CN217008645U - Intelligent voice data analysis and correction device - Google Patents
Intelligent voice data analysis and correction device Download PDFInfo
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- CN217008645U CN217008645U CN202123310872.2U CN202123310872U CN217008645U CN 217008645 U CN217008645 U CN 217008645U CN 202123310872 U CN202123310872 U CN 202123310872U CN 217008645 U CN217008645 U CN 217008645U
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- 238000007405 data analysis Methods 0.000 title claims abstract description 34
- 238000004458 analytical method Methods 0.000 claims abstract description 26
- 238000004140 cleaning Methods 0.000 claims abstract description 20
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 239000000969 carrier Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 244000309464 bull Species 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013075 data extraction Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000007105 physical stamina Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses an intelligent voice data analysis and correction device, which relates to the field of voice data analysis and correction and is used for an analysis device body; an analysis unit provided on a front surface of the apparatus body, for analyzing the recorded voice; the lifting mechanism is arranged in the device body, is used for adjusting the position of the analysis component and cleaning dirt in the device body, and consists of a lifting unit and a cleaning unit; the protection unit is arranged inside the device body of the device body and used for realizing the protection of the device body; and a driving unit disposed inside the apparatus body for improving the mobility of the apparatus body. The voice recorder inputs the voice of a user by arranging the analysis unit and the lifting mechanism, the data analysis module analyzes whether the input voice is wrong or not, the result is displayed on the data display screen, and the debugging button adjusts whether the wrong voice is replaced by the correct voice analyzed by the system or not.
Description
Technical Field
The utility model relates to the field of voice data analysis and correction, in particular to an intelligent voice data analysis and correction device.
Background
Along with the intelligent development, the wide use of smart phones makes people's mutual information more convenient, can select the mode of multiple interchange when the information interaction, for example video conversation, voice conversation and send pronunciation etc. utilize voice function can improve the accuracy of information interaction, avoid the incomplete inaccurate condition of information narration that the characters sent the information and lead to appear, effectively changed people's life style
Due to the appearance of the voice function, various software opens a voice recognition device belonging to the software, the safety of electronic products such as mobile phones and the like can be better improved by using the voice recognition device, the phenomenon that a stranger easily opens the mobile phone to steal information when the user is lost is avoided, and data extraction errors occur due to the fact that pronunciation is not standard sometimes when voice is input during data searching, so that the accuracy of voice input is improved by using an intelligent voice data analysis and correction device.
The device is corrected in current intelligent voice data analysis when using data analysis module mounted position is fixed, it is comparatively difficult to overhaul or change it to break down, and the internal dust that can save of long-time use device, untimely clearance can influence subsequent pronunciation and type, power source exposes wearing and tearing that can appear connecting power cord and make the device appear the short circuit, influence the normal use of device, pronunciation input device exposes and probably suffers the collision, cause the damage of pronunciation input device or follow-up pronunciation input unclear, the mobility of device is relatively poor, be not convenient for remote removal and use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: in order to solve the problems that the installation position of a data analysis module is fixed when an intelligent voice data analysis and correction device is used, the device is difficult to overhaul or replace due to faults, dust can be accumulated in the device body after long-time use, subsequent voice input can be influenced due to untimely cleaning, the power interface is exposed, the abrasion of a connecting power line can be caused, so that the device is short-circuited, the normal use of the device is influenced, the voice input device is exposed and can be collided, the damage of the voice input device or the subsequent voice input is not clear, the mobility of the device is poor, and the device is not convenient to move remotely.
In order to achieve the purpose, the utility model provides the following technical scheme: an intelligent voice data analysis and correction device, comprising:
a device body for analysis;
an analysis unit provided on a front surface of the apparatus body, for analyzing the recorded voice;
the lifting mechanism is arranged in the device body, is used for adjusting the position of the analysis component and cleaning dirt in the device body, and consists of a lifting unit and a cleaning unit;
the protection unit is arranged inside the device body of the device body and used for realizing the protection of the device body;
and a driving unit disposed inside the apparatus body for improving the mobility of the apparatus body.
As a still further scheme of the utility model: the analysis unit comprises a power supply connector arranged on the front surface of the device body, a voice recorder is arranged on the front surface of the device body, a data analysis module is arranged inside the device body, a data display screen is arranged on the front surface of the device body, and a debugging button is arranged on the front surface of the device body.
As a still further scheme of the utility model: the lifting unit comprises a module groove arranged in the device body, an electric current plate is arranged in the module groove, a pull-down groove is formed in the upper surface of the device body, a pull rod is arranged in the pull-down groove, a sliding block is arranged on one side of the pull rod, and a sliding groove is formed in the inner wall of the device body.
As a still further scheme of the utility model: the cleaning unit comprises a cleaning brush arranged on one side of the current plate, a hinged rod is arranged on the lower surface of the device body, a bottom plate is arranged on one side of the outer surface of the hinged rod, and a dirt groove is formed in the bottom plate.
As a still further scheme of the utility model: the protection unit is including setting up the turn trough in device body one side, the internally mounted in turn trough has the bull stick, the rotating gear is installed to the one end of bull stick, the rack slide is installed in the meshing of one side of rotating gear, the push pedal is installed to the one end of rack slide, the front surface mounting of push pedal has the interface protection frame, the protection frame groove has been seted up to the front surface of the device body, the sealing washer is installed to the inner wall of interface protection frame, the front surface of the device body has been seted up and has been recorded entry protection frame groove, the front surface mounting of push pedal has the entering ware protection frame.
As a still further scheme of the utility model: the drive unit is including setting up the lift groove at device body upper surface, the internally mounted in lift groove has the lifter, first rack plate is installed to the one end of lifter, one side meshing of first rack plate is installed and is changeed the tooth, it installs the second rack plate to change one side meshing of tooth, the sliding block is installed to one side of second rack plate, the sliding tray has been seted up to the inner wall of the device body, the slide bar is installed to the one end of second rack plate, the other end of second rack plate is installed and is removed the wheel, the race has been seted up to the inside of bottom plate.
As a still further scheme of the utility model: the outer surface of the moving wheel is provided with wheel carriers, and the number of the moving wheels is two.
Compared with the prior art, the utility model has the beneficial effects that:
1. through setting up analysis unit and elevating system, pronunciation entering device types user's pronunciation, data analysis module analyzes whether there is the mistake to the pronunciation of typing, show the result on the data display screen, whether debugging button adjustment changes wrong pronunciation into the correct pronunciation of system analysis, when the data analysis module breaks down, stimulate the pull rod to drive the current plate and slide in the spout, data analysis module of the upper end of current plate rises to the top of the apparatus body and overhauls, it looks over to the data analysis module to be convenient for maintenance personal, the cleaning brush carries out dirt clearance to the inner wall of the apparatus body, dirt accumulated inside the apparatus body is cleared up in time, improve the accuracy of subsequent pronunciation entry analysis of data analysis module;
2. protect the power connector from the device body through setting up protection unit and drive unit interface protection frame, avoid wearing and tearing to appear in the electric wire that power connector department connects, guarantee that the enough normal operating of device physical stamina, the sealing washer of interface protection frame inner wall installation seals power connector, avoid the dust to get into and cause the jam, the income ware protection frame protects the ware is recorded to pronunciation, it appears damaging to lead to follow-up pronunciation to type unclear to avoid pronunciation to record the ware and outside article to bump, improve the quality of pronunciation type analysis, the inside that the lifter drive removed the wheel roll-off device body supports the removal to the device body, improve the portability of the device body, conveniently carry out remote removal with the device body and use.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the current plate and bottom plate structure of the present invention;
FIG. 3 is a schematic view of the rack slide and push plate mounting structure of the present invention;
fig. 4 is a front sectional structural view of the present invention.
In the figure: 1. a device body; 2. a power supply connector; 3. a voice recorder; 4. a data analysis module; 5. a data display screen; 6. a debug button; 7. a module slot; 8. a current plate; 9. a pull-down groove; 10. a pull rod; 11. a slider; 12. a chute; 13. a cleaning brush; 14. a base plate; 15. a dirt groove; 16. a hinged lever; 17. rotating the groove; 18. a rotating rod; 19. a rotating gear; 20. a rack slide plate; 21. pushing the plate; 22. an interface protection frame; 23. a protective frame groove; 24. a seal ring; 25. recording an entrance protection frame groove; 26. an input device protection frame; 27. a lifting groove; 28. a lifting rod; 29. a first rack plate; 30. rotating the teeth; 31. a second rack plate; 32. a slider; 33. a sliding groove; 34. a slide bar; 35. a moving wheel; 36. a wheel groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art. The following describes an embodiment of the present invention based on its overall structure.
Referring to fig. 1 to 4, in an embodiment of the present invention, an intelligent voice data analysis and correction device includes:
a device body 1 for analysis;
an analysis unit provided on the front surface of the apparatus body 1 for analyzing the recorded voice;
the lifting mechanism is arranged in the device body 1, is used for adjusting the position of the analysis component and cleaning dirt in the device body 1, and consists of a lifting unit and a cleaning unit;
the protection unit is arranged inside the device body 1 of the device body 1 and used for realizing the protection of the device body 1;
and a driving unit provided inside the apparatus body 1 for improving the mobility of the apparatus body 1.
Please refer to fig. 1, the analysis unit includes a power connector 2 disposed on the front surface of the device body 1, a voice recorder 3 is mounted on the front surface of the device body 1, a data analysis module 4 is mounted inside the device body 1, a data display screen 5 is mounted on the front surface of the device body 1, and a debugging button 6 is mounted on the front surface of the device body 1.
As a preferred embodiment of the scheme: external power cord inserts in power connector 2, the starting drive body 1, and device body 1 front surface mounting's pronunciation input device 3 types the pronunciation of user, and whether the data analysis module 4 through device body 1 internally mounted carries out the analysis to the pronunciation of type and has the mistake, shows the result on data display screen 5, and whether debugging button 6 adjustment is with the pronunciation of mistake change the correct pronunciation of system analysis.
Please refer to fig. 1 and 2, the lifting unit includes a module slot 7 disposed inside the device body 1, a current plate 8 is disposed inside the module slot 7, a pull-down slot 9 is disposed on the upper surface of the device body 1, a pull rod 10 is disposed inside the pull-down slot 9, a slide block 11 is disposed on one side of the pull rod 10, and a slide slot 12 is disposed on the inner wall of the device body 1.
As a preferred embodiment of this solution: pulling pull rod 10 when data analysis module 4 breaks down, slider 11 drives current board 8 and slides in spout 12, rises to the top of the device body 1 with data analysis module 4 of current board 8 upper end and overhauls, and the maintenance personal of being convenient for looks over data analysis module 4, and the maintenance of being convenient for is changed.
Referring to fig. 2, the cleaning unit includes a cleaning brush 13 disposed at one side of the current plate 8, a hinge rod 16 is mounted at a lower surface of the device body 1, a bottom plate 14 is mounted at one side of an outer surface of the hinge rod 16, and a dirt groove 15 is formed inside the bottom plate 14.
As a preferred embodiment of this solution: the inner wall of the device body 1 is cleaned of dirt by the cleaning brush 13 installed on one side of the current plate 8 when the current plate is lifted, the cleaned dirt falls into the dirt groove 15 formed in the bottom plate 14, the dirt accumulated in the device body 1 is cleaned in time, the accuracy of the data analysis module 4 for subsequent voice input analysis is improved, and the hinged rod 16 is rotated to overturn the bottom plate 14 to pour out the dirt when the dirt in the dirt groove 15 is full.
Please refer to fig. 1 and fig. 3, the protection unit includes a rotary slot 17 disposed at one side of the device body 1, a rotary rod 18 is disposed inside the rotary slot 17, a rotary gear 19 is disposed at one end of the rotary rod 18, a rack sliding plate 20 is engaged with one side of the rotary gear 19, a push plate 21 is disposed at one end of the rack sliding plate 20, an interface protection frame 22 is disposed on a front surface of the push plate 21, a protection frame slot 23 is disposed on a front surface of the device body 1, a sealing ring 24 is disposed on an inner wall of the interface protection frame 22, a recording port protection frame slot 25 is disposed on the front surface of the device body 1, and a recording device protection frame 26 is disposed on the front surface of the push plate 21.
As a preferred embodiment of the scheme: the rotating rod 18 is rotated to drive the rotating gear 19 installed at one end to rotate, the rotating gear 19 drives the rack sliding plate 20 installed at one side in a meshed mode to horizontally move, the rack sliding plate 20 slides to drive the push plate 21 installed at one end to synchronously slide, when the push plate 21 is attached to the inner wall of the device body 1, the interface protection frame 22 installed on the front surface of the push plate 21 is ejected out of the protection frame groove 23 formed in the front surface of the device body 1 to protect the power connector 2, abrasion of wires connected with the power connector 2 is avoided, normal operation of the device body 1 is guaranteed, the power connector 2 is sealed by the sealing ring 24 installed on the inner wall of the interface protection frame 22, dust is prevented from entering and blocking, meanwhile, the recorder protection frame 26 installed on the front surface of the push plate 21 is ejected out of the recorder protection frame groove 25 formed in the front surface of the device body 1 to protect the voice recorder 3, and subsequent voice recording caused by damage of collision of the voice recorder 3 and unclear voice recording is avoided, the quality of voice recording analysis is improved.
Please refer to fig. 1 and 4, the driving unit includes a lifting groove 27 disposed on the upper surface of the device body 1, a lifting rod 28 is disposed inside the lifting groove 27, a first rack plate 29 is disposed at one end of the lifting rod 28, a rotating tooth 30 is engaged with one side of the first rack plate 29, a second rack plate 31 is engaged with one side of the rotating tooth 30, a sliding block 32 is disposed at one side of the second rack plate 31, a sliding groove 33 is disposed on the inner wall of the device body 1, a sliding rod 34 is disposed at one end of the second rack plate 31, a moving wheel 35 is disposed at the other end of the second rack plate 31, and a wheel groove 36 is disposed inside the bottom plate 14.
As a preferred embodiment of this solution: during the moving device, the lifting rod 28 is pulled out from the lifting groove 27, the first rack plate 29 arranged at one end of the lifting rod 28 is lifted to operate, the first rack plate 29 is lifted to drive the rotating teeth 30 arranged in a meshing manner on the rack surface to rotate, the rotating teeth 30 drive the second rack plate 31 arranged at one side in a meshing manner to operate in a descending manner, the second rack plate 31 slides in the sliding groove 33 through the sliding block 32, and the sliding rod 34 is matched with each other to drive the moving wheel 35 arranged at one end to slide out of the device body 1 through the wheel groove 36 formed in the bottom plate 14 to move the device body 1, so that the movement of the device body 1 is improved, and the device body 1 is convenient to be moved remotely.
Referring to fig. 1 again, the moving wheels 35 are provided with wheel frames on the outer surfaces thereof, and the number of the moving wheels 35 is two.
As a preferred embodiment of the scheme: the wheel frame protects the moving wheel 35, so that abrasion caused by excessive friction between the moving wheel 35 and the ground when the device body 1 moves is avoided, and the service life of the moving wheel 35 is prolonged.
The working principle of the utility model is as follows: when the device is used, an external power line is connected into the power supply connector 2, the device body 1 is started, a voice recorder 3 arranged on the front surface of the device body 1 records voice of a user, a data analysis module 4 arranged in the device body 1 analyzes whether the recorded voice is wrong, a result is displayed on a data display screen 5, a debugging button 6 adjusts whether the wrong voice is replaced by correct voice for system analysis, when the data analysis module 4 breaks down, a pull rod 10 is pulled, a sliding block 11 drives a current plate 8 to slide in a sliding groove 12, the data analysis module 4 arranged at the upper end of the current plate 8 is lifted to the top of the device body 1 for maintenance, a maintenance worker can check the data analysis module 4 conveniently, maintenance and replacement are facilitated, a cleaning brush 13 arranged on one side of the current plate 8 when the current plate is lifted carries out dirt cleaning on the inner wall of the device body 1, the cleaned dirt falls into a dirt groove 15 formed in a bottom plate 14, the dirt accumulated in the device body 1 is cleaned in time, the accuracy of the data analysis module 4 on subsequent voice input analysis is improved, when the dirt in the dirt groove 15 is full, the hinge rod 16 is rotated to overturn the bottom plate 14 to pour out the dirt, the rotating rod 18 is rotated to drive the rotating gear 19 arranged at one end to rotate, the rotating gear 19 drives the rack sliding plate 20 arranged at one side in a meshed mode to move horizontally, the rack sliding plate 20 slides to drive the push plate 21 arranged at one end to slide synchronously, when the push plate 21 is attached to the inner wall of the device body 1, the interface protection frame 22 arranged on the front surface of the push plate 21 is ejected out of the protection frame groove 23 formed in the front surface of the device body 1 to protect the power supply connector 2, the abrasion of the electric wire connected with the power supply connector 2 is avoided, the normal operation of the device body 1 is ensured, and the sealing ring 24 arranged on the inner wall of the interface protection frame 22 seals the power supply connector 2, the voice recorder 3 is prevented from being blocked due to dust entering, meanwhile, a recorder protective frame 26 arranged on the front surface of a push plate 21 is ejected out of a recording port protective frame groove 25 formed in the front surface of the device body 1 to protect the voice recorder 3, the voice recorder 3 is prevented from being damaged due to collision with external articles, subsequent voice recording is not clear, the quality of voice recording analysis is improved, when a device needs to be moved, a lifting rod 28 is pulled out of a lifting groove 27, a first rack plate 29 arranged at one end of the lifting rod 28 performs lifting operation, the lifting of the first rack plate 29 drives a rotating tooth 30 arranged in a rack surface meshed manner to rotate, the rotating tooth 30 drives a second rack plate 31 arranged at one side in a meshed manner to perform descending sliding block operation, the second rack plate 31 slides in a sliding groove 33 through a sliding rod 32, and the mutual matching of the sliding rod 34 drives a moving wheel 35 arranged at one end to slide out of the inside of the device body 1 through a wheel groove 36 formed in a bottom plate 14 to move the device body 1, the device body 1 is improved to be movable, and the device body 1 is convenient to be moved for use in a long distance.
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 scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.
Claims (7)
1. An intelligent voice data analysis and correction device, comprising:
a device body (1) for analysis;
an analysis unit provided on the front surface of the apparatus body (1) for analyzing the recorded voice;
the lifting mechanism is arranged in the device body (1), is used for adjusting the position of the analysis component and cleaning dirt in the device body (1), and consists of a lifting unit and a cleaning unit;
the protection unit is arranged inside the device body (1) of the device body (1) and used for realizing the protection of the device body (1);
and a drive unit which is arranged inside the device body (1) and is used for improving the mobility of the device body (1).
2. The intelligent voice data analyzing and correcting device according to claim 1, wherein the analyzing unit comprises a power supply connector (2) arranged on the front surface of the device body (1), the voice recorder (3) is arranged on the front surface of the device body (1), the data analyzing module (4) is arranged inside the device body (1), the data display screen (5) is arranged on the front surface of the device body (1), and the debugging button (6) is arranged on the front surface of the device body (1).
3. The intelligent voice data analyzing and correcting device according to claim 1, wherein the lifting unit comprises a module groove (7) arranged inside the device body (1), an electric current board (8) is arranged inside the module groove (7), a pull-down groove (9) is arranged on the upper surface of the device body (1), a pull rod (10) is arranged inside the pull-down groove (9), a sliding block (11) is arranged on one side of the pull rod (10), and a sliding groove (12) is arranged on the inner wall of the device body (1).
4. The intelligent voice data analysis and correction device as claimed in claim 1, wherein the cleaning unit comprises a cleaning brush (13) disposed on one side of the current plate (8), a hinged rod (16) is mounted on the lower surface of the device body (1), a bottom plate (14) is mounted on one side of the outer surface of the hinged rod (16), a dirt groove (15) is formed in the bottom plate (14), and a wheel groove (36) is formed in the bottom plate (14).
5. The intelligent voice data analyzing and correcting device according to claim 1, the protection unit comprises a rotary groove (17) arranged on one side of the device body (1), a rotating rod (18) is arranged in the rotating groove (17), one end of the rotating rod (18) is provided with a rotating gear (19), one side of the rotating gear (19) is engaged with a rack sliding plate (20), one end of the rack sliding plate (20) is provided with a push plate (21), an interface protective frame (22) is arranged on the front surface of the push plate (21), a protective frame groove (23) is arranged on the front surface of the device body (1), a sealing ring (24) is arranged on the inner wall of the interface protective frame (22), a recording port protective frame groove (25) is arranged on the front surface of the device body (1), the front surface of the push plate (21) is provided with an injector protection frame (26).
6. The intelligent voice data analyzing and correcting device as claimed in claim 1, wherein the driving unit comprises a lifting groove (27) formed in the upper surface of the device body (1), a lifting rod (28) is arranged inside the lifting groove (27), a first rack plate (29) is installed at one end of the lifting rod (28), a rotating tooth (30) is installed on one side of the first rack plate (29) in a meshed mode, a second rack plate (31) is installed on one side of the rotating tooth (30) in a meshed mode, a sliding block (32) is installed on one side of the second rack plate (31), a sliding groove (33) is formed in the inner wall of the device body (1), a sliding rod (34) is installed at one end of the second rack plate (31), and a moving wheel (35) is installed at the other end of the second rack plate (31).
7. The intelligent voice data analyzing and correcting device according to claim 6, wherein the moving wheels (35) are provided with wheel carriers on the outer surfaces thereof, and the number of the moving wheels (35) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123310872.2U CN217008645U (en) | 2021-12-27 | 2021-12-27 | Intelligent voice data analysis and correction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123310872.2U CN217008645U (en) | 2021-12-27 | 2021-12-27 | Intelligent voice data analysis and correction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217008645U true CN217008645U (en) | 2022-07-19 |
Family
ID=82386700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123310872.2U Expired - Fee Related CN217008645U (en) | 2021-12-27 | 2021-12-27 | Intelligent voice data analysis and correction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217008645U (en) |
-
2021
- 2021-12-27 CN CN202123310872.2U patent/CN217008645U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220719 |