CN105812360A - Electronic whiteboard shared network conference system and method - Google Patents
Electronic whiteboard shared network conference system and method Download PDFInfo
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- CN105812360A CN105812360A CN201610130913.4A CN201610130913A CN105812360A CN 105812360 A CN105812360 A CN 105812360A CN 201610130913 A CN201610130913 A CN 201610130913A CN 105812360 A CN105812360 A CN 105812360A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
- H04L65/401—Support for services or applications wherein the services involve a main real-time session and one or more additional parallel real-time or time sensitive sessions, e.g. white board sharing or spawning of a subconference
- H04L65/4015—Support for services or applications wherein the services involve a main real-time session and one or more additional parallel real-time or time sensitive sessions, e.g. white board sharing or spawning of a subconference where at least one of the additional parallel sessions is real time or time sensitive, e.g. white board sharing, collaboration or spawning of a subconference
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0892—Network architectures or network communication protocols for network security for authentication of entities by using authentication-authorization-accounting [AAA] servers or protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
- H04L65/403—Arrangements for multi-party communication, e.g. for conferences
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The invention relates to an electronic whiteboard shared network conference system and method. The electronic whiteboard shared network conference system includes a tablet computer adopted as a server end and tablet computers adopted as client ends, wherein the client ends comprise a first client end and other client ends, the server end is connected with the client ends through a wireless local area network; the tablet computers are installed in control boxes made of an ABS material; the control boxes are provided with quadrilateral exhaust grooves; embedding grooves are formed in the control boxes; quadrilateral barrier blocks are erected in the exhaust grooves; and the barrier blocks are connected with the control boxes through a screw connection mode. With the electronic whiteboard shared network conference system and method adopted, the problem of low communication speed which is caused by a situation that monitoring personnel confirm the validity of an MAC address by means of an MAC address in a message, and thereafter send the massage, the problem of the inaccuracy of message communication caused by the disturbance of an external environment in an authentication period, the problem of the attachment of suspended particulate matter impurities onto the inner surfaces of the control boxes, and the problem of damage to the performance of the tablet computers in the control boxes caused by the suspended particulates in the prior art can be solved.
Description
Technical field
The invention belongs to electronic whiteboard technology field, be specifically related to netmeeting and the method for a kind of shared electronic whiteboard.
Background technology
Electronic whiteboard (Whiteboard, it is called for short blank) it is synchronous AC instrument important in cooperative operation system, so-called electronic whiteboard refers to the virtual common area of the electronic environment utilizing means of communication to set up, and makes the personnel being positioned at different location can adopt common " screen " call for Votes.Namely Web conference is that all of meeting participant all utilizes shared blank to speak for oneself, and the activity (as words input, drawing etc. operate) of any meeting participant can send in real time and be shown in the Sharing Whiteboard of other participants.
Netmeeting as shared electronic whiteboard, frequently include the panel computer as service end and the panel computer as client, wherein said client at least includes the first client and other client except described first client, the panel computer as service end and as the panel computer of client between often have with the information of message form, the i.e. communication of message, at present between service end and client when message communicating, the panel computer handling the service end of message communicating obtains the message that the first client transmissions is come, message is contained within as other MAC Address needing to forward the panel computer of the client of message, also has the text of message, after monitoring personnel carry out certification by the MAC Address in message, message is transferred to the panel computer needing to forward the client of message;So may result in such defect: monitoring personnel by the MAC Address in message come certification MAC Address out of question after just send message, such communication speed is not high;Additionally during certification, the disturbance of external environment condition will also result in the inaccurate of message communicating.
ABS material is a kind of relatively new type material.Also it is popular fashion material, is mainly characterized by: other materials of comparing is relatively light, and surface ratio is more flexible, firm, shock-resistant, better the article of protection the inside.This ABS material is often used as the material of the control chamber placing panel computer, owing to during panel computer work, easy temperature raises, existing technology is often by the purpose reaching cooling unimpeded inside and outside the perforating of control chamber surface allows, but so also the particulate contaminant suspended can be attached in control chamber, and control chamber inside also can be produced infringement by the liquid particles suspended so that panel computer performance impairment.
Summary of the invention
It is an object of the invention to provide the netmeeting of a kind of shared electronic whiteboard and method, avoid monitoring personnel of the prior art by the MAC Address in message come certification MAC Address out of question after just send message, such communication speed is not high, during certification the disturbance of external environment condition will also result in that the particulate contaminant inaccurate, that suspend of message communicating can be attached in control chamber, control chamber inside also can be produced infringement and make the defect of panel computer performance impairment by the liquid particles suspended.
In order to overcome deficiency of the prior art, the invention provides the solution of the netmeeting of a kind of shared electronic whiteboard and method, specific as follows:
A kind of netmeeting of shared electronic whiteboard, panel computer as service end and the panel computer as client, wherein said client is at least included the first client and other client except described first client, described service end and client and is connected by WLAN (wifi);
Described panel computer is each arranged in the control chamber 101 being made up of ABS material, with the air discharge duct of tetragon on described control chamber 101, described control chamber 101 also has scarfing slot, described air discharge duct sets up the barrier blocks 102 of quadrilateral shape, described barrier blocks 102 is connected by screw connection manner with between control chamber 101, every limit of described barrier blocks 102 is respectively provided with a scarf joint 103, described scarf joint 103 is halved together with scarfing slot, described barrier blocks 102 has some through slots 104, the cover block 105 that can block or open through slot 104 is additionally put in barrier blocks 102 upstream;The both sides of described barrier blocks 102 are respectively provided with projecting block 106, and with the guide rail 107 that same cover block 105 is suitable on the wall in the described inner portion of projecting block 106, the both sides of described cover block 105 put in guide rail 107.
The method of the netmeeting sharing electronic whiteboard is that step is as follows:
The Android panel computer of service end receives the control request message for controlling the electronic whiteboard that described Web conference is shared that the first client belonging to consolidated network meeting sends, and authorizes described first client by the control of described electronic whiteboard;
Described service end receives the action message being operated generating that described first client sends to described electronic whiteboard, and described action message is sent to other client belonging to described Web conference, other client in described Web conference described action message is resolved after at locally displayed analysis result;
Otherwise for the panel computer as service end, its detailed process is:
Described service end Android panel computer receive belong to consolidated network meeting first client send for control described Web conference share electronic whiteboard control request message time, the described request message that controls comprises the MAC Address of the panel computer corresponding to client that action message refusal is sent to, so described service end receive described first client send described electronic whiteboard is operated the action message generated after, just this action message is sent to and eliminates the panel computer that the first client is corresponding with the remaining client after the MAC Address of the panel computer corresponding to the client that action message refusal is sent to;
Further, described service end Android panel computer receive belong to consolidated network meeting first client send for control described Web conference share electronic whiteboard control request message after:
(1) if getting the refuse information of the initial MAC Address with the panel computer as client setting number, just cancel towards as the client sending action message getting rid of the initial MAC Address with the panel computer as client setting number in the panel computer of client;
(2) if getting the refuse information of the follow-up MAC Address with the panel computer as client setting number, it is reduced by towards the byte number as the client sending action message getting rid of the follow-up MAC Address with the panel computer as client setting number in the panel computer of client;
And reduce towards as after getting rid of the byte number of client sending action message of the follow-up MAC Address with the panel computer as client setting number in the panel computer of client, also with:
If reducing the frequency towards the byte number as the client sending action message getting rid of the follow-up MAC Address with the panel computer as client setting number in the panel computer of client equal to when the threshold value set, just cancel towards follow-up set number transmit action message with the panel computer corresponding to the MAC Address as the panel computer of client;
Additionally, towards as be revoked in the panel computer of client transmission action message as corresponding to the MAC Address of the panel computer of client panel computer transmit enlightenment message, allow be revoked transmission action message can show this enlightenment message as the panel computer corresponding to the MAC Address of the panel computer of client;
It addition, described service end Android panel computer receive belong to consolidated network meeting first client send for control described Web conference share electronic whiteboard control request message before, also with:
Preset all panel computers as client each initial transmission action message be sized to set category;
Preset all panel computers as client each initial transmission action message be sized to set after category, possibly together with:
Set the idling cycle size of all panel computer previous transmission action messages as client and rear transmission action message part;
By idling cycle size, set category and the remaining period as the panel computer previous transmission action message of client to be this subtract each other as period of the size of the panel computer previous transmission action message of client with this as the big small category of the panel computer previous transmission action message of client after value;
By the big small category of the action message that idling cycle size, setting category and the remaining slot setup as the panel computer previous transmission action message of client transmit as after the panel computer of client time, contain:
If idling cycle size is not more than sets the value after category subtracts each other as remaining period of the action message of the panel computer previous transmission of client with each, just set each as the big small category of after the panel computer of client transmission action message be each as remaining period of the action message of the panel computer previous transmission of client and idling cycle and value;
If idling cycle size is more than setting the value after category subtracts each other as remaining period of the action message of the panel computer previous transmission of client with each, just setting each as the big small category of after the panel computer of client transmission action message is original setting category;
It addition, described method possibly together with:
Amount to the cycle size got and be not less than the number of the action message setting category, and be adjusted to the big small category of each action message set as the panel computer of client by the number amounted to;
Otherwise for the panel computer as client, its detailed process is:
(1) described first client sets the control request message for controlling the electronic whiteboard that described Web conference is shared of the MAC Address of the panel computer corresponding to client that action message refusal is sent to;
(2) panel computer as service end is transmitted the control request message for controlling the electronic whiteboard that described Web conference is shared of MAC Address with the panel computer corresponding to the action message client that is sent to of refusal, handles with this;
Additionally as corresponding to the MAC Address of the panel computer of client panel computer receive enlightenment message, allow be revoked transmission action message can show this enlightenment message as the panel computer corresponding to the MAC Address of the panel computer of client.
In a word, described service end Android panel computer receive belong to consolidated network meeting first client send for control described Web conference share electronic whiteboard control request message time, the described request message that controls comprises the MAC Address of the panel computer corresponding to client that action message refusal is sent to, so described service end receive described first client send described electronic whiteboard is operated the action message generated after, just this action message is sent to and eliminates the panel computer that the first client is corresponding with the remaining client after the MAC Address of the panel computer corresponding to the client that action message refusal is sent to, just can be real-time, handle the message communicating of some clients efficiently, greatly improve message and transmit effect.
Accompanying drawing explanation
Fig. 1 is the connection diagram of the netmeeting of the shared electronic whiteboard of the present invention.
Fig. 2 is the partial 3-D schematic diagram of the control chamber of the present invention.
Fig. 3 is the schematic diagram of the cover block of the present invention.
Fig. 4 is the structural representation of the barrier blocks of the present invention.
Fig. 5 is the structural representation that the cover block of the present invention opens through slot.
Fig. 6 is the structural representation that the cover block of the present invention blocks through slot.
Detailed description of the invention
Below in conjunction with drawings and Examples, summary of the invention is described further:
With reference to shown in Fig. 1-Fig. 6, the method for the netmeeting sharing electronic whiteboard is that step is as follows:
The Android panel computer of service end receives the control request message for controlling the electronic whiteboard that described Web conference is shared that the first client belonging to consolidated network meeting sends, and authorizes described first client by the control of described electronic whiteboard;
Described service end receives the action message being operated generating that described first client sends to described electronic whiteboard, and described action message is sent to other client belonging to described Web conference, other client in described Web conference described action message is resolved after at locally displayed analysis result;
Otherwise for the panel computer as service end, its detailed process is:
Described service end Android panel computer receive belong to consolidated network meeting first client send for control described Web conference share electronic whiteboard control request message time, the described request message that controls comprises the MAC Address of the panel computer corresponding to client that action message refusal is sent to, so described service end receive described first client send described electronic whiteboard is operated the action message generated after, just this action message is sent to and eliminates the panel computer that the first client is corresponding with the remaining client after the MAC Address of the panel computer corresponding to the client that action message refusal is sent to;
Further, described service end Android panel computer receive belong to consolidated network meeting first client send for control described Web conference share electronic whiteboard control request message after:
(1) if getting the refuse information of the initial MAC Address with the panel computer as client setting number, just cancel towards as the client sending action message getting rid of the initial MAC Address with the panel computer as client setting number in the panel computer of client;
(2) if getting the refuse information of the follow-up MAC Address with the panel computer as client setting number, it is reduced by towards the byte number as the client sending action message getting rid of the follow-up MAC Address with the panel computer as client setting number in the panel computer of client;
And reduce towards as after getting rid of the byte number of client sending action message of the follow-up MAC Address with the panel computer as client setting number in the panel computer of client, also with:
If reducing the frequency towards the byte number as the client sending action message getting rid of the follow-up MAC Address with the panel computer as client setting number in the panel computer of client equal to when the threshold value set, just cancel towards follow-up set number transmit action message with the panel computer corresponding to the MAC Address as the panel computer of client;
Additionally, towards as be revoked in the panel computer of client transmission action message as corresponding to the MAC Address of the panel computer of client panel computer transmit enlightenment message, allow be revoked transmission action message can show this enlightenment message as the panel computer corresponding to the MAC Address of the panel computer of client;
It addition, described service end Android panel computer receive belong to consolidated network meeting first client send for control described Web conference share electronic whiteboard control request message before, also with:
Preset all panel computers as client each initial transmission action message be sized to set category;
Preset all panel computers as client each initial transmission action message be sized to set after category, possibly together with:
Set the idling cycle size of all panel computer previous transmission action messages as client and rear transmission action message part;
By idling cycle size, set category and the remaining period as the panel computer previous transmission action message of client to be this subtract each other as period of the size of the panel computer previous transmission action message of client with this as the big small category of the panel computer previous transmission action message of client after value;
By the big small category of the action message that idling cycle size, setting category and the remaining slot setup as the panel computer previous transmission action message of client transmit as after the panel computer of client time, contain:
If idling cycle size is not more than sets the value after category subtracts each other as remaining period of the action message of the panel computer previous transmission of client with each, just set each as the big small category of after the panel computer of client transmission action message be each as remaining period of the action message of the panel computer previous transmission of client and idling cycle and value;
If idling cycle size is more than setting the value after category subtracts each other as remaining period of the action message of the panel computer previous transmission of client with each, just setting each as the big small category of after the panel computer of client transmission action message is original setting category;
It addition, described method possibly together with:
Amount to the cycle size got and be not less than the number of the action message setting category, and be adjusted to the big small category of each action message set as the panel computer of client by the number amounted to;
Otherwise for the panel computer as client, its detailed process is:
(1) described first client sets the control request message for controlling the electronic whiteboard that described Web conference is shared of the MAC Address of the panel computer corresponding to client that action message refusal is sent to;
(2) panel computer as service end is transmitted the control request message for controlling the electronic whiteboard that described Web conference is shared of MAC Address with the panel computer corresponding to the action message client that is sent to of refusal, handles with this;
Additionally as corresponding to the MAC Address of the panel computer of client panel computer receive enlightenment message, allow be revoked transmission action message can show this enlightenment message as the panel computer corresponding to the MAC Address of the panel computer of client.
In a word, described service end Android panel computer receive belong to consolidated network meeting first client send for control described Web conference share electronic whiteboard control request message time, the described request message that controls comprises the MAC Address of the panel computer corresponding to client that action message refusal is sent to, so described service end receive described first client send described electronic whiteboard is operated the action message generated after, just this action message is sent to and eliminates the panel computer that the first client is corresponding with the remaining client after the MAC Address of the panel computer corresponding to the client that action message refusal is sent to, just can be real-time, handle the message communicating of some clients efficiently, greatly improve message and transmit effect.
Share the netmeeting of electronic whiteboard, panel computer as service end and the panel computer as client, wherein said client is at least included the first client and other client except described first client, described service end and client and is connected by WLAN (wifi);
Described panel computer is each arranged in the control chamber 101 being made up of ABS material, with the air discharge duct of tetragon on described control chamber 101, described control chamber 101 also has scarfing slot, described air discharge duct sets up the barrier blocks 102 of quadrilateral shape, described barrier blocks 102 is connected by screw connection manner with between control chamber 101, every limit of described barrier blocks 102 is respectively provided with a scarf joint 103, described scarf joint 103 is halved together with scarfing slot, described barrier blocks 102 has some through slots 104, the cover block 105 that can block or open through slot 104 is additionally put in barrier blocks 102 upstream;The both sides of described barrier blocks 102 are respectively provided with projecting block 106, and with the guide rail 107 that same cover block 105 is suitable on the wall in the described inner portion of projecting block 106, the both sides of described cover block 105 put in guide rail 107.
Preferably, with arcuation block 108 on the lower end wall of described cover block 105, corresponding to some eyes 109 on the roof of described barrier blocks 102, described eye 109 forms strip distribution and remains distance each other.Described cover block 105 during movement, can break away from the impact of external action and migrate in the eye 109 of correspondence, and positions via eye 109 by arcuation block 108.
Preferably, described cover block 105 is installed with pull handle 110, described pull handle 110 is through cover block 105 and the roof and the diapire that stretch out cover block 105, and additionally with strip ditch road 111 in described barrier blocks 102, pull handle 110 puts in strip ditch road 111 through the parts of the diapire of cover block 105.
Preferably, described arcuation block 108 quantity is a pair, is each located on pull handle 110 both sides, and corresponding eye 109 also has two row, and described strip ditch road 111 is between two row eyes 109.
Warp is due to the added handicapping spacer block 102 of barrier blocks 102, and puts cover block 105 in barrier blocks 102 upstream, with through slot 104 in barrier blocks 102, via moving cover block 105, allows it block or opens through slot 104;Inside and outside just keeping when opening through slot 104, gas is unobstructed can lower the temperature, gas just it is prevented from unobstructed when blocking through slot 104, the particulate contaminant suspended and the drop of suspension cannot propagate into control chamber, additionally because with arcuation block 108 on the lower end wall of described cover block 105, additionally corresponding to some eyes 109 on the roof of described barrier blocks 102, the site allowing described cover block 105 can consolidate erection, block or open some through slots 104 with can choosing formula, more can realize demand flexibly.
The above, it it is only presently preferred embodiments of the present invention, not the present invention is done any pro forma restriction, although the present invention is disclosed above with preferred embodiment, but it is not limited to the present invention, any those skilled in the art, without departing within the scope of technical solution of the present invention, when the technology contents of available the disclosure above makes a little change or is modified to the Equivalent embodiments of equivalent variations, in every case it is without departing from technical solution of the present invention content, technical spirit according to the present invention, within the spirit and principles in the present invention, the any simple amendment that above example is made, equivalent replacement and improvement etc., all still fall within the protection domain of technical solution of the present invention.
Claims (5)
1. the netmeeting of a shared electronic whiteboard, it is characterized in that, including the panel computer as service end and the panel computer as client, wherein said client is at least included the first client and other client except described first client, described service end and client and is connected by WLAN (wifi);
Described panel computer is each arranged in the control chamber being made up of ABS material, with the air discharge duct of tetragon on described control chamber, described control chamber also has scarfing slot, described air discharge duct sets up the barrier blocks of quadrilateral shape, described barrier blocks is connected by screw connection manner with between control chamber, every limit of described barrier blocks is respectively provided with a scarf joint, described scarf joint is halved together with scarfing slot, described barrier blocks has some through slots, additionally puts the cover block that can block or open through slot in barrier blocks upstream;The both sides of described barrier blocks are respectively provided with projecting block, and with the guide rail that same cover block is suitable on the wall in portion in described projecting block, the both sides of described cover block put in guide rail.
2. the netmeeting of shared electronic whiteboard according to claim 1, it is characterized in that on the lower end wall of described cover block with arcuation block, accordingly with some eyes on the roof of described barrier blocks, described eye forms strip distribution and also remains distance each other.
3. the netmeeting of shared electronic whiteboard according to claim 1, it is characterized in that described cover block is installed with pull handle, described pull handle is through cover block and the roof and the diapire that stretch out cover block, additionally with strip ditch road in described barrier blocks, pull handle puts in strip ditch road through the parts of the diapire of cover block.
4. the netmeeting of shared electronic whiteboard according to claim 1, it is characterised in that described arcuation number of blocks is a pair, is each located on pull handle both sides, and corresponding eye also has two row, and described strip ditch road is between two row eyes.
5. the method for the netmeeting of shared electronic whiteboard according to claim 1 is, it is characterised in that step is as follows:
The Android panel computer of service end receives the control request message for controlling the electronic whiteboard that described Web conference is shared that the first client belonging to consolidated network meeting sends, and authorizes described first client by the control of described electronic whiteboard;
Described service end receives the action message being operated generating that described first client sends to described electronic whiteboard, and described action message is sent to other client belonging to described Web conference, other client in described Web conference described action message is resolved after at locally displayed analysis result;
Otherwise for the panel computer as service end, its detailed process is:
Described service end Android panel computer receive belong to consolidated network meeting first client send for control described Web conference share electronic whiteboard control request message time, the described request message that controls comprises the MAC Address of the panel computer corresponding to client that action message refusal is sent to, so described service end receive described first client send described electronic whiteboard is operated the action message generated after, just this action message is sent to and eliminates the panel computer that the first client is corresponding with the remaining client after the MAC Address of the panel computer corresponding to the client that action message refusal is sent to;
Further, described service end Android panel computer receive belong to consolidated network meeting first client send for control described Web conference share electronic whiteboard control request message after:
(1) if getting the refuse information of the initial MAC Address with the panel computer as client setting number, just cancel towards as the client sending action message getting rid of the initial MAC Address with the panel computer as client setting number in the panel computer of client;
(2) if getting the refuse information of the follow-up MAC Address with the panel computer as client setting number, it is reduced by towards the byte number as the client sending action message getting rid of the follow-up MAC Address with the panel computer as client setting number in the panel computer of client;
And reduce towards as after getting rid of the byte number of client sending action message of the follow-up MAC Address with the panel computer as client setting number in the panel computer of client, also with:
If reducing the frequency towards the byte number as the client sending action message getting rid of the follow-up MAC Address with the panel computer as client setting number in the panel computer of client equal to when the threshold value set, just cancel towards follow-up set number transmit action message with the panel computer corresponding to the MAC Address as the panel computer of client;
Additionally, towards as be revoked in the panel computer of client transmission action message as corresponding to the MAC Address of the panel computer of client panel computer transmit enlightenment message, allow be revoked transmission action message can show this enlightenment message as the panel computer corresponding to the MAC Address of the panel computer of client;
It addition, described service end Android panel computer receive belong to consolidated network meeting first client send for control described Web conference share electronic whiteboard control request message before, also with:
Preset all panel computers as client each initial transmission action message be sized to set category;
Preset all panel computers as client each initial transmission action message be sized to set after category, possibly together with:
Set the idling cycle size of all panel computer previous transmission action messages as client and rear transmission action message part;
By idling cycle size, set category and the remaining period as the panel computer previous transmission action message of client to be this subtract each other as period of the size of the panel computer previous transmission action message of client with this as the big small category of the panel computer previous transmission action message of client after value;
By the big small category of the action message that idling cycle size, setting category and the remaining slot setup as the panel computer previous transmission action message of client transmit as after the panel computer of client time, contain:
If idling cycle size is not more than sets the value after category subtracts each other as remaining period of the action message of the panel computer previous transmission of client with each, just set each as the big small category of after the panel computer of client transmission action message be each as remaining period of the action message of the panel computer previous transmission of client and idling cycle and value;
If idling cycle size is more than setting the value after category subtracts each other as remaining period of the action message of the panel computer previous transmission of client with each, just setting each as the big small category of after the panel computer of client transmission action message is original setting category;
It addition, described method possibly together with:
Amount to the cycle size got and be not less than the number of the action message setting category, and be adjusted to the big small category of each action message set as the panel computer of client by the number amounted to;
Otherwise for the panel computer as client, its detailed process is:
(1) described first client sets the control request message for controlling the electronic whiteboard that described Web conference is shared of the MAC Address of the panel computer corresponding to client that action message refusal is sent to;
(2) panel computer as service end is transmitted the control request message for controlling the electronic whiteboard that described Web conference is shared of MAC Address with the panel computer corresponding to the action message client that is sent to of refusal, handles with this;
Additionally as corresponding to the MAC Address of the panel computer of client panel computer receive enlightenment message, allow be revoked transmission action message can show this enlightenment message as the panel computer corresponding to the MAC Address of the panel computer of client.
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