CN114779556A - Photographic self-adaptation background cloth is used in movie & TV preparation - Google Patents
Photographic self-adaptation background cloth is used in movie & TV preparation Download PDFInfo
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- CN114779556A CN114779556A CN202210415944.XA CN202210415944A CN114779556A CN 114779556 A CN114779556 A CN 114779556A CN 202210415944 A CN202210415944 A CN 202210415944A CN 114779556 A CN114779556 A CN 114779556A
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- rod
- background cloth
- fixedly mounted
- photographic
- movie
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- 239000004744 fabric Substances 0.000 title claims abstract description 72
- 238000004519 manufacturing process Methods 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims description 42
- 230000007246 mechanism Effects 0.000 claims description 30
- 230000003044 adaptive effect Effects 0.000 claims description 14
- 239000000428 dust Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 5
- 244000309464 bull Species 0.000 description 22
- 241000220317 Rosa Species 0.000 description 10
- 241000883990 Flabellum Species 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/08—Trick photography
- G03B15/10—Trick photography using back-projection, i.e. blending artificial background with real foreground
Abstract
The invention belongs to the technical field of background cloth, in particular to photographic self-adaptive background cloth for movie and television production, which aims at solving the problems that some stains can be inevitably stained when the existing photographic background cloth is used, and the stains are accumulated on the background cloth due to the fact that the background cloth can not be replaced and cleaned quickly, so that the use effect is influenced, the angle of the background cloth is inconvenient to adjust, and different shooting angles can not be adapted when the background cloth is used. The dust removing device is simple to operate and convenient to use, can shake dust on the background cloth conveniently, can absorb and filter the dust, can adjust the angle of the background cloth, and is convenient for people to use.
Description
Technical Field
The invention relates to the technical field of background cloth, in particular to photographic self-adaptive background cloth for film and television production.
Background
The background cloth is a necessary product for indoor photography, has monochrome background cloth and background cloth of subject materials, can greatly improve the speed and the quality of photography, and has increasingly wide application to photography background cloth devices based on film and television production along with the development of the society.
Some current photographic background cloth, inevitable when using can be infected with some stains, because background cloth can not quick change wash, can lead to the piling up of stains on the background cloth to influence the result of use, and the angle of background cloth is inconvenient to be adjusted, can not adapt to different shooting angles using.
Disclosure of Invention
The invention aims to solve the defects that some stains are inevitably stained when some existing photographic background cloth is used, the stains on the background cloth are accumulated due to the fact that the background cloth cannot be replaced and cleaned quickly, the using effect is affected, the angle of the background cloth is inconvenient to adjust, and the photographic self-adaptive background cloth for film and television production cannot adapt to different shooting angles.
In order to achieve the purpose, the invention adopts the following technical scheme:
a photographic self-adaptive background cloth for movie and television production comprises two bottom plates, wherein supporting rods are fixedly mounted at the tops of the bottom plates, a filter box is fixedly mounted at the top ends of the two supporting rods, a plurality of air guide pipes are fixedly mounted at the bottom of the filter box, an air guide mechanism is arranged in each air guide pipe, two filter plates which are symmetrically arranged are fixedly mounted on the inner wall of the filter box, a second motor is fixedly mounted on the inner wall of one side of the filter box, a rotating rod is fixedly mounted on an output shaft of the second motor and is in transmission connection with the plurality of air guide mechanisms, the same positioning rod is fixedly mounted between the two supporting rods, a background cloth body is mounted at the bottom of the positioning rod, a movable rod is mounted at the bottom of the background cloth body, an adjusting mechanism is arranged on each bottom plate and is in transmission connection with the movable rod, a shaking mechanism is arranged on one side of the filter box and is in transmission connection with the rotating rod, the top of the bottom plate is provided with a sliding groove, the inner wall of the sliding groove is rotatably connected with a screw, a first motor is fixedly mounted on the inner wall of one side of one sliding groove of the two sliding grooves, an output shaft of the first motor is fixedly connected with the corresponding screw, a moving block is in threaded connection with the screw and is in transmission connection with a movable rod, a same transmission rod is rotatably connected between the two bottom plates, and the transmission rod is in transmission connection with the two screws.
Preferably, air guide mechanism includes the dead lever, dead lever fixed mounting is on the air duct inner wall, it is connected with the pivot to rotate on the dead lever, the bottom fixed mounting of pivot has the flabellum, and the pivot is connected with the bull stick transmission, fixed mounting has a plurality of first bevel gear on the bull stick, the top fixed mounting of pivot has second bevel gear, first bevel gear and the second bevel gear intermeshing that corresponds, it is connected with the location box to rotate in the pivot, the location box rotates with the bull stick to be connected, the pivoted bull stick drives the pivot through the intermeshing of first bevel gear and second bevel gear and rotates, and then can drive the flabellum and bleed to the background cloth body.
Preferably, the shake mechanism includes the carriage release lever, carriage release lever slidable mounting is in one side of rose box, the one end fixed mounting of carriage release lever has the striking pole, strike pole and background cloth body and mutually support, the one end fixed mounting of carriage release lever has the baffle, the bottom inner wall sliding connection of baffle and rose box, fixed mounting has the locating plate on the carriage release lever, one side fixed mounting of locating plate has reset spring, reset spring's one end and rose box fixed connection, and fixed mounting has the cam on the bull stick, the cam mutually supports with the baffle, the pivoted bull stick passes through mutually supporting of baffle, and drive the carriage release lever round trip movement under reset spring's effect, and then drive and strike the pole and strike the shake to the background cloth body.
Preferably, the adjusting mechanism comprises two pull rods, the pull rods are fixedly connected with corresponding moving blocks, the pull rods are slidably connected with the movable rods, the top ends of the pull rods are fixedly provided with check blocks, the bottoms of the check blocks are fixedly provided with ejector springs, the bottom ends of the ejector springs are fixedly connected with the movable rods, driven bevel gears are fixedly arranged at the two ends of the transmission rod, driving bevel gears are fixedly arranged on the screw rods and are meshed with each other, the output shaft of the first motor drives the two screw rods to rotate simultaneously through the mutual meshing of the driving bevel gears and the driven bevel gears, and then the two moving blocks can be driven to move simultaneously.
Compared with the prior art, the invention has the advantages that:
(1) according to the scheme, the first bevel gear is meshed with the second bevel gear, so that the rotating rod can drive the rotating shaft to rotate, and the fan blades can be driven to suck dust on the background cloth body;
(2) the cam is matched with the baffle, and the return spring is matched with the moving rod, so that the rotating rod can drive the moving rod to move back and forth, and the knocking rod can be driven to knock and shake ash on the background cloth body;
(3) because the threaded connection of screw rod and movable block, and the sliding connection of pull rod and movable rod for the output shaft of first motor can drive the background cloth body and make a round trip the angle change, and then can carry out the angle modulation.
The dust removing device is simple to operate and convenient to use, dust can be shaken conveniently on the background cloth, meanwhile, the dust can be absorbed and filtered, the angle of the background cloth can be adjusted, and the dust removing device is convenient for people to use.
Drawings
Fig. 1 is a schematic structural diagram of a photographic adaptive background cloth for movie and television production according to the present invention;
FIG. 2 is a schematic side view of a photographic adaptive background cloth for film and television production according to the present invention;
FIG. 3 is a schematic top view of a filter box with a photographic adaptive background cloth for producing film and television according to the present invention;
fig. 4 is a schematic structural diagram of a part a of a photographic adaptive background cloth for film and television production according to the present invention;
fig. 5 is a schematic structural diagram of a part B of a photographic adaptive background cloth for film and television production according to the present invention.
In the figure: 1. a base plate; 2. a support bar; 3. a filter box; 4. positioning a rod; 5. a background cloth body; 6. a movable rod; 7. a sliding groove; 8. a screw; 9. a first motor; 10. a moving block; 11. a pull rod; 12. a stopper; 13. a spring jack; 14. a transmission rod; 15. a rotating rod; 16. a second motor; 17. an air guide pipe; 18. fixing the rod; 19. a rotating shaft; 20. a fan blade; 21. a filter plate; 22. a first bevel gear; 23. a second bevel gear; 24. a cam; 26. a travel bar; 27. a baffle plate; 28. positioning a plate; 29. a return spring; 30. a tapping rod; 31. a support pillar; 32. a roller; 33. a third motor; 34. a drive shaft; 35. a worm; 36. a worm gear.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.
Example one
Referring to fig. 1-5, a photographic adaptive background cloth for film and television production comprises two bottom plates 1, wherein support rods 2 are fixedly mounted at the top of the bottom plates 1, a filter box 3 is fixedly mounted at the top ends of the two support rods 2, a plurality of air guide pipes 17 are fixedly mounted at the bottom of the filter box 3, an air guide mechanism is arranged in each air guide pipe 17, two filter plates 21 which are symmetrically arranged are fixedly mounted on the inner wall of the filter box 3, a second motor 16 is fixedly mounted on the inner wall of one side of the filter box 3, a rotating rod 15 is fixedly mounted on an output shaft of the second motor 16, the rotating rod 15 is in transmission connection with the plurality of air guide mechanisms, a same positioning rod 4 is fixedly mounted between the two support rods 2, a background cloth body 5 is mounted at the bottom of the positioning rod 4, a movable rod 6 is mounted at the bottom of the background cloth body 5, an adjusting mechanism is arranged on the bottom plate 1 and is in transmission connection with the movable rod 6, one side of rose box 3 is equipped with the shake mechanism, the shake mechanism is connected with bull stick 15 transmission, sliding tray 7 has been seted up at the top of bottom plate 1, it is connected with screw rod 8 to rotate on the inner wall of sliding tray 7, fixed mounting has first motor 9 on one side inner wall of one sliding tray 7 in two sliding tray 7, the output shaft of first motor 9 and the screw rod 8 fixed connection that corresponds, threaded connection has movable block 10 on the screw rod 8, movable block 10 is connected with the transmission of movable rod 6, it is connected with same transfer line 14 to rotate between two bottom plates 1, transfer line 14 is connected with two screw rod 8 transmissions.
In this embodiment, air guide mechanism includes dead lever 18, dead lever 18 fixed mounting is on guide duct 17 inner wall, it is connected with pivot 19 to rotate on dead lever 18, the bottom fixed mounting of pivot 19 has flabellum 20, and pivot 19 is connected with the transmission of bull stick 15, fixed mounting has a plurality of first bevel gear 22 on the bull stick 15, the top fixed mounting of pivot 19 has second bevel gear 23, first bevel gear 22 and the second bevel gear 23 intermeshing that corresponds, it is connected with the location box to rotate on the pivot 19, the location box rotates with bull stick 15 to be connected, pivoted bull stick 15 drives pivot 19 through the intermeshing of first bevel gear 22 and second bevel gear 23 and rotates, and then can drive flabellum 20 and bleed to background cloth body 5.
In this embodiment, the shaking mechanism includes the carriage release lever 26, carriage release lever 26 slidable mounting is in one side of rose box 3, the one end fixed mounting of carriage release lever 26 has strikes pole 30, strike pole 30 and background cloth body 5 and mutually support, the one end fixed mounting of carriage release lever 26 has baffle 27, baffle 27 and the bottom inner wall sliding connection of rose box 3, fixed mounting has locating plate 28 on the carriage release lever 26, one side fixed mounting of locating plate 28 has reset spring 29, reset spring 29's one end and rose box 3 fixed connection, and fixed mounting has cam 24 on the bull stick 15, cam 24 and baffle 27 mutually support, pivoted bull stick 15 passes through mutually supporting of baffle 27, and drive carriage release lever 26 round trip movement under reset spring 29's effect, and then drive and strike pole 30 and strike the shake to background cloth body 5.
In this embodiment, adjustment mechanism includes two pull rods 11, pull rod 11 and the movable block 10 fixed connection that corresponds, pull rod 11 and 6 sliding connection of movable rod, and the top fixed mounting of pull rod 11 has dog 12, the bottom fixed mounting of dog 12 has top spring 13, the bottom and the movable rod 6 fixed connection of top spring 13, the equal fixed mounting in both ends of transfer line 14 has driven conical gear, fixed mounting has initiative conical gear on the screw rod 8, initiative conical gear and driven conical gear intermeshing, the output shaft of first motor 9 drives two screw rods 8 through initiative conical gear and driven conical gear's intermeshing and rotates simultaneously, and then can drive two movable blocks 10 simultaneous movement.
Working principle, in operation, start second motor 16 switch, the output shaft of second motor 16 drives bull stick 15 and rotates, bull stick 15 drives cam 24 and rotates, pivoted cam 24 is through mutually supporting with baffle 27, and drive carriage release lever 26 round trip movement at the mutually supporting of reset spring 29, carriage release lever 26 drives strikes pole 30 and strikes the shake to background cloth body 5, thereby make the dust on background cloth 5 distribute out, bull stick 15 drives pivot 19 through the intermeshing of first conical gear 22 with second conical gear 23 and rotates, pivoted pivot 19 absorbs the dust of below through flabellum 20, and filter the dust after absorbing through filter 21, thereby can be convenient for handle the dust on background cloth body 5, when the angle of background cloth body 5 needs to be adjusted, start first motor 9 switch, the output shaft of first motor 9 drives two through the intermeshing of two initiative conical gears and driven conical gear and drives two The screw 8 and the transmission rod 14 rotate simultaneously, the rotating screw 8 is in threaded connection with the moving block 10, so that the pull rod 11 can be driven to change the position, the pull rod 11 presses the background cloth body 5 under the action of the top spring 13, and the background cloth body 5 is driven to change the angle simultaneously, so that different shooting modes can be adapted.
Example two
Referring to fig. 1-5, a photographic adaptive background cloth for film and television production comprises two bottom plates 1, support rods 2 are fixedly installed at the top of the bottom plates 1, a filter box 3 is fixedly installed at the top ends of the two support rods 2, a plurality of air guide pipes 17 are fixedly installed at the bottom of the filter box 3, an air guide mechanism is arranged in the air guide pipes 17, two filter plates 21 which are symmetrically arranged are fixedly installed on the inner wall of the filter box 3, a second motor 16 is fixedly installed on the inner wall of one side of the filter box 3, a rotating rod 15 is fixedly installed on an output shaft of the second motor 16, the rotating rod 15 is in transmission connection with the plurality of air guide mechanisms, a same positioning rod 4 is fixedly installed between the two support rods 2, a background cloth body 5 is installed at the bottom of the positioning rod 4, a movable rod 6 is installed at the bottom of the background cloth body 5, an adjusting mechanism is arranged on the bottom plates 1 and is in transmission connection with the movable rod 6, a shaking mechanism is arranged on one side of the filter box 3 and is in transmission connection with a rotating rod 15, sliding grooves 7 are formed in the top of the bottom plates 1, screw rods 8 are in rotating connection with the inner walls of the sliding grooves 7, a first motor 9 is fixedly arranged on the inner wall of one side of one sliding groove 7 of the two sliding grooves 7, the output shaft of the first motor 9 is fixedly connected with the corresponding screw rod 8, a moving block 10 is in threaded connection with the screw rod 8, the moving block 10 is in transmission connection with a movable rod 6, the same transmission rod 14 is in rotating connection between the two bottom plates 1, the transmission rod 14 is in transmission connection with the two screw rods 8, two symmetrically arranged support columns 31 are in sliding connection with the bottom of each support column 31, rollers 32 are in rotating connection with the bottom of each support column 31, a third motor 33 is fixedly arranged on the top of one bottom plate 1 of the two bottom plates 1, and two symmetrically arranged positioning boxes are fixedly arranged on the top of the bottom plate 1, location box and the support column 31 sliding connection who corresponds, and rotate on two location boxes and be connected with same transmission shaft 34, the output shaft of third motor 33 and the 34 fixed connection of transmission shaft that corresponds, and all fixed cover is equipped with the belt pulley on two transmission shafts 34, and the transmission is connected with same belt on two belt pulleys, and fixed mounting has two worms 35 on the transmission shaft 34, and the top of bottom plate 1 is rotated and is connected with two worm wheel 36, worm wheel 36 and the support column 31 threaded connection who corresponds.
In this embodiment, air guide mechanism includes dead lever 18, dead lever 18 fixed mounting is on the inner wall of guide duct 17, it is connected with pivot 19 to rotate on the dead lever 18, the bottom fixed mounting of pivot 19 has flabellum 20, and pivot 19 is connected with the transmission of bull stick 15, fixed mounting has a plurality of first conical gear 22 on the bull stick 15, the top fixed mounting of pivot 19 has second conical gear 23, first conical gear 22 and the second conical gear 23 intermeshing that corresponds, it is connected with the location box to rotate on the pivot 19, the location box rotates with bull stick 15 and is connected, pivoted bull stick 15 drives pivot 19 through the intermeshing of first conical gear 22 with second conical gear 23 and rotates, and then can drive flabellum 20 and bleed to background cloth body 5.
In this embodiment, the shaking mechanism includes the carriage release lever 26, carriage release lever 26 slidable mounting is in one side of rose box 3, the one end fixed mounting of carriage release lever 26 has strikes pole 30, strike pole 30 and background cloth body 5 and mutually support, the one end fixed mounting of carriage release lever 26 has baffle 27, baffle 27 and the bottom inner wall sliding connection of rose box 3, fixed mounting has locating plate 28 on the carriage release lever 26, one side fixed mounting of locating plate 28 has reset spring 29, reset spring 29's one end and rose box 3 fixed connection, and fixed mounting has cam 24 on the bull stick 15, cam 24 and baffle 27 mutually support, pivoted bull stick 15 passes through mutually supporting of baffle 27, and drive carriage release lever 26 round trip movement under reset spring 29's effect, and then drive and strike pole 30 and strike the shake to background cloth body 5.
In this embodiment, adjustment mechanism includes two pull rods 11, pull rod 11 and the movable block 10 fixed connection that corresponds, pull rod 11 and 6 sliding connection of movable rod, and the top fixed mounting of pull rod 11 has dog 12, the bottom fixed mounting of dog 12 has top spring 13, the bottom and the movable rod 6 fixed connection of top spring 13, the equal fixed mounting in both ends of transfer line 14 has driven conical gear, fixed mounting has initiative conical gear on the screw rod 8, initiative conical gear and driven conical gear intermeshing, the output shaft of first motor 9 drives two screw rods 8 and rotates simultaneously through the intermeshing of initiative conical gear and driven conical gear, and then can drive two movable blocks 10 and remove simultaneously.
The operating principle, the difference of embodiment two with embodiment one lies in, when needs move the device, start the switch of third motor 33, the output shaft of third motor 33 drives two transmission shafts 34 through the transmission connection of two belt pulleys and belt and rotates simultaneously, pivoted transmission shaft 34 drives worm wheel 36 through the intermeshing of worm 35 with worm wheel 36 and rotates, pivoted worm wheel 36 drives support column 31 through the threaded connection with support column 31 and moves down to can drive gyro wheel 32 and support ground, and then can be convenient for remove the device.
The above descriptions are only preferred embodiments 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 as the technical scope of the present invention, and the technical solutions and the inventive concepts of the present invention are equivalent to or changed within the scope of the present invention.
Claims (8)
1. A photographic self-adaptive background cloth for movie and television production comprises two bottom plates (1) and is characterized in that supporting rods (2) are fixedly mounted at the tops of the bottom plates (1), a filter box (3) is fixedly mounted at the top ends of the two supporting rods (2), a plurality of air guide pipes (17) are fixedly mounted at the bottom of the filter box (3), an air guide mechanism is arranged in each air guide pipe (17), two filter plates (21) which are symmetrically arranged are fixedly mounted on the inner wall of the filter box (3), a second motor (16) is fixedly mounted on the inner wall of one side of the filter box (3), a rotating rod (15) is fixedly mounted on an output shaft of the second motor (16), the rotating rod (15) is in transmission connection with the plurality of air guide mechanisms, a same positioning rod (4) is fixedly mounted between the two supporting rods (2), and a background cloth body (5) is mounted at the bottom of the positioning rod (4), the bottom of the background cloth body (5) is provided with a movable rod (6), the bottom plate (1) is provided with an adjusting mechanism, the adjusting mechanism is in transmission connection with the movable rod (6), one side of the filter box (3) is provided with a shaking mechanism which is in transmission connection with a rotating rod (15), the top of the bottom plate (1) is provided with a sliding groove (7), the inner wall of the sliding groove (7) is rotatably connected with a screw rod (8), the inner wall of one side of one sliding groove (7) of the two sliding grooves (7) is fixedly provided with a first motor (9), the output shaft of the first motor (9) is fixedly connected with the corresponding screw rod (8), the screw rods (8) are in threaded connection with moving blocks (10), the moving blocks (10) are in transmission connection with the moving rods (6), the two base plates (1) are connected with one transmission rod (14) in a rotating mode, and the transmission rod (14) is in transmission connection with the two screw rods (8).
2. The photographic adaptive background cloth for movie and television production as claimed in claim 1, wherein the air guiding mechanism comprises a fixed rod (18), the fixed rod (18) is fixedly installed on the inner wall of the air guiding pipe (17), a rotating shaft (19) is rotatably connected to the fixed rod (18), a fan blade (20) is fixedly installed at the bottom end of the rotating shaft (19), and the rotating shaft (19) is in transmission connection with the rotating rod (15).
3. The photographic adaptive background cloth for movie and television production as claimed in claim 1, wherein the shaking mechanism comprises a moving rod (26), the moving rod (26) is slidably mounted on one side of the filter box (3), a knocking rod (30) is fixedly mounted at one end of the moving rod (26), and the knocking rod (30) is matched with the background cloth body (5).
4. The photographic adaptive background cloth for movie and television production as claimed in claim 1, wherein the adjusting mechanism comprises two pull rods (11), the pull rods (11) are fixedly connected with corresponding moving blocks (10), the pull rods (11) are slidably connected with the moving rods (6), a stopper (12) is fixedly installed at the top end of each pull rod (11), a top spring (13) is fixedly installed at the bottom of each stopper (12), and the bottom end of each top spring (13) is fixedly connected with the moving rod (6).
5. The photographic adaptive background cloth for the movie and television production as claimed in claim 2, wherein a plurality of first bevel gears (22) are fixedly mounted on the rotating rod (15), a second bevel gear (23) is fixedly mounted at the top end of the rotating shaft (19), and the first bevel gears (22) and the corresponding second bevel gears (23) are meshed with each other.
6. The photographic adaptive background cloth for the movie and television production as claimed in claim 3, wherein a baffle (27) is fixedly mounted at one end of the moving rod (26), the baffle (27) is slidably connected with the inner wall of the bottom of the filter box (3), a positioning plate (28) is fixedly mounted on the moving rod (26), a return spring (29) is fixedly mounted at one side of the positioning plate (28), one end of the return spring (29) is fixedly connected with the filter box (3), a cam (24) is fixedly mounted on the rotating rod (15), and the cam (24) and the baffle (27) are matched with each other.
7. The photographic adaptive background cloth for the movie and television production as claimed in claim 1, wherein both ends of the transmission rod (14) are fixedly provided with driven bevel gears, the screw (8) is fixedly provided with a driving bevel gear, and the driving bevel gear and the driven bevel gear are mutually meshed.
8. The photographic adaptive background cloth for movie and television production as claimed in claim 2, wherein the rotating shaft (19) is rotatably connected with a positioning box, and the positioning box is rotatably connected with the rotating rod (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210415944.XA CN114779556A (en) | 2022-04-20 | 2022-04-20 | Photographic self-adaptation background cloth is used in movie & TV preparation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210415944.XA CN114779556A (en) | 2022-04-20 | 2022-04-20 | Photographic self-adaptation background cloth is used in movie & TV preparation |
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| CN202210415944.XA Pending CN114779556A (en) | 2022-04-20 | 2022-04-20 | Photographic self-adaptation background cloth is used in movie & TV preparation |
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Application publication date: 20220722 |