CN109660776B - Projection system, intermediary device, communication device and conference control method - Google Patents
Projection system, intermediary device, communication device and conference control method Download PDFInfo
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- CN109660776B CN109660776B CN201710942252.XA CN201710942252A CN109660776B CN 109660776 B CN109660776 B CN 109660776B CN 201710942252 A CN201710942252 A CN 201710942252A CN 109660776 B CN109660776 B CN 109660776B
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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]
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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
- H04N9/3147—Multi-projection systems
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Abstract
The invention relates to a projection system, an intermediary device, a communication device and a conference control method, wherein the intermediary device carries out the following steps: receiving projection request information sent by a first communication device serving as a slave device, wherein the projection request information is generated by a first user by triggering a first key on the first communication device; controlling the projection equipment to output projection request information, and forwarding the projection request information to a second communication device serving as main equipment; receiving projection response information sent by the second communication device, wherein the projection response information is generated by a second user by triggering a second key on the second communication device; and controlling the projection equipment to perform corresponding projection according to the projection response information, and forwarding the projection response information to the first communication device. By implementing the technical scheme of the invention, the conference control function is realized, and the user of the master equipment can determine whether the projection of the slave equipment is allowed according to the actual situation, thereby improving the user experience.
Description
Technical Field
The present invention relates to the field of projection, and in particular, to a projection system, an intermediary device, a communication device, and a conference control method.
Background
The projection device is a device capable of projecting images or videos, for example, the device can be projected on a curtain or a wall, and can be watched by users, and the projection device is widely applied to occasions such as schools, companies, theaters and the like.
At present, the projection mode of a common projector generally adopts a wired connection mode to connect a computer, and information to be displayed is transmitted to the projector. However, the wired connection method brings many inconveniences, for example, in occasions like a meeting or a lecture, different participants need to speak in turn or different speakers need to demonstrate in turn, and at this time, the projector has to be frequently reconnected. Moreover, the existing projection system has no conference control function, and other users may access the projector at any time, so that the picture being projected is switched off, or the picture is displayed separately from the picture being displayed at present, which causes great interference to the user who is originally projecting, and the user experience is poor.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a projection system, an intermediary device, a communication device and a conference control method, aiming at the defect of poor user experience in the prior art, so as to improve the user experience.
The technical scheme adopted by the invention for solving the technical problems is as follows: a conference control method for constructing a projection system, the projection system comprising at least two output devices, a projection device, an intermediary device connected to the projection device, and communication devices connected to the output devices in a one-to-one correspondence, wherein the intermediary device performs the steps of:
the method comprises the steps that an intermediary device receives projection request information sent by a first communication device serving as a slave device, wherein the projection request information is generated by a first user through triggering a first key on the first communication device;
the intermediary device controls the projection equipment to output the projection request information and forwards the projection request information to a second communication device serving as main equipment;
the intermediary device receives the projection response information sent by the second communication device, wherein the projection response information is generated by a second user by triggering a second key on the second communication device;
and the intermediary device controls the projection equipment to perform corresponding projection according to the projection response information, and forwards the projection response information to the first communication device.
Preferably, the projection response information includes a projection permission flag and a projection mode, wherein the projection mode includes: exclusive full screen or split screen projection, and the step of controlling the projection device to perform corresponding projection according to the projection response information comprises:
judging whether projection is allowed according to the projection allowing mark;
and if the projection is allowed, controlling the projection equipment to perform corresponding projection according to the projection mode.
Preferably, the method further comprises the following steps:
the intermediary device receives a projection interruption request sent by a second communication device serving as a main device;
and the intermediary device controls the projection equipment to interrupt projection according to the projection interrupt request and sends the projection interrupt request to other communication devices serving as slave equipment.
Preferably, the method further comprises the following steps:
after the communication device is connected with the intermediary device, the intermediary device judges whether the communication device is a first accessed communication device;
if the communication device is the first accessed communication device, setting the communication device as a master device;
if the communication device is not the first accessed communication device, the communication device is set as the slave equipment.
Preferably, the method further comprises the following steps:
judging whether the communication device as the main equipment is disconnected;
if the connection is interrupted, a communication device is designated from the connected communication devices according to a preset rule, and the communication device is set as a master device.
The invention also constructs a conference control method of a projection system, the projection system comprises a projection device, at least two output devices, an intermediary device connected with the projection device and communication devices connected with the output devices in a one-to-one correspondence manner, and the first communication device as a slave device performs the following steps:
when a first user triggers a first key on a first communication device, the first communication device receives projection request information input by the first user;
the first communication device sends the projection request information to an intermediary device so that the intermediary device controls the projection equipment to output the projection request information, and forwards the projection request information to a second communication device serving as main equipment;
the first communication device receives projection response information forwarded by the intermediary device, wherein the projection response information is generated by a second user by triggering a second key on the second communication device and is sent to the intermediary device by the second communication device, and the projection response information is used for controlling the projection equipment to perform corresponding projection.
The invention also constructs a conference control method of a projection system, the projection system comprises a projection device, at least two output devices, an intermediary device connected with the projection device and communication devices connected with the output devices in a one-to-one correspondence manner, and a second communication device used as a main device carries out the following steps:
the second communication device receives projection request information forwarded by the intermediary device, wherein the projection request information is generated by a first user by triggering a first key on the first communication device and is sent to the intermediary device by the first communication device;
when a second user triggers a second key on a second communication device, the second communication device receives projection response information input by the second user;
and the second communication device sends the projection response information to the intermediary device so that the intermediary device controls the projection equipment to perform corresponding projection according to the projection response information and forwards the projection response information to the first communication device.
The invention also provides an intermediary device for conference control, which is applied to a projection system and comprises a first memory and a first processor, wherein the first memory stores a computer program, and the first processor is used for executing the computer program stored in the first memory and realizing the method.
The invention also provides a communication device for conference control, which is applied to a projection system and comprises a second memory and a second processor, wherein the second memory stores a computer program, and the second processor is used for executing the computer program stored in the second memory and realizing the method.
The invention also provides a communication device for conference control, which is applied to a projection system and comprises a third memory and a third processor, wherein the third memory stores a computer program, and the third processor is used for executing the computer program stored in the third memory and realizing the method.
The invention also constructs a projection system, which comprises a projection device and at least two output devices, and also comprises the intermediary device, the communication device used as the slave device and the communication device used as the master device.
When the communication device serving as the slave device has a projection requirement, the slave device user can trigger the first key on the slave device to input projection request information, the slave device forwards the projection request information to the communication device serving as the master device through the intermediary device, the master device user can trigger the second key on the master device to input projection response information, and the master device forwards the projection response information to the slave device through the intermediary device, so that a conference control function is realized, and the master device user can determine whether to allow the slave device to perform projection according to actual conditions, thereby improving user experience.
Drawings
In order to illustrate the embodiments of the invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the invention, and that other drawings may be derived from those drawings by a person skilled in the art without inventive effort. In the drawings:
FIG. 1 is a flow chart of a first embodiment of a conference control method for a projection system according to the present invention;
FIG. 2 is a flowchart of a second embodiment of a conference control method for a projection system according to the present invention;
FIG. 3 is a flowchart of a third embodiment of a conference control method for a projection system according to the present invention;
fig. 4 is a logical structure diagram of a projection system according to a first embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a flowchart of a first embodiment of a conference control method of a projection system according to the present invention, and first illustrates that the projection system includes at least two output devices, a projection device, an intermediary device connected to the projection device, and a communication device connected to the output devices in a one-to-one correspondence manner. The intermediary device is connected to the projection apparatus via the HDMI. Furthermore, the intermediary device can be connected with each communication device through WIFI and LAN, for example, the communication device and the intermediary device can be paired in advance, and after the output device is connected to the corresponding communication device through HDMI, DisplayPort, USB, and the like, the projection can be started by directly pressing the first key on the communication device without selecting which projection device to project to or setting WIFI or the like.
In this embodiment, after all the communication devices are connected to the intermediary device, the intermediary device performs the following steps:
s11, receiving projection request information sent by a first communication device serving as slave equipment by an intermediary device, wherein the projection request information is generated by a first user by triggering a first key on the first communication device;
in this step, it should be noted that each communication device is provided with at least two keys, one of the keys is used for starting/stopping projection, and the other key is used for conference control. It should be noted that each communication device is assigned a corresponding role after establishing a connection with the intermediary device: a master device (Host) or a slave device (Guest). In addition, only one communication device in one projection system is a master device, and the other communication devices are all slave devices, and the master device determines whether to allow the slave devices to perform projection, and of course, the master device can perform direct projection when projection is needed.
S12, the intermediary device controls the projection equipment to output the projection request information and forwards the projection request information to a second communication device serving as main equipment;
in this step, the intermediary device may control the projection device to display the projection request in the projected image after receiving the projection request sent by the first communication device, for example, output the projection request in a text manner, or output the projection request by blinking a signal lamp.
S13, the intermediary device receives the projection response information sent by the second communication device, wherein the projection response information is generated by a second user by triggering a second key on the second communication device;
in this step, after the user of the main device (the second communication device) sees the projection request displayed in the projection screen of the projection device, the user may trigger a second key on the second communication device to input projection response information, where the projection response information includes projection permission information or projection rejection information.
And S14, the intermediary device controls the projection equipment to perform corresponding projection according to the projection response information, and forwards the projection response information to the first communication device.
In this step, after the intermediary device receives the projection response message, if the second user inputs the projection permission message, the first communication device is permitted to send the display message output by the corresponding output device to the projection device, so that the message output by the first communication device is displayed in the projection picture. And if the second user inputs the projection rejection information, the first communication device is not allowed to transmit the display information output by the corresponding output equipment to the projection equipment.
In one embodiment, after viewing the projection request message, the second user may input a projection mode when the projection is allowed, in addition to inputting permission/rejection of projection through the second communication device. That is, the projection response information includes a projection permission flag and a projection mode, where the projection mode includes: exclusive full-screen or split-screen projection is performed, and in step S14, the step of controlling the projection device to perform corresponding projection according to the projection response information includes:
s141, judging whether projection is allowed according to the projection allowing mark;
in this step, for example, if the projection permission flag is 1, it indicates that projection is permitted; if the projection permission flag is 0, it indicates that the projection is rejected.
And S142, if the projection is allowed, controlling the projection equipment to perform corresponding projection according to the projection mode.
In this step, if the projection mode is exclusive of the full screen, the display information output by the first communication device is allowed to be exclusive of the whole screen, and the display information output by the second communication device which is currently projecting is covered; if the projection mode is split screen projection, the display information output by the first communication device and the display information output by the second communication device which is currently projecting are allowed to share the screen, that is, the projection picture of each communication device occupies a part of the whole projection screen.
Of course, it should be understood that in other embodiments, the intermediary device may be configured to automatically answer allow, exclusive full screen or split screen projection. If the automatic response permission is set, the second communication device as the main equipment does not receive the projection request information; if the display mode is set to monopolize the whole screen, the display information output by the first communication device which is allowed to monopolize the whole screen, and the picture which is being projected is interrupted.
In a specific embodiment, the method further comprises the following steps:
s15, the intermediary device receives a projection interruption request sent by a second communication device serving as the main equipment;
and S16, the intermediary device controls the projection equipment to interrupt projection according to the projection interrupt request, and sends the projection interrupt request to other communication devices serving as slave equipment.
In this embodiment, the second communication device as the master device is used to control interruption of the projection in addition to controlling whether the projection is allowed by the first communication device as the slave device. For example, in one application, the second user may input the projection interruption request by continuously clicking the first key on the second communication device twice, or the communication device is provided with a third key, the second user inputs the projection interruption request by triggering the third key on the second communication device, the second communication device sends the projection interruption request to the intermediary device, and the intermediary device controls the projection apparatus to clear the entire projection screen.
In one embodiment, roles may be assigned to a communication device by:
s101, after the communication device is connected with the intermediary device, the intermediary device judges whether the communication device is a first accessed communication device or not;
s102, if the first accessed communication device is the communication device, setting the communication device as a main device;
s103, if the communication device is not the first accessed communication device, setting the communication device as a slave device.
In this embodiment, the first communication device connected to the intermediary device is designated as the master, after which the communication device connected to the intermediary device is designated as the slave.
Further, when the communication device is assigned with the role, the following steps are carried out:
s104, judging whether the communication device serving as the main equipment is disconnected;
and S105, if the connection is interrupted, designating a communication device from the connected communication devices according to a preset rule, and setting the communication device as the main equipment.
In this embodiment, when the communication device as the master device and the intermediary device are disconnected, the intermediary device may re-designate one of the communication devices to become the master device according to the predetermined rule, for example, the second accessed communication device may be designated as the master device, or the projected communication device may be designated as the master device.
Fig. 2 is a flowchart of a second embodiment of a conference control method for a projection system according to the present invention, and first, it is described that the projection system includes at least two output devices, a projection device, an intermediary device connected to the projection device, and a communication device connected to the output devices in a one-to-one correspondence manner. The intermediary device is connected to the projection apparatus via the HDMI. Furthermore, the intermediary device can be connected with each communication device through WIFI and LAN, for example, the communication device and the intermediary device can be paired in advance, and after the output device is connected to the corresponding communication device through HDMI, DisplayPort, USB, and the like, the projection can be started by directly pressing the first key on the communication device without selecting which projection device to project to or setting WIFI or the like. It should be noted that each communication device is assigned a corresponding role after establishing a connection with the intermediary device: a master device (Host) or a slave device (Guest). In addition, only one communication device in one projection system is a master device, and other communication devices are slave devices, and the master device determines whether to allow the slave devices to perform projection.
In this embodiment, the first communication device as the slave performs the following steps:
s21, when a first user triggers a first key on a first communication device, the first communication device receives projection request information input by the first user;
in this step, it should be noted that each communication device is provided with at least two keys, one of the keys is used for starting/stopping projection, and the other key is used for conference control.
S22, the first communication device sends the projection request information to an intermediary device so that the intermediary device controls the projection equipment to output the projection request information, and forwards the projection request information to a second communication device serving as main equipment;
in this step, the intermediary device may control the projection device to display the projection request in the projected image after receiving the projection request sent by the first communication device, for example, output the projection request in a text manner, or output the projection request by blinking a signal lamp.
And S23, the first communication device receives projection response information forwarded by the intermediary device, wherein the projection response information is generated by a second user by triggering a second key on the second communication device and is sent to the intermediary device by the second communication device, and the projection response information is used for controlling the projection equipment to perform corresponding projection.
In this step, when the user of the main device (the second communication device) sees the projection request displayed in the projection screen of the projection device, the user can trigger the second key on the second communication device to input the projection response information and send the projection response information to the intermediary device. When the intermediary device receives the projection response information, if the second user inputs projection permission information, the first communication device is permitted to send the display information output by the corresponding output device to the projection device, and therefore the information output by the first communication device is displayed in the projection picture. And if the second user inputs the projection rejection information, the first communication device is not allowed to transmit the display information output by the corresponding output equipment to the projection equipment.
Fig. 3 is a flowchart of a second embodiment of a conference control method for a projection system according to the present invention, and first illustrates that the projection system includes at least two output devices, a projection device, an intermediary device connected to the projection device, and a communication device connected to the output devices in a one-to-one correspondence manner. The intermediary device is connected to the projection apparatus via the HDMI. Furthermore, the intermediary device can be connected with each communication device through WIFI and LAN, for example, the communication device and the intermediary device can be paired in advance, and after the output device is connected to the corresponding communication device through HDMI, DisplayPort, USB, and the like, the projection can be started by directly pressing the first key on the communication device without selecting which projection device to project to or setting WIFI or the like. It should be noted that each communication device is assigned a corresponding role after establishing a connection with the intermediary device: a master device (Host) or a slave device (Guest). In addition, only one communication device in one projection system is a master device, and other communication devices are slave devices, and the master device determines whether to allow the slave devices to perform projection.
In this embodiment, the second communication device as the master performs the following steps:
s31, the second communication device receives projection request information forwarded by the intermediary device, wherein the projection request information is generated by a first user by triggering a first key on the first communication device and is sent to the intermediary device by the first communication device;
in this step, it should be noted that each communication device is provided with at least two keys, one of the keys is used for starting/stopping projection, and the other key is used for conference control. When a first user triggers a first key on a first communication device, the first communication device receives projection request information input by the first user and sends the projection request information to an intermediary device, and after receiving the projection request sent by the first communication device, the intermediary device can control a projection device to display the projection request in a projected picture, for example, the projection request is output by characters or output by signal lamp flickering, and then the projection request information is forwarded to a second communication device serving as a main device.
S32, when the second user triggers a second key on the second communication device, the second communication device receives projection response information input by the second user;
in this step, after the user of the main device (the second communication device) sees the projection request displayed in the projection screen of the projection device, the user can trigger the second key on the second communication device to input the projection response information.
And S33, the second communication device sends the projection response information to an intermediary device so that the intermediary device controls the projection equipment to perform corresponding projection according to the projection response information and forwards the projection response information to the first communication device.
In this step, after the intermediary device receives the projection response message, if the second user inputs the projection permission message, the first communication device is permitted to send the display message output by the corresponding output device to the projection device, so that the message output by the first communication device is displayed in the projection picture. And if the second user inputs the projection rejection information, the first communication device is not allowed to transmit the display information output by the corresponding output equipment to the projection equipment.
Fig. 4 is a logical structure diagram of a first embodiment of the projection system of the present invention, the projection system of this embodiment includes: the projection device 10, the intermediary device 20, at least two output devices 40, 40 ' and the communication devices 30, 30 ' connected with the output devices 40, 40 ' in a one-to-one correspondence manner. In a specific example, the communication device may be connected to an output device through HDMI, DisplayPort, USB, or the like, and the output device may be a PC, or may be a handheld device such as a mobile phone. The intermediary device is connected to the projection device via HDMI, but may be embedded in the projection device. Furthermore, the intermediary device can be connected with each communication device through WIFI and LAN, for example, the communication device and the intermediary device can be paired in advance, and after the output device is connected to the corresponding communication device through HDMI, DisplayPort, USB, and the like, the projection can be started by directly pressing the first key on the communication device without selecting which projection device to project to or setting WIFI or the like. In addition, each communication device is assigned a corresponding role after establishing connection with the intermediary device: a master device or a slave device. In addition, only one communication device in one projection system is a master device, and other communication devices are slave devices, and the master device determines whether to allow the slave devices to perform projection.
In this embodiment, the intermediary device comprises a first memory storing the computer program and a first processor for executing the computer program stored in the first memory and implementing the method of the embodiment shown in fig. 1.
In this embodiment, the communication device as a slave device comprises a second memory in which the computer program is stored and a second processor for executing the computer program stored in the second memory and implementing the method of the embodiment shown in fig. 2.
In this embodiment, the communication device as the master device includes a third memory storing a computer program and a third processor for executing the computer program stored in the third memory and implementing the method shown in fig. 3.
Finally, it should be noted that, since the intermediary device can assign roles to each communication device according to a preset rule, for the same communication device, it can be used as a master at one time and a slave at another time, that is, one communication device can be used as both a master and a slave, and at this time, for the communication device, it has both the second memory and the third memory, and also has both the second processor and the third processor, that is, the second memory and the third memory are integrated into a memory, and the second processor and the third processor are integrated into a processor.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A conference control method of a projection system is characterized in that the projection system comprises at least two output devices, a projection device, an intermediary device connected with the projection device in a wired mode and communication devices connected with the output devices in a one-to-one corresponding mode, the intermediary device is in wireless connection with each communication device, the intermediary device and the communication devices are matched in advance, the output devices and the communication devices are in wired connection, after the communication devices are connected with the intermediary device, the intermediary device judges whether the communication devices are first accessed communication devices or not, if the communication devices are the first accessed communication devices, the communication devices are set as main devices, if the communication devices are not the first accessed communication devices, the communication devices are set as slave devices, and each communication device is provided with at least two keys, a button for starting/stopping projection, a button for conference control, and the intermediary apparatus performs the steps of:
the method comprises the steps that an intermediary device receives projection request information sent by a first communication device serving as a slave device, wherein the projection request information is generated by a first user through triggering a first key on the first communication device;
the intermediary device controls the projection equipment to output the projection request information, specifically controls the projection equipment to display the projection request information in a projected picture, and forwards the projection request information to a second communication device serving as a main device;
the intermediary device receives the projection response information sent by the second communication device, wherein the projection response information is generated by a second user by triggering a second key on the second communication device;
the intermediary device controls the projection equipment to perform corresponding projection according to the projection response information, and forwards the projection response information to the first communication device;
the projection system comprises a projection system, a communication device and a master device, wherein only one communication device in the projection system is a master device, other communication devices are slave devices, the master device determines whether the slave devices are allowed to perform projection, and the master device performs direct projection when projection is needed.
2. The conference control method of a projection system according to claim 1, wherein the projection response information includes a projection permission flag and a projection mode, wherein the projection mode includes: exclusive full screen or split screen projection, and the step of controlling the projection device to perform corresponding projection according to the projection response information comprises:
judging whether projection is allowed according to the projection allowing mark;
and if the projection is allowed, controlling the projection equipment to perform corresponding projection according to the projection mode.
3. The conference control method of a projection system according to claim 1, further comprising:
the intermediary device receives a projection interruption request sent by a second communication device serving as a main device;
and the intermediary device controls the projection equipment to interrupt projection according to the projection interrupt request and sends the projection interrupt request to other communication devices serving as slave equipment.
4. The conference control method of a projection system according to claim 1, further comprising:
judging whether the communication device as the main equipment is disconnected;
if the connection is interrupted, a communication device is designated from the connected communication devices according to a preset rule, and the communication device is set as a master device.
5. A conference control method of a projection system is characterized in that the projection system comprises a projection device, at least two output devices, an intermediary device connected with the projection device in a wired mode and communication devices connected with the output devices in a one-to-one corresponding mode, the intermediary device is in wireless connection with each communication device, the intermediary device and the communication devices are matched in advance, the output devices and the communication devices are in wired connection, after the communication devices are connected with the intermediary device, the intermediary device judges whether the communication devices are first accessed communication devices or not, if the communication devices are the first accessed communication devices, the communication devices are set as main devices, if the communication devices are not the first accessed communication devices, the communication devices are set as slave devices, and each communication device is provided with at least two keys, a button for starting/stopping projection, a button for conference control, and a first communication means as a slave device performing the steps of:
when a first user triggers a first key on a first communication device, the first communication device receives projection request information input by the first user;
the first communication device sends the projection request information to an intermediary device so that the intermediary device controls the projection equipment to output the projection request information, specifically controls the projection equipment to display the projection request information in a projected picture of the projection equipment, and forwards the projection request information to a second communication device serving as a main device;
the first communication device receives projection response information forwarded by the intermediary device, wherein the projection response information is generated by a second user by triggering a second key on the second communication device and is sent to the intermediary device by the second communication device, and the projection response information is used for controlling the projection equipment to perform corresponding projection;
the projection system comprises a projection system, a communication device and a master device, wherein only one communication device in the projection system is a master device, other communication devices are slave devices, the master device determines whether the slave devices are allowed to perform projection, and the master device performs direct projection when projection is needed.
6. A conference control method of a projection system is characterized in that the projection system comprises a projection device, at least two output devices, an intermediary device connected with the projection device in a wired mode and communication devices connected with the output devices in a one-to-one corresponding mode, the intermediary device is in wireless connection with each communication device, the intermediary device and the communication devices are matched in advance, the output devices and the communication devices are in wired connection, after the communication devices are connected with the intermediary device, the intermediary device judges whether the communication devices are first accessed communication devices or not, if the communication devices are the first accessed communication devices, the communication devices are set as main devices, if the communication devices are not the first accessed communication devices, the communication devices are set as slave devices, and each communication device is provided with at least two keys, a key for starting/stopping projection, a key for conference control, and the second communication means as a master performs the steps of:
the second communication device receives projection request information forwarded by the intermediary device, wherein the projection request information is generated by a first user by triggering a first key on the first communication device and is sent to the intermediary device by the first communication device, so that the intermediary device controls the projection equipment to output the projection request information, specifically, the projection equipment is controlled to display the projection request information in a projected picture;
when a second user triggers a second key on a second communication device, the second communication device receives projection response information input by the second user;
the second communication device sends the projection response information to the intermediary device, so that the intermediary device controls the projection equipment to perform corresponding projection according to the projection response information, and forwards the projection response information to the first communication device;
the projection system comprises a projection system, a communication device and a master device, wherein only one communication device in the projection system is a master device, other communication devices are slave devices, the master device determines whether the slave devices are allowed to perform projection, and the master device performs direct projection when projection is needed.
7. An intermediary device for conference control, for use in a projection system, comprising a first memory storing a computer program and a first processor, wherein the first processor is configured to execute the computer program stored in the first memory and to implement the method of any one of claims 1 to 4.
8. A communication device for conference control, for use in a projection system, comprising a second memory and a second processor, the second memory storing a computer program, wherein the second processor is configured to execute the computer program stored in the second memory and to implement the method of claim 5.
9. A communication device for conference control in a projection system, comprising a third memory and a third processor, the third memory storing a computer program, wherein the third processor is configured to execute the computer program stored in the third memory and to implement the method of claim 6.
10. A projection system comprising a projection device and at least two output devices, further comprising the intermediary apparatus of claim 7, the communication apparatus of claim 8 as a slave device, and the communication apparatus of claim 9 as a master device.
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| CN101489092B (en) * | 2009-02-20 | 2010-12-08 | 华为终端有限公司 | Meeting control method, meeting control device and meeting system |
| CN104702870A (en) * | 2013-12-06 | 2015-06-10 | 中兴通讯股份有限公司 | Multi-source control method and device for smart micro projection |
| CN104735377B (en) * | 2013-12-23 | 2019-07-12 | 中兴通讯股份有限公司 | A kind of method and system for realizing projection |
| CN105472283A (en) * | 2014-08-27 | 2016-04-06 | 中兴通讯股份有限公司 | Projection control method, projection equipment and mobile terminal |
| CN105657387A (en) * | 2015-12-30 | 2016-06-08 | 上海创功通讯技术有限公司 | Projection method and projection system |
| CN106358319A (en) * | 2016-11-03 | 2017-01-25 | 努比亚技术有限公司 | Wireless projection device, system and method |
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