CN110166918A - A kind of hearing aid and volume adjusting method being adjusted by rotation volume - Google Patents
A kind of hearing aid and volume adjusting method being adjusted by rotation volume Download PDFInfo
- Publication number
- CN110166918A CN110166918A CN201910366612.5A CN201910366612A CN110166918A CN 110166918 A CN110166918 A CN 110166918A CN 201910366612 A CN201910366612 A CN 201910366612A CN 110166918 A CN110166918 A CN 110166918A
- Authority
- CN
- China
- Prior art keywords
- volume
- hearing aid
- knob
- rotation
- shell
- 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
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
- H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Mechanical Control Devices (AREA)
Abstract
The present invention is suitable for hearing ancillary technique field, provide a kind of hearing aid and volume adjusting method for being adjusted by rotation volume, hearing aid includes earphone, earphone includes shell, setting MCU and potentiometer in shell, shell is provided with knob set casing, knob set casing is arranged the rotary shaft of a knob, rotary shaft has cross protrusion, cross protrusion rotation connection volume adjuster, volume adjuster includes rotating part and fixed part, rotating part is connect with cross male cooperation, fixed part is provided with solder joint, one end of solder joint is electrically connected with potentiometer, the other end is electrically connected with rotating part.The present invention rotates knob when in use, knob drives rotating part rotation by the cross protrusion in rotary shaft, the resistance of volume adjuster is set to change, resistance variations are converted to voltage change signal by potentiometer, voltage change signal is transmitted to MCU, MCU adjusts the volume of hearing aid according to voltage change signal.Compact of the present invention, beauty, facilitate gerontal patient to operate.
Description
Technical field
The invention belongs to hearing ancillary technique field more particularly to a kind of hearing aids for being adjusted by rotation volume and volume tune
Section method.
Background technique
Hearing aid is a miniature loudspeaker, and the sound that can't hear originally is expanded, and recycles the remnants for the person that listens to barrier
Hearing enables sound to be sent to brain auditory center, to feel sound.
Existing hearing aid is used to adjust volume in the additional key of earphone surface configuration, when in use, by pressing
Pressure or touch key-press mode come achieve the effect that adjust volume.
But since hearing aid increasingly minimizes, volume button also needs the smaller and smaller of design, is not easy to hearing patient
Especially gerontal patient operates.In addition, also influencing the overall aesthetic degree of hearing aid in the additional key of hearing aid surface configuration.
Summary of the invention
The embodiment of the present invention provides a kind of hearing aid and volume adjusting method for being adjusted by rotation volume, it is intended to solve existing
The problem of hearing aid volume adjustment inconvenience.
The embodiments of the present invention are implemented as follows, and a kind of hearing aid being adjusted by rotation volume, the hearing aid includes ear
Machine；
The earphone includes the first shell for constituting earphone fuselage and the second shell for constituting earphone head, the first shell
There is a cavity between body and the second shell, mainboard is fixedly installed in the cavity, the mainboard is provided with MCU and current potential
Meter；
One end of the first shell is fixedly installed knob set casing, and the knob set casing is arranged the rotation of a knob
Axis, one end of the rotary shaft have cross protrusion, and the cross protrusion rotation is connected with volume adjuster；
The volume adjuster includes rotating part and fixed part, and the rotating part has to be connected with the cross male cooperation
The cross groove connect, the fixed part are provided with multiple solder joints on one side, and one end of the solder joint is electrically connected with the potentiometer
It connects, the other end is electrically connected with the rotating part；
The knob set casing is provided with fixed column, and the fixed part is provided with limiting groove, the limiting groove clamping
The fixed column, the knob set casing are connect by the fixed column with the first shell.
Further, the rotating shaft surface offers card slot, and circlip is arranged in the card slot, and the circlip is connected in institute
It states between knob set casing and the card slot.
Further, the first limited block is arranged in the rotary shaft, and the second limited block is arranged in the knob set casing,
Second limited block limits the rotation angle of first limited block as 0-175 degree.
Further, the surface of the knob is provided with antiskid groove.
Further, one end of the fixed column is provided with the first rectangular preiection, and the limiting groove is rectangular recess,
The rectangular recess is clamped first rectangular preiection.
Further, the length direction along the fixed column is provided with the second rectangular preiection and trapezoidal protrusion, and described
One shell is provided with the slot to match with second rectangular preiection and the trapezoidal protrusion, and the fixed column is plugged in described
In slot.
Further, the knob set casing includes truncated cone-shaped shell, described biggish one end of truncated cone-shaped housing diameter
It is bonded with the first shell, the lesser one end of diameter is bonded with the knob.
Further, the current potential is calculated as linear taper potentiometer.
Further, the hearing aid further includes dynamic iron loudspeaker, and the dynamic iron loudspeaker are electrically connected with the mainboard.
The embodiment of the present invention also provides the volume adjusting method of above-mentioned hearing aid, and the volume adjusting method includes:
Knob is rotated, knob drives rotating part to rotate, makes the electricity of volume adjuster by the cross protrusion in rotary shaft
Resistance changes；
Resistance variations are converted to voltage change signal by potentiometer, voltage change signal are transmitted to MCU, MCU is according to electricity
The volume of buckling Signal Regulation hearing aid.
The hearing aid compact provided in an embodiment of the present invention for being adjusted by rotation volume, beauty, by being arranged in earphone
On knob adjust volume, facilitate hearing patient even gerontal patient operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the hearing aid for being adjusted by rotation volume that the prior art provides；
Fig. 2 is the assembling structure schematic diagram of knob and knob set casing provided in an embodiment of the present invention；
Fig. 3 is the assembling structure schematic diagram of knob provided in an embodiment of the present invention, knob set casing and volume adjuster；
Fig. 4 is the structural schematic diagram of knob provided in an embodiment of the present invention, knob set casing and volume adjuster；
Fig. 5 is another structural schematic diagram of knob provided in an embodiment of the present invention, knob set casing and volume adjuster；
Fig. 6 is the sectional view of fixed column provided in an embodiment of the present invention；
Fig. 7 is the part of devices connection schematic diagram of the hearing aid provided in an embodiment of the present invention for being adjusted by rotation volume.
Figure label indicates:
1- first shell, 2- second shell, 3- mainboard, 4-MCU, 5- potentiometer, 6- rotation set casing, 601- fixed column,
The first rectangular preiection of 6011-, the second rectangular preiection of 6012-, the trapezoidal protrusion of 6013-, the second limited block of 602-, 7- knob,
701- rotary shaft, 7011- card slot, the first limited block of 7012-, 702- cross protrusion, 703- antiskid groove, 8- volume adjustment
Device, 801- rotating part, 8011- cross groove, 802- fixed part, 8021- solder joint, 8022- limiting groove, 9- circlip, 10- are dynamic
Iron loudspeaker, 11- battery, 12- earplug.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It is the structural schematic diagram of the hearing aid provided in an embodiment of the present invention for being adjusted by rotation volume, the hearing aid referring to Fig. 1
Device includes earphone, and earphone includes the first shell 1 for constituting earphone fuselage and the second shell 2 for constituting earphone head, first shell 1
There is a cavity between second shell 2, mainboard 3 is fixedly installed in cavity, mainboard 3 is provided with MCU4 and potentiometer 5.
The other function device of hearing aid, such as Mike, amplifier, receiver are additionally provided on mainboard 3, in second shell
The dynamic iron loudspeaker 10 of setting export sound on 2, and dynamic iron loudspeaker 10 are electrically connected with mainboard 3, set outside dynamic iron loudspeaker 10, in second shell 2
Set earplug 12.In addition, battery 11 is arranged in first shell 1, battery 11 is each device power supply in hearing aid, potentiometer 5
Linear taper potentiometer can be used.
One end of first shell 1 is fixedly installed knob set casing 6, and knob set casing 6 is arranged the rotary shaft of a knob 7
701, one end of rotary shaft 701 has cross protrusion 702, and 702 rotation of cross protrusion is connected with volume adjuster 8.
It referring to fig. 2, is the assembling structure schematic diagram of knob provided in an embodiment of the present invention and knob set casing, in earphone tail
Portion, first shell 1 one end be fixedly connected with knob set casing 6, knob set casing 6 is arranged a knob 7, and knob 7 has disc
Structure, disc-shaped structure surface are provided with antiskid groove 703, for promoting frictional force when rotation knob.In disc-shaped structure
Center is connected with rotary shaft 701, and one end of rotary shaft 701 extends to knob set casing 6 from the one side grafting of knob set casing 6
Another side and be pierced by, and herein end setting cross protrusion 702.
It referring to fig. 4, is knob provided in an embodiment of the present invention, the structural schematic diagram of knob set casing and volume adjuster,
In order to promote 7 stable connection of knob set casing 6 and knob, rotary shaft 701 is prevented to be axially moveable, on 701 surface of rotary shaft
Card slot 7011 is opened up, circlip 9 is arranged in card slot 7011, and circlip 9 is connected between knob set casing 6 and card slot 7011.
Referring to fig. 2 and Fig. 5, the assembling structure schematic diagram of knob and knob set casing respectively provided in an embodiment of the present invention
With another structural schematic diagram of knob provided in an embodiment of the present invention, knob set casing and volume adjuster, volume adjuster 8 is wrapped
Rotating part 801 and fixed part 802 are included, rotating part 801 has the cross groove 8011 being cooperatively connected with cross protrusion 702,
Fixed part 802 includes disc fixed plate and rectangular variable resistance, and disc fixed plate and rectangular variable resistance fix fitting,
Inside electrical connection, disc fixed plate are provided with multiple solder joints 8021 on one side, and one end and the potentiometer 5 of solder joint 8021 are electrically connected
It connects, the other end is electrically connected with rotating part 801, and rectangular variable resistance is with rotating part 801 by changing relative rotation angle to change
Become the resistance value connected.
It is the part of devices connection signal of the hearing aid provided in an embodiment of the present invention for being adjusted by rotation volume referring to Fig. 7
Figure, volume adjuster 8 are variable resistance, change resistance value size by rotating part 801 and being mutually rotatable for fixed part 802, rotation
Angle correspond to different resistance value sizes, export different resistance signals by the solder joint on fixed part 802, potentiometer 5 receives
Resistance signal is simultaneously converted to voltage signal by resistance signal, voltage signal is then transmitted to MCU4 again, MCU4 is according to voltage value
Variation adjust volume, and pass through dynamic iron loudspeaker 10 and export sound.
Referring to fig. 4 and Fig. 5, show for the structure of knob provided in an embodiment of the present invention, knob set casing and volume adjuster
It is intended to, in one embodiment of the invention, the first limited block 7012, the setting of knob set casing 6 second is arranged in rotary shaft 701
Limited block 602, the second limited block 602 limit the rotation angle of the first limited block 7012 as 0-175 degree, and setting first limits
Position block 602 and the second limited block 7012 are convenient for volume control for the rotation angle of knob 7 to be limited in certain section
System.
Knob set casing 6 is provided with fixed column 601, and fixed part 802 is provided with limiting groove 8022, and limiting groove 8022 blocks
Fixed column 601 is connect, knob set casing 6 is connect by fixed column 6 with first shell 1.
Volume adjuster 8 is fixed in first shell 1 by knob set casing 6 by fixed column 601, prevents volume adjuster
8 fixed part 802 is rotated together with rotating part 801, promotes stability.Further, referring to figs. 5 and 6, wherein Fig. 6 is this
The sectional view for the fixed column that inventive embodiments provide, is provided with the first rectangular preiection 6011 in one end of fixed column 6, meanwhile, Gu
The limiting groove 8022 for determining portion 802 is set as the rectangular recess to match with the size of the first rectangular preiection 6011, fixed part 802
It is connected at the first rectangular preiection 6011 of fixed column 6 by the rectangular recess.
In addition, the second square is arranged in the length direction along fixed column 6 in order to be bonded knob set casing 6 and first shell 1
Shape protrusion 6012 and trapezoidal raised 6013, meanwhile, it is provided with and the second rectangular preiection 6012 and trapezoidal convex in 1 inner wall of first shell
The slot that 6013 shape and size match is played, knob set casing 6 passes through the second rectangular preiection 6012 and trapezoidal raised 6013
It is fixedly plugged in the slot, so that knob set casing 6 be made to be bonded with first shell 1, knob set casing 6 is avoided to be screwed
7 drive and rotate together with.
In order to promote hand to the sense of touch of knob 7, the accurate clamping knob 7 of finger is set to rotate, by knob set casing 6
Shell is set as truncated cone-shaped, the vertical shell setting of fixed column 601, the truncated cone-shaped shell there is circular cross-section and one end diameter compared with
Greatly, other end diameter is smaller, and the one end being relatively large in diameter is bonded with first shell 1, first shell 1 the joint place diameter also with
Its is identical, and does smoothing processing in joint place.The lesser one end of truncated cone-shaped housing diameter is bonded with knob 7, has disc
The diameter of the knob 7 of structure is identical as the diameter of truncated cone-shaped shell joint place, and does smoothing processing in joint place.It is arranged with this,
So that can obviously feel the diameter of knob set casing 6 on knob set casing 6 when fingerhold knob 7 and knob set casing 6
Variation, thus the position of positioning knob 7.
The embodiment of the present invention also provides the volume adjusting method that the hearing aid of volume is adjusted by rotation using this, comprising: rotation
Button is rotated, knob drives rotating part to rotate, the resistance of volume adjuster is made to change by the cross protrusion in rotary shaft.
When rotating knob 7, knob 7 successively drives rotary shaft 701 and cross protrusion 702 to rotate, and cross protrusion 702 is matched
Connection cross groove 8011 is closed to drive rotating part 801 to rotate, and then changes the opposite of rotating part 801 and fixed part 802
Angle makes the resistance of volume adjuster 8 change.
Resistance variations are converted to voltage change signal by potentiometer, voltage change signal are transmitted to MCU, MCU is according to electricity
The volume of buckling Signal Regulation hearing aid.
Resistance variations signal is transmitted to the potentiometer on mainboard 3 by solder joint 8021 by the fixed part 802 of volume adjuster 8
5, resistance variations signal is converted to voltage change signal by potentiometer 5, and voltage change signal is transmitted to and is connected electrically
MCU4, MCU4 adjust the output volume for the dynamic iron loudspeaker 10 being connected electrically according to voltage change signal, to realize hearing aid
Volume adjust.
In conclusion the hearing aid provided in an embodiment of the present invention for being adjusted by rotation volume, including earphone, earphone include structure
At the first shell of earphone fuselage and the second shell on composition earphone head, have between first shell and second shell
Chamber, cavity is interior to be fixedly installed mainboard, and mainboard is provided with MCU and potentiometer；One end of first shell is fixedly installed knob and fixes
Shell, knob set casing are arranged the rotary shaft of a knob, and one end of rotary shaft has cross protrusion, and the rotation of cross protrusion connects
It is connected to volume adjuster；Volume adjuster includes rotating part and fixed part, and rotating part has to be connect with cross male cooperation
Cross groove, fixed part are provided with multiple solder joints on one side, and one end of solder joint is electrically connected with potentiometer, the other end and rotating part
Electrical connection；Knob set casing is provided with fixed column, and fixed part is provided with limiting groove, and limiting groove connects and fixes column.The present invention
When in use, knob is rotated, knob drives rotating part to rotate, makes the electricity of volume adjuster by the cross protrusion in rotary shaft
Resistance changes；Resistance variations are converted to voltage change signal by potentiometer, and voltage change signal is transmitted to MCU, MCU according to
The volume of voltage change signal adjusting hearing aid.The hearing aid volume provided in an embodiment of the present invention for being adjusted by rotation volume
It is small and exquisite, beautiful, volume is adjusted by the knob being arranged on earphone, facilitates hearing patient even gerontal patient's operation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of hearing aid for being adjusted by rotation volume, which is characterized in that the hearing aid includes earphone；
The earphone include constitute earphone fuselage first shell and constitute earphone head second shell, the first shell and
There is a cavity between the second shell, mainboard is fixedly installed in the cavity, the mainboard is provided with MCU and potentiometer；
One end of the first shell is fixedly installed knob set casing, and the knob set casing is arranged the rotary shaft of a knob,
One end of the rotary shaft has cross protrusion, and the cross protrusion rotation is connected with volume adjuster；
The volume adjuster includes rotating part and fixed part, and the rotating part has to be connect with the cross male cooperation
Cross groove, the fixed part are provided with multiple solder joints on one side, and one end of the solder joint is electrically connected with the potentiometer, separately
One end is electrically connected with the rotating part；
The knob set casing is provided with fixed column, and the fixed part is provided with limiting groove, described in the limiting groove clamping
Fixed column, the knob set casing are connect by the fixed column with the first shell.
2. being adjusted by rotation the hearing aid of volume as described in claim 1, which is characterized in that the rotating shaft surface offers
Circlip is arranged in card slot, the card slot, and the circlip is connected between the knob set casing and the card slot.
3. being adjusted by rotation the hearing aid of volume as described in claim 1, which is characterized in that first limit of rotary shaft setting
The second limited block is arranged in position block, the knob set casing, and second limited block limits first limited block
Rotation angle is 0-175 degree.
4. being adjusted by rotation the hearing aid of volume as described in claim 1, which is characterized in that the surface of the knob is provided with
Antiskid groove.
5. being adjusted by rotation the hearing aid of volume as described in claim 1, which is characterized in that one end of the fixed column is arranged
There is the first rectangular preiection, the limiting groove is rectangular recess, and the rectangular recess is clamped first rectangular preiection.
6. being adjusted by rotation the hearing aid of volume as claimed in claim 5, which is characterized in that along the length side of the fixed column
To being provided with the second rectangular preiection and trapezoidal protrusion, the first shell is provided with and second rectangular preiection and described trapezoidal
The slot that protrusion matches, the fixed column are plugged in the slot.
7. being adjusted by rotation the hearing aid of volume as described in claim 1, which is characterized in that the knob set casing includes circle
Platform shape shell, described biggish one end of truncated cone-shaped housing diameter are bonded with the first shell, the lesser one end of diameter with it is described
Knob fitting.
8. being adjusted by rotation the hearing aid of volume as described in claim 1, which is characterized in that the current potential is calculated as linear taper
Potentiometer.
9. being adjusted by rotation the hearing aid of volume as described in claim 1, which is characterized in that the hearing aid further includes dynamic iron
Loudspeaker, the dynamic iron loudspeaker are electrically connected with the mainboard.
10. a kind of volume adjusting method of hearing aid, which is characterized in that the hearing aid is described in any one of claim 1-9
The hearing aid for being adjusted by rotation volume, the volume adjusting method includes:
Knob is rotated, knob drives rotating part to rotate, sends out the resistance of volume adjuster by the cross protrusion in rotary shaft
Changing；
Resistance variations are converted to voltage change signal by potentiometer, voltage change signal are transmitted to MCU, MCU becomes according to voltage
Change the volume of Signal Regulation hearing aid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910366612.5A CN110166918A (en) | 2019-05-05 | 2019-05-05 | A kind of hearing aid and volume adjusting method being adjusted by rotation volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910366612.5A CN110166918A (en) | 2019-05-05 | 2019-05-05 | A kind of hearing aid and volume adjusting method being adjusted by rotation volume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110166918A true CN110166918A (en) | 2019-08-23 |
Family
ID=67633270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910366612.5A Pending CN110166918A (en) | 2019-05-05 | 2019-05-05 | A kind of hearing aid and volume adjusting method being adjusted by rotation volume |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110166918A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7555135B1 (en) * | 2008-02-08 | 2009-06-30 | Harb Mitchell A | Tool for hearing aid adjustment |
| CN105007559A (en) * | 2015-08-12 | 2015-10-28 | 陈清华 | Knob structure for adjusting volume of hearing aid |
| US20160127818A1 (en) * | 2014-11-04 | 2016-05-05 | Asius Technologies, Llc. | In-ear hearing device and broadcast streaming system |
| CN205647907U (en) * | 2016-05-27 | 2016-10-12 | 陈海澄 | Adjustable volume earphone |
| CN207283811U (en) * | 2017-11-01 | 2018-04-27 | 徐少尉 | Universal hearing aids |
| CN207910982U (en) * | 2018-03-20 | 2018-09-25 | 广西钦州福晟电子有限公司 | Earpiece volume adjusts potentiometer |
-
2019
- 2019-05-05 CN CN201910366612.5A patent/CN110166918A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7555135B1 (en) * | 2008-02-08 | 2009-06-30 | Harb Mitchell A | Tool for hearing aid adjustment |
| US20160127818A1 (en) * | 2014-11-04 | 2016-05-05 | Asius Technologies, Llc. | In-ear hearing device and broadcast streaming system |
| CN105007559A (en) * | 2015-08-12 | 2015-10-28 | 陈清华 | Knob structure for adjusting volume of hearing aid |
| CN205647907U (en) * | 2016-05-27 | 2016-10-12 | 陈海澄 | Adjustable volume earphone |
| CN207283811U (en) * | 2017-11-01 | 2018-04-27 | 徐少尉 | Universal hearing aids |
| CN207910982U (en) * | 2018-03-20 | 2018-09-25 | 广西钦州福晟电子有限公司 | Earpiece volume adjusts potentiometer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11297410B2 (en) | Earbud stability anchor feature | |
| WO2020038474A1 (en) | Speaker | |
| CN105187996B (en) | Earphone | |
| US20080298606A1 (en) | Wireless digital audio player | |
| WO2015109002A2 (en) | Hearing assistance system | |
| CA1241428A (en) | Hearing aid to be worn behind the ear | |
| CN206728251U (en) | Osteoacusis earmuff earphone | |
| WO2018072469A1 (en) | Coil-iron earphone | |
| US8737649B2 (en) | Bone conduction device with a user interface | |
| CN110166918A (en) | A kind of hearing aid and volume adjusting method being adjusted by rotation volume | |
| WO2008125015A1 (en) | A variable angle insert-ear earphone apparatus | |
| CN106899909A (en) | Osteoacusis earmuff earphone | |
| CN201157623Y (en) | Auricular point treating type telephone earphone | |
| CN106060697B (en) | Knob rod-pulling type earphone fine tuning structure and earphone | |
| CN110944261B (en) | Earphone sound effect control method and headset | |
| CN207369240U (en) | A kind of ear-shield type and In-Ear integration earphone | |
| CN208707886U (en) | In-Ear Headphones | |
| EP3169084B1 (en) | Hearing device with a battery drawer | |
| CN214315606U (en) | Bone conduction hearing aid with voice communication function | |
| CN112055281B (en) | Bone conduction sound production device | |
| CN205160743U (en) | Multi -functional osteoacusis bluetooth headset | |
| CN207612387U (en) | A kind of rotatable headphone of earmuff shell based on physiological parameter design | |
| CN209419803U (en) | A kind of bone conduction earphone | |
| CN216930320U (en) | Embeddable hearing aid | |
| CN105843031A (en) | Voice time report table in ear channel |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190823 |
|
| RJ01 | Rejection of invention patent application after publication |