CN111312071A - Splicing method of novel multi-screen advertisement player - Google Patents
Splicing method of novel multi-screen advertisement player Download PDFInfo
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- CN111312071A CN111312071A CN201911245374.9A CN201911245374A CN111312071A CN 111312071 A CN111312071 A CN 111312071A CN 201911245374 A CN201911245374 A CN 201911245374A CN 111312071 A CN111312071 A CN 111312071A
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- clamping plate
- splicing
- novel multi
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- groove
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
Abstract
The invention discloses a splicing method of a novel multi-screen advertisement machine, belonging to the field of advertisement devices, which can realize the splicing of a plurality of display screens so as to improve the effect of advertisement propaganda, simultaneously control the plurality of display screens by utilizing a decoding board so as to ensure that the plurality of display screens play a video picture so as to increase the propaganda area and attract the attention of passing consumers, splice the display screens by utilizing a fixing device, clamp the display screens by utilizing an upper clamping plate, a lower clamping plate and splicing plates, flexibly select the number of the splicing plates according to the number of the display screens to be spliced, realize the expansion and contraction of an elastic rod by utilizing the elasticity of a tension spring, tightly pull a connecting rod by the elasticity of the tension spring when the connecting rod is clamped into a groove on a clamping block, limit the connecting rod by the groove so as to realize the assembly between the splicing plates and the upper clamping plate and the lower clamping plate, and has simple structure and convenient operation, the display screen is convenient to splice up and down.
Description
Technical Field
The invention relates to the field of advertisement devices, in particular to a splicing method of a novel multi-screen advertisement machine.
Background
With the popularity of advertisement machines and the popularization of flat panel display devices such as plasma display devices, liquid crystal display devices and the like, the development of network streaming media technology and system architecture have undergone several generations of changes, the system architecture is initially composed of a display screen and a DVD player or a PC (personal computer), then network technology is introduced, a special network media player replaces the traditional pure DVD or PC playing form, the functions become richer, the application also becomes more diversified, the application of the advertisement machines is very wide, the advertisement machines can be used in large markets, convention places, squares, hotels and families, the effectiveness of advertisement contents is strong, the updating speed is high, and the contents can be changed and replaced at any time.
The mainstream advertisement machines in the market at present are single display screens, and are still suitable for in places such as elevator, subway, station, but to open areas such as shopping mall, square, in order to arouse consumer's attention, the requirement display screen is big enough outstanding enough, and single display screen obviously can not satisfy, and the large-scale display screen price of installation is too high again, and power consumption is also big, still occupation space.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a novel splicing method of a multi-screen advertising machine, which can realize the splicing of a plurality of display screens so as to improve the advertising effect, simultaneously control the plurality of display screens by using a decoding board to enable the plurality of display screens to play a video picture so as to increase the advertising area and attract the attention of the passing consumers, splice the display screens by using a fixing device, clamp the display screens by using an upper clamping plate, a lower clamping plate and splicing plates, flexibly select the number of the splicing plates according to the number of the display screens to be spliced, realize the expansion and contraction of an elastic rod by using the elasticity of a tension spring, when the connecting rod is clamped into a groove on a clamping block, the connecting rod is tightly pulled by the elasticity of the tension spring, the connecting rod is limited by the groove so as to realize the assembly of the splicing plates with the upper clamping plate and the lower clamping plate, simple structure, convenient operation are convenient for splice a plurality of display screens from top to bottom.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A splicing method of a novel multi-screen advertisement machine comprises the following steps:
s1, mounting a control box on a base, mounting a power supply, a driving board and a decoding board in the control box, connecting a control bus with the decoding board, extending the control bus to the outer side of the control box, and connecting the other end of the control bus with a main connecting seat;
s2, splicing a plurality of display screens from top to bottom and fixing the display screens by a fixing device;
and S3, connecting the display control lines of each display screen with the general connecting base, so that the decoding board can control a plurality of display screens through the control bus.
Further, the fixing device in S2 includes an upper clamping plate, a lower clamping plate, a plurality of sets of splice plates, and two sealing plates, both of which are threadedly connected with two bolts, and the bolt is connected with the upper clamping plate and the lower clamping plate by screw thread, the side walls of the upper clamping plate, the lower clamping plate and the plurality of groups of splicing plates are all provided with limit grooves, the side walls of the upper ends of the lower clamping plate and the splicing plate are fixedly connected with two vertically arranged inserting rods, the two inserting rods are respectively arranged at the two sides of the limiting groove, the side walls of the lower ends of the upper clamping plate and the splicing plate are respectively provided with two inserting holes matched with the inserting rods, the side walls of the lower ends of the upper clamping plate and the splicing plate are respectively fixedly connected with a clamping block, and the side wall of the upper end of the clamping block is provided with a groove, the side walls of the upper ends of the lower clamping plate and the splicing plate are fixedly connected with two fixing blocks, and the lateral walls of the two fixed blocks are rotatably connected with elastic rods, and connecting rods are fixedly connected between the upper ends of the elastic rods.
Further, the quantity of punch holder and lower plate is two, and the both sides of display screen are cliied to punch holder and lower plate to this realization is fixed to the display screen, and when display screen quantity was one, also can fix the display screen with two shroudings and two punch holders or two lower plates, when display screen quantity was two and above, it was fixed with two shroudings and two punch holders, two lower plates to need.
Further, the upper end lateral wall of punch holder and the lower extreme lateral wall of lower plate all set up the screw hole that matches with the bolt, and the connected mode of bolt and screw hole is convenient for install and is connected stably, and threaded connection's mode makes the shrouding of upper end connect two punch holders together, and the shrouding of lower extreme connects two lower plates together.
Furthermore, the general connecting seat is in threaded connection with the side wall of the upper clamping plate through a screw, the general connecting seat is convenient to mount and dismount through the screw, and the damage force of the screw to the upper clamping plate is small.
Further, the elastic rod comprises a first rod body and a second rod body, the first rod body is of a hollow structure, the second rod body is inserted into the first rod body and arranged, a mounting groove is formed in the side wall of the lower end of the second rod body, an extension spring is fixedly connected between the inner wall of the upper end of the mounting groove and the inner wall of the lower end of the first rod body, the second rod body is outwards pulled out during splicing, the connecting rod is placed into a groove in the clamping block, the connecting rod is tightly pressed in the groove due to the fact that the elastic force of the extension spring is loosened, and therefore the splicing plate is connected with the upper clamping plate and the lower clamping plate.
Further, the lateral wall fixedly connected with handle of connecting rod, and it has the rubber sleeve to wrap up on hand, and the connecting rod is pulled to the convenient hand of handle, and the main protection hand of rubber sleeve is not scotched.
Further, the width of spacing groove and the thickness phase-match of display screen, and it has the rubber pad to bond on the lateral wall of spacing groove, and the display screen is put in the spacing groove, and if the width of spacing groove is greater than the thickness of display screen and can cause the display screen to rock, so the width of spacing groove will just let the display screen put into, and the rubber pad plays the effect on four limits of protection display screen, and the rubber pad has certain elasticity simultaneously, can let the better fixing the display screen of spacing groove.
Furthermore, the height of the groove is larger than the diameter of the connecting rod, the groove is used for limiting the connecting rod, if the connecting rod leaks out of the groove, the connecting rod easily slides out to cause the splicing plates to be scattered, and therefore the connecting rod is completely positioned in the groove.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) it can realize the concatenation of a plurality of display screens, with this effect that improves advertising, utilize a decoding deck to come a plurality of display screens of simultaneous control, let a video picture of a plurality of display screen broadcast, increase the area of propaganda with this and attract past consumer's attention, utilize fixing device to come the concatenation display screen, through the punch holder, the display screen is cliied to lower plate and splice plate, and the quantity of splice plate can carry out nimble selection according to the quantity of the display screen that wants the concatenation, the elasticity that utilizes extension spring realizes the flexible of elastic rod, when the connecting rod card advances in the recess on the fixture block, extension spring's elasticity tightly pulls the connecting rod, the connecting rod is restricted by the recess, in order to realize the equipment between splice plate and the punch holder, the lower plate, moreover, the steam generator is simple in structure, and convenient for operation, be convenient for splice a plurality of display screens from top to bottom.
(2) The quantity of punch holder and lower plate is two, and the both sides of display screen are cliied to punch holder and lower plate to this realization is to the fixed of display screen, when display screen quantity is one, also can fix the display screen with two shroudings and two punch holders or two lower plates, when display screen quantity is two and above, needs to be fixed with two shroudings and two punch holders, two lower plates.
(3) The screw hole that matches with the bolt is all seted up to the upper end lateral wall of punch holder and the lower extreme lateral wall of lower plate, and the bolt is convenient for install and is connected stably with the connected mode of screw hole, and threaded connection's mode makes the shrouding of upper end couple together two punch holders, and the shrouding of lower extreme couples together two lower plates.
(4) The general connecting seat is in threaded connection with the side wall of the upper clamping plate through screws, the general connecting seat is convenient to mount and dismount through screws, and the damage force of the screws to the upper clamping plate is small.
(5) The elastic rod comprises a first rod body and a second rod body, the first rod body is of a hollow structure, the second rod body is inserted into the first rod body and arranged, the mounting groove is formed in the side wall of the lower end of the second rod body, a stretching spring is fixedly connected between the inner wall of the upper end of the mounting groove and the inner wall of the lower end of the first rod body, the second rod body is outwards pulled out during splicing, the connecting rod is placed into a groove in the clamping block, the connecting rod is tightly pressed in the groove due to the fact that the elastic force of the stretching spring is loosened, and therefore the splicing plate is connected with the upper clamping plate and the lower clamping plate.
(6) The lateral wall fixedly connected with handle of connecting rod, and it has the rubber sleeve to wrap up on hand, and the connecting rod is pulled to the convenient hand power of handle, and the main protection hand of rubber sleeve is not scotched.
(7) The width of spacing groove and the thickness phase-match of display screen, and it has the rubber pad to bond on the lateral wall of spacing groove, and the display screen is put in the spacing groove, and if the width of spacing groove is greater than the thickness of display screen and can cause the display screen to rock, so the width of spacing groove will just let the display screen put into, and the rubber pad plays the effect on four limits of protection display screen, and the rubber pad has certain elasticity simultaneously, can let the better fixing the display screen of spacing groove.
(8) The height of the groove is larger than the diameter of the connecting rod, the groove is used for limiting the connecting rod, if the connecting rod leaks out of the groove, the connecting rod easily slides out to cause the splicing plates to be scattered, and therefore the connecting rod is completely positioned in the groove.
Drawings
FIG. 1 is a schematic representation of the steps of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic view of the structure at A in FIG. 2;
FIG. 4 is a schematic illustration of an explosive structure according to the present invention;
FIG. 5 is a schematic front view of the present invention;
fig. 6 is a schematic cross-sectional view of the elastic rod of the present invention.
The reference numbers in the figures illustrate:
the display device comprises a control box 1, a control bus 2, a general connecting seat 3, a display screen 4, an upper clamping plate 5, a lower clamping plate 6, a splicing plate 7, a sealing plate 8, a bolt 9, a limiting groove 10, an inserted rod 11, a clamping block 12, a fixing block 13, an elastic rod mechanism 14, a first rod body 1401, a second connecting rod 1402, an extension spring 1403, a handle 15 and a connecting rod 16.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1 to 6, a splicing method of a novel multi-screen advertisement player includes the following steps:
referring to fig. 1, S1, a control box 1 is mounted on a base, a power supply, a driving board and a decoding board are mounted in the control box 1, a control bus 2 is connected with the decoding board, the control bus 2 extends to the outer side of the control box 1, and the other end of the control bus 2 is connected with a main connecting base 3;
s2, splicing the display screens 4 from top to bottom and fixing the display screens by a fixing device;
s3, connecting the display control line of each display screen 4 with the general connecting base, so that the decoding board can control a plurality of display screens 4 through the control bus 2;
referring to fig. 2 and 4-5, the fixing device in S2 includes an upper clamping plate 5, a lower clamping plate 6, a plurality of sets of splice plates 7 and two seal plates 8, the main connecting seat 3 is connected with the side wall of the upper clamping plate 5 by screw threads, the main connecting seat 3 is convenient to mount and dismount by screw, the screw has small damage force to the upper clamping plate 5, the number of the upper clamping plate 5 and the lower clamping plate 6 is two, the upper clamping plate 5 and the lower clamping plate 6 clamp both sides of the display screen 4, thereby fixing the display screen 4, when the number of the display screen 4 is one, the display screen 4 can be fixed by using the two seal plates 8 and the two upper clamping plates 5 or the two lower clamping plates 6, when the number of the display screen 4 is two or more, the two seal plates 8 and the two upper clamping plates 5 and the two lower clamping plates 6 are required to be fixed, two bolts 9 are connected with the two seal plates 8 by screw threads, and the bolts 9 are connected with the upper clamping plate 5 and the, the upper end side wall of the upper clamping plate 5 and the lower end side wall of the lower clamping plate 6 are both provided with threaded holes matched with the bolts 9, the bolts 9 are connected with the threaded holes in a convenient and stable manner, the upper end sealing plate 8 connects the two upper clamping plates 5, the lower end sealing plate 8 connects the two lower clamping plates 6, the side walls of the upper clamping plates 5, the lower clamping plates 6 and the multiple groups of splicing plates 7 are all provided with limiting grooves 10, the width of each limiting groove 10 is matched with the thickness of the display screen 4, rubber pads are bonded on the side walls of the limiting grooves 10, the display screen 4 is placed in the limiting grooves 10, if the width of each limiting groove 10 is larger than the thickness of the display screen 4, the display screen 4 can shake, so that the width of each limiting groove 10 can just allow the display screen 4 to be placed in, the rubber pads play a role in protecting four edges of the display screen 4, and meanwhile, the display screen 4 can be better fixed by the limiting groove 10, the upper end side walls of the lower clamping plate 6 and the splicing plate 7 are fixedly connected with two vertically arranged inserting rods 11, the two inserting rods 11 are respectively arranged at two sides of the limiting groove 10, the lower end side walls of the upper clamping plate 5 and the splicing plate 7 are respectively provided with two inserting holes matched with the inserting rods 11, the lower end side walls of the upper clamping plate 5 and the splicing plate 7 are fixedly connected with a clamping block 12, and the upper end side wall of the clamping block 12 is provided with a groove;
referring to fig. 3 and 6, two fixing blocks 13 are fixedly connected to the upper end side walls of the lower clamping plate 6 and the splicing plate 7, and the side walls of the two fixing blocks 13 are rotatably connected to elastic rods 14, each elastic rod 14 includes a first rod 1401 and a second rod 1402, the first rod 1401 is a hollow structure, the second rod 1402 is inserted into the first rod 1401, a mounting groove is formed in the lower end side wall of the second rod 1402, a tension spring 1403 is fixedly connected between the upper end inner wall of the mounting groove and the lower end inner wall of the first rod 1401, the second rod 1402 is pulled out during splicing, the connecting rod 16 is placed into a groove on the clamping block 12, the connecting rod 16 is tightly pressed in the groove by loosening the elastic force of the tension spring 1403, so as to connect the splicing plate 7 with the upper clamping plate 5 and the lower clamping plate 6, a connecting rod 16 is fixedly connected between the upper ends of the two elastic rods 14, and a handle 15 is fixedly connected to the side wall of the connecting rod, and the handle 15 is wrapped by the rubber sleeve, the handle 15 is convenient for the connecting rod 16 to be pulled by hand, the rubber sleeve mainly protects the hand from being scratched, the height of the groove is larger than the diameter of the connecting rod 16, the groove is used for limiting the connecting rod 16, if the connecting rod 16 leaks outside the groove, the connecting rod 16 can easily slide out to cause the splicing plate 7 to be scattered, and therefore the connecting rod 16 is required to be completely positioned in the groove.
When splicing the display screens 4, firstly connecting the two upper clamping plates 5 by using the sealing plates 8, fixing the two upper clamping plates by using the bolts 9, then placing the splicing plates 7 at the lower ends of the upper clamping plates 5, inserting the inserting rods 11 on the splicing plates 7 into the inserting holes on the upper clamping plates 5, turning the elastic rods 14 to the upper sides and upwards pulling the connecting rods 16 after the splicing plates are inserted in place, loosening the connecting rods 16 when the connecting rods 16 are positioned above the clamping blocks 12, tightly pressing the connecting rods 16 in the grooves by the elasticity of the tension springs 1403 so as to realize the connection of the splicing plates 7 and the upper clamping plates 5, connecting the lower clamping plates 6 and the splicing plates 7 by using the same method, determining the number of the splicing plates 7 according to the number of the display screens 4 to be spliced, sequentially placing the display screens 4 along the limiting grooves 10 after the splicing, finally connecting the two lower clamping plates 6 by using the other sealing plate 8, connecting the display control lines of each display screen 4 to the general connecting seat 3 after the splicing of, thus, the decoding board can control a plurality of display screens 4 through the control bus 2 to play a video picture.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (9)
1. A splicing method of a novel multi-screen advertisement machine is characterized by comprising the following steps: the method comprises the following steps:
s1, mounting a control box (1) on a base, mounting a power supply, a drive board and a decoding board in the control box (1), connecting a control bus (2) and the decoding board together, extending the control bus (2) to the outer side of the control box (1), and connecting a main connecting seat (3) at the other end of the control bus (2);
s2, splicing a plurality of display screens (4) from top to bottom and fixing the display screens by a fixing device;
and S3, connecting the display control line on each display screen (4) with the general connecting base, so that the decoding board can control a plurality of display screens (4) through the control bus (2).
2. A splicing method for a novel multi-screen advertising machine according to claim 1, wherein: the fixing device in the S2 comprises an upper clamping plate (5), a lower clamping plate (6), a plurality of groups of splicing plates (7) and two sealing plates (8), wherein two bolts (9) are in threaded connection with the two sealing plates (8), the bolts (9) are in threaded connection with the upper clamping plate (5) and the lower clamping plate (6), the side walls of the upper clamping plate (5), the lower clamping plate (6) and the plurality of groups of splicing plates (7) are respectively provided with a limiting groove (10), the upper end side walls of the lower clamping plate (6) and the splicing plates (7) are respectively and fixedly connected with two vertically arranged insertion rods (11), the two insertion rods (11) are respectively positioned at two sides of the limiting groove (10), the lower end side walls of the upper clamping plate (5) and the splicing plates (7) are respectively provided with two insertion holes matched with the insertion rods (11), the lower end side walls of the upper clamping plate (5) and the splicing plates (7) are respectively and fixedly connected with a clamping, and the side wall of the upper end of the clamping block (12) is provided with a groove, the side walls of the upper ends of the lower clamping plate (6) and the splicing plate (7) are fixedly connected with two fixing blocks (13), the side walls of the two fixing blocks (13) are rotatably connected with elastic rods (14), and connecting rods (16) are fixedly connected between the upper ends of the elastic rods (14).
3. A splicing method for a novel multi-screen advertising machine according to claim 2, wherein: the number of the upper clamping plate (5) and the lower clamping plate (6) is two.
4. A splicing method for a novel multi-screen advertising machine according to claim 2, wherein: and threaded holes matched with the bolts (9) are formed in the side wall of the upper end of the upper clamping plate (5) and the side wall of the lower end of the lower clamping plate (6).
5. A splicing method for a novel multi-screen advertising machine according to claim 2, wherein: the general connecting seat (3) is in threaded connection with the side wall of the upper clamping plate (5) through a screw.
6. A splicing method for a novel multi-screen advertising machine according to claim 2, wherein: the elastic rod (14) comprises a first rod body (1401) and a second rod body (1402), the first rod body (1401) is of a hollow structure, the second rod body (1402) is inserted into the first rod body (1401) to be arranged, a mounting groove is formed in the side wall of the lower end of the second rod body (1402), and a stretching spring (1403) is fixedly connected between the inner wall of the upper end of the mounting groove and the inner wall of the lower end of the first rod body (1401).
7. A splicing method for a novel multi-screen advertising machine according to claim 2, wherein: the lateral wall fixedly connected with handle (15) of connecting rod (16), and the parcel has the rubber sleeve on handle (15).
8. A splicing method for a novel multi-screen advertising machine according to claim 2, wherein: the width of the limiting groove (10) is matched with the thickness of the display screen (4), and a rubber pad is bonded on the side wall of the limiting groove (10).
9. A splicing method for a novel multi-screen advertising machine according to claim 2, wherein: the height of the groove is greater than the diameter of the connecting rod (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911245374.9A CN111312071A (en) | 2019-12-07 | 2019-12-07 | Splicing method of novel multi-screen advertisement player |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911245374.9A CN111312071A (en) | 2019-12-07 | 2019-12-07 | Splicing method of novel multi-screen advertisement player |
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| Publication Number | Publication Date |
|---|---|
| CN111312071A true CN111312071A (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911245374.9A Pending CN111312071A (en) | 2019-12-07 | 2019-12-07 | Splicing method of novel multi-screen advertisement player |
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| Country | Link |
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| CN (1) | CN111312071A (en) |
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| CN209053889U (en) * | 2018-11-12 | 2019-07-02 | 福建鑫鸣声智能科技有限公司 | A kind of LED display splicing construction |
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| CN110264875A (en) * | 2019-07-17 | 2019-09-20 | 合肥统旭智慧科技有限公司 | A kind of outdoor large, which is shown, uses mosaic screen |
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| CN203300153U (en) * | 2013-03-28 | 2013-11-20 | 北京彩讯科技股份有限公司 | Ultrahigh-resolution-ratio LED splicing displaying system |
| US20160161784A1 (en) * | 2014-12-09 | 2016-06-09 | Boe Technology Group Co., Ltd. | Spliced display and display system |
| CN204507026U (en) * | 2015-03-23 | 2015-07-29 | 盐城协同机械有限公司 | A kind of tractor hood locking device |
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Application publication date: 20200619 |
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| RJ01 | Rejection of invention patent application after publication |