CN109672836B - English learning computer video recording device - Google Patents
English learning computer video recording device Download PDFInfo
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- CN109672836B CN109672836B CN201811629735.5A CN201811629735A CN109672836B CN 109672836 B CN109672836 B CN 109672836B CN 201811629735 A CN201811629735 A CN 201811629735A CN 109672836 B CN109672836 B CN 109672836B
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- 238000004458 analytical method Methods 0.000 claims abstract description 26
- 238000009434 installation Methods 0.000 claims description 20
- 238000001125 extrusion Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 8
- 238000010191 image analysis Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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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
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/06—Foreign languages
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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
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
- G09B5/065—Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems
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Abstract
The invention discloses a computer video recording device for English learning, which takes audio frequency as a reference, analyzes the video recording content, can select the video recording information of a video recorder according to the audio frequency content and ensures that the audio frequency and the video recording content are consistent; when the video image information recorded by the main video recorder contains the sound content analyzed by the audio analysis module, the acquisition control center only needs to analyze and store the video image information recorded by the main video recorder; when the video image information recorded by the main video recorder does not contain the sound content analyzed by the audio analysis module, the storage content of the acquisition control center is switched to the auxiliary video recorder, and the storage content of the acquisition control center is switched to the main video recorder again until the video image information recorded by the auxiliary main video recorder does not contain the sound content analyzed by the audio analysis module.
Description
Technical Field
The invention relates to the field of English learning equipment, in particular to an English learning computer video recording device.
Background
With the development of society and the progress of science and technology, the communication of people is more and more advanced, English is the most common communication language applied in the world, most people must learn to use the communication language, and in the English learning process, a video device is required to be used for recording the communication language, so that people can conveniently review the communication language.
However, the current video recording devices are generally installed in a classroom individually, and since a teacher sometimes needs to explain the content on a blackboard or a projector while pointing, the video recording device is easy to cause that the content being explained by the teacher cannot be recorded due to the shielding of the teacher, which causes that the content being explained by the teacher cannot be accurately displayed during subsequent distance teaching or self-learning, and cannot be formed in video recording.
In addition, present video cassette recorder generally fixes in the classroom, be difficult to carry out adjusting position or installation etc. as required, can't install as required at will, for example, chinese patent discloses a portable video recording equipment of computer (grant notice No. CN 207382445U) based on thing networking, this patent technology is convenient for realize the piece and is adjusted and the communication, high durability and convenient use, moreover, the operation is simple and convenient, high efficiency, can save time, but present english study computer video recording device is at the in-process that uses, still there are more weak points, the user can not install fast and dismantle the video cassette recorder, give people and increased work load, and the device stability is relatively poor, in case people's unexpected touching just can make it fall down, reduce its life. Therefore, those skilled in the art have provided a computer video recording device for english learning to solve the above-mentioned problems of the background art.
Disclosure of Invention
The invention aims to provide a computer video recording device for English learning, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a computer video recording device for English learning comprises a main video recorder, a secondary video recorder and an acquisition control center, wherein the main video recorder and the secondary video recorder are obliquely and symmetrically arranged at the rear part of an English learning classroom and are opposite to the position of a platform; it is characterized in that the preparation method is characterized in that,
the heights of the main video recorder and the auxiliary video recorder are both arranged in an adjustable manner, and the rotation angles of the main camera and the auxiliary camera in the horizontal direction and the vertical inclination angles of the main camera and the auxiliary camera in the vertical direction are both arranged in an adjustable manner;
one of the main video recorder and the auxiliary video recorder is provided with an audio recording module;
the acquisition control center only stores the image video information acquired by one of the main video recorder or the auxiliary video recorder at the same time; wherein,
the acquisition control center is internally provided with an audio analysis module for analyzing the audio information recorded by the audio recording module and an image analysis module for analyzing the image acquired by the camera, and the audio analysis module can perform audio processing on the sound for English learning and can compare the sound with the data analyzed by the image analysis module;
when the video image information recorded by the main video recorder contains the sound content analyzed by the audio analysis module, the acquisition control center only needs to analyze and store the video image information recorded by the main video recorder; when the video image information recorded by the main recorder does not contain the sound content analyzed by the audio analysis module,
and the acquisition control center stores content and switches to the auxiliary video recorder, and the acquisition control center stores content and does not switch to the main video recorder again until the video image information recorded by the auxiliary main video recorder does not contain the sound content analyzed by the audio analysis module.
As a still further scheme of the invention: the main video recorder and the auxiliary video recorder are both detachably arranged so as to be convenient for field installation and adjustment.
As a still further scheme of the invention: the main video recorder and the auxiliary video recorder respectively comprise a telescopic supporting component, a video recorder body and a camera, wherein the video recorder body is positioned at the top of the telescopic supporting component, the top of the video recorder body is provided with the rotation adjusting seat, the rotation adjusting seat is provided with a mounting seat in a hinged mode through a hinged shaft, the hinged shaft is horizontally arranged, the top of the mounting seat is a mounting surface, a square mounting hole and a circular positioning hole are formed in the mounting surface, and the bottom of the video recorder body is provided with a direction mounting seat and a circular positioning pin which stretch into the square mounting hole and the circular positioning hole.
As a still further scheme of the invention: the bottom of mount pad is provided with and stretches into the rotation post in the rotation regulation seat, the outside fixed cover that rotates the post is equipped with the collar, one in main video recorder or the vice video recorder fixedly be provided with the audio recorder that the level extends forward on the collar, be provided with the audio recording module in the audio recorder.
As a still further scheme of the invention: and a support plate extending horizontally is further fixedly arranged on the mounting ring, and the support plate is hinged to the mounting seat through an inclined adjusting telescopic piece.
As a still further scheme of the invention: the utility model discloses a video recorder, including telescopic bracket, mount, telescopic bracket, fixing assembly.
As a still further scheme of the invention: the fixed subassembly in bottom includes I section supporting component, II section supporting component, III section supporting component and IV section supporting component, wherein, the spout has been seted up on one side of mount along vertical direction, and one side of mount is close to the spout rear and has seted up the locating hole, one side of mount is close to spout one side and sets up I section supporting component, the opposite side setting of mount II section supporting component, the place ahead setting of mount III section supporting component, and the rear setting of mount IV section supporting component.
As a still further scheme of the invention: the fastening assembly comprises a threaded rod, an extrusion plate and a fastening rubber pad, the threaded rod is mounted inside the fastening assembly, the extrusion plate is arranged at one end of the threaded rod, and the fastening rubber pad is bonded on the side surface of the extrusion plate.
As a still further scheme of the invention: the I section supporting component comprises a sliding block, a supporting rod, a movable frame and a groove, the sliding block is arranged inside the I section supporting component, one side of the sliding block is connected with the supporting rod in a rotating mode, the lower portion of the supporting rod is connected with the movable frame in a rotating mode, the groove is formed in the movable frame, and the inner structure of the I section supporting component is the same as the inner structure of the II section supporting component, the III section supporting component and the IV section supporting component.
As a still further scheme of the invention: a bearing is arranged at the joint of the threaded rod and the extrusion plate, and an end cap is sleeved at one end of the threaded rod; the sliding block is connected with the movable frame through a support rod, a locking bolt is embedded in the side surface of the sliding block, and a rotating connecting piece is arranged at one end of the movable frame; fastening bolts are embedded in the front surface of the fixing frame, and mounting holes are formed in the front surface of the telescopic frame at equal intervals in the vertical direction.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention takes the audio frequency as the standard, analyzes the video content, can select the video information of the video recorder according to the audio content, and ensures that the audio frequency is consistent with the video content;
(2) when the video image information recorded by the main video recorder contains the sound content analyzed by the audio analysis module, the acquisition control center only needs to analyze and store the video image information recorded by the main video recorder; when the video image information recorded by the main video recorder does not contain the sound content analyzed by the audio analysis module, the storage content of the acquisition control center is switched to the auxiliary video recorder, and the storage content of the acquisition control center is switched to the main video recorder again until the video image information recorded by the auxiliary main video recorder does not contain the sound content analyzed by the audio analysis module, so that only one proper and better video information at the same moment is needed to be stored, the accuracy of the video information can be ensured, and the storage space can be saved;
(3) the design of the fastening assembly can rapidly clamp and fix the video recorder, thereby not only facilitating the disassembly and the assembly of people, but also ensuring the stability after the assembly; the design of multistage supporting component has not only improved the stability when whole device is placed, has avoided unexpected touching to fall down, has still made things convenient for people to carry it, has improved its convenience, and this video recording device can be comparatively effectual carry out the record to study content, has made things convenient for people to review.
Drawings
FIG. 1 is a schematic structural diagram of an English learning computer video recording device
FIG. 2 is a schematic diagram of a main video recorder or a sub video recorder of the English learning computer video recording device;
FIG. 3 is a schematic structural diagram of a fastening assembly of an English learning computer video recording device;
FIG. 4 is a schematic structural diagram of an I-stage support assembly in an English learning computer video recording device;
fig. 5 is a schematic structural diagram of a position of a mounting seat in an english learning computer video recording device.
Detailed Description
Referring to fig. 1 to 5, in the embodiment of the invention, an english learning computer video recording device comprises a main video recorder 00, a secondary video recorder 01 and an acquisition control center 02, wherein the main video recorder 00 and the secondary video recorder 01 are obliquely and symmetrically arranged at the rear part of an english learning classroom and are opposite to the position of a platform, the main video recorder 00 and the secondary video recorder 01 are respectively connected with a main camera and a secondary camera, the central axes of the lenses of the main camera and the secondary camera both irradiate the platform 03 at an oblique angle, and the main video recorder 00 and the secondary video recorder 01 are both in communication connection with the acquisition control center 02; it is characterized in that the preparation method is characterized in that,
the heights of the main video recorder 00 and the auxiliary video recorder 01 are both adjustable, and the rotation angles of the main camera and the auxiliary camera in the horizontal direction and the vertical inclination angles of the main camera and the auxiliary camera in the vertical direction are both adjustable;
one of the main video recorder 00 and the auxiliary video recorder 01 is provided with an audio recording module;
the acquisition control center 02 stores only image video information acquired by one of the main video recorder 00 or the sub video recorder 01 at the same time; wherein,
an audio analysis module for analyzing the audio information recorded by the audio recording module and an image analysis module for analyzing the image acquired by the camera are arranged in the acquisition control center 02, and the audio analysis module can perform audio processing on the sound for English learning and can compare the sound with the data analyzed by the image analysis module;
when the video image information recorded by the main video recorder 00 contains the sound content analyzed by the audio analysis module, the acquisition control center 02 only needs to analyze and store the video image information recorded by the main video recorder 00; when the video image information recorded by the main recorder 00 does not include the sound content analyzed by the audio analysis module,
the acquisition control center 02 switches the storage content to the sub-recorder 01, and the acquisition control center 02 switches the storage content to the main recorder 01 again until the video image information recorded by the sub-main recorder 01 does not contain the sound content analyzed by the audio analysis module.
In this embodiment, the main video recorder 00 and the sub video recorder 01 are both detachably installed for on-site installation and adjustment.
As a better embodiment, the main video recorder 00 and the sub video recorder 01 both include a telescopic supporting component, a video recorder body 1 and a camera 13, wherein the video recorder body 1 is positioned and arranged on the top of the telescopic supporting component, the top of the video recorder body 1 is provided with the rotation adjusting seat 14, the rotation adjusting seat is provided with an installation seat 18 in a hinged mode through a hinge shaft 21, the hinge shaft is arranged horizontally, the top of the installation seat is an installation surface, the installation surface is provided with a square installation hole 19 and a circular positioning hole 20, and the bottom of the video recorder body 1 is provided with a direction installation seat and a circular positioning pin extending into the square installation hole 19 and the circular positioning hole 20.
The bottom of mount pad 18 is provided with and stretches into the rotation post in the rotation regulation seat 14, the outside fixed cover of rotation post is equipped with collar 22, in one of main video recorder 00 or vice video recorder 01 fixedly on the collar be provided with the audio frequency recorder 17 that the level extends forward, be provided with the audio frequency recording module in the audio frequency recorder 17.
A horizontally extending support plate 15 is further fixedly arranged on the mounting ring, and the support plate 15 is hinged to the mounting seat 18 through an inclination adjusting telescopic piece 16.
As better embodiment, flexible supporting component includes support frame 2, expansion bracket 5, mount 6 and the fixed subassembly in bottom, wherein, video recorder 1's below is provided with support frame 2, the side surface of support frame 2 is fixed with fixed sleeve 3, and the side surface of support frame 2 corresponds the inside embedding of fixed sleeve 3 and installs fastening component 4, the lower fixed surface of support frame 2 has expansion bracket 5, the below of expansion bracket 5 has cup jointed mount 6, the folding bottom fixed subassembly that is provided with in bottom of mount 6, can make when the fixed subassembly in bottom expandes the mount keeps vertical state.
As a better embodiment, the bottom fixing component includes a first section supporting component 9, a second section supporting component 10, a third section supporting component 11 and a fourth section supporting component 12, wherein, a chute 7 is provided along the vertical direction on one side of the fixing frame 6, a positioning hole 8 is provided on one side of the fixing frame 6 near the rear of the chute 7, the first section supporting component 9 is provided on one side of the fixing frame 6 near the chute 7, the second section supporting component 10 is provided on the other side of the fixing frame 6, the third section supporting component 11 is provided in front of the fixing frame 6, and the fourth section supporting component 12 is provided at the rear of the fixing frame 6.
Fastening components 4 includes threaded rod 41, stripper plate 42 and fastening cushion 43, fastening components 4's internally mounted has threaded rod 41, the one end of threaded rod 41 is provided with stripper plate 42, stripper plate 42's side surface bonds and has fastening cushion 43, and fastening components 4's design can carry out the centre gripping fast to video recorder 1 and fix, has not only made things convenient for people to dismantle and the installation, has still guaranteed the steadiness after its installation.
I section supporting component 9 includes sliding block 91, bracing piece 92, adjustable shelf 93 and recess 94, the internally mounted of I section supporting component 9 has sliding block 91, one side of sliding block 91 is rotated and is connected with bracing piece 92, the below of bracing piece 92 is rotated and is connected with adjustable shelf 93, recess 94 has been seted up to the inside of adjustable shelf 93, the inner structure of I section supporting component 9 is the same with the inner structure of II section supporting component 10, III section supporting component 11 and IV section supporting component 12 respectively, and the design of multistage supporting component has not only improved the stability when whole device is placed, has avoided unexpected touching to fall down, has still made things convenient for people to carry it, has improved its convenience.
A bearing is arranged at the joint of the threaded rod 41 and the extrusion plate 42, and an end cap is sleeved at one end of the threaded rod 41; the sliding block 91 is connected with the movable frame 93 through a support rod 92, a locking bolt is embedded in the side surface of the sliding block 91, and a rotating connecting piece is arranged at one end of the movable frame 93; the front surface of the fixing frame 6 is embedded with fastening bolts, and the front surface of the expansion bracket 5 is equidistantly provided with mounting holes along the vertical direction
When the telescopic frame is installed in use, firstly, after a user adjusts the telescopic frame 5 and the fixed frame 6 to proper heights, the telescopic frame and the fixed frame are fixed by using screws, the locking bolt on the sliding block 91 is unscrewed, the sliding block 91 slides downwards in the sliding groove 7, and when the sliding block slides to the lowest position, the locking bolt is screwed down, and at the moment, a triangular support structure is formed among the supporting rod 92, the movable frame 93 and the fixed frame 6, so that a stable supporting function can be provided for the triangular support structure, the phenomenon that a person accidentally touches the triangular support structure to fall down and damage the triangular support structure can be avoided, and a good protection function is provided; secondly, the user places the video recorder 1 on the support frame 2, the user holds one end of the threaded rod 41 to rotate, the threaded rod 41 rotates in the fixing sleeve 3, the threaded rod 41 drives the extrusion plate 42 to move while rotating, so that the two fastening rubber pads 43 are tightly attached to the two sides of the video recorder 1 respectively, the video recorder body 1 can be clamped and fixed rapidly by the design mode, the disassembly and the assembly of people are facilitated, and the stability after the assembly of the video recorder body is ensured; an audio analysis module for analyzing the audio information recorded by the audio recording module and an image analysis module for analyzing the image acquired by the camera are arranged in the acquisition control center 02, and the audio analysis module can perform audio processing on the sound for English learning and can compare the sound with the data analyzed by the image analysis module; when the video image information recorded by the main video recorder 00 contains the sound content analyzed by the audio analysis module, the acquisition control center 02 only needs to analyze and store the video image information recorded by the main video recorder 00; when the video image information recorded by the main video recorder 00 does not contain the sound content analyzed by the audio analysis module, the collection control center 02 switches the stored content to the sub video recorder 01, and the collection control center 02 switches the stored content to the main video recorder 01 again until the video image information recorded by the sub main video recorder 01 does not contain the sound content analyzed by the audio analysis module.
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 (4)
1. A computer video recording device for English learning comprises a main video recorder (00), a secondary video recorder (01) and an acquisition control center (02), wherein the main video recorder (00) and the secondary video recorder (01) are obliquely and symmetrically arranged at the rear part of an English learning classroom and are opposite to the position of a platform, the main video recorder (00) and the secondary video recorder (01) are respectively connected with a main camera and a secondary camera, the central axes of lenses of the main camera and the secondary camera shoot towards the platform (03) at an oblique angle, and the main video recorder (00) and the secondary video recorder (01) are in communication connection with the acquisition control center (02); it is characterized in that the preparation method is characterized in that,
the heights of the main video recorder (00) and the auxiliary video recorder (01) are both arranged in an adjustable manner, and the rotation angles of the main camera and the auxiliary camera in the horizontal direction and the vertical inclination angles in the vertical direction are both arranged in an adjustable manner;
one of the main video recorder (00) and the auxiliary video recorder (01) is provided with an audio recording module;
the acquisition control center (02) stores only image video information acquired by one of the main video recorder (00) or the auxiliary video recorder (01) at the same time; wherein,
an audio analysis module for analyzing the audio information recorded by the audio recording module and an image analysis module for analyzing the image acquired by the camera are arranged in the acquisition control center (02), and the audio analysis module can perform audio processing on the sound for English learning and can compare the sound with the data analyzed by the image analysis module;
when the video image information recorded by the main video recorder (00) contains the sound content analyzed by the audio analysis module, the acquisition control center (02) only needs to analyze and store the video image information recorded by the main video recorder (00); when the audio content analyzed by the audio analysis module is not included in the video image information recorded by the main video recorder (00),
the acquisition control center (02) stores content and switches to the auxiliary video recorder (01), and the acquisition control center (02) stores content and does not switch to the main video recorder (01) again until the video image information recorded by the auxiliary main video recorder (01) does not contain sound content analyzed by the audio analysis module;
the main video recorder (00) and the auxiliary video recorder (01) are detachably arranged so as to be convenient for field installation and adjustment;
the main video recorder (00) and the auxiliary video recorder (01) respectively comprise a telescopic supporting component, a video recorder body (1) and a camera (13), wherein the video recorder body (1) is positioned at the top of the telescopic supporting component, a rotary adjusting seat (14) is arranged at the top of the video recorder body (1), an installation seat (18) is hinged to the rotary adjusting seat through a hinge shaft (21), the hinge shaft is horizontally arranged, the top of the installation seat is an installation surface, a square installation hole (19) and a circular positioning hole (20) are formed in the installation surface, and a direction installation seat and a circular positioning pin extending into the square installation hole (19) and the circular positioning hole (20) are arranged at the bottom of the video recorder body (1);
the telescopic supporting component comprises a supporting frame (2), a telescopic frame (5), a fixing frame (6) and a bottom fixing component, wherein the supporting frame (2) is arranged below the video recorder body (1), a fixing sleeve (3) is fixed on the side surface of the supporting frame (2), a fastening component (4) is embedded into the side surface of the supporting frame (2) corresponding to the fixing sleeve (3), the telescopic frame (5) is fixed on the lower surface of the supporting frame (2), the fixing frame (6) is sleeved below the telescopic frame (5), the bottom of the fixing frame (6) is provided with the bottom fixing component in a foldable mode, and the fixing frame can be kept in a vertical state when the bottom fixing component is unfolded;
the bottom fixing component comprises a section I supporting component (9), a section II supporting component (10), a section III supporting component (11) and a section IV supporting component (12), wherein a sliding groove (7) is formed in one side of the fixing frame (6) in the vertical direction, a positioning hole (8) is formed in one side of the fixing frame (6) close to the rear of the sliding groove (7), the section I supporting component (9) is arranged in one side of the fixing frame (6) close to the sliding groove (7), the section II supporting component (10) is arranged in the other side of the fixing frame (6), the section III supporting component (11) is arranged in front of the fixing frame (6), and the section IV supporting component (12) is arranged behind the fixing frame (6);
the fastening assembly (4) comprises a threaded rod (41), an extrusion plate (42) and a fastening rubber pad (43), the threaded rod (41) is installed inside the fastening assembly (4), the extrusion plate (42) is arranged at one end of the threaded rod (41), and the fastening rubber pad (43) is bonded to the side surface of the extrusion plate (42);
i section supporting component (9) include sliding block (91), bracing piece (92), adjustable shelf (93) and recess (94), the internally mounted of I section supporting component (9) has sliding block (91), one side of sliding block (91) is rotated and is connected with bracing piece (92), the below of bracing piece (92) is rotated and is connected with adjustable shelf (93), the inside of adjustable shelf (93) is seted up flutedly (94), the inner structure of I section supporting component (9) is the same with the inner structure of II section supporting component (10), III section supporting component (11) and IV section supporting component (12) respectively.
2. The computer video recording device for English learning according to claim 1, wherein a rotating column extending into the rotating adjusting seat (14) is disposed at the bottom of the mounting seat (18), a mounting ring (22) is fixedly sleeved outside the rotating column, an audio recorder (17) extending horizontally forward is fixedly disposed on the mounting ring of one of the main video recorder (00) or the auxiliary video recorder (01), and an audio recording module is disposed in the audio recorder (17).
3. Computer video recording device for english learning according to claim 2, characterized in that said mounting ring is further provided with a horizontally extending support plate (15), said support plate (15) being hinged to said mounting seat (18) by means of a tilt adjustment telescopic element (16).
4. The English learning computer video recording device according to claim 3, wherein a bearing is arranged at the joint of the threaded rod (41) and the extrusion plate (42), and an end cap is sleeved on one end of the threaded rod (41); the sliding block (91) is connected with the movable frame (93) through a support rod (92), a locking bolt is embedded in the side surface of the sliding block (91), and a rotating connecting piece is arranged at one end of the movable frame (93); fastening bolts are embedded in the front surface of the fixing frame (6), and mounting holes are formed in the front surface of the telescopic frame (5) at equal intervals in the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811629735.5A CN109672836B (en) | 2018-12-28 | 2018-12-28 | English learning computer video recording device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811629735.5A CN109672836B (en) | 2018-12-28 | 2018-12-28 | English learning computer video recording device |
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| Publication Number | Publication Date |
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| CN109672836A CN109672836A (en) | 2019-04-23 |
| CN109672836B true CN109672836B (en) | 2020-11-24 |
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| CN201811629735.5A Expired - Fee Related CN109672836B (en) | 2018-12-28 | 2018-12-28 | English learning computer video recording device |
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| CN113034990A (en) * | 2021-02-25 | 2021-06-25 | 许昌学院 | A record device in class a little for english teaching |
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| CN103093654B (en) * | 2013-01-28 | 2014-12-03 | 北京航空航天大学 | Double video camera interactive intelligent tracking teaching system |
| CN104735417A (en) * | 2015-03-31 | 2015-06-24 | 宣城状元郎电子科技有限公司 | Digital teaching information collection classroom arrangement system |
| CN108322638A (en) * | 2017-01-17 | 2018-07-24 | 中兴通讯股份有限公司 | Video recording method and device |
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