CN113641060B - 720-degree immersion type dynamic image quality real-time monitoring device capable of reducing interference - Google Patents
720-degree immersion type dynamic image quality real-time monitoring device capable of reducing interference Download PDFInfo
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- CN113641060B CN113641060B CN202110816162.2A CN202110816162A CN113641060B CN 113641060 B CN113641060 B CN 113641060B CN 202110816162 A CN202110816162 A CN 202110816162A CN 113641060 B CN113641060 B CN 113641060B
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 13
- 238000007654 immersion Methods 0.000 title description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 210000000078 claw Anatomy 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 11
- 238000009423 ventilation Methods 0.000 claims description 11
- 210000003781 tooth socket Anatomy 0.000 claims description 5
- 230000009471 action Effects 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 6
- 238000003466 welding Methods 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 230000017525 heat dissipation Effects 0.000 description 8
- 238000004134 energy conservation Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/145—Housing details, e.g. position adjustments thereof
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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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
-
- 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Hinges (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention provides a 720-degree immersive dynamic image quality real-time monitoring device capable of reducing interference, and relates to the technical field of immersive projection. This 720 degrees immersive dynamic image quality real-time supervision devices that reduce interference, including the mount pad, supporting mechanism is installed in the left side of mount pad, supporting mechanism includes the cradling piece, the cradling piece welding is in the left side of mount pad, the lagging has been cup jointed in the outside of cradling piece, the inside of lagging articulates there is the sleeve pipe. This 720 degrees immersive dynamic image quality real-time supervision devices that reduce interference, through external magnetic field reinforcing, the signal balancing pole swings under the effect in magnetic field, the control switch is touched in the swing of signal balancing pole, control switch makes the action wheel circular telegram rotate, the action wheel rotates the drive wheel and rotates, the drive wheel drives the protecting crust through the tooth's socket and moves right, the protecting crust cup joints in the casing outside, the cooperation of rethread protecting crust and casing is used, thereby reached and prevented electromagnetic interference in real time, the effect that projection quality is high.
Description
Technical Field
The invention relates to the technical field of immersive projection, in particular to a 720-degree immersive dynamic image quality real-time monitoring device capable of reducing interference.
Background
Immersive projection generally refers to projection picture projection to large-scale or multi-surface projection screen through multichannel projection fusion technology, let spectator have the sensation of planting in the film, immersive projection surrounds spectator from each aspect, the visual angle that covers spectator that can be comprehensive, immersive sensation of personally submitting is that ordinary projection can not realize, applied by more and more fields, present immersive projection equipment receives external magnetic field's interference easily, thereby lead to the picture shake, influence projection quality, but current equipment does not possess the function of real-time jam-proof, be difficult to guarantee projection quality in real time, some equipment can be at the installation jam-proof shell of equipment outside, but need increase the radiating strength of equipment, not only the energy is wasted, and the noise is great.
Aiming at the defects of the prior art, the invention provides a 720-degree immersion type dynamic image quality real-time monitoring device capable of reducing interference, which has the advantages of real-time electromagnetic interference prevention, high projection quality, stable heat dissipation, low noise, energy conservation and the like, can reduce equipment shake, and solves the problems that the existing equipment does not have a real-time anti-interference function, the projection quality is difficult to ensure in real time, anti-interference shells are installed outside the equipment in part of equipment, but the heat dissipation strength of the equipment needs to be increased, the energy is wasted, and the noise is high.
Disclosure of Invention
In order to realize the purposes of real-time prevention of electromagnetic interference, high projection quality, reduction of equipment jitter, stable heat dissipation, low noise and energy conservation, the invention is realized by the following technical scheme: a degree immersion type dynamic image quality real-time monitoring device capable of reducing interference comprises a mounting seat, wherein a signal balance rod is hinged inside the mounting seat, a fan-shaped sliding groove is formed in the right side of the mounting seat, a sliding block is connected inside the sliding groove in a sliding mode, a mounting hole is formed in the outer side of the mounting seat, a control switch is fixedly connected to the inner wall of the mounting seat, a supporting mechanism is installed on the right side of the mounting seat and comprises a support rod, the support rod is welded on the right side of the mounting seat, a casing is fixedly connected to the right side of the support rod, a tooth socket is formed in the outer side of the casing, a sleeve plate is sleeved on the outer side of the support rod, a sleeve pipe is hinged inside the sleeve plate, a supporting rod is connected inside the sleeve pipe in a sliding mode, a sliding block is hinged on the left side of the supporting rod, and a protection mechanism is fixedly connected to the right side of the supporting mechanism, the protection mechanism includes the protecting crust, the protecting crust welding is on the right side of lagging, the inner wall welding of protecting crust has the dog, the inner wall fixedly connected with drive wheel of protecting crust, the drive wheel meshing is inside the tooth's socket, and the inner wall of drive wheel has seted up the draw-in groove, the inside of drive wheel is pegged graft and is had the action wheel, the outside of action wheel articulates there is the drive claw, the action wheel rotates and drives the drive claw and rotate, and the drive claw passes through the draw-in groove and drives the drive wheel rotation, the left side transmission of action wheel is connected with the crank wheel, the front of crank wheel articulates there is the crank rod, the left side of crank rod articulates there is the guide block, the left side of guide block articulates there is the push rod, the left side of push rod articulates there is the door of taking a breath.
Furthermore, a return spring is arranged between the sleeve plate and the mounting seat, so that the supporting mechanism can automatically return.
Furthermore, the driving wheel is driven by a motor, and the motor is controlled by a control switch, so that the control is stable.
Furthermore, the inner wall fixedly connected with guide bar of protecting crust, and guide block sliding connection is inside the guide bar, and the door of taking a breath articulates in the outside of protecting crust simultaneously, makes the guide block can the steady transmission.
Compared with the prior art, the invention has the following beneficial effects:
1. this 720 degrees immersive dynamic image quality real-time supervision devices that reduce interference, strengthen through external magnetic field, the signal balancing pole swings under the effect in magnetic field, the control switch is touched in the swing of signal balancing pole, control switch makes the action wheel circular telegram rotate, the action wheel rotates and drives the initiative claw and rotate, the initiative claw drives the drive wheel and rotates, the drive wheel drives the protecting crust through the tooth's socket and moves right, the protecting crust cup joints in the casing outside, the cooperation of rethread protecting crust and casing is used, thereby reached and prevented electromagnetic interference in real time, the high effect of projection quality.
2. This 720 degrees immersive dynamic image quality real-time supervision devices that reduce interference, drive the rotation of crank wheel through the drive belt when rotating through the action wheel, the crank wheel rotates and drives the swing of crank rod, the crank rod drives the guide block and slides, the guide block drives the push rod swing, the push rod drives the swing of door of taking a breath, the slow swing of door of taking a breath increases the inside circulation of air of protecting crust, the heat dissipation is stable, the protecting crust moves the right side of moving the drive lagging simultaneously, the lagging drives the sleeve pipe and moves right, the sleeve pipe drives the bracing piece swing, the bracing piece drives the cooperation of slider slip rethread slider and fan-shaped spout and uses, thereby reached and to reduce the equipment shake, the heat dissipation is stable, the effect that the noise is little.
3. This 720 degrees immersive dynamic image quality real-time supervision devices that reduce interference resumes normally to make signal balancing pole swing to horizontal position through external magnetic field, and control switch outage, reset spring drive lagging at this moment resets, and the lagging drives protection machanism and slides left, and action wheel outage stall simultaneously, action wheel make the door of taking a breath stop the swing, and the heat radiation intensity reduces this moment, and the rethread protecting crust uses with the cooperation of casing to the effect of the energy can be saved has been reached.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic cross-sectional view of the entire structure of the present invention;
FIG. 3 is a schematic view of a structural support mechanism of the present invention;
FIG. 4 is a schematic view of the structural shielding mechanism of the present invention;
fig. 5 is a partial schematic view of the structural shielding mechanism of the present invention.
In the figure: 1. a mounting seat; 2. mounting holes; 3. a signal balancing pole; 4. a control switch; 5. a support mechanism; 51. a support rod; 52. a housing; 53. sheathing; 54. a sleeve; 55. a support bar; 56. a slider; 6. a return spring; 7. a protection mechanism; 71. a protective shell; 72. a stopper; 73. a driving wheel; 74. a driving wheel; 75. a driving claw; 76. a crank wheel; 77. a crank lever; 78. a guide block; 79. a push rod; 710. a ventilation door.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the immersion type 720-degree dynamic image quality real-time monitoring device for reducing the interference is as follows:
example one
Please refer to fig. 1-3, a 720-degree immersive dynamic image quality real-time monitoring device for reducing interference, comprising a mounting base 1, a fan-shaped chute is formed on the right side of the mounting base 1, a sliding block 56 is slidably connected inside the chute, so that a supporting rod 55 is stably unfolded, a supporting mechanism 5 is installed on the left side of the mounting base 1, the supporting mechanism 5 comprises a support rod 51, the support rod 51 is welded on the right side of the mounting base 1, a casing 52 is fixedly connected to the right side of the support rod 51, a tooth space is formed in the outer side of the casing 52, the supporting rod 55 is hinged on the left side of the casing 52, a sleeve plate 53 is sleeved on the outer side of the support rod 51, a sleeve 54 is hinged inside the sleeve 53, the supporting rod 55 is slidably connected inside the sleeve 54, and the sliding block 56 is hinged on the left side of the supporting rod 55.
The sleeve plate 53 drives the sleeve 54 to move rightwards, the sleeve 54 drives the supporting rod 55 to swing, the supporting rod 55 drives the sliding block 56 to slide, and at the moment, the supporting rod 55 is unfolded, so that the stability of the equipment is improved, and the equipment is prevented from shaking.
Example two
Referring to fig. 1-5, a 720-degree immersion type dynamic image quality real-time monitoring device for reducing interference comprises a mounting base 1 and a mounting hole 2, wherein the mounting hole 2 is arranged on the outer side of the mounting base 1, a signal balance rod 3 is hinged in the mounting base 1, a control switch 4 is fixedly connected to the inner wall of the mounting base 1, a supporting mechanism 5 is fixedly connected to the right side of the mounting base 1, a protection mechanism 7 is fixedly connected to the right side of the supporting mechanism 5, the protection mechanism 7 comprises a protection shell 71, a guide rod is fixedly connected to the inner wall of the protection shell 71, a guide block 78 is slidably connected in the guide rod, a ventilation door 710 is hinged on the outer side of the protection shell 71, so that the guide block 78 can stably transmit, the protection shell 71 is welded on the right side of a sleeve plate 53, a stop block 72 is welded on the inner wall of the protection shell 71, a transmission wheel 73 is fixedly connected to the inner wall of the protection shell 71, the transmission wheel 73 is meshed in a tooth groove, and the inner wall of drive wheel 73 has seted up the draw-in groove, makes drive claw 75 can drive wheel 73 and rotate, and the inside grafting of drive wheel 73 has drive wheel 74, and the outside of drive wheel 74 articulates there is drive claw 75, and the left side transmission of drive wheel 74 is connected with crank wheel 76, and the front of crank wheel 76 articulates there is crank rod 77, and crank rod 77's left side articulates there is guide block 78, and guide block 78's left side articulates there is push rod 79, and push rod 79's left side articulates there is ventilation door 710.
The driving wheel 74 rotates and simultaneously drives the crank wheel 76 to rotate through the transmission belt, the crank wheel 76 rotates and drives the crank rod 77 to swing, the crank rod 77 drives the guide block 78 to slide, the guide block 78 drives the push rod 79 to swing, the push rod 79 drives the ventilation door 710 to swing, the ventilation door 710 slowly swings to increase air circulation inside the protective shell 71, noise is generated, and heat dissipation is stable.
EXAMPLE III
Referring to fig. 1-5, a 720-degree immersion type dynamic image quality real-time monitoring device for reducing interference comprises a mounting base 1, a fan-shaped chute is formed on the right side of the mounting base 1, a sliding block 56 is slidably connected inside the chute, a mounting hole 2 is formed on the outer side of the mounting base 1, a supporting rod 55 is stably unfolded, a signal balance rod 3 is hinged inside the mounting base 1, a control switch 4 is fixedly connected to the inner wall of the mounting base 1, a supporting mechanism 5 is installed on the right side of the mounting base 1, the supporting mechanism 5 comprises a supporting rod 51, the supporting rod 51 is welded on the right side of the mounting base 1, a casing 52 is fixedly connected to the right side of the supporting rod 51, a tooth socket is formed on the outer side of the casing 52, the supporting rod 55 is hinged on the left side of the casing 52, a sleeve plate 53 is sleeved on the outer side of the supporting rod 51, a return spring 6 is arranged between the sleeve plate 53 and the mounting base 1, so that the supporting mechanism 5 can automatically return, the sleeve 54 is hinged inside the sleeve plate 53, the support rod 55 is connected inside the sleeve 54 in a sliding manner, the slider 56 is hinged on the left side of the support rod 55, the protection mechanism 7 is fixedly connected on the right side of the support mechanism 5, the protection mechanism 7 comprises a protection shell 71, a guide rod is fixedly connected on the inner wall of the protection shell 71, the guide block 78 is connected inside the guide rod in a sliding manner, the ventilation door 710 is hinged on the outer side of the protection shell 71, the guide block 78 can stably drive, the protection shell 71 is welded on the right side of the sleeve plate 53, the stop block 72 is welded on the inner wall of the protection shell 71, the driving wheel 73 is fixedly connected on the inner wall of the protection shell 71, the driving wheel 73 is meshed inside the tooth space, a clamping groove is formed in the inner wall of the driving wheel 73, the driving claw 75 can drive the driving wheel 73 to rotate, the driving wheel 74 is inserted inside the driving wheel 73, the driving wheel 74 is driven by a motor, and the motor is controlled by a control switch 4, the control is stable, the outside of action wheel 74 articulates there is the initiative claw 75, and the left side transmission of action wheel 74 is connected with crank wheel 76, and the front of crank wheel 76 articulates there is crank rod 77, and the left side of crank rod 77 articulates there is guide block 78, and the left side of guide block 78 articulates there is push rod 79, and the left side of push rod 79 articulates there is ventilation door 710.
When the external magnetic field is enhanced, the signal balance rod 3 swings under the action of the magnetic field, the signal balance rod 3 swings to trigger the control switch 4, the control switch 4 enables the driving wheel 74 to be electrified and rotated, the driving wheel 74 rotates to drive the driving claw 75 to rotate, the driving claw 75 drives the driving wheel 73 to rotate, the driving wheel 73 drives the protective shell 71 to move rightwards through a tooth socket, the protective shell 71 is sleeved on the outer side of the machine shell 52 to prevent the magnetic field from interfering with the projector, when the protective shell 71 moves to the rightmost side, the stop block 72 limits the protective shell 71 to move through the tooth socket, the protective shell 71 limits the driving wheel 73 to rotate, the driving wheel 73 drives the driving claw 75 to swing through a clamping groove, the driving wheel 74 continues to rotate, the driving wheel 74 drives the crank wheel 76 to rotate through a driving belt while driving the driving wheel 74 rotates, the crank wheel 76 rotates to drive the crank rod 77 to swing, the crank rod 77 drives the guide block 78 to slide, the guide block 78 drives the push rod 79 to swing, the push rod 79 drives the ventilation door 710 to swing, the ventilation door 710 slowly swings to increase air circulation inside the protective shell 71, noise is low, heat dissipation is stable, the protective shell 71 moves rightwards and simultaneously drives the sleeve plate 53 to move rightwards, the sleeve plate 53 drives the sleeve pipe 54 to move rightwards, the sleeve pipe 54 drives the supporting rod 55 to swing, the supporting rod 55 drives the sliding block 56 to slide, the supporting rod 55 is unfolded at the moment, stability of equipment is improved, shaking of the equipment is prevented, after an external magnetic field returns to be normal, the signal balance rod 3 swings to a horizontal position under the action of the magnetic field, the control switch 4 is powered off, the return spring 6 drives the sleeve plate 53 to reset at the moment, the sleeve plate 53 drives the protection mechanism 7 to slide leftwards, the driving wheel 74 is powered off and stops rotating, the ventilation door 710 stops swinging, heat dissipation of the equipment can be met at the moment, and energy loss is reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a reduce 720 degrees immersive dynamic image quality real-time supervision devices of interference, includes mount pad (1), its characterized in that: the signal balancing rod (3) is hinged inside the mounting seat (1), a fan-shaped sliding groove is formed in the right side of the mounting seat (1), the sliding block (56) is connected inside the sliding groove in a sliding mode, the mounting hole (2) is formed in the outer side of the mounting seat (1), the control switch (4) is fixedly connected to the inner wall of the mounting seat (1), the supporting mechanism (5) is installed on the right side of the mounting seat (1), the supporting mechanism (5) comprises a support rod (51), the support rod (51) is welded to the right side of the mounting seat (1), a casing (52) is fixedly connected to the right side of the support rod (51), a tooth socket is formed in the outer side of the casing (52), and the supporting rod (55) is hinged to the left side of the casing (52); the outer side of the support rod (51) is sleeved with a sleeve plate (53), a sleeve (54) is hinged inside the sleeve plate (53), a support rod (55) is connected inside the sleeve (54) in a sliding manner, a sliding block (56) is hinged on the left side of the support rod (55), a protection mechanism (7) is fixedly connected on the right side of the support mechanism (5), the protection mechanism (7) comprises a protection shell (71), the protection shell (71) is welded on the right side of the sleeve plate (53), a stop block (72) is welded on the inner wall of the protection shell (71), a transmission wheel (73) is fixedly connected on the inner wall of the protection shell (71), the transmission wheel (73) is meshed inside a tooth groove, a clamping groove is formed in the inner wall of the transmission wheel (73), a driving wheel (74) is inserted into the transmission wheel (73), and a driving claw (75) is hinged on the outer side of the driving wheel (74), the air exchanging device is characterized in that the driving wheel (74) rotates to drive the driving claw (75) to rotate, the driving claw (75) drives the driving wheel (73) to rotate through the clamping groove, the left side of the driving wheel (74) is connected with a crank wheel (76) in a transmission mode, the front face of the crank wheel (76) is hinged with a crank rod (77), the left side of the crank rod (77) is hinged with a guide block (78), the left side of the guide block (78) is hinged with a push rod (79), and the left side of the push rod (79) is hinged with an air exchanging door (710).
2. The apparatus as claimed in claim 1, wherein the 720 degree immersive motion picture quality real-time monitoring device for reducing interference comprises: and a return spring (6) is arranged between the sleeve plate (53) and the mounting seat (1).
3. The apparatus as claimed in claim 1, wherein the 720 degree immersive motion picture quality real-time monitoring device for reducing interference comprises: the driving wheel (74) is driven by a motor, and the motor is controlled by a control switch (4).
4. The apparatus as claimed in claim 1, wherein the 720 degree immersive motion picture quality real-time monitoring device for reducing interference comprises: the inner wall of the protective shell (71) is fixedly connected with a guide rod, the guide block (78) is connected inside the guide rod in a sliding mode, and the ventilation door (710) is hinged to the outer side of the protective shell (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110816162.2A CN113641060B (en) | 2021-08-31 | 2021-08-31 | 720-degree immersion type dynamic image quality real-time monitoring device capable of reducing interference |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110816162.2A CN113641060B (en) | 2021-08-31 | 2021-08-31 | 720-degree immersion type dynamic image quality real-time monitoring device capable of reducing interference |
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| CN113641060A CN113641060A (en) | 2021-11-12 |
| CN113641060B true CN113641060B (en) | 2022-07-29 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292153A (en) * | 2016-11-04 | 2017-01-04 | 嘉兴职业技术学院 | A kind of computer projection instrument of anti-rock |
| CN208237401U (en) * | 2018-04-16 | 2018-12-14 | 黄美娜 | A kind of foreign language teaching projector |
| CN212361410U (en) * | 2020-04-02 | 2021-01-15 | 杨婷婷 | Portable projector and fixed base |
| CN113138526A (en) * | 2021-03-09 | 2021-07-20 | 杭州启毓信息技术有限公司 | Portable internet teaching device with protection mechanism for automobile repair |
| CN113192365A (en) * | 2021-04-30 | 2021-07-30 | 日照职业技术学院 | Projecting apparatus camera lens jam-proof device for teaching |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3564749A4 (en) * | 2016-12-30 | 2020-07-01 | Shenzhen Royole Technologies Co., Ltd | Supporting assembly and display device |
-
2021
- 2021-08-31 CN CN202110816162.2A patent/CN113641060B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292153A (en) * | 2016-11-04 | 2017-01-04 | 嘉兴职业技术学院 | A kind of computer projection instrument of anti-rock |
| CN208237401U (en) * | 2018-04-16 | 2018-12-14 | 黄美娜 | A kind of foreign language teaching projector |
| CN212361410U (en) * | 2020-04-02 | 2021-01-15 | 杨婷婷 | Portable projector and fixed base |
| CN113138526A (en) * | 2021-03-09 | 2021-07-20 | 杭州启毓信息技术有限公司 | Portable internet teaching device with protection mechanism for automobile repair |
| CN113192365A (en) * | 2021-04-30 | 2021-07-30 | 日照职业技术学院 | Projecting apparatus camera lens jam-proof device for teaching |
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