CN109584641B - English learning writing device based on computer - Google Patents
English learning writing device based on computer Download PDFInfo
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- CN109584641B CN109584641B CN201811630876.9A CN201811630876A CN109584641B CN 109584641 B CN109584641 B CN 109584641B CN 201811630876 A CN201811630876 A CN 201811630876A CN 109584641 B CN109584641 B CN 109584641B
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- 239000000523 sample Substances 0.000 claims abstract description 24
- 230000001960 triggered effect Effects 0.000 claims description 32
- 230000035939 shock Effects 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 12
- 239000004973 liquid crystal related substance Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 5
- 206010063385 Intellectualisation Diseases 0.000 abstract description 2
- 239000000725 suspension Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000005341 toughened glass Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
-
- 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
- G09F9/33—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 being semiconductor devices, e.g. diodes
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- Human Computer Interaction (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Electrically Operated Instructional Devices (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses an English learning writing device based on a computer, wherein a computer controller identifies the written content according to the feedback information of a piezoelectric sensing component and displays the written content in a display screen, so that a writer can write conveniently, the computer controller can realize screen clearing treatment on the display screen, and the screen can be cleared by one key, thereby greatly improving the intellectualization of writing; when the writing pen applies writing force to the sliding trigger rod, the sliding trigger rod acts on the pressure sensing probe, the pressure sensing probe senses the triggering reaction of the writing action, the computer controller controls the corresponding LED lamp piece to display according to the sensing result of the pressure sensing probe, and writing is simple and convenient; the invention is also internally provided with a mistake-proofing module, and the setting of the mistake-proofing module can only identify the writing information of the writing pen, thereby preventing the influence of pressing the hand on the writing panel and the like.
Description
Technical Field
The invention relates to the technical field of English learning auxiliary equipment, in particular to an English learning writing device based on a computer.
Background
English is also the language that is the closest with the computer, and most programming languages have a relation with English, and along with the use of network, the use of English is more popular, and English is one of the working language of united nations, and the intelligent panel that is used for writing includes the display screen and the auxiliary screen that is used for writing, all usually first makes up the frame, then pastes glue on the section bar surface of frame, then glues glass.
Chinese patent discloses a writing device (No. CN207833796U), and this patent technology can be dismantled the setting element from the frame, then bond the setting element at new toughened glass and install on the frame, can change new toughened glass, has reduced the maintenance degree of difficulty and has practiced thrift the cost. The writing device can only finish the writing significance of the traditional blackboard, and how to realize intelligent writing control along with the continuous development of computer technology, and comparison is carried out according to the actual writing state so as to improve the intelligence of the writing device, facilitate learners to carry out intelligent comparison on own writing, and have extremely important function.
Accordingly, those skilled in the art have provided a computer-based english learning writing apparatus to solve the problems set forth in the background art described above.
Disclosure of Invention
The invention aims to provide a computer-based English learning writing device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a computer-based English learning writing device comprises an installation supporting component, a computer controller, a display screen, a writing panel and a writing pen, wherein a support with an adjustable inclination angle of the writing panel is arranged on the installation supporting component;
the writing panel is connected with the computer controller in a control way, the computer controller is connected with the display screen in a display way, and the writing device is characterized in that,
the computer controller is responsible for identifying English letter information written by the writing panel and can be simultaneously displayed on the writing panel and the display screen;
the piezoelectric sensing assemblies and the LED lamp strip assemblies are densely arranged in the writing panel along the plane parallel to the writing plane, wherein when the writing pen is used for writing on the writing panel, the piezoelectric sensing assemblies and the LED lamp strip assemblies can identify and display the writing position and strokes;
and the computer controller identifies the written content according to the feedback information of the piezoelectric sensing assembly and displays the written content in the display screen.
As a further scheme of the invention: the piezoelectric sensing assembly comprises a plurality of pressure sensing probes which are arranged at equal intervals densely, the LED lamp sheet assembly comprises a plurality of LED lamp sheets which are arranged at equal intervals densely, wherein, the upper end surface of the inner plate body of the writing panel is provided with a plurality of mounting micropore grooves which are densely arrayed, the bottom wall of each mounting micropore groove is pasted with the pressure sensing probes which are in one-to-one correspondence with the mounting micropore groove, a sliding trigger rod is arranged in the mounting micropore groove and can slide up and down, the upper end surface of the sliding trigger rod extends out of the upper end surface of the mounting micropore groove, and the LED lamp sheet is arranged at the upper part of the sliding trigger rod, when the writing pen applies writing force to the sliding trigger rod, the sliding trigger rod acts on the pressure sensing probe, the pressure sensing probe senses the trigger reaction of the writing action, and the computer controller controls the corresponding LED lamp sheet to display according to the sensing result of the pressure sensing probe.
As a further scheme of the invention: the top of the sliding trigger rod is fixedly connected with a raised head, the upper end face of the raised head is of a convex structure, the raised head is of a transparent structure, a return spring is arranged between the bottom end face of the sliding trigger rod and the inner bottom wall of the mounting micropore groove, and the bottom of the sliding trigger rod is further provided with a trigger head for triggering the pressure sensing probe.
As a further scheme of the invention: the gap between two adjacent raised heads is smaller than the width of a writing pen point of the writing pen, and the cross section of the writing pen point is larger than the maximum cross section of one raised head and smaller than the sum of the maximum cross sections of the two raised heads, so that only two adjacent raised heads are triggered simultaneously during writing.
As a further scheme of the invention: the computer controller is internally provided with an error-proof module, when the number of the triggered convex heads which are adjacently connected is more than or equal to three at the same time, the error-proof module is triggered and controls the triggered LED lamp chips corresponding to the triggered convex heads not to display;
and when the number of the triggered convex heads which are adjacently connected is equal to two at the same moment, the error-proofing module is not triggered, and the triggered LED lamp piece corresponding to the triggered convex head at the moment is controlled to display.
As a further scheme of the invention: the utility model discloses a writing board, including mounting support subassembly, first mounting bracket, second mounting bracket, writing panel, writing support subassembly, wherein, mounting support subassembly's lower surface is seted up flutedly, the internally mounted of recess has supplementary support subassembly, mounting support subassembly's last fixed surface installs first mounting bracket, and one side position department that first mounting bracket was kept away from to mounting support base's upper surface installs the second mounting bracket, there is writing support subassembly the inboard of first mounting bracket and second mounting bracket through bolt fixed mounting, writing support subassembly's internally mounted have writing panel.
As a further scheme of the invention: the fixed plate that is provided with in one side of second mounting bracket, and the top position department that the surface of second mounting bracket is close to the fixed plate has seted up first screw, the fixed pole that hangs that is provided with in rear side of second mounting bracket, the inside that hangs the pole has hung protection component, the internally mounted of first screw has the long screw, the last fixed surface of fixed plate installs the connecting plate, the last fixed surface of connecting plate is provided with liquid crystal display, the display screen with computer controller adopts the data line to connect.
As a further scheme of the invention: the auxiliary supporting assembly comprises a supporting plate and a shock pad, the shock pad is fixedly arranged at the bottom end of the supporting plate, the upper surface of the supporting plate is rotatably connected with the fixed base through a rotating shaft, the shock pad and the shock pad are positioned on the same horizontal plane, and the shock pad is a rubber component; the fixing base is I-shaped, and the fixing base and the cushion pad are bonded and fixed through strong glue.
As a further scheme of the invention: the protection assembly comprises a protection cover, a clamping groove and a hanging lug, the clamping groove is formed in the protection cover, the hanging lug is fixedly arranged at the top end of the protection cover, and the width of the clamping groove is larger than that of the liquid crystal display screen; the diameter of hanging the lug is greater than the diameter of hanging the pole, and hangs lug and protection casing formula structure as an organic whole.
As a further scheme of the invention: the top of writing frame is corresponding to the inside embedding of writing panel and is installed the round pin axle, and the position department that the surface of writing frame corresponds first screw has seted up the second screw, the diameter of second screw is the same with the diameter of first screw, writing frame and writing panel pass through the round pin axle and rotate and be connected.
Compared with the prior art, the invention has the beneficial effects that:
1. the computer controller identifies the written content according to the feedback information of the piezoelectric sensing assembly and displays the written content in the display screen, so that a writer can write conveniently, and the computer controller can realize screen clearing processing on the display screen, and can clear the screen by one key, thereby greatly improving the intellectualization of writing;
2. when the writing pen applies writing force to the sliding trigger rod, the sliding trigger rod acts on the pressure sensing probe, the pressure sensing probe senses the triggering reaction of the writing action, the computer controller controls the corresponding LED lamp piece to display according to the sensing result of the pressure sensing probe, and writing is simple and convenient;
3. the computer controller is internally provided with an error-proof module, when the number of the triggered convex heads which are adjacently connected is more than or equal to three at the same time, the error-proof module is triggered and controls the triggered LED lamp pieces corresponding to the triggered convex heads not to display; when the number of the triggered raised heads and the number of the adjacent connected raised heads are equal to two at the same moment, the error-proofing module is not triggered, the triggered LED lamp sheets corresponding to the triggered raised heads at the moment are controlled to display, and the setting of the error-proofing module can only identify the writing information of a writing pen, so that the influence of pressing a hand on a writing panel and the like is avoided;
4. according to the invention, the auxiliary supporting assembly is arranged, when the writing drawing board needs to be used, the auxiliary supporting assembly is opened, so that the contact area between the fixed base and the ground can be increased, and the shaking of the writing panel during writing is reduced; by arranging the protection assembly and the suspension rod, the liquid crystal display screen can be protected, dust is prevented from appearing on the liquid crystal display screen, and meanwhile, when the liquid crystal display screen is used, the protection cover is suspended on the suspension rod and placed at a fixed point; through having set up round pin axle, first screw, second screw and long screw, can realize writing panel's rotation, can fix writing panel simultaneously, the two sides of the writing panel of being convenient for obtain make full use of, have guaranteed the stability of writing panel when writing simultaneously.
Drawings
FIG. 1 is a schematic diagram of a computer-based English learning writing device;
FIG. 2 is a schematic structural diagram of a protective assembly in a computer-based English learning writing device;
FIG. 3 is an enlarged view of the structure of portion A in FIG. 1;
FIG. 4 is a schematic view of the internal front view of a writing panel of a computer-based English learning writing device;
fig. 5 is a schematic view of the internal cross-sectional structure of a writing panel of a computer-based english learning writing device.
Detailed Description
Referring to fig. 1 to 5, in the embodiment of the present invention, a computer-based english learning writing device includes an installation support assembly, a computer controller, a display screen 9, a writing panel 16, and a writing pen 22, wherein the support capable of adjusting an inclination angle of the writing panel 16 is disposed on the installation support assembly;
the writing panel 16 is in control connection with the computer controller, the computer controller is in display connection with the display screen 9,
the computer controller is responsible for identifying English letter information written by the writing panel 16 and can be simultaneously displayed on the writing panel 16 and the display screen 9;
the piezoelectric sensing assemblies and the LED lamp strip assemblies are densely arranged in the writing panel 16 along a plane parallel to a writing plane, wherein when the writing pen 22 is used for writing on the writing panel 16, the piezoelectric sensing assemblies and the LED lamp strip assemblies can identify and display the writing position and strokes;
and the computer controller identifies the written content according to the feedback information of the piezoelectric sensing assembly and displays the written content in the display screen 9.
In this embodiment, the piezoelectric sensing assembly includes a plurality of pressure sensing probes 26 disposed at equal intervals, the LED lamp assembly includes a plurality of LED lamp pieces 23 disposed at equal intervals, wherein the upper end surface of the inner board body of the writing panel is provided with a plurality of mounting micro-hole slots 27 in an array, the bottom wall of each mounting micro-hole slot is attached with the pressure sensing probe 26 corresponding to the mounting micro-hole slot one by one, a sliding trigger rod 20 is disposed in the mounting micro-hole slot 27 and can slide up and down, the upper end surface of the sliding trigger rod 20 extends out of the upper end surface of the mounting micro-hole slot, the LED lamp piece 23 is disposed on the upper portion of the sliding trigger rod 20, when the writing pen 22 applies a writing force to the sliding trigger rod 20, the sliding trigger rod 20 acts on the pressure sensing probe 26, the pressure sensing probe senses a trigger reaction of the writing action, and the computer controller controls the corresponding LED lamp sheet to display according to the sensing result of the pressure sensing probe.
In a preferred embodiment, a protruding head 24 is fixedly connected to the top of the sliding trigger rod 20, the upper end surface of the protruding head 24 is a convex structure, the protruding head 24 is a transparent structure, a return spring 25 is disposed between the bottom end surface of the sliding trigger rod 20 and the inner bottom wall of the mounting micro-hole groove 27, and a trigger head 28 for triggering the pressure sensing probe 26 is further disposed at the bottom of the sliding trigger rod 20.
The gap between two adjacent raised heads 24 is smaller than the width of the writing pen point of the writing pen 22, and the cross section of the writing pen point is larger than the maximum cross section of one raised head and smaller than the sum of the maximum cross sections of the two raised heads, so that only two adjacent raised heads 24 are triggered simultaneously during writing.
As a better embodiment, an error-proofing module is further arranged inside the computer controller, and when the number of the triggered and adjacent connected raised heads 24 is more than or equal to three at the same time, the error-proofing module is triggered and controls the triggered corresponding LED lamp chips not to display;
when the number of the triggered convex heads 24 connected adjacently is equal to two in the same moment, the error-proofing module is not triggered, and the LED lamp sheets corresponding to the triggered convex heads are controlled to display.
Wherein, the installation supporting component includes fixed baseplate 1, supplementary supporting component 4, first mounting bracket 5, second mounting bracket 6 and writes frame 14, and wherein, fixed baseplate 1's lower surface is seted up flutedly 3, the internally mounted of recess 3 has supplementary supporting component 4, fixed baseplate 1's last fixed surface installs first mounting bracket 5, and fixed baseplate 1's upper surface keeps away from one side position department of first mounting bracket 5 and installs second mounting bracket 6, the inboard of first mounting bracket 5 and second mounting bracket 6 has writing frame 14 through bolt fixed mounting, writing frame 14's internally mounted have writing panel 16.
As a better embodiment, a fixing plate 7 is fixedly arranged on one side of the second mounting frame 6, a first screw hole 12 is formed in the position, close to the fixing plate 7, above the surface of the second mounting frame 6, a suspension rod 10 is fixedly arranged on the rear side of the second mounting frame 6, a protection component 11 is suspended inside the suspension rod 10, a long screw 13 is mounted inside the first screw hole 12, a connecting plate 8 is fixedly arranged on the upper surface of the fixing plate 7, a liquid crystal display 9 is fixedly arranged on the upper surface of the connecting plate 8, and the display is connected with the computer controller through a data line.
The auxiliary support assembly 4 comprises a support plate 41 and a shock pad 42, the shock pad 42 is fixedly arranged at the bottom end of the support plate 41, the upper surface of the support plate 41 is rotatably connected with the fixed base 1 through a rotating shaft, the shock pad 42 and the buffer pad 2 are positioned on the same horizontal plane, and the shock pad 42 is a rubber member; the fixing base 1 is in an I shape, and the fixing base 1 and the cushion pad 2 are bonded and fixed through strong glue.
In addition, in the present invention, the protective assembly 11 includes a protective cover 111, a locking groove 112 and a hanging lug 113, the locking groove 112 is formed inside the protective cover 111, the hanging lug 113 is fixedly arranged at the top end of the protective cover 111, and the width of the locking groove 112 is greater than the width of the liquid crystal display 9; the diameter of the hanging lug 113 is larger than that of the hanging rod 10, and the hanging lug 113 and the protective cover 111 are of an integrated structure. The top of writing frame 14 corresponds the inside embedding of writing panel 16 and is installed round pin axle 15, and the position department that the surface of writing frame 14 corresponds first screw 12 has seted up second screw 17, the diameter of second screw 17 is the same with the diameter of first screw 12, writing frame 14 rotates through round pin axle 15 with writing panel 16 and is connected, when writing panel 16 for writing panel is around long screw 13, rotates and can angle regulation, and when not using, and round pin axle 15 fixes writing panel.
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 are equivalent to or changed within the technical scope of the present invention.
Claims (6)
1. A computer-based English learning writing device comprises an installation supporting component, a computer controller, a display screen (9), a writing panel (16) and a writing pen (22), wherein a support with an adjustable inclination angle of the writing panel (16) is arranged on the installation supporting component;
the writing panel (16) is in control connection with the computer controller, the computer controller is in display connection with the display screen (9),
the computer controller is responsible for identifying English letter information written by the writing panel (16) and can be simultaneously displayed on the writing panel (16) and the display screen (9);
the piezoelectric sensing assemblies and the LED lamp strip assemblies are densely arranged in the writing panel (16) along the plane parallel to the writing plane, wherein when the writing pen (22) is used for writing on the writing panel (16), the piezoelectric sensing assemblies and the LED lamp strip assemblies can identify and display the writing position and strokes;
the computer controller identifies the written content according to the feedback information of the piezoelectric sensing assembly and displays the written content in the display screen (9);
the piezoelectric sensing assembly comprises a plurality of pressure sensing probes (26) which are densely and equidistantly arranged, the LED lamp piece assembly comprises a plurality of LED lamp pieces (23) which are densely and equidistantly arranged, a plurality of mounting micro-hole grooves (27) which are densely arrayed are formed in the upper end face of an inner board body of the writing panel, the pressure sensing probes (26) which are one-to-one corresponding to the mounting micro-hole grooves are respectively attached to the bottom wall of each mounting micro-hole groove, a sliding trigger rod (20) can be arranged in each mounting micro-hole groove (27) in a vertically sliding mode, the upper end face of each sliding trigger rod (20) extends out of the upper end face of each mounting micro-hole groove, the LED lamp pieces (23) are arranged on the upper portion of each sliding trigger rod (20), and when the writing pen (22) applies writing force to the sliding trigger rods (20), the sliding trigger rods (20) act on the pressure sensing probes (26), the pressure sensing probe senses the trigger reaction of the writing action, and the computer controller controls the corresponding LED lamp sheet to display according to the sensing result of the pressure sensing probe;
the top of the sliding trigger rod (20) is fixedly connected with a raised head (24), the upper end surface of the raised head (24) is of a convex structure, the raised head (24) is of a transparent structure, a return spring (25) is arranged between the bottom end surface of the sliding trigger rod (20) and the inner bottom wall of the mounting micropore groove (27), and the bottom of the sliding trigger rod (20) is also provided with a trigger head (28) for triggering the pressure sensing probe (26);
the clearance between two adjacent raised heads (24) is smaller than the width of the writing pen point of the writing pen (22), and the cross section of the writing pen point is larger than the maximum cross section of one raised head and smaller than the sum of the maximum cross sections of the two raised heads, so that only two adjacent raised heads (24) are triggered simultaneously during writing;
the computer controller is internally provided with an error-proof module, when the number of the triggered convex heads (24) which are adjacently connected is more than or equal to three at the same time, the error-proof module is triggered and controls the triggered LED lamp pieces corresponding to the triggered convex heads not to display;
when the number of the triggered convex heads (24) connected adjacently is equal to two in the same moment, the error-proof module is not triggered, and the LED lamp piece corresponding to the triggered convex head is controlled to display.
2. A computer-based English learning writing apparatus according to claim 1, the mounting and supporting component comprises a fixed base (1), an auxiliary supporting component (4), a first mounting rack (5), a second mounting rack (6) and a writing frame (14), wherein, the lower surface of the fixed base (1) is provided with a groove (3), an auxiliary supporting component (4) is arranged in the groove (3), a first mounting rack (5) is fixedly arranged on the upper surface of the fixed base (1), a second mounting rack (6) is arranged at one side position of the upper surface of the fixed base (1) far away from the first mounting rack (5), the inner sides of the first mounting rack (5) and the second mounting rack (6) are fixedly provided with writing frames (14) through bolts, the writing panel (16) is mounted inside the writing frame (14).
3. The computer-based English learning and writing device according to claim 2, wherein a fixing plate (7) is fixedly arranged on one side of the second mounting frame (6), a first screw hole (12) is formed in the surface of the second mounting frame (6) at a position close to the upper part of the fixing plate (7), a hanging rod (10) is fixedly arranged on the rear side of the second mounting frame (6), a protective component (11) is hung inside the hanging rod (10), a long screw rod (13) is installed inside the first screw hole (12), and the writing panel can rotate around the long screw rod (13) so as to adjust the angle; the last fixed surface of fixed plate (7) installs connecting plate (8), the last fixed surface of connecting plate (8) is provided with liquid crystal display (9), the display screen with computer controller adopts the data line to connect.
4. A computer-based english learning writing device according to claim 2, characterized in that, the auxiliary supporting component (4) comprises a supporting plate (41) and a shock pad (42), the bottom end of the supporting plate (41) is fixedly provided with the shock pad (42), the upper surface of the supporting plate (41) is rotatably connected with the fixed base (1) through a rotating shaft, the shock pad (42) and the buffer pad (2) are in the same horizontal plane, and the shock pad (42) is a rubber component; the fixing base (1) is I-shaped, and the fixing base (1) and the cushion pad (2) are bonded and fixed through strong glue.
5. The computer-based English learning writing device according to claim 3, wherein the protective assembly (11) comprises a protective cover (111), a clamping groove (112) and a hanging lug (113), the clamping groove (112) is formed in the protective cover (111), the hanging lug (113) is fixedly arranged at the top end of the protective cover (111), and the width of the clamping groove (112) is greater than that of the liquid crystal display (9); the diameter of the hanging lug (113) is larger than that of the hanging rod (10), and the hanging lug (113) and the protective cover (111) are of an integrated structure.
6. The computer-based English learning writing device according to claim 2, wherein a pin (15) is embedded in the upper portion of the writing frame (14) corresponding to the writing panel (16), a second screw hole (17) is formed in the position of the surface of the writing frame (14) corresponding to the first screw hole (12), the diameter of the second screw hole (17) is the same as that of the first screw hole (12), and the writing frame (14) is rotatably connected with the writing panel (16) through the pin (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811630876.9A CN109584641B (en) | 2018-12-28 | 2018-12-28 | English learning writing device based on computer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811630876.9A CN109584641B (en) | 2018-12-28 | 2018-12-28 | English learning writing device based on computer |
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| Publication Number | Publication Date |
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| CN109584641A CN109584641A (en) | 2019-04-05 |
| CN109584641B true CN109584641B (en) | 2020-12-29 |
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| CN201811630876.9A Expired - Fee Related CN109584641B (en) | 2018-12-28 | 2018-12-28 | English learning writing device based on computer |
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| CN109935114B (en) * | 2019-04-18 | 2021-07-27 | 江苏海事职业技术学院 | English picture arragement teaching equipment |
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