CN119252083A - A multimedia teaching device with printing function - Google Patents
A multimedia teaching device with printing function Download PDFInfo
- Publication number
- CN119252083A CN119252083A CN202411648574.XA CN202411648574A CN119252083A CN 119252083 A CN119252083 A CN 119252083A CN 202411648574 A CN202411648574 A CN 202411648574A CN 119252083 A CN119252083 A CN 119252083A
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- CN
- China
- Prior art keywords
- fixedly connected
- plate
- multimedia
- connecting plate
- screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
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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
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
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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
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
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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
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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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
- G03B21/54—Accessories
-
- 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
- G03B21/56—Projection screens
- G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Screen Printers (AREA)
Abstract
The invention relates to the technical field of multimedia teaching and discloses multimedia teaching equipment with a printing function, which comprises a fixed base, wherein the top end of the fixed base is fixedly connected with a printer, the top end of the printer is fixedly connected with a fixed base plate, the screen side of the top end of the fixed base plate, which is far away from a multimedia screen, is movably connected with an expanding mechanism, the screen side of the top end of the fixed base plate, which is close to the multimedia screen, is movably connected with a protection mechanism, two sides of the expanding mechanism are fixedly connected with lifting mechanisms, and the top ends of the protection mechanisms, which are far away from the side surfaces of the multimedia screen, are fixedly connected with adjusting mechanisms.
Description
Technical Field
The invention relates to the technical field of multimedia teaching, in particular to multimedia teaching equipment with a printing function.
Background
In the teaching process, according to the characteristics of a teaching target and a teaching object, modern teaching media are reasonably selected and applied through teaching design, and are organically combined with the traditional teaching means to participate in the whole teaching process together, and various media information acts on students to form a reasonable teaching process structure so as to achieve the optimal teaching effect;
The multimedia teaching needs to be assisted by a multimedia computer, the multimedia computer can comprehensively process and control various media information such as symbols, language, characters, sound, graphics, images and the like, each element of the multimedia is organically combined according to teaching requirements and is projected and displayed through a screen or a projector, meanwhile, the cooperation of the sound and man-machine interaction operation between a user and the computer are added according to requirements, and the teaching or training process is completed;
When the existing multimedia equipment is used, the image display is carried out through the display screen, but the volume of the display screen is limited, if the multimedia equipment is used in a larger ladder classroom, students at the rear cannot clearly observe the image in the display screen, and the influence is caused by multiple teaching, if the multimedia equipment is used for teaching in a projection mode, the projection space is not reserved in advance in part of the classroom, and the multimedia equipment cannot be normally used by adopting the projection equipment;
When adopting projection equipment to teach, the projecting apparatus needs to be fixed in somewhere, can't intelligent regulation this moment to influence the teaching quality, and present day's multimedia teaching equipment is when carrying out long-time use, if because the high temperature and cause the influence to the operation of equipment, and after the teaching of a certain stage is accomplished, can't in time record the data.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, an embodiment of the present invention provides a multimedia teaching apparatus with a printing function, so as to solve the technical problems set forth in the background art.
The multimedia teaching equipment with the printing function comprises a fixed base, wherein a printer is fixedly connected to the top end of the fixed base, a fixed base plate is fixedly connected to the top end of the printer, a multimedia screen is fixedly connected to the top end of the fixed base plate, a sliding block is movably connected to the screen side of the top end of the fixed base plate, which is far away from the multimedia screen, an expanding mechanism is movably connected to the screen side of the top end of the fixed base plate, which is close to the multimedia screen, a protection mechanism is movably connected to the screen side of the expanding mechanism, lifting mechanisms are fixedly connected to the two sides of the expanding mechanism, which is far away from the side of the multimedia screen, an adjusting mechanism is fixedly connected to the top end of the protection mechanism, which is far away from the side of the multimedia screen, the expanding mechanism comprises a center limiting block, a second connecting plate is movably connected to one side, which is far away from the multimedia screen, of the center limiting block is movably connected to a first connecting plate, sliding blocks are fixedly connected to the bottom ends of the first connecting plate and the second connecting plate, a sliding groove capable of being used for moving by the first connecting plate is arranged on the top end of the fixed base plate, and the side, which is far away from the side of the multimedia screen.
In a preferred embodiment, the data in the multimedia screen can be printed in real time by a printer, and the top end of the expansion mechanism is fixedly connected with three cooling fans, and the cooling fans are distributed at the center of the bottom end of the multimedia screen and at two sides of the bottom end of the multimedia screen.
In a preferred embodiment, two sides of the top end of the fixed substrate where the central limiting block is located are fixedly connected with side limiting blocks, sliding grooves which can be used for moving the first connecting plate and the second connecting plate are respectively formed in the two side limiting blocks, and when the first connecting plate and the second connecting plate move, the first connecting plate and the second connecting plate are always located in the central limiting block.
In a preferred embodiment, the lifting mechanism comprises a connecting block fixedly connected with the expansion mechanism, a first screw rod is movably connected inside the connecting block, a limit frame is fixedly connected to the top end of the connecting block, a lifting plate is connected to the side surface of the first screw rod in a threaded manner, and a first rotating wheel is fixedly connected to the bottom end of the first screw rod.
In a preferred embodiment, the lifting plate is movably connected with a second screw rod, a moving block is connected with the side surface of the second screw rod in a threaded manner, a second rotating wheel is fixedly connected with the bottom end of the second screw rod, and a connecting pin is fixedly connected with the top end of the side surface of the moving block.
In a preferred embodiment, the protection mechanism comprises two supporting blocks fixedly connected with two sides of the fixed substrate, a fixed shaft is fixedly connected with the side surfaces of the two supporting blocks, which are close to each other, a protection plate is movably sleeved on the side surface of the fixed shaft, a locking plate is fixedly connected with the side surface of the protection plate, which is far away from the multimedia screen, a locking head is fixedly connected with the top end of the multimedia screen, and the locking head can lock the locking plate.
In a preferred embodiment, the adjusting mechanism comprises a fixed block fixedly connected with the protecting mechanism, a placing groove matched with the rotating plate is formed in the top end of the fixed block, a connecting shaft is movably connected to the inside of the rotating plate, two sides of the connecting shaft are fixedly connected with the inside of the fixed block, elastic balls are fixedly connected to two sides of the rotating plate, and a projector is fixedly connected to the top end of the rotating plate.
In a preferred embodiment, the bottom internal fixation of fixed block has fixed frame, the inside bottom fixedly connected with electro-magnet of fixed frame, the equal fixedly connected with gag lever post in four corners on electro-magnet top, the side swing joint of gag lever post has the magnetic plate, the top fixedly connected with roof of magnetic plate, the roof.
The invention has the technical effects and advantages that:
1. The invention can drive the lifting mechanisms at two sides to move outwards when the first connecting plate and the second connecting plate are slid, the curtain is hung on the two connecting pins after expansion, the lifting plate is driven to move upwards by the first screw rod when the first rotating wheel is rotated, the moving block is driven to move upwards when the lifting plate moves upwards, the moving block is driven to move upwards by the second screw rod when the second rotating wheel is rotated, the curtain is opened, and projection work of different places can be carried out;
2. The locking plate is locked through the lock head, the locking plate is attached to the screen of the multimedia screen at the moment, so that the multimedia screen is protected, the protection plate rotates around the fixed shaft at the moment when the lock head is opened, the lower part of the protection plate is supported through the fixed base plate, the protection plate is in a flat state, data can be placed on the protection plate, teaching is facilitated, when teaching is performed, contents to be recorded are met, the contents can be printed directly through the printer, and examination data or key data can be printed for students to learn conveniently;
3. The invention is provided with the magnetic repulsion force between the electromagnet and the magnetic plate after being electrified, at the moment, the magnetic plate drives the top plate to move upwards, and the top plate contacts with the rotating plate when moving upwards, so that the rotating plate rotates around the connecting shaft, the projector is synchronously driven to rotate when the rotating plate rotates, and the projection angle of the projector is regulated, so that the projection image of the projector on the curtain is clearer.
Drawings
Fig. 1 is a schematic diagram of the overall front structure of the present invention.
Fig. 2 is a schematic view of the overall rear structure of the present invention.
FIG. 3 is a schematic view of the structure of the expanding mechanism of the present invention.
Fig. 4 is a schematic structural view of the lifting mechanism of the present invention.
Fig. 5 is an exploded view of the lifting mechanism of the present invention.
Fig. 6 is a schematic structural view of the projection curtain according to the present invention.
Fig. 7 is a schematic structural view of a protection mechanism of the present invention.
Fig. 8 is a schematic structural view of the protection mechanism in the protection state.
Fig. 9 is a schematic structural view of an adjusting mechanism of the present invention.
Fig. 10 is a schematic view of the internal structure of the fixing frame of the present invention.
The device comprises a fixing base table 1, a printer 2, a fixing base plate 3, a multimedia screen 4, a5, an expanding mechanism 501, a central limiting block 502, a side limiting block 503, a first connecting plate 504, a second connecting plate 505, a sliding block 6, a lifting mechanism 601, a connecting block 602, a limiting frame 603, a first screw rod 604, a first rotating wheel 605, a lifting plate 606, a moving block 607, a second screw rod 608, a second rotating wheel 609, a connecting pin 7, a protecting mechanism 701, a supporting block 702, a fixing shaft 703, a protecting plate 704, a locking plate 705, a locking head 8, an adjusting mechanism 801, a fixing block 802, a connecting shaft 803, a rotating plate 804, an elastic ball 805, a projector 806, a fixing frame 807, an electromagnet 808, a magnetic plate 809, a limiting rod 810, a top plate 9 and a heat dissipation fan.
Detailed Description
The following description will be made in detail, with reference to the drawings, of the present invention, wherein the configurations of the structures described in the following embodiments are merely examples, and a multimedia teaching apparatus with printing function according to the present invention is not limited to the configurations described in the following embodiments, and all other embodiments obtained by a person skilled in the art without making any inventive effort are within the scope of the present invention.
Referring to fig. 1 and 2, the invention provides a multimedia teaching device with a printing function, which comprises a fixed base 1, wherein the top end of the fixed base 1 is fixedly connected with a printer 2, the top end of the printer 2 is fixedly connected with a fixed base plate 3, the top end of the fixed base plate 3 is fixedly connected with a multimedia screen 4, the screen side of the top end of the fixed base plate 3, which is far away from the multimedia screen 4, is movably connected with an expansion mechanism 5, the screen side of the top end of the fixed base plate 3, which is close to the multimedia screen 4, is movably connected with a protection mechanism 7, two sides of the expansion mechanism 5 are fixedly connected with lifting mechanisms 6, the top end of the protection mechanism 7, which is far away from the side of the multimedia screen 4, is fixedly connected with an adjusting mechanism 8, data in the multimedia screen 4 can be printed in real time through the printer 2, the top end of the expansion mechanism 5 is fixedly connected with three cooling fans 9, and the cooling fans 9 are distributed at the center of the bottom end of the multimedia screen 4 and two sides of the bottom end of the multimedia screen 4.
In the embodiment of the application, when the multimedia screen 4 is used for teaching, the printer 2 can be used for printing when some important data is met, so that students and teachers can use the multimedia screen conveniently, and when the multimedia screen 4 is used for a long time, the heat can be dissipated through the heat dissipation fan 9, so that the multimedia screen 4 is prevented from being damaged due to long-time use.
Referring to fig. 3, the expanding mechanism 5 includes a central limiting block 501, a second connecting plate 504 is movably connected to one side, close to the multimedia screen 4, in the central limiting block 501, a first connecting plate 503 is movably connected to one side, far away from the multimedia screen 4, in the central limiting block 501, bottom ends of the first connecting plate 503 and the second connecting plate 504 are fixedly connected with a sliding block 505, a sliding groove for the first connecting plate 503 to move is formed in the top end of the fixed substrate 3, a lifting mechanism 6 is fixedly connected to the side, far away from the first connecting plate 503 and the second connecting plate 504, side limiting blocks 502 are fixedly connected to two sides, where the central limiting block 501 is located, of the top end of the fixed substrate 3, sliding grooves for the first connecting plate 503 and the second connecting plate 504 to move are formed in the two side limiting blocks 502, and when the first connecting plate 503 and the second connecting plate 504 move, the first connecting plate 503 and the second connecting plate 504 are always located in the central limiting block 501.
In the embodiment of the application, when the first connecting plate 503 and the second connecting plate 504 are pulled outwards, the lifting mechanisms 6 at two sides are driven to move, so that the curtain can be opened, the first connecting plate 503 and the second connecting plate 504 slide, the sliding block 505 slides in the sliding groove of the fixed substrate 3, the stability of the first connecting plate 503 and the second connecting plate 504 during sliding is ensured, and the central limiting block 501 and the side limiting block 502 limit the upper parts of the first connecting plate 503 and the second connecting plate 504 during sliding, so as to avoid the toppling.
Referring to fig. 4, 5 and 6, the lifting mechanism 6 includes a connection block 601 fixedly connected with the expansion mechanism 5, a first screw 603 is movably connected with the inside of the connection block 601, a limit frame 602 is fixedly connected with the top end of the connection block 601, a lifting plate 605 is screwed on the side surface of the first screw 603, a first rotating wheel 604 is fixedly connected with the bottom end of the first screw 603, a second screw 607 is movably connected with the inside of the lifting plate 605, a moving block 606 is screwed on the side surface of the second screw 607, a second rotating wheel 608 is fixedly connected with the bottom end of the second screw 607, and a connecting pin 609 is fixedly connected with the top end of the side surface of the moving block 606.
In the embodiment of the application, when the first rotating wheel 604 drives the first screw 603 to rotate, the lifting plate 605 moves upwards in the limiting frame 602, when the lifting plate 605 moves, the second rotating wheel 608 drives the moving block 606 to integrally move upwards, and when the second rotating wheel 608 rotates again, the second rotating wheel 608 drives the moving block 606 to move upwards through the second screw 607, the moving block 606 drives the connecting pin 609 to move upwards, and at the moment, the curtain hung on the connecting pin 609 moves upwards, so that people at a longer distance can see the image content.
Referring to fig. 7 and 8, the protection mechanism 7 includes two support blocks 701 fixedly connected to two sides of the fixed substrate 3, a fixed shaft 702 is fixedly connected to a side surface of the two support blocks 701, a protection plate 703 is movably sleeved on a side surface of the fixed shaft 702, a locking plate 704 is fixedly connected to a side surface of the protection plate 703 away from the multimedia screen 4, a locking head 705 is fixedly connected to a top end of the multimedia screen 4, and the locking head 705 can lock the locking plate 704.
In the embodiment of the application, when the protective plate 703 is attached to the multimedia screen 4, the lock head 705 can lock the lock plate 704 at this time, when the application is not used, the protective plate 703 protects the multimedia screen 4, so as to avoid the damage of the multimedia screen 4, when in use, the lock head 705 is unlocked, after the lock head 705 releases the lock plate 704, the protective plate 703 can be rotated downwards, and the protective plate 703 can be in a horizontal state after being rotated downwards, so that data can be placed, thereby facilitating teaching, and the state when the lock is protected is shown in fig. 8, and the state when the data is placed is shown in fig. 7.
Referring to fig. 9 and 10, the adjustment mechanism 8 includes a fixed block 801 fixedly connected with the protection mechanism 7, a placement groove adapted to the rotating plate 803 is provided at the top end of the fixed block 801, a connecting shaft 802 is movably connected to the inside of the rotating plate 803, two sides of the connecting shaft 802 are fixedly connected to the inside of the fixed block 801, elastic balls 804 are fixedly connected to two sides of the rotating plate 803, a projector 805 is fixedly connected to the top end of the rotating plate 803, a fixed frame 806 is fixedly connected to the bottom end of the fixed block 801, an electromagnet 807 is fixedly connected to the bottom end inside the fixed frame 806, limit rods 809 are fixedly connected to four corners at the top end of the electromagnet 807, magnetic plates 808 are movably connected to the side surfaces of the limit rods 809, a top plate 810 is fixedly connected to the top end of the magnetic plates 808, the top end of the top plate 810 is arc-shaped, and the top end of the top plate 810 contacts the bottom end of the rotating plate 803.
In the embodiment of the application, when the projector 805 is required to project, the electromagnet 807 is controlled to be electrified, the magnetic repulsive force between the electromagnet 807 and the magnetic plate 808 enables the magnetic plate 808 to drive the top plate 810 to move upwards, the top plate 810 and the rotating plate 803 are in a contact state, so that the rotating plate 803 rotates upwards around the connecting shaft 802, the projector 805 is driven to rotate when the rotating plate 803 rotates, the angle of the projector 805 in projection can be adjusted, an image is adjusted, after the projector is projected, the electromagnet 807 is powered off, so that the magnetic plate 808 moves downwards under the action of gravity, the rotating plate 803 enters the fixed block 801 again at the moment to be conveniently stored, elastic balls 804 are arranged on two sides of the rotating plate 803, and when the rotating plate 803 is pressed into a placing groove of the fixed block 801, the elastic balls 804 are compressed at the moment, so that the position of the rotating plate 803 is locked, and shaking of the rotating plate 803 along with the movement of equipment is avoided.
When the lock head 705 is unlocked, the lock head 705 cannot fix the lock plate 704, the protective plate 703 is rotated, the bottom end of the protective plate 703 is contacted with the top end of the fixed substrate 3 after the protective plate 703 rotates around the fixed shaft 702, the teaching can be performed through the multimedia screen 4, data can be placed above the protective plate 703, and during the teaching, important contents of some teaching can be directly printed through the printer 2, so that the teaching process is more convenient, when the multimedia screen 4 is used for a long time, the heat dissipation fan 9 is turned on to conduct heat dissipation work, and the multimedia screen 4 can be used for a long time without faults;
when the multifunctional multimedia screen is used in a large classroom, the first connecting plate 503 and the second connecting plate 504 are pulled, when the first connecting plate 503 and the second connecting plate 504 are pulled, the lifting mechanisms 6 on two sides of the multimedia screen 4 are driven to move outwards, after the lifting mechanisms are moved, the curtain is hung on the connecting pins 609, after the curtain is hung, the first rotating wheels 604 on two sides are rotated, when the first rotating wheels 604 rotate, the first screw 603 is driven to rotate, when the first screw 603 rotates, the lifting plate 605 is driven to move upwards, when the lifting plate 605 moves upwards, the moving block 606 is driven to move upwards, the second rotating wheels 608 are rotated, when the second rotating wheels 608 rotate, the moving block 606 moves upwards, the connecting pins 609 are driven to move upwards, and then the whole curtain moves upwards, as shown in fig. 6, the area of the curtain is large, and people behind can see data clearly;
When carrying out image display through the curtain, control electro-magnet 807 circular telegram this moment, produce magnetic repulsion between electro-magnet 807 circular telegram time and the magnetic plate 808, consequently, magnetic plate 808 can drive roof 810 and upwards move, roof 810 upwards move the back and contact with rotating plate 803, and then make rotating plate 803 upwards rotate around connecting axle 802, drive projector 805 when rotating, the angle when projecting of projector 805 can be adjusted, adjust the image, after projecting, electro-magnet 807 cuts off the power supply this moment, therefore magnetic plate 808 can move downwards under the effect of gravity, rotating plate 803 can enter into fixed block 801 again this moment, be convenient for accomodate, and can manually assist in impressing rotating plate 803 into fixed block 801, make adjustment mechanism 8 wholly can not rotate when the protection shield 703 rotates, improve stability.
Finally, the foregoing is only illustrative of the present invention and is not to be construed as limiting thereof, and any modifications, equivalent arrangements, improvements or the like which fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411648574.XA CN119252083A (en) | 2024-11-19 | 2024-11-19 | A multimedia teaching device with printing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411648574.XA CN119252083A (en) | 2024-11-19 | 2024-11-19 | A multimedia teaching device with printing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119252083A true CN119252083A (en) | 2025-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411648574.XA Pending CN119252083A (en) | 2024-11-19 | 2024-11-19 | A multimedia teaching device with printing function |
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| Country | Link |
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| CN (1) | CN119252083A (en) |
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| CN118553135A (en) * | 2024-06-25 | 2024-08-27 | 山东电子职业技术学院 | Multi-mode English teaching device of english teaching |
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2024
- 2024-11-19 CN CN202411648574.XA patent/CN119252083A/en active Pending
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|---|---|---|---|---|
| JP2002296678A (en) * | 2001-03-30 | 2002-10-09 | Seiko Epson Corp | Rear projector and mounting base used for the same |
| DE202008002222U1 (en) * | 2008-02-18 | 2009-04-02 | VS Vereinigte Spezialmöbelfabriken GmbH & Co. KG | Mobile presentation device |
| TW201128290A (en) * | 2010-02-06 | 2011-08-16 | Chiung-Jung Chiu | A projection screen set |
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| CN113671785A (en) * | 2021-08-20 | 2021-11-19 | 浙江广厦建设职业技术大学 | Teaching management is with multi-media propaganda show equipment convenient to installation is used |
| CN118553135A (en) * | 2024-06-25 | 2024-08-27 | 山东电子职业技术学院 | Multi-mode English teaching device of english teaching |
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Application publication date: 20250103 |