CN109143580B - Augmented reality glasses - Google Patents
Augmented reality glasses Download PDFInfo
- Publication number
- CN109143580B CN109143580B CN201810891181.XA CN201810891181A CN109143580B CN 109143580 B CN109143580 B CN 109143580B CN 201810891181 A CN201810891181 A CN 201810891181A CN 109143580 B CN109143580 B CN 109143580B
- Authority
- CN
- China
- Prior art keywords
- sound
- augmented reality
- cover plate
- glasses
- reality glasses
- 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.)
- Active
Links
- 239000011521 glass Substances 0.000 title claims abstract description 57
- 230000003190 augmentative effect Effects 0.000 title claims abstract description 56
- 230000008878 coupling Effects 0.000 claims abstract description 23
- 238000010168 coupling process Methods 0.000 claims abstract description 23
- 238000005859 coupling reaction Methods 0.000 claims abstract description 23
- 239000000178 monomer Substances 0.000 claims abstract description 12
- 239000000843 powder Substances 0.000 claims description 21
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 241000746998 Tragus Species 0.000 claims description 8
- 230000001755 vocal effect Effects 0.000 claims description 8
- 239000002808 molecular sieve Substances 0.000 claims description 6
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 6
- 230000003993 interaction Effects 0.000 abstract description 9
- 210000005069 ears Anatomy 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 8
- 230000001965 increasing effect Effects 0.000 description 7
- 210000003128 head Anatomy 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000010410 layer Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000000613 ear canal Anatomy 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0176—Head mounted characterised by mechanical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B2027/0178—Eyeglass type
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Eyeglasses (AREA)
Abstract
The embodiment of the invention relates to the field of augmented reality equipment, and discloses augmented reality glasses. The augmented reality glasses comprise glasses legs, glasses frames connected with the glasses legs, lenses mounted on the glasses frames, and sounding parts arranged on the glasses legs, wherein each sounding part comprises a front cover plate extending out of the glasses leg, a rear cover plate arranged opposite to the front cover plate and commonly enclosing to form an accommodating space, and sounding monomers arranged in the accommodating space, a sound guide front cavity is formed between each sounding monomer and the front cover plate, each sounding part further comprises a sounding hole for communicating the sound guide front cavity with the external environment, and when the intelligent glasses are worn on the head, the sounding holes are located at the ear screens of human ears. The augmented reality glasses provided by the invention can increase the coupling degree of the sound generating part and the human ear, does not influence the sound interaction between a device user and the outside, and reduces sound leakage.
Description
Technical Field
The embodiment of the invention relates to the field of augmented reality equipment, in particular to augmented reality glasses.
Background
Augmented reality technology AR (augmented reality) is a new technology for seamlessly integrating real world information and virtual world information, and is a new technology for applying virtual information to the real world and sensing the virtual information by human senses by simulating and overlaying entity information which is difficult to experience in a certain time space range of the real world through scientific technologies such as computers and the like so as to achieve sensory experience beyond reality, wherein the real environment and virtual objects are overlaid on the same picture or space in real time. The technology not only shows real world information, but also displays virtual information at the same time, and the two kinds of information are mutually supplemented and superposed. In visual augmented reality, a user can see the real world around it by using a head-mounted display to multiply and combine the real world with computer graphics. The augmented reality technology comprises new technologies and new means such as multimedia, three-dimensional modeling, real-time video display and control, multi-sensor fusion, real-time tracking and registration, scene fusion and the like, and the application of augmented reality is increasingly wider along with the improvement of the operational capability of portable electronic products. Currently, the main implementation of visual interaction in augmented reality technology is mainly performed by devices such as glasses or head-mounted displays, and the main implementation of auditory interaction is mainly performed by earphones or sound generating units mounted on the devices.
The inventor finds that at least the following problems exist in the prior art: the method for realizing the auditory interaction of the augmented reality equipment by using the earphone has the main defect that the auditory interaction of an equipment user and external sound is seriously influenced; the mode of realizing the auditory interaction with the sound production unit installed on the augmented reality equipment can avoid influencing the user to receive external sound, but the coupling degree of the sound production unit and the human ear is poor, and sound leakage is large. On the one hand, the sound quality of the sound heard by the user is poor; on the other hand, people other than the user of the device can easily hear the sound emitted by the device.
Disclosure of Invention
An object of an embodiment of the present invention is to provide augmented reality glasses that can reduce sound leakage while increasing the degree of coupling between a sound-generating portion and a human ear, without affecting interaction between a device user and external sounds.
In order to solve the above technical problem, an embodiment of the present invention provides augmented reality glasses, including:
mirror leg, the picture frame that links to each other with the mirror leg and install lens on the picture frame, augmented reality glasses are still including setting up vocal portion on the mirror leg, vocal portion include from the front shroud that the mirror leg extends, with the front shroud sets up relatively and encloses the back shroud that establishes formation accommodating space jointly, arranges in vocal monomer in the accommodating space, vocal monomer with form the sound conduction antetheca between the front shroud, vocal portion still include with the sound outlet of sound conduction antetheca and external environment intercommunication when augmented reality glasses are worn in the head, the sound outlet is located the tragus department of people's ear.
Compared with the prior art, the embodiment of the invention has the advantages that the sounding part is arranged on the glasses leg of the augmented reality glasses, and the sound outlet of the sounding part is positioned at the tragus of the human ear when the augmented reality glasses are worn on the head, so that the auditory interaction between a user and external sound is avoided being influenced due to the fact that the sounding part is directly contacted with the ear canal of the human ear, the coupling degree between the sounding part and the human ear is increased, the sound leakage is prevented from being larger due to the fact that the sound outlet is far away from the human ear (namely, the coupling degree between the sound outlet and the human ear is poorer), and the sound quality is prevented from being poor. Thereby reducing sound leakage of the sound generating part and enhancing sound reproduction tone quality of the augmented reality glasses; meanwhile, the phenomenon that people except the equipment user hear the sound emitted by the sound emitting part due to the fact that the distance between the sound emitting part and the user of the augmented reality glasses is too far is avoided, and therefore the privacy of sound reproduction of the augmented reality glasses is improved.
In addition, the one end that the front shroud kept away from the mirror leg is equipped with the mounting hole, the sound production monomer set up in the mounting hole.
In addition, the sound production portion still includes the upper cover plate, the mounting hole runs through the front shroud, the upper cover plate lid is established the mounting hole is in the opening that forms on the front shroud, the sound production monomer the upper cover plate with the front shroud encloses jointly and establishes the formation leading the sound front chamber. The mounting hole penetrates through the front cover plate, and the upper cover plate is covered with the opening formed by the mounting hole on the front cover plate, so that the front cover plate is not limited to an integral structure, and the front cover plate and the upper cover plate can be processed respectively in the manufacturing process of the front cover plate augmented reality glasses, and the front cover plate and the upper cover plate are simpler and more convenient.
In addition, the front cover plate is integrally formed with the temples. Integrated into one piece's front shroud has complete outward appearance, good falling performance of preventing with the mirror leg, has improved augmented reality glasses's reliability and stability.
In addition, the sound-producing part also comprises sound-absorbing powder, the sound-producing monomer, the front cover plate and the rear cover plate are jointly surrounded to form a coupling rear cavity, and the sound-absorbing powder is filled in the coupling rear cavity. The sound absorption powder is filled in the coupling back cavity, so that the virtual volume of the coupling back cavity can be increased, and the gas sound compliance of the coupling back cavity is improved, thereby improving the low-frequency performance and improving the tone quality.
In addition, be close to on the front shroud the free position of sound production is equipped with the barricade, the barricade is cut apart the coupling back chamber and form and be close to the powder filling chamber of mirror leg, sound absorption powder fill in the powder filling intracavity.
In addition, the sound absorption powder is an MFI structure molecular sieve.
In addition, the cross-sectional shape of the sound outlet hole is the same as the shape of the tragus of the human ear. The coupling degree of the sound-producing part and the ears of the user is further increased, and the comfort degree of the user using the augmented reality glasses is also improved.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is a schematic structural diagram of augmented reality glasses according to a first embodiment of the present invention when being worn on the head;
fig. 2 is a sectional structure view of a temple provided according to a first embodiment of the present invention;
FIG. 3 is an exploded view of a temple provided in accordance with a first embodiment of the present invention;
fig. 4 is a diagram of sound production effects of augmented reality glasses provided according to a first embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present invention in its various embodiments. However, the technical solution claimed in the present invention can be implemented without these technical details and various changes and modifications based on the following embodiments.
A first embodiment of the present invention relates to augmented reality glasses 100, and a specific structure thereof is shown in fig. 1 and 2.
Augmented reality glasses 100 include mirror leg 1, the picture frame 2 that links to each other with mirror leg 1 and install the lens (not shown in the figure) on picture frame 2, augmented reality glasses 100 is still including setting up the portion of making a sound 10 on mirror leg 1, the portion of making a sound 10 is including the front shroud 101 that extends from mirror leg 1, set up and enclose the back shroud 103 that forms accommodating space 102 with front shroud 101 relatively and jointly, place the sound production monomer 104 in accommodating space 102, form sound conduction antechamber 105 between sound production monomer 104 and the front shroud 101, the portion of making a sound 10 still includes the sound outlet 106 that communicates sound conduction antechamber 105 with external environment, when augmented reality glasses 100 were worn in the head, sound outlet 106 was located the tragus department of people's ear.
Compared with the prior art, the embodiment of the invention has the advantages that the sound-producing part 10 is arranged on the temple 1 of the augmented reality glasses 100, the sound-producing part 10 comprises the front cover plate 101 extending from the temple 1, the rear cover plate 103 arranged opposite to the front cover plate 101 and commonly enclosing to form the accommodating space 102, and the sound-producing single body 104 arranged in the accommodating space 102, the sound-guiding front cavity 105 is formed between the sound-producing single body 104 and the front cover plate 101, the sound-producing part 10 further comprises the sound-producing hole 106 communicating the sound-guiding front cavity 105 with the external environment, when the augmented reality glasses 100 are worn on the head, the sound-producing hole 106 is positioned at the tragus of the human ear, so that not only the auditory interaction between the user of the augmented reality glasses 100 and the external natural sound due to the direct contact between the sound-producing part 10 and the ear canal of the human ear is avoided, but also the coupling degree between the sound-producing part 10 and the human ear is increased, and the sound-producing hole 106 is ensured not to cause large sound leakage due to the long distance from the human ear (namely, the poor coupling degree with the human ear), the tone quality is prevented from being deteriorated. Thereby reducing the sound leakage of the sound emitting part 10 and enhancing the sound reproduction quality of the augmented reality glasses 100; meanwhile, it is also avoided that persons other than the device user hear the sound emitted from the sound emitting portion 10 due to the fact that the sound emitting portion 10 is too far away from the user of the augmented reality glasses 100, thereby improving the privacy of sound reproduction of the augmented reality glasses 100.
The implementation details of the augmented reality glasses 100 of the present embodiment are described in detail below, and the following description is only provided for the convenience of understanding, and is not necessary for implementing the present embodiment.
In the present embodiment, as shown in fig. 3, a mounting hole 1010 is provided at one end of the front cover 101 away from the temple 1, and the sound generating unit 104 is provided in the mounting hole 1010.
Preferably, the sound generating unit 10 further includes an upper cover 107, the mounting hole 1010 penetrates through the front cover 101, the upper cover 107 covers an opening formed in the front cover 101 by the mounting hole 1010, and the sound generating unit 104, the upper cover 107 and the front cover 101 together enclose the sound guiding front cavity 105. The mounting holes 1010 penetrate through the front cover 101, and the upper cover 107 covers the opening formed on the front cover 101 by the mounting holes 1010, so that the front cover 101 is not limited to be of an integral structure, and the front cover 101 and the upper cover 107 can be processed separately in the manufacturing process of the augmented reality glasses 100 of the front cover 101, thereby being simpler and more convenient. It is understood that the front cover plate 101 and the upper cover plate 107 may be integrally formed without affecting the technical effect of the present embodiment. In addition, in the present embodiment, the sound emitting unit 104 is mounted in the mounting hole 1010 adjacent to the rear cover plate 103.
In the present embodiment, the front cover 101 is integrally formed with the temple 1. The integrally formed front cover plate 101 and the glasses legs 1 have complete appearance and good anti-falling performance, and reliability and stability of the augmented reality glasses 100 are improved.
It should be mentioned that the sound-emitting portion 10 further includes a sound-absorbing powder 108, the sound-emitting unit 104, the front cover plate 101 and the rear cover plate 103 are enclosed together to form a coupling rear cavity 109, and the sound-absorbing powder 108 is filled in the coupling rear cavity 109. The sound absorption powder 108 is filled in the coupling back cavity 109, so that the virtual volume of the coupling back cavity 109 can be increased, and the gas acoustic compliance of the coupling back cavity 109 is improved, thereby improving the low-frequency performance and improving the tone quality.
It is understood that, in the present embodiment, a retaining wall (not shown) is provided on the front cover plate 101 at a position adjacent to the sound-generating unit 104, the retaining wall divides the powder filling chamber 1090 coupled to the rear chamber 109 and formed adjacent to the temple 1, and the sound-absorbing powder 108 is filled in the powder filling chamber 1090.
Specifically, the sound absorbing powder 108 is an MFI structure molecular sieve. The MFI structure molecular sieve can be placed in a small cavity due to small volume, and can solve the problem that the sound-absorbing powder 108 is difficult to package due to the small sound cavity of the sound-emitting part 10. In addition, the MFI structure molecular sieve also comprises framework external cations, namely a layer of macroporous structure with different properties and larger pore diameter is grown on the surface of the microporous structure which plays a role in adsorbing and desorbing air, on one hand, the influence on the microporous structure of the air inlet and outlet inner layer is small due to the larger pore diameter of the macroporous structure, and the improvement effect of the microporous structure of the inner layer on the low-frequency performance is ensured; on the other hand, the macroporous structure on the surface layer can adsorb moisture and organic matters in the air, so that the microporous structure with the adsorption and desorption functions in the microporous structure is protected from being blocked by the moisture and the organic matters, the failure of the molecular sieve is effectively prevented, and the performance stability of the sounding part 10 is improved.
It is to be noted that, in the present embodiment, the cross-sectional shape of the sound outlet hole 106 is the same as the shape of the tragus of the human ear. Further increasing the degree of coupling of the sound generating portion 10 to the human ear and also improving the comfort of the user in using the augmented reality glasses 100.
For ease of understanding, the following describes the sound production effect of the augmented reality glasses 100 in the present embodiment:
as shown in fig. 4, line a is the normalized binaural response of the augmented reality glasses 100 provided in the present embodiment, and line B is the normalized binaural response of the sounding structure in the related art.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.
Claims (8)
1. The utility model provides an augmented reality glasses, includes mirror leg, the picture frame that links to each other with the mirror leg and installs lens on the picture frame, a serial communication port, augmented reality glasses is still including setting up vocal portion on the mirror leg, vocal portion include certainly the front shroud that the mirror leg extends, with the front shroud sets up relatively and encloses the back shroud that forms accommodating space jointly, arranges in sound production monomer in the accommodating space, sound production monomer with form the sound conduction antechamber between the front shroud, vocal portion still includes with the sound outlet of sound conduction antechamber and external environment intercommunication augmented reality glasses wear when the head, sound outlet is located the tragus department of people's ear.
2. The augmented reality glasses of claim 1, wherein a mounting hole is formed in one end of the front cover plate, which is far away from the glasses legs, and the sound generating unit is arranged in the mounting hole.
3. The augmented reality glasses of claim 2, wherein the sound generating portion further comprises an upper cover plate, the mounting hole penetrates through the front cover plate, the upper cover plate covers an opening formed in the front cover plate by the mounting hole, and the sound generating unit, the upper cover plate and the front cover plate jointly enclose to form the sound guiding front cavity.
4. The augmented reality glasses of claim 1, wherein the front cover is integrally formed with the temple.
5. The augmented reality glasses of claim 1 wherein the sound-generating portion further comprises a sound-absorbing powder, the sound-generating unit, the front cover plate and the back cover plate together enclose a coupling back cavity, and the sound-absorbing powder is filled in the coupling back cavity.
6. The augmented reality glasses of claim 5 wherein a retaining wall is disposed on the front cover plate near the sounding monomer, the retaining wall divides the coupling back cavity and forms a powder filling cavity near the glasses legs, and the sound-absorbing powder is filled in the powder filling cavity.
7. The augmented reality eyewear of claim 6, wherein the sound absorbing powder is an MFI structure molecular sieve.
8. Augmented reality glasses according to claim 1, wherein the sound outlet holes have a cross-sectional shape that is the same as the shape of the tragus of a human ear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810891181.XA CN109143580B (en) | 2018-08-04 | 2018-08-04 | Augmented reality glasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810891181.XA CN109143580B (en) | 2018-08-04 | 2018-08-04 | Augmented reality glasses |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109143580A CN109143580A (en) | 2019-01-04 |
| CN109143580B true CN109143580B (en) | 2021-09-10 |
Family
ID=64791825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810891181.XA Active CN109143580B (en) | 2018-08-04 | 2018-08-04 | Augmented reality glasses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109143580B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110568633A (en) * | 2019-08-14 | 2019-12-13 | 歌尔股份有限公司 | Intelligent head-mounted equipment |
| EP4009665A4 (en) * | 2019-09-19 | 2022-09-28 | Shenzhen Shokz Co., Ltd. | Acoustic output device |
| CN110933548A (en) * | 2019-11-22 | 2020-03-27 | 歌尔股份有限公司 | Intelligent head-mounted equipment |
| CN113189778B (en) * | 2021-04-27 | 2023-12-01 | 歌尔股份有限公司 | Glasses leg structure, preparation method thereof and head-mounted display device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1720763A (en) * | 2002-07-26 | 2006-01-11 | 奥克利有限公司 | Wireless interactive headset |
| CN107005759A (en) * | 2014-12-24 | 2017-08-01 | 株式会社坦姆科日本 | Bone conduction earphone |
| CN207075083U (en) * | 2017-06-30 | 2018-03-06 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005151292A (en) * | 2003-11-18 | 2005-06-09 | Tdk Corp | Bone conduction speaker and glasses employing the same |
| WO2016129717A1 (en) * | 2015-02-11 | 2016-08-18 | 재단법인 다차원 스마트 아이티 융합시스템 연구단 | Wearable device using bone conduction |
| CN207457628U (en) * | 2017-06-03 | 2018-06-05 | 张健清 | A kind of Novel multimedia projection glasses |
-
2018
- 2018-08-04 CN CN201810891181.XA patent/CN109143580B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1720763A (en) * | 2002-07-26 | 2006-01-11 | 奥克利有限公司 | Wireless interactive headset |
| CN107005759A (en) * | 2014-12-24 | 2017-08-01 | 株式会社坦姆科日本 | Bone conduction earphone |
| CN207075083U (en) * | 2017-06-30 | 2018-03-06 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109143580A (en) | 2019-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109143580B (en) | Augmented reality glasses | |
| JP7208401B2 (en) | glasses | |
| US11240622B2 (en) | Mixed reality system with spatialized audio | |
| KR102514464B1 (en) | Virtual reality, augmented reality, and mixed reality systems with spatialized audio | |
| CN111918167B (en) | Intelligent wearable glasses | |
| CN208190866U (en) | Wearable stereo equipment | |
| CN206193360U (en) | Wear -type VR equipment | |
| CN205320245U (en) | Headphone | |
| WO2006029006A3 (en) | Method and apparatus for producing a phantom three-dimensional sound space with recorded sound | |
| US20190191248A1 (en) | Soundbar having single interchangeable mounting surface and multi-directional audio output | |
| US9060221B1 (en) | Safety helmet with speaker assembly | |
| US11902772B1 (en) | Own voice reinforcement using extra-aural speakers | |
| CN108377447B (en) | Portable wearable surround sound equipment | |
| CN217546230U (en) | Speaker module mounting structure and intelligent head-mounted device | |
| CN214507326U (en) | Sound production monomer packaging structure, sound-emitting mirror leg structure and head-mounted display device | |
| CN217767092U (en) | Glasses | |
| CN211826735U (en) | Interactive equipment is felt to intelligence body | |
| CN213186472U (en) | Stereo earphone | |
| CN218446257U (en) | Near-to-eye display glasses | |
| CN210835484U (en) | Wear intelligent audio equipment, wear smart machine and be used for augmented reality's glasses | |
| CN110691289B (en) | Wear intelligent audio equipment, wear smart machine and be used for augmented reality's glasses | |
| CN219697876U (en) | Sound cavity structure and wearable equipment | |
| US11402641B1 (en) | Acoustic unit for wearable device | |
| CN221149075U (en) | Intelligent head-mounted equipment | |
| CN221177893U (en) | Pronunciation cavity and OWS bluetooth headset with sound effect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |