CN108648641A - A kind of intelligent controlling device and control method of LED display - Google Patents

A kind of intelligent controlling device and control method of LED display Download PDF

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Publication number
CN108648641A
CN108648641A CN201810840793.6A CN201810840793A CN108648641A CN 108648641 A CN108648641 A CN 108648641A CN 201810840793 A CN201810840793 A CN 201810840793A CN 108648641 A CN108648641 A CN 108648641A
Authority
CN
China
Prior art keywords
switch
display screen
verts
holder
intelligent controlling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810840793.6A
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Chinese (zh)
Inventor
刘霞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhaoqing Le Chuang Technology Co Ltd
Original Assignee
Zhaoqing Le Chuang Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhaoqing Le Chuang Technology Co Ltd filed Critical Zhaoqing Le Chuang Technology Co Ltd
Priority to CN201810840793.6A priority Critical patent/CN108648641A/en
Publication of CN108648641A publication Critical patent/CN108648641A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/12Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
    • F16M11/121Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction constituted of several dependent joints
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F27/00Combined visual and audible advertising or displaying, e.g. for public address
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating 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
    • G09F9/33Indicating 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

Abstract

The invention discloses a kind of intelligent controlling device of LED display and control methods, including control shell, starting switch, positive rotation switch, the starting switch, positive rotation switch, reverse rotation switch, the switch that just verting, the anti-switch that verts, communication connector and USB joint are provided in the control housing outer surface, the control enclosure interior is provided with accumulator, audio video processor and microprocessor, electric rotating machine is provided among the control housing upper surface, the electric rotating machine upper end is provided with holder.Advantageous effect is:1, by the way that positive rotation switch, reverse rotation switch and electric rotating machine is arranged, the level angle of display screen 15 can quickly be adjusted;2, by the way that the switch that just verting, counter vert switch and the motor that verts is arranged, the vertical angles of display screen 15 can quickly be adjusted;3, by the way that display screen, the first loud speaker and the second loud speaker is arranged, picture and sound can be provided simultaneously.

Description

A kind of intelligent controlling device and control method of LED display
Technical field
The present invention relates to field of LED display, more particularly to the intelligent controlling device and controlling party of a kind of LED display Method.
Background technology
LED display is a kind of flat-panel monitor, is made of LED module panel small one by one, for showing word, figure The equipment of the various information such as picture, video, video signal, the high brightness of LED display, wider viewing angle and good color Also superior to LCD screen, LED display is generally used for airport, market, hotel, high ferro, subway, movie theatre, exhibition, writes reducing power Building etc., target customer's consuming capacity is strong, has huge advertisement value, and LED display is therefore in widespread attention and obtains fast Speed develops, and in existing technology, LED display is fixed placement, cannot be so adjustment shows level angle and vertical angle, sight Good visual effect can just be experienced in fixed position by seeing that personnel only stand, and cannot be met the viewing personnel of different height, be made It is poor with effect.
Invention content
The purpose of the present invention be that the intelligent controlling device that a kind of LED display is provided to solve the above-mentioned problems and Control method.
The present invention is achieved through the following technical solutions above-mentioned purpose:
A kind of intelligent controlling device of LED display, including control shell, starting switch, positive rotation switch, the control It is provided with the starting switch in housing outer surface, positive rotation switch, reverse rotation switch, the switch that just verting, counter verts out Pass, communication connector and USB joint, the control enclosure interior is provided with accumulator, audio video processor and microprocessor, described Be provided with electric rotating machine among control housing upper surface, the electric rotating machine upper end is provided with holder, the holder one of them The first mounting groove is offered on support arm leading flank, first mounting groove is internally provided with the first loud speaker, first installation It is provided with the first protective cover at channel opening, offers the second mounting groove on another support arm leading flank of the holder, described Two mounting grooves are internally provided with the second loud speaker, and the second mounting groove opening is provided with the second protective cover, in the holder Side is provided with display screen shell, and the display screen housing front faces are provided with display screen, the one of side of display screen shell It is connect with first rotating shaft one end on face, the first rotating shaft other end passes through one of holder support arm and the electricity that verts Machine is coaxially connected, is connect with second shaft one end on described another side of display screen shell, second shaft other one End is connect with another support arm of the holder, and the starting switch passes through electric connection, the dextrorotation with the accumulator Turn on pass, reverse rotation switch, the switch that just verting, the anti-switch that verts, the audio video processor and described micro- Processor respectively with the starting switch by being electrically connected, positive rotation switch and the reverse rotation switch respectively with it is described Electric rotating machine by be electrically connected, it is described just vert switch and it is described it is counter vert switch pass through respectively with the motor that verts it is electrical Connection, the communication connector pass through electric connection, the USB joint, the display screen, the microprocessor with the microprocessor Device, first loud speaker and second loud speaker pass through electric connection with the audio video processor respectively.
Further, the accumulator, the audio video processor and the microprocessor respectively with the control shell It is connected by screw.
Further, the starting switch, the positive rotation switch, the reverse rotation switch, it is described just vert switch and The anti-switch that verts is embedded in respectively on the control shell.
Further, the communication connector and the USB joint are embedded in respectively on the control shell.
Further, the electric rotating machine is connected by screw with the control shell, the holder and the electric rotating Machine welds.
Further, first protective cover, second protective cover, first loud speaker and second loud speaker It is connected by screw respectively with the holder.
Further, the display screen is embedded on the display screen shell.
Further, the first rotating shaft and second shaft respectively with the display screen case weld, described first Shaft and second shaft are connect with the holder by bearing respectively.
Further, the motor that verts is connected by screw with the holder, motor and described first turn of verting Axis is connected by shaft coupling.
The present invention also provides a kind of control methods of the intelligent controlling device of LED display, and it is aobvious to be applied to a kind of above-mentioned LED In the intelligent controlling device of display screen, specific control method is:Communication apparatus and the communication connector are connected, or USB is set It is standby to be connect with the USB joint, it carries out providing audio and video input source, presses the starting switch, the accumulator provides electric energy, Audio, video data is transmitted to the audio video processor by the communication connector, and the USB joint directly passes audio, video data The audio video processor is transported to, the audio video processor is decoded conversion, transformed video letter to audio, video data Number being transmitted to the display screen carries out display picture, transformed audio signal transmission to first loud speaker and described second Loud speaker carries out sound output, presses the positive rotation switch, and the electric rotating machine drives the display screen by the holder It is rotated clockwise, presses the reverse rotation switch, the electric rotating machine drives the display screen to carry out by the holder Rotation counterclockwise, can facilitate the level angle for adjusting the display screen, press the switch that just verting, and the motor that verts is logical Crossing the first rotating shaft drives the display screen to vert clockwise, presses the anti-switch that verts, the motor that verts passes through institute Stating first rotating shaft drives the display screen to vert counterclockwise, can quickly adjust the vertical angles of the display screen, makes described aobvious Display screen can be positioned quickly to suitable position.
The beneficial effects of the present invention are:It 1, can be fast by the way that positive rotation switch, reverse rotation switch and electric rotating machine is arranged The level angle of the whole display screen of velocity modulation 15;It 2, can fast velocity modulation by the way that the switch that just verting, counter vert switch and the motor that verts is arranged The vertical angles of whole display screen 15;3, by the way that display screen, the first loud speaker and the second loud speaker is arranged, picture can be provided simultaneously And sound.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of the intelligent controlling device of LED display of the present invention;
Fig. 2 is a kind of inside top structure chart of the control shell of the intelligent controlling device of LED display of the present invention;
Fig. 3 is a kind of vertical view partial cutaway view of the intelligent controlling device of LED display of the present invention;
Fig. 4 is a kind of circuit structure flow diagram of the intelligent controlling device of LED display of the present invention.
The reference numerals are as follows:
1, shell is controlled;2, starting switch;3, positive rotation switchs;4, reverse rotation switchs;5, just verting switch;6, counter to vert Switch;7, electric rotating machine;8, communication connector;9, USB joint;10, holder;11, vert motor;12, the first protective cover;13, One shaft;14, display screen shell;15, display screen;16, the second shaft;17, the second protective cover;18, accumulator;19, audio and video Processor;20, microprocessor;21, the first mounting groove;22, the first loud speaker;23, the second mounting groove;24, the second loud speaker.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings:
Embodiment 1
As shown in Figure 1-Figure 3, a kind of intelligent controlling device of LED display, including control shell 1, starting switch 2, just Rotary switch 3, is provided with that starting switch 2, positive rotation switch 3, reverse rotation switch 4, just verting switch on control shell 1 outer surface 5, the anti-switch 6 that verts, communication connector 8 and USB joint 9, starting switch 2, which serves, to be powered on, the 3 control rotations of positive rotation switch 7 rotating forward of rotating motor acts on, 47 reversal effects of control electric rotating machine of reverse rotation switch, and 5, the switch that just verting controls the motor that verts 11 are just verting effect, and the anti-switch 6 that verts plays control and verts that motor 11 is counter to vert, and communication connector 8 rises to be connect with communication apparatus Effect, USB joint 9 play connection USB device, control shell 1 and are internally provided with accumulator 18, audio video processor 19 and micro- Processor 20, accumulator 18 play offer electric energy effect, 19 model LKV323 of audio video processor, and audio video processor 19 plays sound Video data decoding acts on, and 20 model STM32F103RBT6 of microprocessor, microprocessor 20 plays data processing, controls Electric rotating machine 7,7 model Z62 of electric rotating machine are provided among 1 upper surface of shell, electric rotating machine 7, which rises, provides rotary power work With 7 upper end of electric rotating machine is provided with holder 10, and holder 10 plays a supportive role, and is opened up on 10 one of support arm leading flank of holder There is the first mounting groove 21, the first mounting groove 21 plays installation, and the first mounting groove 21 is internally provided with the first loud speaker 22, and first 22 model MY12-22021B of loud speaker, the first loud speaker 22 play sounding, and 21 opening of the first mounting groove is provided with first Protective cover 12, the first protective cover 12 play protective action, the second mounting groove 23 are offered on another the support arm leading flank of holder 10, Second mounting groove 23 plays installation, and the second mounting groove 23 is internally provided with the second loud speaker 24,24 model of the second loud speaker MY12-22021B, the second loud speaker 24 play sounding, and 23 opening of the second mounting groove is provided with the second protective cover 17, and second Protective cover 17 plays protective action, and 10 inside of holder is provided with display screen shell 14, and display screen shell 14 plays protective action, display screen 14 front surface of shell is provided with display screen 15,15 model LED1602 of display screen, and display screen 15 plays display, display screen shell Body is connect on 14 one of side with 13 one end of first rotating shaft, and first rotating shaft 13 plays gearing, first rotating shaft 13 other one End is coaxially connected across one of holder 10 support arm and the motor 11 that verts, and vert 11 model Z62 of motor, and vert motor 11 Serve and the power that verts is provided, is connect with 16 one end of the second shaft on another side of display screen shell 14, the second shaft 16 Gearing is played, 16 other end of the second shaft is connect with another support arm of holder 10, and starting switch 2 is logical with accumulator 18 Cross electric connection, positive rotation switch 3, reverse rotation switch 4, the switch 5 that just verting, the anti-switch 6 that verts, audio video processor 19 and micro- For processor 20 respectively with starting switch 2 by being electrically connected, positive rotation switch 3 and reverse rotation switch 4 are logical with electric rotating machine 7 respectively Cross electric connection, just verting switch 5 and it is counter vert switch 6 respectively with vert motor 11 by be electrically connected, communication connector 8 with it is micro- Processor 20 is by being electrically connected, USB joint 9, display screen 15, microprocessor 20, the first loud speaker 22 and the second loud speaker 24 Pass through electric connection with audio video processor 19 respectively.
In the present embodiment, accumulator 18, audio video processor 19 and microprocessor 20 pass through screw with control shell 1 respectively Connection.
In the present embodiment, starting switch 2, positive rotation switch 3, reverse rotation switch 4, just verting switch 5 and the anti-switch 6 that verts It is embedded in respectively on control shell 1.
In the present embodiment, communication connector 8 and USB joint 9 are embedded in respectively on control shell 1.
In the present embodiment, electric rotating machine 7 is connected by screw with control shell 1, and holder 10 is welded with electric rotating machine 7.
In the present embodiment, the first protective cover 12, the second protective cover 17, the first loud speaker 22 and the second loud speaker 24 respectively with Holder 10 is connected by screw.
In the present embodiment, display screen 15 is embedded on display screen shell 14.
In the present embodiment, first rotating shaft 13 and the second shaft 16 are welded with display screen shell 14 respectively, 13 He of first rotating shaft Second shaft 16 is connect with holder 10 by bearing respectively.
In the present embodiment, the motor 11 that verts is connected by screw with holder 10, and the motor 11 that verts passes through with first rotating shaft 13 Shaft coupling connects.
Embodiment 2
The present embodiment and embodiment 1 difference lies in:Accumulator 18, audio video processor 19 and microprocessor 20 respectively with Control shell 1 is connected by screw, and starting switch 2, reverse rotation switch 4, is just verting and switch 5 and counter verting out at positive rotation switch 3 6 are closed to be embedded in respectively on control shell 1, communication connector 8 and USB joint 9 are embedded in respectively on control shell 1, electric rotating machine 7 with Control shell 1 is connected by screw, and holder 10 is welded with electric rotating machine 7, and the first protective cover 12, the second protective cover 17, first are raised Sound device 22 and the second loud speaker 24 are connected by screw with holder 10 respectively, and display screen 15 is embedded on display screen shell 14, the One shaft 13 and the second shaft 16 are welded with display screen shell 14 respectively, first rotating shaft 13 and the second shaft 16 respectively with holder 10 It is connected by bearing, the motor 11 that verts is connected by screw with holder 10, and the motor 11 that verts passes through shaft coupling with first rotating shaft 13 Connection.
The present invention also provides a kind of control methods of the intelligent controlling device of LED display, and it is aobvious to be applied to a kind of above-mentioned LED In the intelligent controlling device of display screen, specific control method is:Communication apparatus and communication connector 8 are connected, or by USB device with USB joint 9 connects, and carries out providing audio and video input source, presses starting switch 2, and accumulator 18 provides electric energy, and communication connector 8 will Audio, video data is transmitted to audio video processor 19, and audio, video data is directly transmitted to audio video processor 19 by USB joint 9, Audio video processor 19 is decoded conversion to audio, video data, and transformed video signal transmission to display screen 15 is shown Picture, transformed audio signal transmission to the first loud speaker 22 and the second loud speaker 24 carry out sound output, press positive rotation Switch 3, electric rotating machine 7 are rotated clockwise by 10 driving display screen 15 of holder, press reverse rotation switch 4, electric rotating machine 7 It is rotated counterclockwise by 10 driving display screen 15 of holder, the level angle of adjustment display screen 15 can be facilitated, press and just incline Pass 5 is turned on, the motor 11 that verts is verted clockwise by 13 driving display screen 15 of first rotating shaft, presses the anti-switch 6 that verts, vert electricity Machine 11 is verted counterclockwise by 13 driving display screen 15 of first rotating shaft, can quickly be adjusted the vertical angles of display screen 15, be made to show Display screen 15 can be positioned quickly to suitable position.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe the originals of the present invention Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements It all fall within the protetion scope of the claimed invention.

Claims (10)

1. a kind of intelligent controlling device of LED display, it is characterised in that:Including control shell (1), starting switch (2), dextrorotation Pass (3) is turned on, the starting switch (2), positive rotation switch (3), derotation are provided on control shell (1) outer surface Turn on pass (4), the switch (5) that just verting, the anti-switch (6) that verts, communication connector (8) and USB joint (9), the control shell (1) Accumulator (18), audio video processor (19) and microprocessor (20) are internally provided with, among control shell (1) upper surface It is provided with electric rotating machine (7), electric rotating machine (7) upper end is provided with holder (10), the one of support arm of the holder (10) The first mounting groove (21) is offered on leading flank, first mounting groove (21) is internally provided with the first loud speaker (22), described First mounting groove (21) opening is provided with the first protective cover (12), is opened up on described another support arm leading flank of holder (10) There are the second mounting groove (23), second mounting groove (23) to be internally provided with the second loud speaker (24), second mounting groove (23) opening is provided with the second protective cover (17), and display screen shell (14), the display are provided on the inside of the holder (10) Screen shell (14) front surface is provided with display screen (15), on the one of side of the display screen shell (14) with first rotating shaft (13) one end connects, and first rotating shaft (13) other end passes through one of the holder (10) support arm and the motor that verts (11) coaxially connected, it is connect with the second shaft (16) one end on described another side of display screen shell (14), described second Shaft (16) other end is connect with another support arm of the holder (10), the starting switch (2) and the accumulator (18) by being electrically connected, positive rotation switch (3), reverse rotation switch (4), the switch (5) that just verting, it is described instead Vert switch (6), the audio video processor (19) and the microprocessor (20) passes through electricity with the starting switch (2) respectively Property connection, positive rotation switch (3) and reverse rotation switch (4) respectively with the electric rotating machine (7) by electric connection, Switch (5) and the anti-switch (6) that verts of just verting is described logical respectively with the motor that verts (11) by being electrically connected Connector (8) is interrogated with the microprocessor (20) by being electrically connected, it is the USB joint (9), the display screen (15), described micro- Processor (20), first loud speaker (22) and second loud speaker (24) are logical with the audio video processor (19) respectively Cross electric connection.
2. a kind of intelligent controlling device of LED display according to claim 1, it is characterised in that:The accumulator (18), the audio video processor (19) and the microprocessor (20) are connected by screw with the control shell (1) respectively.
3. a kind of intelligent controlling device of LED display according to claim 1, it is characterised in that:The starting switch (2), the positive rotation switch (3), reverse rotation switch (4), switch (5) and the anti-switch (6) that verts of just verting It is embedded in respectively on the control shell (1).
4. a kind of intelligent controlling device of LED display according to claim 1, it is characterised in that:The communication connector (8) it is embedded in respectively on the control shell (1) with the USB joint (9).
5. a kind of intelligent controlling device of LED display according to claim 1, it is characterised in that:The electric rotating machine (7) it is connected by screw with the control shell (1), the holder (10) is welded with the electric rotating machine (7).
6. a kind of intelligent controlling device of LED display according to claim 1, it is characterised in that:First protection Cover (12), second protective cover (17), first loud speaker (22) and second loud speaker (24) respectively with the branch Frame (10) is connected by screw.
7. a kind of intelligent controlling device of LED display according to claim 1, it is characterised in that:The display screen (15) it is embedded on the display screen shell (14).
8. a kind of intelligent controlling device of LED display according to claim 1, it is characterised in that:The first rotating shaft (13) it is welded respectively with the display screen shell (14) with second shaft (16), the first rotating shaft (13) and described second Shaft (16) is connect with the holder (10) by bearing respectively.
9. a kind of intelligent controlling device of LED display according to claim 1, it is characterised in that:The motor that verts (11) it is connected by screw with the holder (10), the motor that verts (11) is connected with the first rotating shaft (13) by shaft coupling It connects.
10. the intelligent controlling device and control method of a kind of LED display are applied to described in claim 1 to 9 any one In a kind of intelligent controlling device of LED display, it is characterised in that:Specifically control method is:Communication apparatus is led to described It interrogates connector (8) to connect, or USB device is connect with the USB joint (9), carry out providing audio and video input source, press described open Dynamic switch (2), the accumulator (18) provide electric energy, and audio, video data is transmitted to the audio and video by the communication connector (8) Audio, video data is directly transmitted to the audio video processor (19) by processor (19), the USB joint (9), and the sound regards Frequency processor (19) is decoded conversion to audio, video data, and transformed video signal transmission to the display screen (15) carries out Show that picture, transformed audio signal transmission to first loud speaker (22) and second loud speaker (24) carry out sound Output, presses the positive rotation switch (3), and the electric rotating machine (7) drives the display screen (15) by the holder (10) It is rotated clockwise, presses the reverse rotation switch (4), the electric rotating machine (7) passes through described in the holder (10) drive Display screen (15) is rotated counterclockwise, can facilitate the level angle for adjusting the display screen (15), is pressed and described is just verted It switchs (5), the motor that verts (11) drives the display screen (15) to vert clockwise by the first rotating shaft (13), presses The anti-switch (6) that verts, the motor that verts (11) drive display screen (15) inverse time by the first rotating shaft (13) Needle verts, and can quickly adjust the vertical angles of the display screen (15), makes the display screen (15) that can quickly position to conjunction It sets right position.
CN201810840793.6A 2018-07-27 2018-07-27 A kind of intelligent controlling device and control method of LED display Pending CN108648641A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810840793.6A CN108648641A (en) 2018-07-27 2018-07-27 A kind of intelligent controlling device and control method of LED display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810840793.6A CN108648641A (en) 2018-07-27 2018-07-27 A kind of intelligent controlling device and control method of LED display

Publications (1)

Publication Number Publication Date
CN108648641A true CN108648641A (en) 2018-10-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810840793.6A Pending CN108648641A (en) 2018-07-27 2018-07-27 A kind of intelligent controlling device and control method of LED display

Country Status (1)

Country Link
CN (1) CN108648641A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109619924A (en) * 2018-11-23 2019-04-16 朱雅涵 A kind of bill displaying device
CN110805803A (en) * 2019-11-22 2020-02-18 江苏盐西新城教育产业项目开发有限公司 Display device convenient to remove and but multidirectional regulation of remote control

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109619924A (en) * 2018-11-23 2019-04-16 朱雅涵 A kind of bill displaying device
CN110805803A (en) * 2019-11-22 2020-02-18 江苏盐西新城教育产业项目开发有限公司 Display device convenient to remove and but multidirectional regulation of remote control

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