text is order), at this moment the length of body part is 4 bytes; If the type T of message is 0x02 (content of promptly representing message text is data), no matter be order or data, the length of body part all is the multiple of 4 bytes.
When the content of message text is order, the 0th byte representation order C, the 1st byte representation bid value V, the concrete implication of order C and bid value V is referring to table 1, and the 2nd, 3 bytes keep.
When the content of message text is data, dot information of per 4 byte representations.Wherein, the horizontal ordinate off-set value of the 0th, 1 byte representation point, the ordinate off-set value of the 2nd, 3 byte representation points.
Table 1
| Order C | Bid value V | Concrete implication |
| ??0x01 | ????0x00 | The service of inquiry electronic whiteboard |
| ??0x02 | ????0x00 | There is not the electronic whiteboard service |
| ????0x01 | There is the electronic whiteboard service | |
| ??0x03 | ????0x00 | Submit services request to |
| ??0x04 | ????0x00 | The granted service request |
| ????0x01 | The denial of service request | |
| ??0x05 | ????0x00 | Authority is revised in application |
| ??0x06 | ????0x00 | The modification authority grants an application |
| ????0x01 | The modification authority refuses an application |
It should be noted that at last: above embodiment only in order to the explanation the present invention and and unrestricted technical scheme described in the invention; Therefore, although this instructions has been described in detail the present invention with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the present invention; And all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the present invention, and it all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1, the shared method of a kind of electronic whiteboard network, it is characterized in that: the network equipment that uses the electronic whiteboard service is by control center's visit electronic whiteboard network server device, this electronic whiteboard network server device is connected with electronic whiteboard, and the access services of electronic whiteboard is provided; Be specially: the electronic whiteboard network server device is realized the electronic whiteboard sharing functionality, and sharing of control center's managing electronic blank uses the network equipment of electronic whiteboard service to use the electronic whiteboard sharing functionality.
2, the shared method of electronic whiteboard network according to claim 1, it is characterized in that: before the electronic whiteboard network is shared, use the network equipment, electronic whiteboard network server device and the control center of electronic whiteboard service to register to protocol stack earlier, that is: the network equipment or electronic whiteboard network server device or control center send a registration message bag to protocol stack, are fed back the message bag of success or not then by protocol stack.
3, the shared method of electronic whiteboard network according to claim 2 is characterized in that: described control center is used to coordinate the operation that the electronic whiteboard network is shared, and carries out the management of electronic whiteboard service; Specifically comprise: control center is by the position and the IP address information at protocol stack inquiry electronic whiteboard network server device place; And provide the electronic whiteboard network server device of current existence to the network equipment of corresponding use electronic whiteboard service according to query requests.
4, according to claim 1 or the shared method of 2 or 3 described electronic whiteboard networks, it is characterized in that: described control center also further provides the network equipment of use electronic whiteboard service and registration, maintenance, mandate, the monitoring function of electronic whiteboard network server device.
5, the shared method of electronic whiteboard network according to claim 1 is characterized in that: use the network equipment of electronic whiteboard service by the detailed process that control center visits the electronic whiteboard network server device to be:
Step 1: use the network equipment of electronic whiteboard service to send the message bag that request is used to control center;
Step 2: behind the message bag that control center's request of receiving is used, propose the electronic whiteboard services request to the electronic whiteboard network server device;
Step 3:, then allow the message bag of use to control center's feedback if the electronic whiteboard network server device can provide the electronic whiteboard share service;
Step 4: control center sends to the message bag that allows use to the network equipment that uses the electronic whiteboard service again; Execution in step 6;
Step 5:, then send the message bag that refusal uses if the electronic whiteboard network server device can not provide service;
Step 6: if use the network equipment of electronic whiteboard service to receive the message bag that allows use, then the electronic whiteboard network server device all directly sends to the network equipment that uses the electronic whiteboard service with the state and the data of electronic whiteboard.
6, the shared method of electronic whiteboard network according to claim 5 is characterized in that: use the detailed process of the network equipment visit electronic whiteboard network server device of electronic whiteboard service also further to comprise:
Step 7: use the network equipment of electronic whiteboard service to send the message bag that read-only authority is revised in application to control center, the message bag that control center will allow or refuse to revise feeds back to the network equipment of this use electronic whiteboard service.
7, according to claim 1 or the shared method of 2 or 3 or 5 or 6 described electronic whiteboard networks, it is characterized in that: the network equipment of described use electronic whiteboard service and electronic whiteboard network server device are based on operating system and procotol interconnection; Use the network equipment of electronic whiteboard service to comprise computing machine, server, PDA and mobile phone at least.
8, according to claim 2 or the shared method of 3 described electronic whiteboard networks, it is characterized in that: described protocol stack provides at least: the registration of the network equipment and service and searching, the connection of the network equipment, network control, the rights management of renting, calling and serving of network service.
9, according to claim 1 or the shared method of 2 or 3 or 5 or 6 described electronic whiteboard networks, it is characterized in that: described electronic whiteboard network server device is used to provide the transparent access of electronic whiteboard, specifically comprises: the power function that is provided for visiting electronic whiteboard; This function operation electronic whiteboard of application call in the network equipment of use electronic whiteboard service.
10, according to claim 5 or the shared method of 6 described electronic whiteboard networks, it is characterized in that: described message bag comprises message descriptive information and message text information at least; Wherein, the message descriptive information comprises at least: the length of whole message and the type information of message; Message text information comprises order and bid value at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031026680A CN1302410C (en) | 2003-02-13 | 2003-02-13 | Network sharing method for electronic whiteboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031026680A CN1302410C (en) | 2003-02-13 | 2003-02-13 | Network sharing method for electronic whiteboard |
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| Publication Number | Publication Date |
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| CN1521651A true CN1521651A (en) | 2004-08-18 |
| CN1302410C CN1302410C (en) | 2007-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB031026680A Expired - Lifetime CN1302410C (en) | 2003-02-13 | 2003-02-13 | Network sharing method for electronic whiteboard |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100365976C (en) * | 2004-09-15 | 2008-01-30 | 北京中星微电子有限公司 | Electronic white plate image sharing method based on content different comparison |
| CN100433736C (en) * | 2005-11-01 | 2008-11-12 | 中国移动通信集团公司 | The method of instant message data sharing |
| WO2009138004A1 (en) * | 2008-05-14 | 2009-11-19 | 华为技术有限公司 | Method, device and system for realizing the electronic whiteboard in an audio/video conference |
| CN102521216A (en) * | 2011-12-20 | 2012-06-27 | 安徽科大讯飞信息科技股份有限公司 | Object marking method applied to interactive multimedia equipment |
| CN102946386A (en) * | 2012-10-29 | 2013-02-27 | 中兴通讯股份有限公司 | Whiteboard sharing method and whiteboard sharing system for home network |
| CN104796390A (en) * | 2014-01-22 | 2015-07-22 | 华平信息技术（南昌）有限公司 | Electronic whiteboard whole-network synchronous undoing and recovering system and method thereof |
| CN119475290A (en) * | 2024-10-28 | 2025-02-18 | 广州朗国电子科技股份有限公司 | A multi-role management method, device, equipment and storage medium for electronic whiteboard |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1223530A3 (en) * | 2001-01-10 | 2004-12-15 | Fuji Photo Film Co., Ltd. | System and method for offering and sharing digital content |
| JP4359401B2 (en) * | 2001-03-12 | 2009-11-04 | 富士通株式会社 | Information distribution apparatus and information distribution method |
-
2003
- 2003-02-13 CN CNB031026680A patent/CN1302410C/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100365976C (en) * | 2004-09-15 | 2008-01-30 | 北京中星微电子有限公司 | Electronic white plate image sharing method based on content different comparison |
| CN100433736C (en) * | 2005-11-01 | 2008-11-12 | 中国移动通信集团公司 | The method of instant message data sharing |
| WO2009138004A1 (en) * | 2008-05-14 | 2009-11-19 | 华为技术有限公司 | Method, device and system for realizing the electronic whiteboard in an audio/video conference |
| CN101286865B (en) * | 2008-05-14 | 2010-11-10 | 华为技术有限公司 | Method, device and system for realizing electronic whiteboard in audio and video conference |
| CN102521216A (en) * | 2011-12-20 | 2012-06-27 | 安徽科大讯飞信息科技股份有限公司 | Object marking method applied to interactive multimedia equipment |
| CN102946386A (en) * | 2012-10-29 | 2013-02-27 | 中兴通讯股份有限公司 | Whiteboard sharing method and whiteboard sharing system for home network |
| CN104796390A (en) * | 2014-01-22 | 2015-07-22 | 华平信息技术（南昌）有限公司 | Electronic whiteboard whole-network synchronous undoing and recovering system and method thereof |
| CN104796390B (en) * | 2014-01-22 | 2017-12-19 | 华平信息技术（南昌）有限公司 | The system and method that a kind of electronic whiteboard the whole network is synchronously cancelled and recovered |
| CN119475290A (en) * | 2024-10-28 | 2025-02-18 | 广州朗国电子科技股份有限公司 | A multi-role management method, device, equipment and storage medium for electronic whiteboard |
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|---|---|
| CN1302410C (en) | 2007-02-28 |
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