CN110232870A - A kind of fan screen splice displaying system and its display methods - Google Patents
A kind of fan screen splice displaying system and its display methods Download PDFInfo
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- CN110232870A CN110232870A CN201910506658.2A CN201910506658A CN110232870A CN 110232870 A CN110232870 A CN 110232870A CN 201910506658 A CN201910506658 A CN 201910506658A CN 110232870 A CN110232870 A CN 110232870A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
- G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/37—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/005—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes forming an image using a quickly moving array of imaging elements, causing the human eye to perceive an image which has a larger resolution than the array, e.g. an image on a cylinder formed by a rotating line of LEDs parallel to the axis of rotation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
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- Engineering & Computer Science (AREA)
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- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a kind of fan screen splice displaying system and its display methods, the display system includes: several fan screens；Memory, the memory is for storing image or vision signal to be shown；Server, the server, which is used to read each frame data of image or vision signal to be shown in memory, is split processing, and the data after sending corresponding dividing processing to each fan screen；Several described fan screens all include: driving motor；LED light bar, the LED light bar are arranged on the output shaft of driving motor, and several LED lamp beads and LED driving IC are provided in the LED light bar；Control panel, the control panel is for controlling the revolving speed of driving motor and lighting for LED lamp bead；Two axle acceleration sensors, two axle acceleration sensor are used to measure the angular speed of LED light bar.The single fan screen of effective solution of the present invention shows nonsynchronous problem, improves the Experience Degree of user.
Description
Technical field
The present invention relates to fan screen field of display technology more particularly to a kind of fan screen splice displaying system and its show
Show method.
Background technique
In quick movement, after the image that human eye is seen disappears, human eye remains to continue to retain its image 0.1- object
0.4 second or so image, this phenomenon are referred to as visual persistence phenomenon.When human eye watches object, image on retina, and by
Optic nerve inputs human brain, feels the picture of object.But when object is removed, optic nerve will not disappear to the impression of object immediately,
And to continue 0.1-0.4 seconds time, this property of human eye is referred to as " persistence of visions of eyes ".
Visual persistence phenomenon is used by Chinese first, and revolving horse lantern is according to persistence of vision fortune earliest in historical records
With.Have revolving horse lantern when the Song dynasty, claimed " horse rides lamp " at that time.Subsequent Frenchman sieve Borrow, which is covered, invented thaumatrope in 1828,
It is the disk passed through by rope on two sides, and the one side of disk has drawn a bird, and another side has drawn an empty cage.Work as circle
When disc spins, bird occurs in cage, this demonstrate that it once retains an image when eyes see a series of images.
Likewise, fan screen shows 3D rendering also with visual persistence effect.
Fan screen display system in the prior art, in splicing since the angular speed of driving motor rotation exists centainly
Error when error is amplified to after a certain period of time, will have the wind of multiple splicings as the accumulated error of time is further amplified
What fan screen had display simultaneously is not the content of a frame, and it is discontinuous to will lead to the image shown after different fans splice in this way,
Or not be same frame under synchronization content.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of fan screen splice displaying system, have
Effect to solve the problems, such as that fan screen display system is shown nonsynchronous.
Technical scheme is as follows:
A kind of fan screen splice displaying system comprising:
Several fan screens；
Memory, the memory is for storing image or vision signal to be shown；
Server, each frame data that the server is used to read image or vision signal to be shown in memory are divided
Processing is cut, and the data after sending corresponding dividing processing to each fan screen；
Several described fan screens all include:
Driving motor；
LED light bar, the LED light bar are arranged on the output shaft of driving motor, and several LED light are provided in the LED light bar
Pearl and LED drive IC；
Control panel, the control panel is for controlling the revolving speed of driving motor and lighting for LED lamp bead；
Two axle acceleration sensors, two axle acceleration sensor are arranged in LED light bar, two axle acceleration sensor
For measuring the angular speed of LED light bar.
Preferably, several described fan screens further include:
Cache unit, the cache unit for storage server send dividing processing after data, the cache unit with
Control panel electrical connection.
Preferably, the server includes:
Signal reading module, the signal reading module are used to read each frame data of image or vision signal to be shown；
Signal divides module, signal segmentation module be used to for each frame data being divided into it is corresponding with fan screen several
Subgraph；
Signal processing module, the signal processing module is for that can identify the data conversion of several subgraphs at fan screen
Format；
Signal transmitting module, the data after the signal transmitting module is used to convert subgraph are sent to corresponding fan
Screen.
Preferably, the server further include:
Signal is inserted into module, and the signal insertion module is used to be inserted into a synchronous control frame when driving motor is every to have rotated a circle
Data.
Preferably, several described fan screens further include:
Speed correcting unit, the speed correcting unit is used for when control panel receives synchronously control frame data, to fan screen
Angular speed once corrected, then two axle acceleration sensors again add up fan screen angular speed error；
The speed correcting unit is electrically connected with control panel.
Preferably, the diameter of the LED light bar of several fan screens and resolution ratio are all identical.
Preferably, several described fan screens include two kinds of fan screens:
The diameter and resolution ratio of the LED light bar of two kinds of fan screens are neither identical, and the big fan screen of diameter is arranged in most intermediate, diameter
The surrounding of the big fan screen of diameter is arranged in small fan screen.
Preferably, several described fan screens include three kinds of fan screens:
The diameter and resolution ratio of the LED light bar of three kinds of fan screens are neither identical.
The present invention also provides a kind of fan screen splicing display methods comprising following steps:
A, each frame data of image or vision signal to be shown are read；
B, each frame data are divided into several subgraphs corresponding with fan screen, the sum of resolution ratio of several subgraphs
Equal to the resolution ratio of image or video to be shown；
C, the format that can identify the data conversion of several subgraphs at fan screen；
D, the data after converting subgraph are sent to corresponding fan screen, and show the subgraph received by fan screen
Picture.
Preferably, between the step A and step B further include:
E, driving motor is every is inserted into a synchronously control frame data when having rotated a circle, and synchronously control frame data is sent to drive
Dynamic motor, driving motor once correct the angular speed of fan screen, and then two axle acceleration sensors add up fan again
The angular speed error of screen.
Compared with prior art, the embodiment of the present application mainly have it is following the utility model has the advantages that
Fan screen splice displaying system provided by the present invention and its display methods, process of the server in production image or video
In include cutting or recompile, every when driving motor rotate one circle be inserted into a synchronously control frame data, this together
The insertion of step control frame data refers to the velocity information of two axis accelerator sensors, when the control panel of fan screen receives this synchronization
When controlling frame data, the angular speed of fan screen is once corrected, the deviation accumulation of angular speed has then just been restarted, when
Video frame is corrected again after next cycle, once solves the problems, such as that it is nonsynchronous that single fan screen is shown, is improved
The Experience Degree of user.
Detailed description of the invention
In order to illustrate more clearly of the scheme of the application, one will be made to attached drawing needed in embodiment description below
A simple introduction, it should be apparent that, the accompanying drawings in the following description is some embodiments of the present application, for ordinary skill
For personnel, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the module diagram of the fan screen splice displaying system preferred embodiment in the present invention.
Fig. 2 is the module diagram of the fan screen in the fan screen splice displaying system preferred embodiment in the present invention.
Fig. 3 is the module diagram of the server in the fan screen splice displaying system preferred embodiment in the present invention.
Fig. 4 is the flow diagram of the fan screen splicing display method preferred embodiment in the present invention.
Fig. 5 is the setting figure of the fan screen in the fan screen splicing display method preferred embodiment in the present invention.
Fig. 6 is the setting figure of the fan screen in the fan screen splicing display method another embodiment in the present invention.
Specific embodiment
Unless otherwise defined, all technical and scientific terms used herein and the skill for belonging to present techniques field
The normally understood meaning of art personnel is identical；It is specific that description is intended merely in the term used in the description of application herein
The purpose of embodiment, it is not intended that in limitation the application；In the description and claims of this application and above-mentioned Detailed description of the invention
Term " includes " and " having " and their any deformation, it is intended that cover and non-exclusive include.The explanation of the application
Book and claims or term " first " in above-mentioned attached drawing, " second " etc. rather than are used for for distinguishing different objects
Particular order is described.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
As shown in Figure 1 to Figure 3, a kind of fan screen splice displaying system that present pre-ferred embodiments provide comprising: if
Dry fan screen 100；Memory 200, the memory 200 is for storing image or vision signal to be shown；Server
300, each frame data that the server 300 is used to read image or vision signal to be shown in memory are split place
Reason, and the data after sending corresponding dividing processing to each fan screen 100；Several described fan screens 100 all include: to drive
Dynamic motor 101；LED light bar 102, the LED light bar 102 are arranged on the output shaft of driving motor 101, the LED light bar 102
On be provided with several LED lamp beads and LED driving IC；Control panel 103, the control panel 103 are used to control turning for driving motor 101
It is fast and LED lamp bead to light；Two axle acceleration sensors 104, two axle acceleration sensor 104 are arranged in LED light bar 102
On, two axle acceleration sensor 104 is used to measure the angular speed of LED light bar.
Angular speed error when driving motor 101 rotates is controlled in 0.001% range per second, in LED light bar 102
One two axle acceleration sensor 104 is installed, the angular velocity information of each LED light bar 102 is sampled at a certain time interval
As the signal feedback being precisely controlled to driving motor.
In the further preferred embodiment of the present invention, several described fan screens 100 further include:
Cache unit 105, the cache unit 105 are described slow for the data after the dividing processing of the transmission of storage server 300
Memory cell 105 is electrically connected with control panel 103.
As shown in figure 3, in the further preferred embodiment of the present invention, the server 300 includes:
Signal reading module 301, the signal reading module 301 are used to read each frame of image or vision signal to be shown
Data；
Signal divides module 302, and the signal segmentation module 302 is corresponding with fan screen for being divided into each frame data
Several subgraphs；
Signal processing module 303, the signal processing module 303 are used for the data conversion of several subgraphs into fan screen energy
The format enough identified；
Signal transmitting module 304, the signal transmitting module 304 are sent to corresponding for the data after converting subgraph
Fan screen.
The effect of server 300 has: controlling the starting of single fan screen and starts to show；Send band show content to
Single fan screen；Image or video (big resolution content) to be shown are cut to single fan screen can be with display resolution
Size:
Such as: we, which splice, all shows that screen is 100 meters wide, 100 meters of high display planes, and the video resolution that we make is
4k * 4k, the video source of (4k=4*1024), the fan screen for splicing needs are to grow 100 fans, high 100 fans, then
We individually need content to be shown are as follows: wide: the pixel of 4*1024/100=409, a height of 4*1024/100=409 pixels,
It is 409 * 409 that so the video source or picture of 4k * 4k are just cut into 100 *, 100 resolution ratio by our server
Then the video content of pixel individually issues corresponding fan screen.
Server 300 to the cutting of image or video can be realization cut or play when cut in real time, for
In advance before broadcasting, the video cut in advance can be sent to single fan screen in advance and carry out content caching, when playing
It is not have frame picture to be cut in real time broadcasting in the case where cutting, then issues corresponding fan screen again and shown.
In the further preferred embodiment of the present invention, the server 300 further include:
Signal is inserted into module 305, and the signal insertion module is used for insertion one synchronous control when driving motor is every to have rotated a circle
Frame data processed.
In the further preferred embodiment of the present invention, several described fan screens 100 further include:
Speed correcting unit 106, the speed correcting unit 106 are used for when control panel 103 receives synchronously control frame data,
The angular speed of fan screen 100 is once corrected, then two axle acceleration sensors 104 add up the angle of fan screen 100 again
Velocity error；
The speed correcting unit 106 is electrically connected with control panel.
Server 300 includes cutting or recompiling during making image or video, every when driving motor 101
It has rotated a circle and has been inserted into a synchronously control frame data, the insertion of the synchronously control frame data refers to two axis accelerator sensors
104 velocity information, when the control panel 103 of fan screen 100 receives this synchronously control frame data, to the angular speed of fan screen
It is once corrected, has then just restarted the deviation accumulation of angular speed, video frame is carried out again after next cycle
Correction once solves the problems, such as that it is nonsynchronous that single fan screen is shown.
In the further preferred embodiment of the present invention, the diameter and resolution ratio of the LED light bar of several fan screens 100 are all
It is identical.
The diameter of single fan screen LD lamp bar is not not limited to a kind of specified specification, can be arbitrary diameter size
Fan screen, arbitrary shape can be spliced into.
In the further preferred embodiment of the present invention, several described fan screens 100 include two kinds of fan screens:
The diameter and resolution ratio of the LED light bar of two kinds of fan screens are neither identical, and the big fan screen of diameter is arranged in most intermediate, diameter
The surrounding of the big fan screen of diameter is arranged in small fan screen.
In the further preferred embodiment of the present invention, several described fan screens 100 include three kinds of fan screens:
The diameter and resolution ratio of the LED light bar of three kinds of fan screens are neither identical.
Can be set into as follows: the maximum fan screen setting of diameter is arranged in most intermediate, second largest fan screen in maximum
Fan screen surrounding, each gap is then filled up by small fan screen.
As shown in figure 4, the present invention also provides a kind of fan screen splicing display methods comprising following steps:
S100, each frame data for reading image or vision signal to be shown；
S200, each frame data are divided into several subgraphs corresponding with fan screen, the resolution ratio of several subgraphs
The sum of be equal to image or video to be shown resolution ratio；
S300, the format that can identify the data conversion of several subgraphs at fan screen；
S400, subgraph is converted after data be sent to corresponding fan screen, and the son received is shown by fan screen
Image.
In the further preferred embodiment of the present invention, between the step S100 and step S200 further include:
S500, driving motor be every to be inserted into a synchronously control frame data when having rotated a circle, and synchronously control frame data are sent
To driving motor, driving motor once corrects the angular speed of fan screen, and then two axle acceleration sensors add up again
The angular speed error of fan screen.
As shown in Figure 5 and Figure 6, what 1 and 2 in figure respectively indicated be LED light bar diameter and resolution ratio is different from two
A fan screen.The fan screen includes following connecting method:
As shown in figure 5, the splicing is the identical fan screen of a kind of LED light bar diameter used, but single fan screen LD lamp
The diameter of item is not not limited to a kind of specified specification, can be the fan screen of arbitrary diameter size, can be spliced into
Arbitrary shape, including be not limited to following plane geometric figure: it is round, rectangle, square, any specification polygon just, just
Polygon also includes the assembly of arbitrary polygon certainly.
As shown in fig. 6, giving the fan screen comprising two kinds of different-diameters and resolution ratio in figure, arbitrary shape can be spliced into
Shape, including be not limited to following plane geometric figure: it is round, rectangle, square, any specification polygon just, regular polygon,
It certainly also include the assembly of arbitrary polygon.
Assembly can certainly be carried out using the fan screen of more different sizes, assembled size and shape includes simultaneously
The combination of arbitrary plane.
In conclusion fan screen splice displaying system provided by the present invention and its display methods, the display system packet
It includes: several fan screens；Memory, the memory is for storing image or vision signal to be shown；Server, the clothes
Each frame data that business device is used to read image or vision signal to be shown in memory are split processing, and to each wind
Fan screen sends the data after corresponding dividing processing；Several described fan screens all include: driving motor；LED light bar, it is described
LED light bar is arranged on the output shaft of driving motor, and several LED lamp beads and LED driving IC are provided in the LED light bar；Control
Making sheet, the control panel is for controlling the revolving speed of driving motor and lighting for LED lamp bead；Two axle acceleration sensors, described two
Axle acceleration sensor is arranged in LED light bar, and two axle acceleration sensor is used to measure the angular speed of LED light bar, makes
It obtains server to include cutting during making image or video or recompile, be enclosed every when driving motor has rotated one
A synchronously control frame data are inserted into, the insertion of the synchronously control frame data is believed with reference to the speed of two axis accelerator sensors
Breath, when the control panel of fan screen receives this synchronously control frame data, once corrects the angular speed of fan screen, then
The deviation accumulation for just having restarted angular speed again corrects video frame after next cycle, once solves list
A fan screen shows nonsynchronous problem, improves the Experience Degree of user.
Obviously, embodiments described above is merely a part but not all of the embodiments of the present application, attached
The preferred embodiment of the application is given in figure, but is not intended to limit the scope of the patents of the application.The application can be with many differences
Form realize, on the contrary, purpose of providing these embodiments is keeps the understanding to disclosure of this application more thorough
Comprehensively.Although the application is described in detail with reference to the foregoing embodiments, for coming for those skilled in the art,
Can still modify to technical solution documented by aforementioned each specific embodiment, or to part of technical characteristic into
Row equivalence replacement.All equivalent structures done using present specification and accompanying drawing content, are directly or indirectly used in other
Relevant technical field, similarly within the application scope of patent protection.
Claims (10)
1. a kind of fan screen splice displaying system, comprising: several fan screens, which is characterized in that the fan screen tiled display
System further include:
Memory, the memory is for storing image or vision signal to be shown；
Server, each frame data that the server is used to read image or vision signal to be shown in memory are divided
Processing is cut, and the data after sending corresponding dividing processing to each fan screen；
Several described fan screens all include:
Driving motor；
LED light bar, the LED light bar are arranged on the output shaft of driving motor, and several LED light are provided in the LED light bar
Pearl and LED drive IC；
Control panel, the control panel is for controlling the revolving speed of driving motor and lighting for LED lamp bead；
Two axle acceleration sensors, two axle acceleration sensor are arranged in LED light bar, two axle acceleration sensor
For measuring the angular speed of LED light bar.
2. fan screen splice displaying system according to claim 1, which is characterized in that several described fan screens also wrap
It includes:
Cache unit, the cache unit for storage server send dividing processing after data, the cache unit with
Control panel electrical connection.
3. fan screen splice displaying system according to claim 2, which is characterized in that the server includes:
Signal reading module, the signal reading module are used to read each frame data of image or vision signal to be shown；
Signal divides module, signal segmentation module be used to for each frame data being divided into it is corresponding with fan screen several
Subgraph；
Signal processing module, the signal processing module is for that can identify the data conversion of several subgraphs at fan screen
Format；
Signal transmitting module, the data after the signal transmitting module is used to convert subgraph are sent to corresponding fan
Screen.
4. fan screen splice displaying system according to claim 3, which is characterized in that the server further include:
Signal is inserted into module, and the signal insertion module is used to be inserted into a synchronous control frame when driving motor is every to have rotated a circle
Data.
5. fan screen splice displaying system according to claim 4, which is characterized in that several described fan screens also wrap
It includes:
Speed correcting unit, the speed correcting unit is used for when control panel receives synchronously control frame data, to fan screen
Angular speed once corrected, then two axle acceleration sensors again add up fan screen angular speed error；
The speed correcting unit is electrically connected with control panel.
6. fan screen splice displaying system according to claim 1, which is characterized in that the LED of several fan screens
The diameter and resolution ratio of lamp bar are all identical.
7. fan screen splice displaying system according to claim 1, which is characterized in that several described fan screens include two
Kind fan screen:
The diameter and resolution ratio of the LED light bar of two kinds of fan screens are neither identical, and the big fan screen of diameter is arranged in most intermediate, diameter
The surrounding of the big fan screen of diameter is arranged in small fan screen.
8. fan screen splice displaying system according to claim 1, which is characterized in that several described fan screens include three
Kind fan screen:
The diameter and resolution ratio of the LED light bar of three kinds of fan screens are neither identical.
9. a kind of fan screen splicing display method, which comprises the steps of:
A, each frame data of image or vision signal to be shown are read；
B, each frame data are divided into several subgraphs corresponding with fan screen, the sum of resolution ratio of several subgraphs
Equal to the resolution ratio of image or video to be shown；
C, the format that can identify the data conversion of several subgraphs at fan screen；
D, the data after converting subgraph are sent to corresponding fan screen, and show the subgraph received by fan screen
Picture.
10. fan screen splicing display method according to claim 9, which is characterized in that between the step A and step B
Further include:
E, driving motor is every is inserted into a synchronously control frame data when having rotated a circle, and synchronously control frame data is sent to drive
Dynamic motor, driving motor once correct the angular speed of fan screen, and then two axle acceleration sensors add up fan again
The angular speed error of screen.
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| CN115331587A (en) * | 2022-10-14 | 2022-11-11 | 南京达斯琪数字科技有限公司 | Rotary display method and system for reducing overlapped shadows |
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