CN113781915A - Digital media propagation device applied to information and communication engineering - Google Patents
Digital media propagation device applied to information and communication engineering Download PDFInfo
- Publication number
- CN113781915A CN113781915A CN202111087566.9A CN202111087566A CN113781915A CN 113781915 A CN113781915 A CN 113781915A CN 202111087566 A CN202111087566 A CN 202111087566A CN 113781915 A CN113781915 A CN 113781915A
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- groove
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- control
- fixedly connected
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4418—Arrangements for stopping winding or unwinding; Arrangements for releasing the stop means
- B65H75/4428—Arrangements for stopping winding or unwinding; Arrangements for releasing the stop means acting on the reel or on a reel blocking mechanism
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The invention discloses a digital media transmission device applied to information and communication engineering, which comprises a base, wherein a connecting groove is arranged at the lower side of the base, a storage groove is arranged at the bottom of the connecting groove, a control center is fixedly connected in the storage groove, a connecting wire is fixedly connected to the left side of the control center and penetrates through the storage groove, a plug is fixedly connected to the outer side of the base, the connecting wire is positioned in the base, a control device of the connecting wire is arranged in the base, a display screen is fixedly connected to the upper side of the base, the display screen and the control center are arranged in a matched mode, a heat dissipation plate is arranged in the connecting groove, a plurality of through holes are symmetrically arranged on the upper side of the heat dissipation plate, threaded rods are arranged in the through holes, and the threaded rods penetrate through the through holes. The invention not only can control the connecting wire in the device, but also provides two fixing modes in different directions, so that the integral fixed connection of the device is simpler.
Description
Technical Field
The invention relates to the technical field of digital media, in particular to a digital media propagation device applied to information and communication engineering.
Background
In information and communication engineering's propagation, often can utilize digital media to carry out the show and the propagation of information, traditional propagation device simple structure, mainly by the casing, control block and display screen triplex, moreover, the steam generator is simple in structure, the cost is lower, but in the use of reality, to the holistic fixed of device, fixed mode is comparatively single, can't be suitable for multiple different mounting means, and in holistic propagation device, the connecting wire length in its outside is fixed, can't be according to actual connection condition, adjust and control connecting wire length, high-time low when leading to the length of connecting wire, consequently, provide a digital media propagation device who is applied to information and communication engineering.
Disclosure of Invention
The invention aims to solve the defects in the prior art, such as: the fixed mode is single, can't be suitable for multiple different mounting means, and in the whole propagation device, the connecting wire length of its outside is fixed, can't regulate and control the connecting wire length according to the actual connection condition, and the digital media propagation device who provides and be applied to information and communication engineering.
In order to achieve the purpose, the invention adopts the following technical scheme:
a digital media transmission device applied to information and communication engineering comprises a base, wherein a connecting groove is arranged on the lower side of the base, a storage groove is arranged at the bottom of the connecting groove, a control center is fixedly connected and arranged in the storage groove, a connecting wire is fixedly connected and arranged on the left side of the control center and penetrates through the storage groove, a plug is fixedly connected and arranged on the outer side of the base, a control device of the connecting wire is arranged in the base, a display screen is fixedly connected and arranged on the upper side of the base, the display screen and the control center are arranged in a matching manner, a heat dissipation plate is arranged in the connecting groove, a plurality of through holes are symmetrically arranged on the upper side of the heat dissipation plate, threaded rods are arranged in the through holes, the threaded rods penetrate through the through hole arrangement, a plurality of threaded grooves are symmetrically arranged at the bottom of the connecting plate, a plurality of threaded grooves and threaded rods are arranged in a matching manner, and the threaded rods penetrate through the threaded grooves, the heating panel upside fixed connection is equipped with first spring, first spring runs through in storage tank and spread groove setting, first spring is located storage tank internal fixation and connects and is equipped with the contact plate, contact plate and control center contact setting, the base is equipped with connecting device.
Preferably, controlling means includes the wire chamber that sets up in the base, the connecting wire runs through in the setting of wire chamber, the rotation of wire intracavity is connected and is equipped with the dwang, the dwang runs through in the setting of wire chamber, the dwang is located the fixed cover of wire intracavity and is equipped with the wire wheel, connecting wire and wire wheel winding set up, the dwang is located the fixed cover in the base outside and is equipped with the carousel, carousel outside fixed connection is equipped with a plurality of archs, the base lateral wall is equipped with the spacing groove, sliding connection is equipped with the gag lever post in the spacing groove, the gag lever post is located the spacing groove fixed connection and is equipped with the second spring, the opposite side and the spacing groove fixed connection setting of second spring, the gag lever post is located the base outside and the setting of protruding matching.
Preferably, the connecting device includes four cavities symmetrically arranged in the base, four moving holes and four moving plates are arranged in the cavities, moving plates are arranged in the moving holes and penetrate through the moving holes, connecting holes are formed in the moving plates and located in the moving holes, the moving plates are fixedly connected and provided with control plates in the cavities, the control plates are fixedly connected and provided with third springs, and the other sides of the third springs and the cavities are fixedly connected and provided.
Preferably, be equipped with the control hole in the cavity, be equipped with the control lever in the control hole, the control lever runs through in the control hole setting, the control lever is located the fixed cover in the cavity and is equipped with the cam, fixed connection is equipped with the fixed block in the cavity, be equipped with two fixed slots, two on the fixed block fixed slot and cam match the setting.
Preferably, the base lateral wall is equipped with a plurality of draw-in grooves, and is a plurality of draw-in groove and control hole match the setting, and is a plurality of draw-in groove and control hole communicate with each other the setting, the control lever runs through in the draw-in groove setting, the control lever is located the draw-in groove sliding sleeve and is equipped with the cardboard, the control lever symmetry is equipped with two spouts, two sliding connection is equipped with the slider in the spout, the slider runs through in spout and cardboard inside wall fixed connection setting, cardboard and draw-in groove match the setting, the threaded sleeve is equipped with the nut on the control lever, the nut is located the outside and the cardboard contact connection setting of cardboard.
Preferably, a rubber pad is arranged in the connecting groove, the rubber pad and the connecting groove are arranged in a matching mode, and the rubber pad is located on the upper side of the heat dissipation plate and is in contact connection with the heat dissipation plate.
Compared with the prior art, the invention has the beneficial effects that: cooperate through dwang and wire wheel, the completion is located the length adjustment work in the base outside to the connecting wire, reduce the unnecessary length of connecting wire in the base outside, improve the utilization ratio of connecting wire, reduce the hindrance to other objects, a plurality of archs and the gag lever post that set up in the rethread carousel outside cooperate, accomplish the fixed operation of restriction to the carousel, through four movable plates, mutual cooperation between control panel and corresponding fixed block and the cam, the fixed operation of two kinds of not equidirectional modes is provided, the user can select according to the actual fixed condition, and can both make up the formula use, improve fixed effect, and these two kinds of fixed modes, can not interfere with each other, can not produce the hindrance, the whole easy operation, therefore, the clothes hanger is strong in practicability.
Drawings
Fig. 1 is a schematic structural diagram of a digital media broadcasting device applied to information and communication engineering according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
FIG. 4 is a schematic perspective view of a lever and a contact plate of a digital media dissemination device applied in information and communication engineering according to the present invention;
fig. 5 is a schematic cross-sectional connection diagram of a wire cavity in a digital media dissemination device applied to information and communication engineering according to the present invention.
In the figure: the display device comprises a base 1, a display screen 2, a storage groove 3, a control center 4, a connecting groove 5, a heat dissipation plate 6, a through hole 7, a threaded rod 8, a threaded groove 9, a cavity 10, a connecting wire 11, a plug 12, a control rod 13, a movable plate 14, a movable hole 15, a connecting hole 16, a control plate 17, a first spring 18, a control hole 19, a cam 20, a fixed block 21, a fixed groove 22, a clamping groove 23, a clamping plate 24, a sliding groove 25, a sliding block 26, a lead cavity 27, a rotating rod 28, a lead wheel 29, a rotating disc 30, a limiting groove 31, a limiting rod 32, a second spring 33, a third spring 34 and a contact plate 35.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-5, a digital media transmission device applied to information and communication engineering, comprising a base 1, a connecting groove 5 is provided at the lower side of the base 1, a storage groove 3 is provided at the bottom of the connecting groove 5, a control center 4 is fixedly connected in the storage groove 3, a connecting wire 11 is fixedly connected at the left side of the control center 4, the connecting wire 11 is arranged to penetrate through the storage groove 3, a plug 12 is fixedly connected at the outer side of the base 1 of the connecting wire 11, a control device of the connecting wire 11 is provided in the base 1, the control device comprises a wire cavity 27 arranged in the base 1, the connecting wire 11 penetrates through the wire cavity 27, a rotating rod 28 is rotatably connected in the wire cavity 27, the rotating rod 28 penetrates through the wire cavity 27, a wire wheel 29 is fixedly sleeved in the wire cavity 27 of the rotating rod 28, the connecting wire 11 and the wire wheel 29 are wound, a turntable 30 is fixedly sleeved at the outer side of the base 1 of the rotating rod 28, the outer side of the turntable 30 is fixedly connected with a plurality of bulges, the side wall of the base 1 is provided with a limiting groove 31, a limiting rod 32 is arranged in the limiting groove 31 in a sliding connection manner, the limiting rod 32 is positioned in the limiting groove 31 and fixedly connected with a second spring 33, the other side of the second spring 33 is fixedly connected with the limiting groove 31, the limiting rod 32 is positioned on the outer side of the base 1 and is arranged in a matching manner with the bulges, the limiting work of the turntable 30 is completed by matching the limiting rod 32 and the second spring 33 with the bulges on the turntable 30, and further the fixed limiting operation of the rotating rod 28 is completed, the upper side of the base 1 is fixedly connected with a display screen 2, the display screen 2 is arranged in a matching manner with the control center 4, a heat dissipation plate 6 is arranged in the connecting groove 5, a plurality of through holes 7 are symmetrically arranged on the upper side of the heat dissipation plate 6, threaded rods 8 are arranged in the plurality of through holes 7, the threaded rods 8 are arranged in the through holes 7, and a plurality of threaded grooves 9 are symmetrically arranged at the bottom of the connecting plate, the plurality of thread grooves 9 and the thread rods 8 are arranged in a matching way, the thread rods 8 are arranged in the thread grooves 9 in a penetrating way, the upper side of the heat dissipation plate 6 is fixedly connected with a first spring 18, the first spring 18 is arranged in the storage groove 3 and the connecting groove 5 in a penetrating way, the first spring 18 is arranged in the storage groove 3 and fixedly connected with a contact plate 35, the contact plate 35 is arranged in a contact way with the control center 4, a rubber pad is arranged in the connecting groove 5, the rubber pad is arranged in the connecting groove 5 in a matching way, the rubber pad is arranged in the upper side of the heat dissipation plate 6 and in the contact connection way with the heat dissipation plate 6, so that the connection between the heat dissipation plate 6 and the connecting groove 5 is more compact, the base 1 is provided with a connecting device, the connecting device comprises four cavities 10 symmetrically arranged in the base 1, four moving holes 15 are arranged in the four cavities 10, moving plates 14 are arranged in the four moving holes 15, the moving plates 14 are arranged in the moving holes 15, the movable plate 14 is positioned in the cavity 10 and fixedly connected with a control plate 17, the control plate 17 is fixedly connected with a third spring 34, the other side of the third spring 34 is fixedly connected with the cavity 10, a control hole 19 is arranged in the cavity 10, a control rod 13 is arranged in the control hole 19, the control rod 13 penetrates through the control hole 19, a cam 20 is fixedly sleeved in the cavity 10, a fixed block 21 is fixedly connected with the cavity 10, two fixed grooves 22 are arranged on the fixed block 21, the two fixed grooves 22 and the cam 20 are arranged in a matching manner, the control plate 17 is limited by matching the cam 20 on the control rod 13 with the fixed grooves 22, a plurality of clamping grooves 23 are arranged on the side wall of the base 1, the clamping grooves 23 and the control hole 19 are arranged in a matching manner, the clamping grooves 23 and the control hole 19 are arranged in a communicating manner, the control rod 13 penetrates through the clamping grooves 23, a clamping plate 24 is slidably sleeved on the control rod 13 in the clamping grooves 23, control lever 13 symmetry is equipped with two spouts 25, sliding connection is equipped with slider 26 in two spouts 25, slider 26 runs through in spout 25 and the setting of cardboard 24 inside wall fixed connection, cardboard 24 and draw-in groove 23 match the setting, threaded sleeve is equipped with the nut on the control lever 13, the outside that the nut is located cardboard 24 and the setting of cardboard 24 contact connection, utilize cardboard 24 to accomplish the sealed operation to draw-in groove 23, and carry out the restriction work that removes to the removal of control lever 13, wherein draw-in groove 23 and cardboard 24 are the square setting.
In the invention, when the length of the connecting wire 11 outside the base 1 needs to be adjusted, the specific operation is as follows: to the direction removal gag lever post 32 of keeping away from carousel 30, when gag lever post 32 compression second spring 33, make gag lever post 32 and carousel 30 disconnection, rotating carousel 30, it drives wire wheel 29 through dwang 28 to rotate, the completion is to the regulation work of base 1 outside connecting wire 11 length, loosen gag lever post 32, the effect of second spring 33 down the gag lever post 32 and the protruding contact on the carousel 30, the completion is to the restriction work of carousel 30, when needs are whole to carry out fixed operation with the device, concrete operation is as follows: firstly, according to the actual situation, selecting a proper movable plate 14 for fixing, when the right movable plate 14 is selected for fixing, moving the control rod 13 towards the direction close to the other side, the control rod 13 driving the cam 20 to move downwards until the cam 20 is opposite to the fixed groove 22 at the upper side of the fixed plate, stopping moving the control rod 13, rotating the control rod 13, the control rod 13 driving the cam 20 to rotate, the cam 20 contacting with the connecting plate and driving the connecting plate to move downwards, the connecting plate compressing the first spring 18 fixedly connected with the connecting plate and simultaneously driving the movable plate 14 to move towards the direction far away from the cavity 10, moving from the moving hole 15, moving the connecting hole 16 to the outer side of the base 1, and then utilizing the connecting hole 16 to complete corresponding fixing operation, which is the prior art and does not need to describe redundant details, when the fixing operation needs to be completed by the lower movable plate 14, moving the control rod 13, make control lever 13 and connecting plate contact earlier and drive the connecting plate and move down, make connecting hole 16 remove the outside of base 1, and make cam 20 and the fixed slot 22 position of downside relative, rotate control lever 13 according to the opposite direction of above-mentioned process, cam 20 can not contact with the connecting plate on right side, and can get into fixed slot 22 of downside, accomplish corresponding regulation and control work, move cardboard 24 again and get into in draw-in groove 23, the screw nut advances soon, when needs are examined control center 4 and are operated, it can to follow threaded groove 9 and through-hole 7 internal rotation with threaded rod 8.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The digital media propagation device applied to information and communication engineering comprises a base (1) and is characterized in that a connecting groove (5) is arranged at the lower side of the base (1), a storage groove (3) is arranged at the bottom of the connecting groove (5), a control center (4) is fixedly connected in the storage groove (3), a connecting wire (11) is fixedly connected on the left side of the control center (4), the connecting wire (11) penetrates through the storage groove (3) and is arranged, a plug (12) is fixedly connected on the outer side of the base (1) of the connecting wire (11), a control device of the connecting wire (11) is arranged in the base (1), a display screen (2) is fixedly connected on the upper side of the base (1), the display screen (2) and the control center (4) are arranged in a matched mode, a heat dissipation plate (6) is arranged in the connecting groove (5), a plurality of through holes (7) are symmetrically arranged on the upper side of the heat dissipation plate (6), it is a plurality of be equipped with threaded rod (8) in through-hole (7), threaded rod (8) run through in through-hole (7) setting, the connecting plate bottom symmetry is equipped with a plurality of thread grooves (9), and is a plurality of thread groove (9) and threaded rod (8) match the setting, just threaded rod (8) run through in thread groove (9) setting, heating panel (6) upside fixed connection is equipped with first spring (18), first spring (18) run through in storage tank (3) and spread groove (5) setting, first spring (18) are located storage tank (3) internal fixation and are connected and are equipped with contact plate (35), contact plate (35) and control center (4) contact setting, base (1) is equipped with connecting device.
2. The digital media propagation device applied to information and communication engineering according to claim 1, wherein the control device comprises a wire cavity (27) disposed in the base (1), the connection wire (11) is disposed through the wire cavity (27), a rotating rod (28) is disposed in the wire cavity (27) in a rotating connection manner, the rotating rod (28) is disposed through the wire cavity (27), a wire wheel (29) is fixedly disposed in the wire cavity (27) in the rotating rod (28), the connection wire (11) and the wire wheel (29) are wound in the rotating manner, a rotating disk (30) is fixedly disposed in the base (1) in the rotating rod (28), a plurality of protrusions are disposed in the rotating disk (30) in a fixed connection manner, a limit groove (31) is disposed on a side wall of the base (1), and a limit rod (32) is disposed in the limit groove (31) in a sliding connection manner, the limiting rod (32) is located limiting groove (31) and is fixedly connected with a second spring (33), the other side of the second spring (33) is fixedly connected with the limiting groove (31) and is arranged, and the limiting rod (32) is located on the outer side of the base (1) and is arranged in a protruding matching mode.
3. The digital media propagation device applied to information and communication engineering according to claim 1, wherein the connecting device includes four cavities (10) symmetrically disposed in the base (1), four moving holes (15) are disposed in the four cavities (10), moving plates (14) are disposed in the four moving holes (15), the moving plates (14) are disposed through the moving holes (15), the moving plates (14) are disposed in the moving holes (15) and have connecting holes (16), the moving plates (14) are disposed in the cavities (10) and fixedly connected to a control board (17), the control board (17) is fixedly connected to a third spring (34), and the other side of the third spring (34) is fixedly connected to the cavities (10).
4. The digital media propagation device applied to information and communication engineering according to claim 3, characterized in that a control hole (19) is formed in the cavity (10), a control rod (13) is formed in the control hole (19), the control rod (13) is disposed through the control hole (19), the control rod (13) is fixedly sleeved with a cam (20) in the cavity (10), a fixed block (21) is fixedly connected in the cavity (10), two fixed slots (22) are formed in the fixed block (21), and the two fixed slots (22) and the cam (20) are disposed in a matching manner.
5. The digital media dissemination device as defined in claim 4 wherein the digital media delivery device is used in information and communication engineering, it is characterized in that the side wall of the base (1) is provided with a plurality of clamping grooves (23), the plurality of clamping grooves (23) and the control hole (19) are arranged in a matching way, the plurality of clamping grooves (23) are communicated with the control holes (19), the control rod (13) penetrates through the clamping grooves (23), a clamping plate (24) is slidably sleeved in the control rod (13) positioned in the clamping groove (23), the control rod (13) is symmetrically provided with two sliding chutes (25), the two sliding chutes (25) are internally provided with sliding blocks (26) in a sliding connection way, the sliding block (26) penetrates through the sliding groove (25) and the inner side wall of the clamping plate (24) to be fixedly connected, the clamping plate (24) and the clamping groove (23) are arranged in a matching way, a nut is sleeved on the control rod (13) through a thread, the nut is positioned on the outer side of the clamping plate (24) and is in contact connection with the clamping plate (24).
6. The digital media propagation device applied to information and communication engineering according to claim 1, characterized in that a rubber gasket is disposed in the connecting groove (5), the rubber gasket and the connecting groove (5) are disposed in a matching manner, and the rubber gasket is disposed on the upper side of the heat dissipation plate (6) and is disposed in contact with the heat dissipation plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111087566.9A CN113781915B (en) | 2021-09-16 | 2021-09-16 | Digital media spreading device applied to information and communication engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111087566.9A CN113781915B (en) | 2021-09-16 | 2021-09-16 | Digital media spreading device applied to information and communication engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113781915A true CN113781915A (en) | 2021-12-10 |
| CN113781915B CN113781915B (en) | 2023-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111087566.9A Active CN113781915B (en) | 2021-09-16 | 2021-09-16 | Digital media spreading device applied to information and communication engineering |
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| Country | Link |
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| CN (1) | CN113781915B (en) |
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| Publication number | Publication date |
|---|---|
| CN113781915B (en) | 2023-06-16 |
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