CN105657387A - Projection method and projection system - Google Patents
Projection method and projection system Download PDFInfo
- Publication number
- CN105657387A CN105657387A CN201511024225.1A CN201511024225A CN105657387A CN 105657387 A CN105657387 A CN 105657387A CN 201511024225 A CN201511024225 A CN 201511024225A CN 105657387 A CN105657387 A CN 105657387A
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- projector
- equipment
- projection
- authority
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
- H04N21/2541—Rights Management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/3173—Constructional details thereof wherein the projection device is specially adapted for enhanced portability
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Databases & Information Systems (AREA)
- Projection Apparatus (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
The invention discloses a projection method and a projection system. The projection method comprises the steps: a first device transmits a projection request signal to a projector; the first device receives a projection permission signal transmitted by the projector and obtains a unique projection authority of the projector; the first device receives a projection authority canceling signal transmitted by the projector; a second device transmits a projection request signal to the projector; the second device receives a projection permission signal transmitted by the projector and obtains a unique projection authority of the projector. Compared with the prior art, the projection method and the projection system, provided by the invention, have the advantages that based on a wireless network, a device receiving the projection permission signal can obtain the unique projection authority, thereby avoiding the fact that output signals of the projector are mixed when multiple devices simultaneously transmit the projection request signals to the projector; the projection authority of the projector can be canceled by receiving the projection authority canceling signal, so that projection can be transferred to another device which obtains the unique projection authority, which provides convenience for locations with multiple projection users.
Description
Technical field
The present invention relates to projection field, particularly to a kind of projecting method based on wireless network and optical projection system.
Background technology
Projector, also known as scialyscope, be a kind of can by image or VIDEO PROJECTION equipment out, for instance can project on curtain, aspect user watch, be widely used in the occasions such as school, company, theater.
The projection pattern of present general projectors is generally adopted wired connection mode and connects computer, it would be desirable to the information of display is sent in projector, but the mode of this employing wired connection brings the place of much inconvenience. Such as be similar to the occasion such as meeting or speech, different participants speech in turn or different speaker when demonstrating in turn, it has to reconnection projector again and again.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the projection pattern of wired connection in prior art to cause to need the defect of the projection inconvenience such as projector of frequently plugging into the occasion comprising different projection user, it is provided that a kind of projecting method based on wireless network facilitating different user switching projection and optical projection system.
The present invention solves above-mentioned technical problem by following technical proposals:
A kind of projecting method, it is characterized in that, is applied to the first equipment in wireless network, the second equipment and projector, and described projecting method comprises the following steps:
Described first equipment sends projection request signal extremely described projector;
Described first equipment receives the projection enabling signal that described projector sends, and obtain described projector uniquely project authority;
Described first equipment receives the projection authority ring off signal that described projector sends, and described projection authority ring off signal uniquely projects authority for what release described projector;
Described second equipment sends projection request signal extremely described projector;
Described second equipment receives the projection enabling signal that described projector sends, and obtain described projector uniquely project authority.
In this programme, wireless network includes the first equipment, the second equipment and projector.First equipment sends projection request signal to projector, namely the first equipment initiates projection request to projector, when the first equipment receives the projection enabling signal that projector sends, first equipment obtain projector uniquely project authority, namely only have the first equipment can pass through projector and realize projection, generally, only the file in the first equipment can pass through projector out. Now, even if the miscellaneous equipment in wireless network sends projection request signal to projector, without receiving projection enabling signal, it is impossible to realize projection. But, when the first equipment receives the projection authority ring off signal that projector sends, unique projection authority of the projector that the first equipment obtains is released from. Now, the second equipment to projector send projection request signal, when the second equipment receive projector send projection enabling signal time, second equipment obtain projector uniquely project authority. It is to say, utilize the projecting method of this programme can realize wirelessly by the first equipment, unique projection authority of projector is switched to the second equipment, provide conveniently for the occasion comprising multiple projection user.
In this programme, the first equipment and the second equipment can be any intelligent terminal with radio function, for instance notebook computer, mobile phone and panel computer etc.
It is preferred that described first equipment is further comprising the steps of before receiving the projection authority ring off signal that described projector sends:
Described first equipment sends the first releasing request signal extremely described projector.
In this programme, when the first equipment actively sends the first releasing request signal to projector, projector sends projection authority ring off signal to the first equipment, uniquely projects authority with what release projector that the first equipment obtains.
Preferably, described first equipment receives the projection authority ring off signal of described projector transmission and includes: when described first equipment does not send content to be projected to described projector in preset time period, and described first equipment receives the projection authority ring off signal that described projector sends.
In this programme, when the first equipment in preset time period not to projector send content to be projected time, projector to first equipment send projection authority ring off signal, with release first equipment obtain projector uniquely project authority. Wherein, preset time period can by user's sets itself, for instance can be 5 minutes or half an hour etc.
It is preferred that described projecting method is also applied to the 3rd equipment in wireless network, described projecting method is further comprising the steps of:
Described 3rd equipment sends display request signal extremely described projector;
Described 3rd equipment receives the display enabling signal that described projector sends, and obtains the display authority of described projector;
The Current projection content that projector described in described 3rd equipment simultaneous display sends.
In this programme, wireless network also includes the 3rd equipment. 3rd equipment sends display request signal to projector, namely the 3rd equipment initiates display request to projector, when the 3rd equipment receives the display enabling signal that projector sends, 3rd equipment obtains the display authority of projector, now, the 3rd equipment can simultaneous display projector send Current projection content. The projecting method utilizing this programme can be realized the first equipment and be projected by projector, and the Current projection content of all right displaying projector of the 3rd equipment.
It is to say, user is not only by the content of projector viewing projection, it is also possible to watched the content of projector by the 3rd equipment, it is to avoid owing to the reasons such as position and distance cause the problem that user cannot see the project content of projector clearly.
It is preferred that further comprising the steps of after the display authority of the described 3rd equipment described projector of acquisition:
Described 3rd equipment receives the display authority ring off signal that described projector sends, and described display authority ring off signal is for releasing the display authority of described 3rd equipment;
Described 3rd equipment sends projection request signal extremely described projector.
In this programme, when the 3rd equipment receives the display authority ring off signal that projector sends, the display authority of the projector that the 3rd equipment obtains is released from. Now, the 3rd equipment to projector initiate projection request, if the 3rd equipment receive projector send projection enabling signal, then the 3rd equipment obtain projector uniquely project authority. It is to say, the 3rd equipment relieving the display authority of projector can also regain projector uniquely project authority, i.e. the 3rd equipment being previously used for display project content may be used for projection after releasing display authority.
It is preferred that described 3rd equipment is further comprising the steps of before receiving the display authority ring off signal that described projector sends:
Described 3rd equipment sends the second releasing request signal extremely described projector.
In this programme, when the 3rd equipment actively sends the second releasing request signal to projector, projector sends display authority ring off signal to the 3rd equipment, to release the display authority of the projector that the 3rd equipment obtains.
The present invention also provides for a kind of optical projection system, and it is characterized in that, including the first equipment in wireless network, the second equipment and projector,
Described first equipment is used for sending projection request signal extremely described projector;
Described first equipment for receiving the projection enabling signal that described projector sends, and obtain described projector uniquely project authority;
Described first equipment is for receiving the projection authority ring off signal that described projector sends, and described projection authority ring off signal uniquely projects authority for what release described first equipment;
Described second equipment is used for sending projection request signal extremely described projector;
Described second equipment for receiving the projection enabling signal that described projector sends, and obtain described projector uniquely project authority.
It is preferred that before the projection authority ring off signal of described first equipment reception described projector transmission,
Described first equipment is used for sending the first releasing request signal extremely described projector.
It is preferred that when described first equipment for not sending content to be projected to described projector in preset time period, receive the projection authority ring off signal that described projector sends.
It is preferred that described optical projection system also includes the 3rd equipment in wireless network,
Described 3rd equipment is used for sending display request signal extremely described projector;
Described 3rd equipment is for receiving the display enabling signal that described projector sends, and obtains the display authority of described projector;
The Current projection content that described 3rd equipment projector described in simultaneous display sends.
It is preferred that after the display authority of the described 3rd equipment described projector of acquisition,
Described 3rd equipment is for receiving the display authority ring off signal that described projector sends, and described display authority ring off signal is for releasing the display authority of described 3rd equipment;
Described 3rd equipment is used for sending projection request signal extremely described projector.
It is preferred that before the display authority ring off signal of described 3rd equipment reception described projector transmission,
Described 3rd equipment is used for sending the second releasing request signal extremely described projector.
Meeting on the basis of this area general knowledge, above-mentioned each optimum condition, can combination in any, obtain the preferred embodiments of the invention.
The actively progressive effect of the present invention is in that: compared with prior art, the projecting method of the present invention is based on wireless network, what the equipment receiving projection enabling signal was obtained in that projector uniquely projects authority, avoid multiple equipment and send projection request signal to projector thus causing the confusion of projector output signal simultaneously, and the projection authority ring off signal sent by receiving projector uniquely projects authority with what release projector, make to project and be switched to other equipment obtaining unique projection authority, provide many convenience for the occasion comprising multiple projection user.
Accompanying drawing explanation
Fig. 1 is the flow chart of projecting method in the embodiment of the present invention 1.
Fig. 2 is the flow chart of projecting method in the embodiment of the present invention 3.
Fig. 3 is the flow chart of projecting method in the embodiment of the present invention 4.
Fig. 4 is the flow chart of projecting method in the embodiment of the present invention 5.
Detailed description of the invention
Mode by the examples below further illustrates the present invention, but does not therefore limit the present invention among described scope of embodiments.
Embodiment 1
The present embodiment provides a kind of projecting method, is applied to the first equipment in wireless network, the second equipment and projector, as it is shown in figure 1, described projecting method comprises the following steps:
Step 101, described first equipment send projection request signal extremely described projector;
Step 102, described first equipment receive the projection enabling signal that described projector sends, and obtain described projector uniquely project authority;
Step 103, described first equipment receive the projection authority ring off signal that described projector sends;
Wherein, described projection authority ring off signal uniquely projects authority for what release described projector;
Step 104, described second equipment send projection request signal extremely described projector;
Step 105, described second equipment receive the projection enabling signal that described projector sends, and obtain described projector uniquely project authority.
In the present embodiment, wireless network includes the first equipment, the second equipment and projector. Wherein, the first equipment and the second equipment can be any intelligent terminal with radio function, for instance notebook computer, mobile phone and panel computer etc.
First equipment sends projection request signal to projector, namely the first equipment initiates projection request to projector, when the first equipment receives the projection enabling signal that projector sends, first equipment obtain projector uniquely project authority, namely only have the first equipment can pass through projector and realize projection, generally, only the file in the first equipment can pass through projector out. Now, even if the miscellaneous equipment in wireless network sends projection request signal to projector, without receiving projection enabling signal, it is impossible to realize projection. But, when the first equipment receives the projection authority ring off signal that projector sends, unique projection authority of the projector that the first equipment obtains is released from. Now, the second equipment to projector send projection request signal, when the second equipment receive projector send projection enabling signal time, second equipment obtain projector uniquely project authority. It is to say, utilize the projecting method of the present embodiment can realize wirelessly by the first equipment, unique projection authority of projector is switched to the second equipment, provide conveniently for the occasion comprising multiple projection user.
Giving an example, an occasion of giving a lecture, speaker A needs to utilize notebook computer to spectators' PowerPoint, and speaker B needs to utilize mobile phone to spectators' demonstration video. Wherein, the notebook computer of speaker A and the mobile phone of speaker B are all wirelessly connected with projector. Speaker A sends projection request signal by notebook computer to projector, when notebook computer receives the projection enabling signal that projector sends, notebook computer obtain projector uniquely project authority, now speaker A can by the PowerPoint in notebook computer by projector out, watch for spectators. When the notebook computer of speaker A receives the projection authority ring off signal that projector sends, unique projection authority of the projector that notebook computer obtains is released from.Now, speaker B by mobile phone to projector send projection request signal, when mobile phone receive projector send projection enabling signal time, mobile phone obtain projector uniquely project authority, now speaker B can by the demonstration video in mobile phone by projector out, watch for spectators.
Utilize the projecting method of the present embodiment, speaker A and speaker B can switch the projection authority of projector easily.
The present embodiment also provides for a kind of optical projection system, including the first equipment in wireless network, the second equipment and projector.
Described first equipment is used for sending projection request signal extremely described projector;
Described first equipment for receiving the projection enabling signal that described projector sends, and obtain described projector uniquely project authority;
Described first equipment is for receiving the projection authority ring off signal that described projector sends, and described projection authority ring off signal uniquely projects authority for what release described first equipment;
Described second equipment is used for sending projection request signal extremely described projector;
Described second equipment for receiving the projection enabling signal that described projector sends, and obtain described projector uniquely project authority. Embodiment 2
The present embodiment provides a kind of projecting method, is distinctive in that with projecting method in embodiment 1:
In the projecting method of the present embodiment, when described first equipment sends the first releasing request signal to described projector, or, when described first equipment does not send content to be projected to described projector in preset time period, described first equipment receives the projection authority ring off signal that described projector sends.
In the present embodiment, when the first equipment actively sends the first releasing request signal to projector, or, when the first equipment does not send content to be projected to projector in preset time period, projector to first equipment send projection authority ring off signal, with release first equipment obtain projector uniquely project authority.
Wherein, preset time period can by user's sets itself, for instance can be 5 minutes or half an hour etc.
The present embodiment also provides for a kind of optical projection system, is distinctive in that with optical projection system in embodiment 1:
In the optical projection system of the present embodiment, when described first equipment sends the first releasing request signal to described projector, or, when described first equipment does not send content to be projected to described projector in preset time period, described first equipment is for receiving the projection authority ring off signal that described projector sends.
Embodiment 3
The present embodiment provides a kind of projecting method, is applied to the first equipment in wireless network, the 3rd equipment and projector, as in figure 2 it is shown, described projecting method comprises the following steps:
Step 201, described first equipment send projection request signal extremely described projector;
Step 202, described first equipment receive the projection enabling signal that described projector sends, and obtain described projector uniquely project authority;
Step 203, described 3rd equipment send display request signal extremely described projector;
Step 204, described 3rd equipment receive the display enabling signal that described projector sends, and obtain the display authority of described projector;
The Current projection content that projector described in step 205, described 3rd equipment simultaneous display sends.
In the present embodiment, wireless network includes the first equipment, the 3rd equipment and projector. After the first equipment obtains unique projection authority of projector, 3rd equipment sends display request signal to projector, namely the 3rd equipment initiates display request to projector, when the 3rd equipment receives the display enabling signal that projector sends, 3rd equipment obtains the display authority of projector, now, the 3rd equipment can simultaneous display projector send Current projection content.The projecting method utilizing the present embodiment can be realized the first equipment and be projected by projector, and the Current projection content of all right displaying projector of the 3rd equipment. It is to say, user is not only by the content of projector viewing projection, it is also possible to watched the content of projector by the 3rd equipment, it is to avoid owing to the reasons such as position and distance cause the problem that user cannot see the project content of projector clearly.
Giving an example, a large-scale speech occasion, speaker C needs to utilize notebook computer to spectators' PowerPoint, and spectators D does not see the project content of projector due to distance problem. Wherein, the notebook computer of speaker C and the mobile phone of spectators D are all wirelessly connected with projector. Speaker C sends projection request signal by notebook computer to projector, when notebook computer receives the projection enabling signal that projector sends, notebook computer obtain projector uniquely project authority, now speaker C can by the PowerPoint in notebook computer by projector out, watch for spectators. Spectators D sends display request signal by mobile phone to projector, when the mobile phone of spectators D receives the display enabling signal that projector sends, the mobile phone of spectators D obtains the display authority of projector, and now the mobile phone of spectators D can the Current projection content that sends of simultaneous display projector.
Utilizing the projecting method of the present embodiment, spectators D can pass through the project content of the mobile phone viewing projector of oneself, is greatly improved the effect of speech.
The present embodiment also provides for a kind of optical projection system, including the first equipment in wireless network, the 3rd equipment and projector.
Described first equipment is used for sending projection request signal extremely described projector;
Described first equipment for receiving the projection enabling signal that described projector sends, and obtain described projector uniquely project authority;
Described 3rd equipment is used for sending display request signal extremely described projector;
Described 3rd equipment is for receiving the display enabling signal that described projector sends, and obtains the display authority of described projector;
The Current projection content that described 3rd equipment projector described in simultaneous display sends.
Embodiment 4
The present embodiment provides a kind of projecting method, is applied to the first equipment in wireless network, the second equipment, the 3rd equipment and projector, as it is shown on figure 3, described projecting method comprises the following steps:
Step 301, described first equipment send projection request signal extremely described projector;
Step 302, described first equipment receive the projection enabling signal that described projector sends, and obtain described projector uniquely project authority;
Step 303, described first equipment receive the projection authority ring off signal that described projector sends;
Wherein, described projection authority ring off signal uniquely projects authority for what release described projector;
Step 304, described second equipment send projection request signal extremely described projector;
Step 305, described second equipment receive the projection enabling signal that described projector sends, and obtain described projector uniquely project authority;
Step 306, described 3rd equipment send display request signal extremely described projector;
Step 307, described 3rd equipment receive the display enabling signal that described projector sends, and obtain the display authority of described projector;
The Current projection content that projector described in step 308, described 3rd equipment simultaneous display sends.
Give a concrete illustration below and the projecting method of the present embodiment is described.
Assuming a large-scale speech occasion, speaker E needs to utilize notebook computer to spectators' PowerPoint, and speaker F needs to utilize mobile phone to spectators' demonstration video, and spectators G does not see the project content of projector due to distance problem.
The notebook computer of speaker E, the mobile phone of speaker F and the mobile phone of spectators G are all wirelessly connected with projector, speaker E sends projection request signal by notebook computer to projector, when notebook computer receives the projection enabling signal that projector sends, notebook computer obtain projector uniquely project authority, now speaker E can by the PowerPoint in notebook computer by projector out, watch for spectators.
When the notebook computer of speaker E receives the projection authority ring off signal that projector sends, unique projection authority of the projector that notebook computer obtains is released from. Now, speaker F sends projection request signal by mobile phone to projector, when the mobile phone of speaker F receives the projection enabling signal that projector sends, what the mobile phone of speaker F obtained projector uniquely projects authority, now speaker F can by the demonstration video in mobile phone by projector out, watch for spectators.
Spectators G sends display request signal by mobile phone to projector, when the mobile phone of spectators G receives the display enabling signal that projector sends, the mobile phone of spectators G obtains the display authority of projector, and now the mobile phone of spectators G can the Current projection content that sends of simultaneous display projector.
The projecting method utilizing the present embodiment can realize wirelessly by the first equipment, unique projection authority of projector is switched to the second equipment, occasion for comprising multiple projection user provides conveniently, meanwhile, the Current projection content of all right displaying projector of the 3rd equipment. It is to say, user is not only by the content of projector viewing projection, it is also possible to watched the content of projector by the 3rd equipment, it is to avoid owing to the reasons such as position and distance cause the problem that user cannot see the project content of projector clearly.
The present embodiment also provides for a kind of optical projection system, including the first equipment in wireless network, the second equipment, the 3rd equipment and projector.
Described first equipment is used for sending projection request signal extremely described projector;
Described first equipment for receiving the projection enabling signal that described projector sends, and obtain described projector uniquely project authority;
Described first equipment is for receiving the projection authority ring off signal that described projector sends, and described projection authority ring off signal uniquely projects authority for what release described projector;
Described second equipment is used for sending projection request signal extremely described projector;
Described second equipment for receiving the projection enabling signal that described projector sends, and obtain described projector uniquely project authority;
Described 3rd equipment is used for sending display request signal extremely described projector;
Described 3rd equipment is for receiving the display enabling signal that described projector sends, and obtains the display authority of described projector;
The Current projection content that described 3rd equipment projector described in simultaneous display sends.
Embodiment 5
The present embodiment provides a kind of projecting method, is distinctive in that with projecting method in embodiment 4: in example 4 after the step 308 of projecting method, and the projecting method in the present embodiment is further comprising the steps of, as shown in Figure 4:
Step 309, described 3rd equipment send the second releasing request signal extremely described projector;
Step 310, described 3rd equipment receive the display authority ring off signal that described projector sends;
Wherein, described display authority ring off signal is for releasing the display authority of described 3rd equipment;
Step 311, described 3rd equipment send projection request signal extremely described projector.
In the present embodiment, when the 3rd equipment actively sends the second releasing request signal to projector, projector sends display authority ring off signal to the 3rd equipment, to release the display authority of the projector that the 3rd equipment obtains. Now, the 3rd equipment to projector initiate projection request, if the 3rd equipment receive projector send projection enabling signal, then the 3rd equipment obtain projector uniquely project authority. It is to say, the 3rd equipment relieving the display authority of projector can also regain projector uniquely project authority, i.e. the 3rd equipment being previously used for display project content may be used for projection after releasing display authority.
Give a concrete illustration below and the projecting method of the present embodiment is described.
On the basis of embodiment 4 example, spectators G sends the second releasing request signal by mobile phone to projector, and when the mobile phone of spectators G receives the display authority ring off signal that projector sends, spectators G obtains the display authority of projector and is released from. Spectators G initiates projection request by mobile phone to projector, but, now unique projection authority of projector belongs to the mobile phone of speaker F, and therefore the mobile phone of spectators G will not receive the projection enabling signal that projector sends, and namely will not obtain the projection authority of projector.
But, if unique projection authority of the projector that the mobile phone of speaker F obtains is released from, then the mobile phone of spectators G can receive the projection enabling signal that projector sends, what namely obtain projector uniquely projects authority, it is to say, the mobile phone being previously used for the spectators G of display project content can be also used for projection after releasing display authority.
The present embodiment also provides for a kind of optical projection system, it is distinctive in that with optical projection system in embodiment 4: in example 4 on the basis of optical projection system, in the optical projection system of the present embodiment, after the Current projection content that projector described in described 3rd equipment simultaneous display sends:
Described 3rd equipment is used for sending the second releasing request signal extremely described projector;
Described 3rd equipment is for receiving the display authority ring off signal that described projector sends, and described display authority ring off signal is for releasing the display authority of described 3rd equipment;
Described 3rd equipment is used for sending projection request signal extremely described projector.
It should be noted that the first equipment in above-described embodiment, the second equipment and the 3rd equipment, it is possible to for following any one or multiple: the equipment such as smart mobile phone, panel computer, the notebook computer with wireless network card function; And projector should possess wireless communication function, concrete: this projector can integrated wireless communication module; Or, it is possible to connect the wireless communication module of peripheral hardware.
Wherein, the said equipment and projector can realize network connection by the wireless access way such as bluetooth, WIFI. Connecting to realize network, this optical projection system can also include focus access device, for instance, the equipment such as wireless router;
It should be noted that above-described embodiment gives the first equipment, the second equipment, the 3rd equipment and four equipment of projector according only to the role definition of each equipment. In the process being embodied as, it is possible to introduce the equipment of varying number according to different demands, each embodiment of the present invention is defined not for number of devices.
Although the foregoing describing the specific embodiment of the present invention, it will be appreciated by those of skill in the art that these are merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is under the premise without departing substantially from principles of the invention and essence, it is possible to these embodiments are made various changes or modifications, but these change and amendment each falls within protection scope of the present invention.
Claims (12)
1. a projecting method, it is characterised in that being applied to the first equipment in wireless network, the second equipment and projector, described projecting method comprises the following steps:
Described first equipment sends projection request signal extremely described projector;
Described first equipment receives the projection enabling signal that described projector sends, and obtain described projector uniquely project authority;
Described first equipment receives the projection authority ring off signal that described projector sends, and described projection authority ring off signal uniquely projects authority for what release described projector;
Described second equipment sends projection request signal extremely described projector;
Described second equipment receives the projection enabling signal that described projector sends, and obtain described projector uniquely project authority.
2. projecting method as claimed in claim 1, it is characterised in that described first equipment is further comprising the steps of before receiving the projection authority ring off signal that described projector sends:
Described first equipment sends the first releasing request signal extremely described projector.
3. projecting method as claimed in claim 1, it is characterized in that, described first equipment receives the projection authority ring off signal of described projector transmission and includes: when described first equipment does not send content to be projected to described projector in preset time period, and described first equipment receives the projection authority ring off signal that described projector sends.
4. projecting method as claimed in claim 1, it is characterised in that described projecting method is also applied to the 3rd equipment in wireless network, and described projecting method is further comprising the steps of:
Described 3rd equipment sends display request signal extremely described projector;
Described 3rd equipment receives the display enabling signal that described projector sends, and obtains the display authority of described projector;
The Current projection content that projector described in described 3rd equipment simultaneous display sends.
5. projecting method as claimed in claim 4, it is characterised in that further comprising the steps of after the display authority of the described 3rd equipment described projector of acquisition:
Described 3rd equipment receives the display authority ring off signal that described projector sends, and described display authority ring off signal is for releasing the display authority of described 3rd equipment;
Described 3rd equipment sends projection request signal extremely described projector.
6. projecting method as claimed in claim 5, it is characterised in that described 3rd equipment is further comprising the steps of before receiving the display authority ring off signal that described projector sends:
Described 3rd equipment sends the second releasing request signal extremely described projector.
7. an optical projection system, it is characterised in that include the first equipment in wireless network, the second equipment and projector,
Described first equipment is used for sending projection request signal extremely described projector;
Described first equipment for receiving the projection enabling signal that described projector sends, and obtain described projector uniquely project authority;
Described first equipment is for receiving the projection authority ring off signal that described projector sends, and described projection authority ring off signal uniquely projects authority for what release described first equipment;
Described second equipment is used for sending projection request signal extremely described projector;
Described second equipment for receiving the projection enabling signal that described projector sends, and obtain described projector uniquely project authority.
8. optical projection system as claimed in claim 7, it is characterised in that before described first equipment receives the projection authority ring off signal that described projector sends,
Described first equipment is used for sending the first releasing request signal extremely described projector.
9. optical projection system as claimed in claim 7, it is characterised in that when described first equipment for not sending content to be projected to described projector in preset time period, receive the projection authority ring off signal that described projector sends.
10. optical projection system as claimed in claim 7, it is characterised in that described optical projection system also includes the 3rd equipment in wireless network,
Described 3rd equipment is used for sending display request signal extremely described projector;
Described 3rd equipment is for receiving the display enabling signal that described projector sends, and obtains the display authority of described projector;
The Current projection content that described 3rd equipment projector described in simultaneous display sends.
11. optical projection system as claimed in claim 10, it is characterised in that after described 3rd equipment obtains the display authority of described projector,
Described 3rd equipment is for receiving the display authority ring off signal that described projector sends, and described display authority ring off signal is for releasing the display authority of described 3rd equipment;
Described 3rd equipment is used for sending projection request signal extremely described projector.
12. optical projection system as claimed in claim 11, it is characterised in that before described 3rd equipment receives the display authority ring off signal that described projector sends,
Described 3rd equipment is used for sending the second releasing request signal extremely described projector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511024225.1A CN105657387A (en) | 2015-12-30 | 2015-12-30 | Projection method and projection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN109379332A (en) * | 2018-09-08 | 2019-02-22 | 北京爱视界科技有限公司 | Multi-screen interactive display methods |
| CN109660776A (en) * | 2017-10-11 | 2019-04-19 | 深圳市炬力北方微电子有限公司 | Optical projection system, mediating device, communication device and conference control method |
| CN109753208A (en) * | 2017-11-06 | 2019-05-14 | 北京仁光科技有限公司 | A kind of intelligent meeting method and intelligent meeting system |
| CN113452979A (en) * | 2021-07-08 | 2021-09-28 | 北京诚品快拍物联网科技股份有限公司 | Projector angle correction control system and method |
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