CN109828735A - A kind of projection screen exchange method and device - Google Patents
A kind of projection screen exchange method and device Download PDFInfo
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- CN109828735A CN109828735A CN201910236683.3A CN201910236683A CN109828735A CN 109828735 A CN109828735 A CN 109828735A CN 201910236683 A CN201910236683 A CN 201910236683A CN 109828735 A CN109828735 A CN 109828735A
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Abstract
The embodiment of the present application provides a kind of projection screen exchange method and device, is applied to projector, which comprises obtains the switching command switched over to the display mode of projection to the display content on projection screen；According to the switching command, the global configuration file of the projector is modified, and restarts the display interface service of the projector, to switch the display mode of projection to the display content on the projection screen, wherein, the display mode of the display content includes vertical screen display and transverse screen display；Display content is projected with the display mode after switching to the projection screen.Using projection screen exchange method provided by the present application, rotation switching easily can be carried out to the content on projection screen.
Description
Technical field
This application involves projection arts, in particular to a kind of projection screen exchange method and device.
Background technique
Currently, the use of projector is in people's lives and work, wherein ultrashort out-of-focus projection's instrument is in recent years fast
Speed development.The characteristics of ultrashort out-of-focus projection's instrument, is directly be projected in lesser space (for example, instead of domestic television set
Or directly project to desktop presentation content).And ultrashort out-of-focus projection's instrument itself is configured without gyroscope, so cannot be by switching top
The mode of spiral shell instrument carries out the switching in direction to the picture being projected out, very inconvenient.
It is to need to solve at present in view of this, how easily to realize the direction switching for the display content that projector is shown
The problem of.
Summary of the invention
The application provides a kind of projection screen exchange method and device.
In a first aspect, the application provides a kind of projection screen exchange method, it is applied to projector, which comprises
Obtain the switching command switched over to the display mode of projection to the display content on projection screen；
According to the switching command, the global configuration file of the projector is modified, and restarts the display of the projector
Interface service, to switch the display mode of projection to the display content on the projection screen, wherein the display content is shown
The mode of showing includes vertical screen display and transverse screen display；
Display content is projected with the display mode after switching to the projection screen.
Optionally, the display type of the display content includes vertical screen display and transverse screen display, described to obtain to projection extremely
The switching command that the display mode of display content on projection screen switches over, comprising:
Judge projection to the display content on projection screen display mode whether with it is described show content display type
Unanimously, if unanimously, keeping the display mode of the display content on projection screen；
If inconsistent, obtain the switching switched over to the display mode of projection to the display content on projection screen and refer to
It enables.
It optionally, include the handover information of the display content in the switching command, it is described according to the switching command,
The global configuration file of the projector is modified, and restarts the display interface service of the projector, comprising:
According to the global configuration file of the projector, the display type of the display content is obtained；
According to the switching command, the handover information in the switching command is obtained；
The display interface service for restarting the projector is matched again according to the display type and handover information of acquisition
Set the global configuration file, the display scale of the display content after adjustment switching display mode.
Optionally, the display type and handover information according to acquisition, reconfigures the global configuration file,
The display scale of display content after adjustment switching display mode, comprising:
Whether the display type for judging the display content is vertical screen display, if vertical screen display, then judges the display
Whether the display mode after content switching is vertical screen display；
If so, adjusting the display ratio of the display content according to the breadth length ratio of the display content and the projection screen
Example, if it is not, not being adjusted to the display scale of the display content then.
Optionally, the display type and handover information according to acquisition, reconfigures the global configuration file,
The display scale of display content after adjustment switching display mode, comprising:
Whether the display type for judging the display content is transverse screen display, if transverse screen display, then judges the display
Whether the display mode after content switching is transverse screen display；
If so, be not adjusted to the display scale of the display content, if it is not, then according to the display content and
The breadth length ratio of the projection screen adjusts the display scale of the display content.
Optionally, described according to the switching command, obtain the handover information in the switching command, comprising:
Obtain the direction of rotation in the switching command, wherein the direction of rotation is including rotating clockwise and counterclockwise
Rotation；
Obtain the rotation angle in the switching command, wherein the rotation angle includes 90 °, 180 ° and 270 °；
According to the direction of rotation in the switching command and angle is rotated, obtains the handover information.
Optionally, the display mode of projection to the display content on projection screen is defaulted as transverse screen display, described aobvious
Show that content is to be stuffed entirely with showing in transverse screen display on the projection screen.
Second aspect, the application provide a kind of projection screen interactive device, are applied to projector, and described device includes:
Module is obtained, for obtaining the switching switched over to the display mode of projection to the display content on projection screen
Instruction；
Switching module for modifying the global configuration file of the projector according to the switching command, and is restarted described
The display interface service of projector, to switch the display mode of projection to the display content on the projection screen, wherein described
The display mode for showing content includes vertical screen display and transverse screen display；
Display module, for being projected display content with the display mode after switching to the projection screen.
Optionally, the display type of the display content includes vertical screen display and transverse screen display, and the acquisition module is specific
For:
Judge projection to the display content on projection screen display mode whether with it is described show content display type
Unanimously, if unanimously, keeping the display mode of the display content on projection screen；
If inconsistent, obtain the switching switched over to the display mode of projection to the display content on projection screen and refer to
It enables.
Optionally, the switching module is specifically used for:
According to the global configuration file of the projector, the display type of the display content is obtained；
According to the switching command, the handover information in the switching command is obtained；
The display interface service for restarting the projector is matched again according to the display type and handover information of acquisition
Set the global configuration file, the display scale of the display content after adjustment switching display mode.
The embodiment of the present application provides a kind of projection screen exchange method and device, is applied to projector, which comprises
Obtain the switching command switched over to the display mode of projection to the display content on projection screen；Referred to according to the switching
It enables, modifies the global configuration file of the projector, and restart the display interface service of the projector, with switching projection to institute
State the display mode of the display content on projection screen, wherein the display mode of the display content includes vertical screen display and cross
Screen display；Display content is projected with the display mode after switching to the projection screen.Using projection provided by the present application
Screen exchange method easily can carry out rotation switching to the content on projection screen, not need additional hardware device, protect
The stable operation of projector is demonstrate,proved.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described.It should be appreciated that the following drawings illustrates only some embodiments of the application, therefore it is not construed as pair
The restriction of range.It for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural block diagram of projector provided by the embodiments of the present application；
Fig. 2 is the step schematic process flow diagram of projection screen exchange method provided by the embodiments of the present application；
Fig. 3 is the schematic diagram of the transverse screen display mode of the display content on projection screen provided by the embodiments of the present application；
Fig. 4 is the schematic diagram of the vertical screen display mode of the display content on projection screen provided by the embodiments of the present application；
Fig. 5 is the sub-step schematic process flow diagram of step S21 in Fig. 2；
Fig. 6 is the sub-step schematic process flow diagram of step S22 in Fig. 2；
Fig. 7 is the sub-step schematic process flow diagram of step S223 in Fig. 6；
Fig. 8 is another sub-step schematic process flow diagram of step S223 in Fig. 6；
Fig. 9 is the sub-step schematic process flow diagram of step S222 in Fig. 6；
Figure 10 is the structural schematic block diagram of projection screen interactive device provided by the embodiments of the present application.
Icon: 100- projector；110- projection screen interactive device；111- memory；112- processor；113- communication unit
Member；1101- obtains module；1102- switching module；1103- display module.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described.Obviously, described embodiment is
Some embodiments of the present application, instead of all the embodiments.The application being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments herein provided in the accompanying drawings is not intended to limit below claimed
Scope of the present application, but be merely representative of the selected embodiment of the application.Based on the embodiment in the application, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model of the application protection
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present application, it is also necessary to which explanation is unless specifically defined or limited otherwise, " setting ", " even
Connect " etc. terms shall be understood in a broad sense, for example, " connection " may be a fixed connection, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be and be directly connected to, can also be indirectly connected with by intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned
The concrete meaning of term in this application.
With reference to the accompanying drawing, the specific embodiment of the application is described in detail.
Fig. 1 is please referred to, Fig. 1 is the structural block diagram of projector provided by the embodiments of the present application.The projector 100 includes throwing
Shadow screen interactive device 110, memory 111, processor 112 and communication unit 113.
The memory 111, processor 112 and each element of communication unit 113 are directly or indirectly electrical between each other
Connection, to realize the transmission or interaction of data.For example, these elements can pass through one or more communication bus or letter between each other
Number line, which is realized, to be electrically connected.The projection screen interactive device 110 includes at least one can be with software or firmware (firmware)
Form be stored in the memory 111 or be solidificated in the projector 100 operating system (operating system,
OS the software function module in).The processor 112 is used to execute the executable module stored in the memory 111, such as
Software function module and computer program etc. included by the projection screen interactive device 110.
Wherein, the memory 111 may be, but not limited to, random access memory (Random Access
Memory, RAM), read-only memory (Read Only Memory, ROM), programmable read only memory (Programmable
Read-Only Memory, PROM), erasable read-only memory (Erasable Programmable Read-Only
Memory, EPROM), electricallyerasable ROM (EEROM) (Electric Erasable Programmable Read-Only
Memory, EEPROM) etc..Wherein, memory 111 is for storing program or data.
Referring to figure 2., Fig. 2 is the step schematic process flow diagram of projection screen exchange method provided by the embodiments of the present application.
As shown in Fig. 2, the method includes the steps S21 to step S23.
Step S21 obtains the switching command switched over to the display mode of projection to the display content on projection screen.
In the present embodiment, the projection source of the display content on projection screen can be projector itself, that is, be projected out throwing
The display content of the system storage of shadow instrument.In other embodiments, the display content on projection screen can also be by outer projections
Source such as mobile phone, tablet computer etc. provides, i.e., is realized by the screen projection function of projector.
In the present embodiment, the switching command display mode of projection to the display content on projection screen switched over
It can be by being operated to obtain to the physical button on projector, it can also be by showing virtually pressing in content to projector
Key is operated to obtain.In other embodiments, switching command can also be by external projection source such as mobile phone, tablet computer etc.
On physical button or virtual key operated to obtain.
Step S22 modifies the global configuration file of the projector according to the switching command, and restarts the projection
The display interface service of instrument, to switch the display mode of projection to the display content on the projection screen, wherein the display
The display mode of content includes vertical screen display and transverse screen display.
In this example it is shown that interface service can be in the system of projector for providing the service of projecting function.
For example, the system of projector can be Android system, projector can pass through high-definition media interface (High Definition
Multimedia Interface, abbreviation HDMI) image projection is come out, HDMI, which is shown, at this time can be understood as the projector
Display interface service.It should be understood that needing to service progress to display interface after the global configuration file of modification projector
Restart, be loaded into again so that modified global configuration file is shown interface service, realizes corresponding modification partial function.
Referring to figure 3. and Fig. 4, Fig. 3 and Fig. 4 are respectively display content on projection screen provided by the embodiments of the present application
The schematic diagram of horizontal, vertical screen display mode.In this example it is shown that the display mode of content includes that vertical screen display and transverse screen are aobvious
Show.Display mode refers to the exhibition method on projection screen.For example, projector, which will can be used, in user to show in projecting apparatus system
Show that content is projected to projection screen, content need to keep mobile phone when user checks the display content using mobile phone if showing at this time
Vertical screen uses (i.e. the usual direction use of mobile phone).For example, the address list that user opens on mobile phone is shown, address list is opened
Interface is in vertical exhibition afterwards.At this point for the display picture on projector to projection screen, if lateral displaying, such as Fig. 3
It is shown, it is believed that the display mode of the display content on projection screen is transverse screen display at this time.If projecting to projection screen at this time
Display picture on curtain is vertical exhibition, as shown in Figure 4, it is believed that the display mode of the display content on projection screen at this time
For vertical screen display.
Step S23 projects display content to the projection screen with the display mode after switching.
In the present embodiment, projection screen can be the projection screen of profession, be also possible to metope or desktop.
It in one implementation, referring to figure 5., is the sub-step schematic process flow diagram of step S21 in Fig. 2.In this reality
It applies in example, shows that the display type of content includes vertical screen display and transverse screen display, step S21 may include sub-step S211, son
Step S212 and sub-step S213.
In this example it is shown that the display type of content can refer to that (such as projector is for the source of display content
System or mobile phone) on, show the displaying direction of content.For example, user can open up the address list in mobile phone by projector
Show, displaying direction of the address list on mobile phone is vertical exhibition at this time, and user is also to make in the vertical operation that carries out when in use
With, it is believed that using address list as when display content, the display type of address list is vertical screen displaying.User can also will
The video pictures played out by video software are shown as display content by projector, and video pictures are in hand at this time
Pass through laterally filling display after rotation on machine, it is believed that video pictures are transverse screen display as the display type of display content.
Step S211, judge to project display content to projection screen display mode whether with the display content
Display type is consistent.
If consistent, S212 is thened follow the steps, keeps the display mode of the display content on projection screen.
If inconsistent, then follow the steps S213, obtain to the display mode of projection to the display content on projection screen into
The switching command of row switching.
In the present embodiment, the mode for obtaining switching command can be manual operation, be also possible to be sentenced by projector itself
It is disconnected.
Fig. 6 is please referred to, is the sub-step schematic process flow diagram of step S22 in Fig. 2.In the present embodiment, in switching command
Handover information including the display content, step S22 may include sub-step S221, sub-step S222 and sub-step S223.
Step S221 obtains the display type of the display content according to the global configuration file of the projector.
Step S222 obtains the handover information in the switching command according to the switching command.
Step S223 restarts the display interface service of the projector, is believed according to the display type of acquisition and switching
Breath reconfigures the global configuration file, the display scale of the display content after adjustment switching display mode.
Fig. 7 is please referred to, Fig. 7 is the sub-step schematic process flow diagram of step S223 in Fig. 6.In the present embodiment, step
S223 may include sub-step S2231, sub-step S2232, sub-step S2233 and sub-step S2234.
Step S2231 judges whether the display type of the display content is vertical screen display, if vertical screen display, is then held
Row step S2232.If not vertical screen display, then terminate the step.
Step S2232, whether the display mode after judging the display content switching is vertical screen display；
If so, S2233 is thened follow the steps, it is described aobvious according to the display content and the adjustment of the breadth length ratio of the projection screen
Show the display scale of content.
If it is not, thening follow the steps S2234, the display scale of the display content is not adjusted.
Fig. 8 is please referred to, Fig. 8 is another sub-step schematic process flow diagram of step S223 in Fig. 6.In the present embodiment, it walks
Rapid S223 may include sub-step S2235, sub-step S2236, sub-step S2237 and sub-step S2238.
Step S2235 judges whether the display type of the display content is transverse screen display, if transverse screen display, is then held
Row step S2236.If not transverse screen display, then terminate the step.
Step S2236, whether the display mode after judging the display content switching is transverse screen display；
If so, thening follow the steps S2237, the display scale of the display content is not adjusted.
If it is not, thening follow the steps S2238 according to the display content and the adjustment of the breadth length ratio of the projection screen
Show the display scale of content.
In this embodiment, if directly vertical screen will be directly switch on the display screen originally for the display content of transverse screen display
It has been shown that, or the display content that display type is vertical screen display is directly passed through into projector on the projection screen with vertical screen display
Mode shown, shows that picture can be stretched filling at this time, and display content can laterally broaden, can not be correctly to display content
It is shown., according to the ratio of width to height of screen, display picture can be adjusted when above situation occurs.For example, in display
The ratio of width to height for holding itself can be for 2:4, and the ratio of width to height of projection screen can be 6:4, and after being adjusted, display content can be with
It is shown between two parties in projection screen, shows that the ratio of width to height of content remains 2:4 at this time, display content both sides do not show picture (example
Can such as be shown with blank screen), display content and both sides do not show that the breadth length ratio of picture area is 1:1:1 at this time, turning back to referring to such as
Content shown in Fig. 4.
Fig. 9 is please referred to, is the sub-step schematic process flow diagram of step S222 in Fig. 6.In the present embodiment, step S222 can
To include sub-step S2221, sub-step S222 and sub-step S223.
Step S2221 obtains the direction of rotation in the switching command, wherein the direction of rotation includes rotation clockwise
Turn and rotates counterclockwise.
In the present embodiment, can rotate clockwise or rotate counterclockwise by selection will show that content is quickly switched into
Predetermined position.
Step S2222 obtains the rotation angle in the switching command, wherein the rotation angle includes 90 °, 180 °
With 270 °.
In the present embodiment, do not rotate (rotate 0 °), be rotated by 90 °, 180 ° and 270 ° of these four rotation angles include
Each display mode of display content on projection screen.
Step S2223 according to the direction of rotation in the switching command and rotates angle, obtains the handover information.
Further, the display mode of projection to the display content on projection screen is defaulted as transverse screen display, described
Show that content is to be stuffed entirely with showing in transverse screen display on the projection screen.
Figure 10 is please referred to, Figure 10 is the structural schematic block diagram of projection screen interactive device 110 provided by the embodiments of the present application.
The projection screen interactive device 110 includes obtaining module 1101, switching module 1102 and display module 1103.
Wherein, module 1101 is obtained, for obtaining the display mode progress to projection to the display content on projection screen
The switching command of switching.
It can not go to live in the household of one's in-laws on getting married herein refering to the associated description of step S21 in Fig. 2 about the implementation for obtaining module 1101
It states.
Switching module 1102, for modifying the global configuration file of the projector, and restart according to the switching command
The display interface service of the projector, to switch the display mode of projection to the display content on the projection screen, wherein
The display mode of the display content includes vertical screen display and transverse screen display.
Implementation about switching module 1102 can not go to live in the household of one's in-laws on getting married herein refering to the associated description of step S22 in Fig. 2
It states.
Display module 1103, for being projected display content with the display mode after switching to the projection screen.
Implementation about display module 1103 can not go to live in the household of one's in-laws on getting married herein refering to the associated description of step S23 in Fig. 2
It states.
Further, the display type of the display content includes vertical screen display and transverse screen display, the acquisition module
1101 are specifically used for:
Judge projection to the display content on projection screen display mode whether with it is described show content display type
Unanimously, if unanimously, keeping the display mode of the display content on projection screen；
If inconsistent, obtain the switching switched over to the display mode of projection to the display content on projection screen and refer to
It enables.
Further, the switching module 1102 is specifically used for:
According to the global configuration file of the projector, the display type of the display content is obtained.
According to the switching command, the handover information in the switching command is obtained.
The display interface service for restarting the projector is matched again according to the display type and handover information of acquisition
Set the global configuration file, the display scale of the display content after adjustment switching display mode.
In the embodiment of the present application, the reality of the realization principle of projection screen interactive device and aforementioned projection screen exchange method
Existing principle is similar, and corresponding contents can be refering to preceding method embodiment, thus therefore not to repeat here.
In conclusion the application provides a kind of projection screen exchange method and device, it can be simple and quick to projection screen
Content on curtain carries out rotation switching, does not need additional hardware device, ensure that the stable operation of projector.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of projection screen exchange method, which is characterized in that be applied to projector, which comprises
Obtain the switching command switched over to the display mode of projection to the display content on projection screen；
According to the switching command, the global configuration file of the projector is modified, and restarts the display interface of the projector
Service, to switch the display mode of projection to the display content on the projection screen, wherein the display side of the display content
Formula includes vertical screen display and transverse screen display；
Display content is projected with the display mode after switching to the projection screen.
2. the method according to claim 1, wherein it is described display content display type include vertical screen display and
Transverse screen display, it is described to obtain the switching command switched over to the display mode of projection to the display content on projection screen, packet
It includes:
Judge whether projection is consistent with the display display type of content to the display mode of the display content on projection screen,
If consistent, the display mode of the display content on projection screen is kept；
If inconsistent, the switching command switched over to the display mode of projection to the display content on projection screen is obtained.
3. the method according to claim 1, wherein including the switching of the display content in the switching command
Information, it is described that the global configuration file of the projector is modified according to the switching command, and restart the display of the projector
Interface service, comprising:
According to the global configuration file of the projector, the display type of the display content is obtained；
According to the switching command, the handover information in the switching command is obtained；
The display interface service for restarting the projector reconfigures institute according to the display type and handover information of acquisition
State global configuration file, the display scale of the display content after adjustment switching display mode.
4. according to the method described in claim 3, it is characterized in that, described believe according to the display type and switching of acquisition
Breath reconfigures the global configuration file, the display scale of the display content after adjustment switching display mode, comprising:
Whether the display type for judging the display content is vertical screen display, if vertical screen display, then judges the display content
Whether the display mode after switching is vertical screen display；
If so, the display scale of the display content is adjusted according to the breadth length ratio of the display content and the projection screen,
If it is not, not being adjusted to the display scale of the display content then.
5. according to the method described in claim 3, it is characterized in that, described believe according to the display type and switching of acquisition
Breath reconfigures the global configuration file, the display scale of the display content after adjustment switching display mode, comprising:
Whether the display type for judging the display content is transverse screen display, if transverse screen display, then judges the display content
Whether the display mode after switching is transverse screen display；
If so, not to it is described display content display scale be adjusted, if it is not, then according to the display content with it is described
The breadth length ratio of projection screen adjusts the display scale of the display content.
6. according to the method described in claim 3, the acquisition switching refers to it is characterized in that, described according to the switching command
Handover information in order, comprising:
Obtain the direction of rotation in the switching command, wherein the direction of rotation includes rotating clockwise and rotating counterclockwise；
Obtain the rotation angle in the switching command, wherein the rotation angle includes 90 °, 180 ° and 270 °；
According to the direction of rotation in the switching command and angle is rotated, obtains the handover information.
7. the method according to claim 1, wherein display of the projection to the display content on projection screen
Mode is defaulted as transverse screen display, and the display content is stuffed entirely with showing in transverse screen display on the projection screen.
8. a kind of projection screen interactive device, which is characterized in that be applied to projector, described device includes:
Module is obtained, is referred to for obtaining the switching switched over to the display mode of projection to the display content on projection screen
It enables；
Switching module, for modifying the global configuration file of the projector, and restart the projection according to the switching command
The display interface service of instrument, to switch the display mode of projection to the display content on the projection screen, wherein the display
The display mode of content includes vertical screen display and transverse screen display；
Display module, for being projected display content with the display mode after switching to the projection screen.
9. device according to claim 8, which is characterized in that it is described display content display type include vertical screen display and
Transverse screen display, the acquisition module are specifically used for:
Judge whether projection is consistent with the display display type of content to the display mode of the display content on projection screen,
If consistent, the display mode of the display content on projection screen is kept；
If inconsistent, the switching command switched over to the display mode of projection to the display content on projection screen is obtained.
10. device according to claim 8, which is characterized in that the switching module is specifically used for:
According to the global configuration file of the projector, the display type of the display content is obtained；
According to the switching command, the handover information in the switching command is obtained；
The display interface service for restarting the projector reconfigures institute according to the display type and handover information of acquisition
State global configuration file, the display scale of the display content after adjustment switching display mode.
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| CN112383802A (en) * | 2019-11-04 | 2021-02-19 | 青岛海信激光显示股份有限公司 | Focus switching method, projection display device and system |
| CN112394893A (en) * | 2019-08-19 | 2021-02-23 | 西安诺瓦星云科技股份有限公司 | Visual screen matching method, device and system and computer readable medium |
| CN112788318A (en) * | 2021-01-19 | 2021-05-11 | 深圳岱仕科技有限公司 | Projection equipment display mode control method and device, controller and projection system |
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