CN112468946A - Pet hearing aid - Google Patents
Pet hearing aid Download PDFInfo
- Publication number
- CN112468946A CN112468946A CN202011350057.6A CN202011350057A CN112468946A CN 112468946 A CN112468946 A CN 112468946A CN 202011350057 A CN202011350057 A CN 202011350057A CN 112468946 A CN112468946 A CN 112468946A
- Authority
- CN
- China
- Prior art keywords
- hearing aid
- straight
- pet
- audiphone
- tooth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003780 insertion Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 11
- 210000005069 ears Anatomy 0.000 claims description 6
- 230000013011 mating Effects 0.000 claims 2
- 210000000056 organ Anatomy 0.000 description 5
- 241000282472 Canis lupus familiaris Species 0.000 description 4
- 241001465754 Metazoa Species 0.000 description 3
- 241000282326 Felis catus Species 0.000 description 2
- 210000004209 hair Anatomy 0.000 description 2
- 208000035143 Bacterial infection Diseases 0.000 description 1
- 206010014020 Ear pain Diseases 0.000 description 1
- 208000032041 Hearing impaired Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 208000022362 bacterial infectious disease Diseases 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 210000002939 cerumen Anatomy 0.000 description 1
- 210000000613 ear canal Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Housing For Livestock And Birds (AREA)
Abstract
The invention relates to the technical field of medical equipment, and discloses a pet hearing aid which comprises a first hearing aid part, a second hearing aid part and an adjusting mechanism, wherein straight tooth lines are arranged at one end of each of the first hearing aid part and the second hearing aid part, the adjusting mechanism comprises a mechanism body and an adjusting straight tooth rod, an arc-shaped groove correspondingly assembled with the first hearing aid part and the second hearing aid part is formed in the mechanism body, the adjusting straight tooth rod is embedded into the arc-shaped groove, one end of each of the first hearing aid part and the second hearing aid part, which is provided with the straight tooth lines, is embedded into the arc-shaped groove and connected with the adjusting straight tooth rod, and the radial size between the first hearing aid part and the second hearing aid part is adjusted through the adjusting straight tooth rod. The straight-tooth rod is adjusted to adjust the radial sizes of the first hearing aid part and the second hearing aid part, so that the pet body can be stably worn, and the hearing aid can be effectively prevented from being lost by connecting the hearing aid with the neck ring.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a pet hearing aid.
Background
The hearing aid can also be called as an auxiliary hearing aid hearing instrument, is a small sound amplification device, enlarges the originally inaudible sound, and utilizes the residual hearing of the hearing-impaired person to enable the sound to be transmitted to the brain auditory center to feel the sound. At present, hearing aids are mainly still in the stage of application to humans themselves, and animals or pets other than humans are still relatively seldom involved, and animals as well as humans slowly degrade in their hearing organs with age, or adversely affect the hearing organs due to environmental and accidents, and the like. For example, animals such as dogs and cats are easy to have seasonal inflammation in their ears, and for example, in dogs with long ears or dogs with thick hairs on their earwings, the ears are overheated due to excessive hairs and cerumen accumulation, which causes bacterial infection to affect the hearing, and thus, the external information cannot be normally obtained through hearing. The effects on pet hearing and the like also include ear canal secretions, ear wing swelling, ear pain, and the like.
In view of the above problems, when the damage of the hearing organ is caused, it is difficult to restore the hearing organ to normal, thereby causing inconvenience in hearing, and the hearing aid is often required to assist the hearing organ to normally acquire external information. However, there are still more problems in using hearing aids for pets, such as the hearing aids cannot be better fixed on the pet due to frequent running or jumping because the pet itself is active, and the hearing aids are easily lost during use.
Disclosure of Invention
The invention aims to provide a hearing aid for pets, and aims to solve the problems that in the prior art, the hearing of the pets is damaged, external information cannot be normally acquired, the hearing aid and the pets cannot be well fixed and worn when the hearing aid is worn by the pets, and the hearing aid is prevented from being lost.
The invention is realized in such a way that the pet hearing aid comprises a hearing aid first part, a hearing aid second part and an adjusting mechanism, wherein one end of each of the hearing aid first part and the hearing aid second part is provided with a straight tooth line, the adjusting mechanism comprises a mechanism body and an adjusting straight tooth rod, an arc-shaped groove correspondingly assembled with the hearing aid first part and the hearing aid second part is arranged in the mechanism body, the adjusting straight tooth rod is embedded into the arc-shaped groove, one end of each of the hearing aid first part and the hearing aid second part, which is provided with the straight tooth line, is embedded into the arc-shaped groove and is connected with the adjusting straight tooth rod, and the radial size between the hearing aid first part and the hearing aid second part is adjusted through the adjusting straight tooth rod.
Furthermore, the arc-shaped groove arranged on the mechanism body comprises a front part and a rear part which are respectively correspondingly assembled, the first part and the second part of the hearing aid are respectively provided with one end with straight tooth lines, and a jack used for assembling the adjusting straight tooth rod is arranged between the arc-shaped grooves of the front part and the rear part.
Furthermore, the lower end of the adjusting straight tooth rod is a straight tooth end with straight teeth, the straight tooth end is inserted into the jack and is positioned between the arc grooves of the front part and the rear part, and the straight tooth end is meshed and connected with one ends of the first hearing aid part and the second hearing aid part, which are respectively provided with straight tooth threads, in a meshing manner.
Furthermore, the jack is provided with an assembling hole close to the upper end face of the mechanism body.
Furthermore, a supporting block matched with the adjusting straight toothed bar is arranged at the position, corresponding to the assembling hole, of the adjusting straight toothed bar, and the adjusting straight toothed bar is installed in a matched mode through the supporting block and the inserting hole.
Furthermore, the first hearing aid part and the second hearing aid part are both in a four-molecule one-circle shape, and the ends, which are provided with straight tooth lines, of the first hearing aid part and the second hearing aid part are embedded into the arc-shaped grooves and are mutually matched and connected to form a semicircular shape.
Furthermore, the other ends of the first hearing aid part and the second hearing aid part are provided with connecting rod insertion holes, and inner walls of the connecting rod insertion holes are provided with internal threads.
Further, the connecting rod jack is provided with an adjusting connecting rod, and the adjusting connecting rod is provided with an external thread which is matched and meshed with the internal thread of the connecting rod jack and screwed in and out relative to the connecting rod jack.
Further, one end of the adjusting connecting rod is provided with a pinna adapter and an earplug, and the earplug is fixedly connected with one side of the pinna matching piece;
the pinna adapter and the earplug of the respective ends of the first and second hearing aid portions are oppositely disposed and wearable to the ears of the pet.
Further, the first hearing aid portion or the second hearing aid portion is connected with a neck ring through a connecting band, the neck ring is provided with an adjusting device and a containing device, one end of the neck ring is a female end, and the other end of the neck ring is a male end.
Compared with the prior art, this pet audiphone, including audiphone first portion, audiphone second portion and adjustment mechanism, the one end respectively of audiphone first portion and audiphone second portion has straight-tooth profile, adjustment mechanism includes the mechanism body and adjusts straight-tooth bar, this internal arc wall that corresponds the assembly with audiphone first portion and audiphone second portion that is equipped with of mechanism, adjust in the straight-tooth bar embedding arc wall, audiphone first portion and audiphone second portion have straight-tooth profile one end respectively and imbed in the arc wall with adjust straight-tooth bar and connect, through adjust straight-tooth bar and adjust between audiphone first portion and the audiphone second portion radial size. The straight-tooth rod is adjusted to adjust the radial sizes of the first hearing aid part and the second hearing aid part, so that the pet body can be stably worn, and the hearing aid can be effectively prevented from being lost by connecting the hearing aid with the neck ring.
Drawings
Fig. 1 is a schematic plan view of a hearing aid according to the invention;
FIG. 2 is a side schematic view of the adjustment mechanism of the present invention;
fig. 3 is a schematic view of the use of the hearing aid according to the invention.
In the figure: 01-hearing aid, 011-hearing aid first part, 012-hearing aid second part, 013-connecting rod jack, 014-straight tooth thread, 02-neck ring, 03-connecting band, 1-adjusting mechanism, 11-mechanism body, 111-arc groove, 112-assembling hole, 12-adjusting straight tooth rod, 121-supporting block, 122-jack, 123-straight tooth end, 2-pinna adapter, 3-earplug, 4-adjusting connecting rod, 5-adjusting device and 6-accommodating device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element referred to must be provided with a specific orientation, constructed and operated in a specific orientation, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and it will be understood that the specific meanings of the terms described above will be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 3, the preferred embodiment of the present invention is shown.
The invention provides a pet hearing aid 01, which comprises a first hearing aid part 011, a second hearing aid part 012 and an adjusting mechanism 1, wherein one end of each of the first hearing aid part 011 and the second hearing aid part 012 is provided with a straight tooth line 014, the adjusting mechanism 1 comprises a mechanism body 11 and an adjusting straight tooth rod 12, an arc-shaped groove 111 correspondingly assembled with the first hearing aid part 011 and the second hearing aid part 012 is arranged in the mechanism body 11, the adjusting straight tooth rod 12 is embedded in the arc-shaped groove 111, one end of each of the first hearing aid part 011 and the second hearing aid part 012 provided with the straight tooth line 014 is embedded in the arc-shaped groove 111 and connected with the adjusting straight tooth rod 12, and the radial size between the first hearing aid part 011 and the second hearing aid part 012 is adjusted through the adjusting straight tooth rod 12.
Specific embodiments are described below with respect to the corresponding schemes of the above figures:
first embodiment
Referring to fig. 1 and 2, in this embodiment, the hearing aid 01 is mainly used for domestic pets such as dogs and cats, and as a whole, the hearing aid is mainly composed of a first hearing aid portion 011 and a second hearing aid portion 012, wherein the first hearing aid portion 011 and the second hearing aid portion 012 are symmetrical to each other and are in the shape of a quarter circle, and when the two portions are connected together, they form a semicircular structure. The hearing aid further comprises an adjusting mechanism 1, wherein the adjusting mechanism 1 comprises a mechanism body 11 and an adjusting straight-tooth rod 12, an arc-shaped groove 111 correspondingly assembled with a first hearing aid portion 011 and a second hearing aid portion 012 is formed in the mechanism body 11, and a supporting end 123 with straight teeth at the lower end is embedded into the arc-shaped groove 111 by the adjusting straight-tooth rod 12. The adjustment mechanism 1 is used to connect the first hearing aid portion 011 and the second hearing aid portion 012, or, since the first hearing aid portion 011 and the second hearing aid portion 012 are both arc-shaped, the radial size thereof can be adjusted by the adjustment mechanism 1. First portion 011 of audiphone and audiphone second portion 012 and adjust the structure connection end and be equipped with straight-tooth profile 014, and one end all sets up the auricle adapter 2 and the earplug 3 that are applicable to the pet in addition.
Specifically, the first hearing aid portion 011 and the second hearing aid portion 012 are preferably cylindrical, and may be flat depending on the requirements of use. The adjusting mechanism 1 is internally provided with an arc-shaped groove 111 matched with the first hearing aid portion 011 and the second hearing aid portion 012, the radian of the arc-shaped groove 111 is set corresponding to the radians of the first hearing aid portion 011 and the second hearing aid portion 012, and simultaneously, the internal structure of the arc-shaped groove 111 is matched with the external shapes of the first hearing aid portion 011 and the second hearing aid portion 012, so that the first hearing aid portion 011 and the second hearing aid portion 012 can freely move in the arc-shaped groove 111.
The first hearing aid part 011 and the second hearing aid part 012 are respectively inserted into one end of the arc-shaped groove 111 and have straight tooth lines 014, and when the ends of the first hearing aid part 011 and the second hearing aid part 012, which respectively have the straight tooth lines 014, are inserted into the arc-shaped groove 111, the straight tooth lines 014 are mutually meshed and connected with the straight tooth end 123 of the adjusting straight tooth rod 12. Specifically, referring to fig. 2, the arc-shaped groove 111 of the mechanism body 11 includes a front portion and a rear portion, and the first hearing aid portion 011 and the second hearing aid portion 012 respectively have one end of the straight tooth profile 014, and the first hearing aid portion 011 and the second hearing aid portion 012 are respectively engaged and connected to two sides of the straight tooth end 123 of the adjustment straight tooth bar 12, so as to synchronously drive the first hearing aid portion 011 and the second hearing aid portion 012 when the adjustment straight tooth bar 12 is rotated. Therefore, the first hearing aid portion 011 and the second hearing aid portion 012 rotate in opposite directions, and the radial size of the first hearing aid portion and the second hearing aid portion is adjusted, so that pets of different sizes can be worn and used.
In practical applications, a plug hole 122 for fitting the adjustment straight-toothed bar 12 is formed between the arc-shaped grooves 111 of the front and rear portions, so that the adjustment straight-toothed bar 12 is snap-coupled with the first hearing aid portion 011 and the second hearing aid portion 012 by being inserted into the plug hole 122. The insertion hole 122 is provided with an assembly hole 112 near the upper end face of the mechanism body 11, the adjusting straight toothed bar 12 is provided with a supporting block 121 matched with the assembly hole 112 at a position corresponding to the assembly hole 112, the adjusting straight toothed bar 12 is installed in a matching manner with the insertion hole 122 through the supporting block 121, and the height and width of the assembly hole 112 are slightly larger than the external dimension of the supporting block 121, so that the adjusting straight toothed bar 12 can freely rotate.
Referring to fig. 1, the lower ends of the first and second hearing aid parts 011 and 012 are provided with auricle adapters 2 and earplugs 3, and specifically, the lower ends of the first and second hearing aid parts 011 and 012 are provided with link insertion holes 122013, the link insertion holes 122013 have internal threads, the link insertion holes 122013 are provided with adjusting links 4, and the adjusting links 4 have external threads that are engaged with the internal threads of the link insertion holes 122013 and are screwed into and out of the link insertion holes 122013. The pinna adapter 2 and the earplug 3 are fixed by the adjusting screw. Specifically, one end of the adjusting screw is movably connected with the connecting rod inserting hole 122013, the other end of the adjusting screw is fixedly connected with the auricle adapter 2, and the other side of the auricle adapter 2 is fixedly connected with the earplug 3. Since the auricle adapter 2 and the earplug 3 at one end of the first hearing aid portion 011 and the second hearing aid portion 012 are arranged oppositely and can be worn on two ears of a pet, the horizontal distance between the two earplugs 3 on the first hearing aid portion 011 and the second hearing aid portion 012 can be adjusted by rotating the adjusting link 4, so as to achieve the purpose of wearing on pets with different sizes.
Referring to fig. 3, the first hearing aid portion 011 or the second hearing aid portion 012 is connected with a collar 02 via a connecting band 03, the collar 02 has an adjusting device 5 and a receiving device 6, and one end of the collar 02 is a female end and the other end is a male end. The collar 02 is connected into a ring shape through mutual inserting connection of a female end and a male end, the adjusting device 5 is used for disassembling and assembling the collar 02, and the accommodating device 6 is used for accommodating or adjusting the length of the connecting belt 03. The neck ring 02 is worn on the neck of a pet and then connected with the hearing aid through the connecting band 03, so that the hearing aid is inevitably thrown and dropped when the pet runs or beats, and therefore, the hearing aid is connected to the neck ring 02, and the problem of loss of the hearing aid can be avoided.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Pet audiphone, its characterized in that, including audiphone first portion, audiphone second portion and adjustment mechanism, the one end respectively of audiphone first portion and audiphone second portion has straight-tooth profile, adjustment mechanism includes the mechanism body and adjusts straight rack bar, this internal arc wall that corresponds the assembly with audiphone first portion and audiphone second portion that is equipped with of mechanism, adjust in the straight-tooth bar embedding arc wall, audiphone first portion and audiphone second portion have straight-tooth profile one end respectively imbed in the arc wall with adjust the straight-tooth bar and connect, through adjust straight-tooth bar and adjust between audiphone first portion and the audiphone second portion radial size.
2. The hearing aid for pet of claim 1, wherein the arc-shaped groove of the mechanism body comprises a front part and a rear part, and the first part and the second part of the hearing aid which are respectively assembled correspondingly are respectively provided with one end with straight tooth lines, and a jack for assembling the adjusting straight tooth rod is arranged between the arc-shaped grooves of the front part and the rear part.
3. The hearing aid for pet of claim 2, wherein the lower end of the adjusting straight-tooth rod is a straight-tooth end having straight teeth, the straight-tooth end is inserted into the jack and is positioned between the arc grooves of the front part and the rear part, and the straight-tooth end is simultaneously in snap-fit connection with one end of the first hearing aid part and one end of the second hearing aid part, which are respectively provided with straight teeth and lines.
4. A pet hearing aid as claimed in claim 3, wherein the socket has a fitting hole near the upper end face of the mechanism body.
5. The hearing aid for pet as claimed in claim 4, wherein the adjusting straight toothed bar is provided with a supporting block corresponding to the fitting hole, and the adjusting straight toothed bar is matched with the insertion hole through the supporting block.
6. The pet hearing aid of claim 1, wherein the first hearing aid portion and the second hearing aid portion are both in a four-molecule one-circle shape, and the ends of the first hearing aid portion and the second hearing aid portion, which have straight teeth, are inserted into the arc-shaped grooves to be matched and connected with each other to form a semicircular shape.
7. A pet hearing aid as claimed in any one of claims 1 to 6, characterized in that the other end of the first and second hearing aid parts is provided with a rod insertion hole, the inner wall of which is provided with an internal thread.
8. A pet hearing aid as claimed in claim 7, wherein the rod socket is fitted with an adjustment rod having an external thread for mating engagement with the internal thread of the rod socket and being screwed in and out relative to the rod socket.
9. The pet hearing aid of claim 8, wherein the adjustment link has at one end a pinna adapter and an earplug that is fixedly attached to one side of a pinna mating member;
the pinna adapter and the earplug of the respective ends of the first and second hearing aid portions are oppositely disposed and wearable to the ears of the pet.
10. A pet hearing aid as claimed in claim 1, characterized in that the first hearing aid part or the second hearing aid part is connected to a collar by means of a connecting strap, the collar having adjustment means and receiving means, and the collar having a female end at one end and a male end at the other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011350057.6A CN112468946A (en) | 2020-11-26 | 2020-11-26 | Pet hearing aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011350057.6A CN112468946A (en) | 2020-11-26 | 2020-11-26 | Pet hearing aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112468946A true CN112468946A (en) | 2021-03-09 |
Family
ID=74807994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011350057.6A Pending CN112468946A (en) | 2020-11-26 | 2020-11-26 | Pet hearing aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112468946A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100166240A1 (en) * | 2008-12-27 | 2010-07-01 | Prior Richard W | Hearing apparatus for pets |
| US20120085297A1 (en) * | 2010-10-07 | 2012-04-12 | Gina Brown | Boom Box Dog Collar |
| CN203352762U (en) * | 2013-07-10 | 2013-12-18 | 潘军习 | Headphone with adjustable clamping force |
| US20140247951A1 (en) * | 2013-03-01 | 2014-09-04 | Lalkrushna Malaviya | Animal Headphone Apparatus |
| CN106707509A (en) * | 2016-12-13 | 2017-05-24 | 南京华讯方舟通信设备有限公司 | Adjustment device and main frame of headset |
| CN109803192A (en) * | 2019-02-19 | 2019-05-24 | 丽水学院 | A kind of anti-fracture earphone of English Listening Comprehension test |
| CN208969339U (en) * | 2018-09-14 | 2019-06-11 | 北京盈迪曼德科技有限公司 | One kind wearing regulating mechanism and helmet |
| CN111818417A (en) * | 2020-07-07 | 2020-10-23 | 湖南人文科技学院 | Auxiliary device of english listening comprehension training |
-
2020
- 2020-11-26 CN CN202011350057.6A patent/CN112468946A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100166240A1 (en) * | 2008-12-27 | 2010-07-01 | Prior Richard W | Hearing apparatus for pets |
| US20120085297A1 (en) * | 2010-10-07 | 2012-04-12 | Gina Brown | Boom Box Dog Collar |
| US20140247951A1 (en) * | 2013-03-01 | 2014-09-04 | Lalkrushna Malaviya | Animal Headphone Apparatus |
| CN203352762U (en) * | 2013-07-10 | 2013-12-18 | 潘军习 | Headphone with adjustable clamping force |
| CN106707509A (en) * | 2016-12-13 | 2017-05-24 | 南京华讯方舟通信设备有限公司 | Adjustment device and main frame of headset |
| CN208969339U (en) * | 2018-09-14 | 2019-06-11 | 北京盈迪曼德科技有限公司 | One kind wearing regulating mechanism and helmet |
| CN109803192A (en) * | 2019-02-19 | 2019-05-24 | 丽水学院 | A kind of anti-fracture earphone of English Listening Comprehension test |
| CN111818417A (en) * | 2020-07-07 | 2020-10-23 | 湖南人文科技学院 | Auxiliary device of english listening comprehension training |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210309 |
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| RJ01 | Rejection of invention patent application after publication |