CN109451402A - A kind of bone conduction vibrator - Google Patents
A kind of bone conduction vibrator Download PDFInfo
- Publication number
- CN109451402A CN109451402A CN201811610320.3A CN201811610320A CN109451402A CN 109451402 A CN109451402 A CN 109451402A CN 201811610320 A CN201811610320 A CN 201811610320A CN 109451402 A CN109451402 A CN 109451402A
- Authority
- CN
- China
- Prior art keywords
- vibrating reed
- plastic parts
- high pitch
- umbrella shape
- fixedly installed
- 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
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 31
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 79
- 239000011521 glass Substances 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000004568 cement Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 8
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002889 sympathetic effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1091—Details not provided for in groups H04R1/1008 - H04R1/1083
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The present invention relates to a kind of bone conduction vibrators, including U glasss and U glass holder ring, U glass holder ring upper end outer rim is fixedly installed bass vibrating reed, step is provided on the inside of U glasss of upper ends, magnet is fixedly installed in U glasss of internal backplanes, voice coil is provided at magnet outer rim, washer is fixedly installed above magnet, there are fixed interval (FI)s between voice coil and washer, high pitch vibrating reed is provided at U glasss of step, connecting plate is provided among high pitch vibrating reed, umbrella shape plastic parts is fixedly installed below high pitch vibrating reed, umbrella shape plastic parts is fixedly connected close to washer one side with voice coil, umbrella shape plastic parts upper surface has protruded upward central spindle, high pitch vibrating reed and umbrella shape plastic parts are fixedly installed, it is located above connecting plate in central spindle and is additionally provided with plastic tube, plastic tube is fixedly connected with bass vibrating reed far from high pitch vibrating reed one end, it is solid that central spindle stretches out bass vibrating reed upper end Surely it is provided with fan-shaped plastic parts, single-sided circuit board is provided on umbrella shape plastic parts, voice coil is electrically connected with single-sided circuit board.
Description
Technical field
The present invention relates to speaker technology fields, more specifically to a kind of bone conduction vibrator.
Background technique
Loudspeaker is a kind of energy transducer for electric signal being changed into acoustical signal, the shadow of the performance superiority and inferiority of loudspeaker to sound quality
Sound is very big, and loudspeaker is a most weak device in stereo set, and for acoustics, it is one most heavy again
The component wanted, loudspeaker it is many kinds of, and price differs greatly, and audio electric energy is made by electromagnetism, piezoelectricity or electrostatic effect
Its cone or diaphragm vibration simultaneously generate resonance (sympathetic response) with the air of surrounding and make a sound, and low-grade plastic loudspeaker box is because of its cabinet list
It is thin, can not overcome resonance, no sound quality can be sayed and (also have the designed plastic loudspeaker box in part will be far better than wooden acoustic box inferior)；
Wood cabinet reduces the dye of sound caused by cabinet resonance, and sound quality is generally better than plastic loudspeaker box, and usual multimedia loudspeaker box is all double
The design of unit two divided-frequency, a lesser loudspeaker are responsible for the output of Hi-Mid, and another biggish loudspeaker be responsible in it is low
The output of sound；
Bone conduction earphone is a kind of sounding device in the audible devices such as loudspeaker, however existing bone conduction earphone
It is, in order to be adapted to the head dummy of different user, a fan-shaped plastic parts to be needed to be bonded on the bone being attached to beside ear,
It needs to push to the inside of bone conduction vibrator in fitting, for traditional bone conduction vibrator while pushing, internal sound chamber is internal
The position of washer and voice coil is relatively close, but centainly influences whether sound quality when sound chamber changes.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a kind of bone conduction vibrator.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of bone conduction vibrator, including U glasss and U glass holder ring are constructed, U glass holder ring is that cylinder-shaped and upper end outer rim is fixedly installed
There is bass vibrating reed, step is provided on the inside of the U glasss of tubbiness types and upper open end for opening upwards, is consolidated in U glasss of internal backplanes
Surely it is provided with magnet, voice coil is provided at magnet outer rim, is fixedly installed washer above magnet, is existed between voice coil and washer solid
Fixed gap, gap are sound chamber, are provided with high pitch vibrating reed at U glasss of step, connecting plate, high pitch are provided among high pitch vibrating reed
Umbrella shape plastic parts is fixedly installed below vibrating reed, umbrella shape plastic parts is fixedly connected close to washer one side with voice coil, umbrella shape plastic cement
Part upper surface has protruded upward central spindle, is provided on connecting plate and passes through first with the matched first through hole of central spindle, high pitch vibrating reed
The cooperation of the central spindle of through-hole and umbrella shape plastic parts is fixedly installed on umbrella shape plastic parts, is located above connecting plate in central spindle and is also set up
There is plastic tube, plastic tube is fixedly connected with bass vibrating reed far from high pitch vibrating reed one end, and it is solid that central spindle stretches out bass vibrating reed upper end
Surely it is provided with fan-shaped plastic parts, is arranged fluted on umbrella shape plastic parts, single-sided circuit board, umbrella shape plastic cement are fixedly installed in groove
Part upper surface is additionally provided with square hole far from groove one end, and voice coil is electrically connected by square hole with single-sided circuit board, and single-sided circuit board is to U
It is provided with OK line outside glass holder ring and is electrically connected with OK line.
Further, U glass holder ring is connect with bass vibrating reed by laser welding, bass vibrating reed, high pitch vibrating reed
Several dispensing holes are provided with close to plastic tube both ends of the surface, and by carrying out dispensing in dispensing hole for bass vibrating reed, plastic cement
Circle and high pitch vibrating reed are fixed, and high pitch vibrating reed is provided with several dispensing holes with contact portion at U glasss of step and passes through
It carries out dispensing in several dispensing holes high pitch vibrating reed is fixed at the step of U glass holder ring, U glasss and magnet are fixed by dispensing
Connection, disk is fixedly connected with washer by dispensing, voice coil is fixedly connected with umbellate form plastic parts by dispensing, fan-shaped plastic parts and
Central spindle is fixedly connected by glue.
Further, umbellate form plastic parts and high pitch vibrating reed junction be provided with connecting plate boss of the same size,
Convenient for increasing bond area in assembling dispensing, increase fastness and toughness.
Further, high pitch vibrating reed material is for 304 micro- magnetic high tenacity stainless steels and with a thickness of 0.1MM, bass vibration
Piece is helical structure, has certain elasticity, and bass vibrating reed material is 301 high hardness high toughness magnetic stainless steels and thickness
For 0.15MM.
Further, U glass holder ring material is magnetism-free stainless steel.
Further, the through-hole for installing OK line is provided on bass vibrating reed.
The beneficial effects of the present invention are: the present invention by setting bass vibrating reed, and by bass vibrating reed and U glass holder ring
It is fixedly connected, when the high pitch vibrating reed being fixedly connected at U glasss of steps is by the downward pressure of fan-shaped plastic parts, fan-shaped plastic parts
Push the central spindle on umbrella shape plastic parts to move down, umbrella shape plastic parts simultaneously by bass vibrating reed and high pitch vibrating reed by elastic force to bottom
It moves, and drives U glasss to move down, at the same time, the magnet and magnet that fixed voice coil and U bottom of a cup portion are fixed below umbrella shape plastic parts
Interval between the washer of top is always consistent, i.e. sound chamber is always consistent, that is, sound chamber is protected when pushing fan-shaped plastic parts
Constant solid sound quality is held to remain unchanged.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below in conjunction with attached drawing and reality
Applying example, the invention will be further described, and the accompanying drawings in the following description is only section Example of the invention, for this field
For those of ordinary skill, without creative efforts, it can also be obtained according to these attached drawings other accompanying drawings:
Fig. 1 is a kind of front section view of bone conduction vibrator provided by the invention；
Fig. 2 is the structural schematic diagram of washer in a kind of bone conduction vibrator provided by the invention；
Fig. 3 is the structural schematic diagram of voice coil in a kind of bone conduction vibrator provided by the invention；
Fig. 4 is the structural schematic diagram of magnet in a kind of bone conduction vibrator provided by the invention；
Fig. 5 is the top view of umbrella shape plastic parts in a kind of bone conduction vibrator provided by the invention；
Fig. 6 is the main view of umbrella shape plastic parts in a kind of bone conduction vibrator provided by the invention；
Fig. 7 is the structural schematic diagram of U glass holder ring in a kind of bone conduction vibrator provided by the invention；
Fig. 8 is U glasss in a kind of bone conduction vibrator provided by the invention of structural schematic diagram；
Fig. 9 is the structural schematic diagram of plastic tube in a kind of bone conduction vibrator provided by the invention；
Figure 10 is the top view of bass vibrating reed in a kind of bone conduction vibrator provided by the invention；
Figure 11 is a kind of structural schematic diagram of bone conduction vibrator middle fan shape plastic parts provided by the invention；
Figure 12 is a kind of top view of bone conduction vibrator Hi-Mid vibrating reed provided by the invention；
Figure 13 is the structural schematic diagram of single-sided circuit board in a kind of bone conduction vibrator provided by the invention.
In figure: 1- washer；2-OK line；3- voice coil；4- magnet；5- umbrella shape plastic parts；501- central spindle；502- boss；6-U glasss
Lantern ring；7-U glasss；701- step；8- plastic tube；9- bass vibrating reed；10- sector plastic parts；11- high pitch vibrating reed；1101- connects
Fishplate bar；1102- first through hole；12- single-sided circuit board.
Specific embodiment
In order to keep the purposes, technical schemes and advantages of the embodiment of the present invention clearer, implement below in conjunction with the present invention
Technical solution in example carries out clear, complete description, it is clear that and described embodiment is section Example of the invention, and
It is not all of embodiment.Based on the embodiment of the present invention, those of ordinary skill in the art are not before making the creative labor
Every other embodiment obtained is put, protection scope of the present invention is belonged to.
A kind of bone conduction vibrator, including U cup 7 and U glass holder ring 6, U glass holder ring 6 are that cylinder-shaped and upper end outer rim is fixedly installed
There is bass vibrating reed 9, U cup 7 is to be provided with step 701,7 inner bottom of U cup on the inside of the tubbiness type of opening upwards and upper open end
It is fixedly installed magnet 4 on plate, voice coil 3 is provided at 4 outer rim of magnet, washer 1, voice coil 3 and China are fixedly installed above magnet 4
There are fixed interval (FI) between department 1, gap is sound chamber, is provided with high pitch vibrating reed 11, high pitch vibrating reed 11 at the step 701 of U cup 7
Centre is provided with connecting plate 1101, umbrella shape plastic parts 5 is fixedly installed below high pitch vibrating reed 11, umbrella shape plastic parts 5 is close to China
It takes charge of 1 one side to be fixedly connected with voice coil 3,5 upper surface of umbrella shape plastic parts has protruded upward central spindle 501, is provided on connecting plate 1101
With the matched first through hole 1102 of central spindle 501, high pitch vibrating reed 11 passes through the central spindle of first through hole 1102 and umbrella shape plastic parts 5
501 cooperation is fixedly installed on umbrella shape plastic parts 5, is located above connecting plate 1101 in central spindle 501 and is additionally provided with plastic tube 8,
Plastic tube 8 is fixedly connected with bass vibrating reed 9 far from 11 one end of high pitch vibrating reed, and central spindle 501 is stretched out 9 upper end of bass vibrating reed and fixed
It is provided with fan-shaped plastic parts 10, is arranged fluted on umbrella shape plastic parts 5, single-sided circuit board 12, umbrella shape are fixedly installed in groove
5 upper surface of plastic parts is additionally provided with square hole far from groove one end, and voice coil is electrically connected by square hole with single-sided circuit board 12, single side electricity
Road plate 12 is provided with OK line 2 to outside U glass holder ring 6 and is electrically connected with OK line 2, and the present invention passes through setting bass vibrating reed 9, and will be low
Sound vibrating reed 9 is fixedly connected with U glass holder ring 6, and the high pitch vibrating reed 11 at the step 701 for being fixedly connected on U cup 7 is moulded by sector
When the downward pressure of glue part 10, fan-shaped plastic parts 10 pushes the central spindle 501 on umbrella shape plastic parts 5 to move down, and umbrella shape plastic parts 5 is simultaneously
By bass vibrating reed 9 and high pitch vibrating reed 11 by elastic force to bottom offset, and U cup 7 is driven to move down, at the same time, umbrella shape plastic parts 5
Interval between the washer 1 for 4 top of magnet 4 and magnet that the fixed voice coil 3 in lower section and 7 bottom of U cup are fixed remains one
It causes, i.e. sound chamber is always consistent, that is, sound chamber remains unchanged solid sound quality and remains unchanged when pushing sector plastic parts 10.
U glass holder ring 6 is connect with bass vibrating reed 9 by laser welding, and bass vibrating reed 9, high pitch vibrating reed 11 are close to modeling
8 both ends of the surface of cushion rubber are provided with several dispensing holes, and by carrying out dispensing in dispensing hole for bass vibrating reed 9,8 and of plastic tube
High pitch vibrating reed 11 is fixed, and contact portion is provided with several dispensing holes simultaneously at the step 701 of high pitch vibrating reed 11 and U cup 7
High pitch vibrating reed 11 is fixed at the step 701 of U glass holder ring 6 by carrying out dispensing in several dispensing holes, U cup 7 and magnet 4
It is fixedly connected by dispensing, disk 4 is fixedly connected with washer 1 by dispensing, voice coil 3 is fixed with umbellate form plastic parts 5 by dispensing
Connection, fan-shaped plastic parts 10 are fixedly connected with central spindle 501 by glue.
Umbellate form plastic parts 5 and 11 junction of high pitch vibrating reed be provided with the boss 502 of the same size of connecting plate 1001, just
In increasing bond area in assembling dispensing, increase fastness and toughness.
For 11 material of high pitch vibrating reed for 304 micro- magnetic high tenacity stainless steels and with a thickness of 0.1MM, bass vibrating reed 9 is spiral
Shape structure, have certain elasticity, 9 material of bass vibrating reed be 301 high hardness high toughness magnetic stainless steels and with a thickness of
0.15MM。
6 material of U glass holder ring is magnetism-free stainless steel.
It is provided with the through-hole 91 for installing OK line 2 on bass vibrating reed 9, by the way that through-hole 91 is arranged, facilitates OK line 2 from low
It is passed through outside U glass holder ring in sound vibrating reed 9.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (6)
1. a kind of bone conduction vibrator, which is characterized in that including U glasss and U glass holder ring, the U glass holder ring is outside cylinder-shaped and upper end
Edge is fixedly installed bass vibrating reed, is provided with step on the inside of the described U glasss tubbiness type and upper open end for opening upwards, institute
It states and is fixedly installed magnet in U glasss of internal backplanes, voice coil is provided at the magnet outer rim, is fixedly installed above the magnet
Washer, there are fixed interval (FI) between the voice coil and the washer, the gap is sound chamber, is provided with high pitch at U glasss of step
Vibrating reed is provided with connecting plate among the high pitch vibrating reed, is fixedly installed umbrella shape plastic parts below high pitch vibrating reed, described
Umbrella shape plastic parts is fixedly connected close to the washer one side with the voice coil, and umbrella shape plastic parts upper surface has protruded upward central spindle,
It is provided on the connecting plate and passes through first through hole and umbrella shape plastic parts with the matched first through hole of central spindle, the high pitch vibrating reed
The cooperation of central spindle be fixedly installed on umbrella shape plastic parts, be located above the connecting plate in the central spindle and be additionally provided with plastic cement
Circle, the plastic tube are fixedly connected with the bass vibrating reed far from high pitch vibrating reed one end, and the central spindle stretches out bass vibration
Movable plate upper end is fixedly installed fan-shaped plastic parts, is arranged fluted on the umbrella shape plastic parts, is fixedly installed in the groove
Single-sided circuit board, umbrella shape plastic parts upper surface are additionally provided with square hole far from groove one end, and the voice coil passes through square hole and list
Face circuit board electrical connection, single-sided circuit board are provided with OK line to outside the U glass holder ring and are electrically connected with OK line.
2. a kind of bone conduction vibrator according to claim 1, which is characterized in that the U glass holder ring and the bass vibrate
Piece is connected by laser welding, and the bass vibrating reed, high pitch vibrating reed are provided with several close to the plastic tube both ends of the surface
Dispensing hole, and bass vibrating reed, plastic tube and high pitch vibrating reed are fixed by carrying out dispensing in dispensing hole, the height
Contact portion is provided with several dispensing holes and by carrying out dispensing in several dispensing holes at sound vibrating reed and U glasss of the step
High pitch vibrating reed is fixed at the step of U glass holder ring, described U glasss be fixedly connected with the magnet by dispensing, the disk
It is fixedly connected with the washer by dispensing, the voice coil is fixedly connected with the umbellate form plastic parts by dispensing, the sector
Plastic parts is fixedly connected with the central spindle by glue.
3. a kind of bone conduction vibrator according to claim 1, which is characterized in that the umbellate form plastic parts and the high pitch shake
Movable plate junction, which is provided with, to be increased with connecting plate boss of the same size convenient for increasing bond area in assembling dispensing
Fastness and toughness.
4. a kind of bone conduction vibrator according to claim 1, which is characterized in that the high pitch vibrating reed material is 304 micro-
Magnetic high tenacity stainless steel and with a thickness of 0.1MM, the bass vibrating reed is helical structure, has certain elasticity, described low
Sound vibrating reed material is for 301 high hardness high toughness magnetic stainless steels and with a thickness of 0.15MM.
5. a kind of bone conduction vibrator according to claim 1, which is characterized in that the U glass holder ring material is non-magnetic rustproof
Steel.
6. a kind of bone conduction vibrator according to claim 1, which is characterized in that be provided with and be used on the bass vibrating reed
The through-hole of OK line is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811610320.3A CN109451402A (en) | 2018-12-27 | 2018-12-27 | A kind of bone conduction vibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811610320.3A CN109451402A (en) | 2018-12-27 | 2018-12-27 | A kind of bone conduction vibrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109451402A true CN109451402A (en) | 2019-03-08 |
Family
ID=65538234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811610320.3A Pending CN109451402A (en) | 2018-12-27 | 2018-12-27 | A kind of bone conduction vibrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109451402A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111163394A (en) * | 2019-12-30 | 2020-05-15 | 歌尔科技有限公司 | Bone conduction acoustic device |
| WO2020238708A1 (en) * | 2019-05-29 | 2020-12-03 | 朱达云 | Bone conduction vibrator and bone conduction hearing device |
| CN114007161A (en) * | 2021-11-16 | 2022-02-01 | 杭州声联智能科技有限公司 | Bone conduction vibrator fixing member and bone conduction vibrator fixing method |
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|---|---|---|---|---|
| KR20100097869A (en) * | 2009-02-27 | 2010-09-06 | 팜쉬주식회사 | Speaker unit for bone conduction headset |
| JP3192587U (en) * | 2014-06-11 | 2014-08-21 | 惠陽東美音響制品有限公司 | Multi-voice coil coaxial sound source speaker |
| US20160014485A1 (en) * | 2014-07-09 | 2016-01-14 | Huiyang Dongmei Audio Products Co., Ltd. | Coaxial audio speaker using single audio source |
| CN105848065A (en) * | 2016-05-31 | 2016-08-10 | 歌尔声学股份有限公司 | Loudspeaker |
| CN205987314U (en) * | 2016-08-22 | 2017-02-22 | 深圳市景雄科技有限公司 | 18 inches full coaxial horn frequently and 18 inches complete coaxial audio amplifiers frequently |
| CN209120466U (en) * | 2018-12-27 | 2019-07-16 | 杨爱英 | A kind of bone conduction vibrator |
-
2018
- 2018-12-27 CN CN201811610320.3A patent/CN109451402A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100097869A (en) * | 2009-02-27 | 2010-09-06 | 팜쉬주식회사 | Speaker unit for bone conduction headset |
| JP3192587U (en) * | 2014-06-11 | 2014-08-21 | 惠陽東美音響制品有限公司 | Multi-voice coil coaxial sound source speaker |
| US20160014485A1 (en) * | 2014-07-09 | 2016-01-14 | Huiyang Dongmei Audio Products Co., Ltd. | Coaxial audio speaker using single audio source |
| CN105848065A (en) * | 2016-05-31 | 2016-08-10 | 歌尔声学股份有限公司 | Loudspeaker |
| CN205987314U (en) * | 2016-08-22 | 2017-02-22 | 深圳市景雄科技有限公司 | 18 inches full coaxial horn frequently and 18 inches complete coaxial audio amplifiers frequently |
| CN209120466U (en) * | 2018-12-27 | 2019-07-16 | 杨爱英 | A kind of bone conduction vibrator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020238708A1 (en) * | 2019-05-29 | 2020-12-03 | 朱达云 | Bone conduction vibrator and bone conduction hearing device |
| CN111163394A (en) * | 2019-12-30 | 2020-05-15 | 歌尔科技有限公司 | Bone conduction acoustic device |
| CN114007161A (en) * | 2021-11-16 | 2022-02-01 | 杭州声联智能科技有限公司 | Bone conduction vibrator fixing member and bone conduction vibrator fixing method |
| CN114007161B (en) * | 2021-11-16 | 2024-02-13 | 杭州声联智能科技有限公司 | Bone conduction oscillator fixing piece and bone conduction oscillator fixing method |
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