CN206181313U - Many function combination earphone - Google Patents
Many function combination earphone Download PDFInfo
- Publication number
- CN206181313U CN206181313U CN201621033899.8U CN201621033899U CN206181313U CN 206181313 U CN206181313 U CN 206181313U CN 201621033899 U CN201621033899 U CN 201621033899U CN 206181313 U CN206181313 U CN 206181313U
- Authority
- CN
- China
- Prior art keywords
- daughter board
- earphone
- earplug
- daughter
- handset
- 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
Landscapes
- Telephone Set Structure (AREA)
Abstract
The utility model provides a many function combination earphone which includes: audio frequency owner plug, left earplug, auris dextra stopper and tapping plate, tapping plate comprises three daughter board swing joint, and three daughter board passes through being connected with audio frequency owner plug, left earplug, auris dextra stopper of audio line one -to -one, constitutes bottom machine, left parasite aircraft, right parasite aircraft respectively, be equipped with two above signal interface in the three daughter board on at least one daughter board for handshaking and switching between the daughter board, and at least one is equipped with auxiliary function module in bottom machine, left parasite aircraft, the right parasite aircraft, wherein three daughter board is piece formula shape, and the interconnection between the daughter board is analog audio line, microphone line, ground wire, R channel line and L channel line. The utility model discloses a design of connected mode with wired earphone, wireless earphone, charge / data line knot together, on guaranteeing original earphone function basis, expand a multiple application functions, saved raw and other materials and portable greatly.
Description
Technical field
This utility model is related to technical field of electronic products, especially a kind of multifunctional combination earphone.
Background technology
Traditional wire earphone is usually that audio jack (the such as line of typical round 4, USB/ lightning interfaces etc.) passes through tone frequency channel wire
Panel (including mike, line control machine is used to for actuation of keys to upload main frame) is connected to, left and right ear is further connected to as solid
Sound is answered, and constitutes a complete wired line control earphone.And bluetooth earphone receives generally by bluetooth transceiver and transmitting is penetrated
Frequency signal, is connected to audio process and is followed by mike and earplug for processing audio signal, and complete bluetooth earphone also includes
Battery and power management, general bluetooth earphone can be monaural or stereo.It is resistance to due to the excellent tonequality of traditional wire earphone
With, the advantages of inexpensive, it is widely used, simultaneously as the convenience of bluetooth earphone, it has also obtained widely should
With.Although this respectively has pluses and minuses due to both earphones, their basic function is similar to, but the occasion of application is different.
Often also need to carry patchcord for charging and data transfer additionally, due to portable electric appts Jing.If while carrying them
Three kinds again very inconvenient.
Utility model content
To solve above-mentioned technical problem, this utility model provides a kind of multifunctional combination earphone, setting by connected mode
Meter is combined together wired earphone, wireless headset, charging/data wire, on the basis of original ear-phone function is ensured, expands many
Application function is planted, raw material is greatlyd save and is easy to carry.
A kind of multifunctional combination earphone, it includes：The main plug of audio frequency, left earplug, right earplug and tapping plate, tapping plate is by three
Individual daughter board is movably connected to form, and three daughter boards are connected correspondingly by tone frequency channel wire with the main plug of audio frequency, left earplug, right earplug
Connect, respectively constitute bottom machine, left handset, right handset, at least one daughter board is provided with two or more signal in three daughter boards
Interface, for the signal exchange between daughter board and switching；And at least one it is provided with miscellaneous function in bottom machine, left handset, right handset
Module；Wherein three daughter boards are chip shape, and the interconnection between daughter board is analogue audio frequency line, microphone lines, ground wire, R channel line
With L channel line.
Preferably, if left handset is provided with supplemental functionality, and the supplemental functionality is bluetooth earphone, then
Bottom surface on left daughter board is provided with three electrodes L, R and G, is respectively connected to the left and right earplug drive circuit and ground wire of bluetooth earphone simultaneously
Electrode L is also connected to left earplug by tone frequency channel wire.
Preferably, if right handset is provided with mike, then the front of right daughter board is provided with three electrodes L, R and G, the back of the body
Face is provided with four electrodes L, R, G and M, and wherein electrode M is connected to the mike on right daughter board, and electrode R is connected to auris dextra by tone frequency channel wire
Plug.
Preferably, there are tetra- electrodes of L, R, G and M in the front of bottom plate, and four electrodes are direct by tone frequency channel wire
Or it is connected to the main plug of audio frequency indirectly.
Further, communicate inside homonymy electrode of each daughter board with as described above, and the homonymy electrode on different daughter boards
Position matches and is easy to alignment connection.
Further, three daughter boards are provided with the magnetic block or convex-concave structure of positive and negative cooperation, the electrode of any two daughter board
It is mutually aligned magnetic pole to suck to realize lap connection.
Further, left daughter board, the back side of bottom plate are provided with and have been equipped with four electrodes L, R, G and M.
Preferably, one or more coordination electrodes ID are provided between any two daughter board, for the non-sound between daughter board
The communication of frequency signal and identification of function.
Preferably, bottom machine, left handset or right handset are additionally provided with other supplemental functionalities, are independently using
Shi Shixian expanded functions.
Further, other supplemental functionalities include memorizer, read-write cell, audio codec, bluetooth unit,
Microprocessor, battery, input/output device, wire/wireless transceiver, GPS devices, touch feedback device, display, sensing
Device, driver, executor, TRT, photovoltaic cell, velometer, electronic compass, magnetometer, gyroscope, thermometer, humidity
Meter, barometer, sphygomanometer, antiperspirant juice sensor, sphygmometer, blood-glucose meter, vibrator, photometer, antenna, interface detection/transducer,
One or more in loudspeaker, earplug, mike, photographic head, tracking pulley/cunning ball, touch sensor, piezometer, LED.
The beneficial effects of the utility model are,
By the flexible connection of three daughter boards, each multifunctional combination earphone can pass through the replacement of other daughter boards, be lifted
Service life.It is four-dimensional by dissipating on the basis of flexible connection, by the separately or combined use of three daughter boards, coordinate auxiliary
The flexible design of functional module, not only realizes the multiplexing of the partial function device of wired and wireless headset, but also can be real
Now the function of charging/data wire and interface conversion, further expands even with supplemental functionality, is such as directed to blood glucose disease patient
Supplemental functionality is designed as into blood-glucose meter, supplemental functionality is designed as into electronic compass for mountaineering person, for race
Supplemental functionality is designed as velometer etc. by step fan, more multi-functional to realize this multifunctional combination earphone.
Description of the drawings
This utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is multifunctional combination earphone schematic diagram of the present utility model.
Fig. 2 a- Fig. 2 c are multifunctional combination earphone tapping plate connection diagrams of the present utility model.
Fig. 3 is three kinds of exemplary application maps that this utility model tapping plate is chip.
Specific embodiment
This utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Basic structure of the present utility model is only illustrated in a schematic way, therefore it only shows the composition relevant with this utility model.
As shown in figure 1, multifunctional combination earphone of the present utility model include the main plug of audio frequency (can be circular 4 line plug,
USB or lightning interface etc.), tone frequency channel wire (can be the electric wire of traditional only transmission simulated audio signal rank, or have
The electric wire of transmission data/charge level, or various combination), the main plug of audio frequency is connected to a tapping plate by tone frequency channel wire, and
Tapping plate is connected to left and right earplug by tone frequency channel wire.The dismountable daughter board composition of tapping plate at least 3, including bottom plate (B), it is left
Daughter board (L) and right daughter board (R), wherein bottom plate (B) are connected to the main plug of audio frequency, left daughter board (L) and right daughter board point by tone frequency channel wire
Left earplug and right earplug are not connected to by tone frequency channel wire.At least left earplug/tone frequency channel wire/left daughter board constitutes left handset, at least right earplug/
Tone frequency channel wire/left daughter board constitutes right handset, at least main plug of audio frequency, and tone frequency channel wire and middle daughter board constitute bottom machine.
On the bottom of tapping plate/left/right daughter board, at least including a standard or non-standard signaling interface, wherein at least one
Individual daughter board at least includes two signaling interfaces, for the signal exchange between each daughter board and switching, such as the signal of telecommunication by contact pin/
Jack electrode, convex-concave electrode, USB male and females, lightning male and female；Also at least include mechanical fixed structure on daughter board, such as convex-concave interlocks,
Positive and negative attracting etc. the mechanical interface of magnetic pole, for interfixing between daughter board key.Connected mode between bottom/left/right daughter board
Can be various combination, series-parallel, the string stacked type as shown in each subgraph in Fig. 2 a- Fig. 2 c, stacked and string data etc..Each
At least two electrode external connections of signaling interface on daughter board, for the connection between each daughter board and transmission simulation and/or number
Word audio signal.Such as transmission simulation left/right sound channel/microphone signal, or transmission digital audio and video signals are such as with I2S, USB
Agreement or self-defining digital audio protocol are exchanged with each other audio signal, or transmission non-audio data/control signal is (such as single
Line digital signal, multi-thread I2C, self-defined host-host protocol, in analogue audio frequency line transmitting data agreement).
Also include supplemental functionality in left and/or right handset and/or bottom machine, for further expanding combination earphone
Function.Supplemental functionality includes memorizer, read-write cell, audio codec, bluetooth unit, microprocessor, battery, defeated
Enter/output device, wire/wireless transceiver, GPS devices, touch feedback device, display, sensor, driver, executor,
TRT, photovoltaic cell, velometer, electronic compass, magnetometer, gyroscope, thermometer, drimeter, barometer, sphygomanometer,
Antiperspirant juice sensor, sphygmometer, blood-glucose meter, vibrator, photometer, antenna, interface detection/transducer, loudspeaker, earplug, mike,
One or more in photographic head, tracking pulley/cunning ball, touch sensor, piezometer, LED.Supplemental functionality can be
Any position of each handset, such as in daughter board, or in earplug, or on tone frequency channel wire, plug is medium.Wherein, bottom machine and it is left and
Or right handset can independently realize that function is realized in function or combination：Include realizing the institute needed for bluetooth earphone in left and/or right handset
Some elements (such as bluetooth transmitting-receiving, Audio Processing, battery etc.), so as to left or right handset is independent as a monophonic bluetooth ear
Machine is used, and further right or left handset independently can answer earphone and use or insert opposite side left/right as simple monophonic
Handset composition stereo double channel bluetooth earphone is used；Bottom machine can be with reference to connecing on the different main plug of audio frequency and bottom plate
Mouthful type realizes interface line, such as transfer from audio frequency round end to USB, USB to Fructus Mali pumilae lightning, or USB is to nonstandard contact pin/insert
Hole etc., for functions such as data exchange, chargings.
Further, the new application of the application proposition and extension thinking, concrete function is realized being capable of achieving by prior art,
It is not described in detail one by one again：Such as, there is a button at least one daughter board, for controlling volume, receive calls, and combination ear
Control of other functions on machine etc.；There is mike at least one daughter board and have sound inlet/seam；Or can also have a line traffic control plate,
On left or right tone frequency channel wire.
As shown in figure 3, the interconnection between daughter board shown here is analogue audio frequency line, and microphone lines M, ground wire G, R channel line
R, L channel line L；There are three electrode L/R/G bottom surface on left daughter board, is respectively connected to the left and right earplug drive circuit of bluetooth earphone
And ground wire is while L is also connected to left earplug by tone frequency channel wire；There are three electrode L/R/G in the front of right daughter board, and there are four electrodes at the back side
L/R/G/M, wherein M are connected to the mike on right daughter board, and R is then connected to right earplug by tone frequency channel wire；There is L/R/ in the front of bottom plate
While they are directly or indirectly connected to the main plug of audio frequency by tone frequency channel wire, (the round audio jack of four lines or USB are inserted tetra- electrodes of G/M
Head).And the electrode interior of the same name on each daughter board is communicated and the homonymy electrode position on different daughter board matches and is easy to alignment to connect
Connect.There is the magnetic block (or convex-concave structure) of positive and negative cooperation on daughter board, one of connected mode of such daughter board is left daughter board most
Upper strata, in centre, in the bottom, three plate electrodes are mutually aligned magnetic pole and suck to realize lap connection bottom plate right daughter board.According to
The combination by pulling down different daughter boards is needed, so as to realize different connection and function.Further, three daughter boards can
There is the electrode at the positive back side as right daughter board, so avoid the need for distinguishing the level of different daughter boards when three daughter boards are connected, side
Just connect.Further, there can also be one or more coordination electrodes ID between daughter board, for the logical of the non-audio signals between daughter board
News and identification of function.Without external, then the M lines being connected to thereon can be utilized to conduct to mike such as on left daughter board
The transmission of non-audio signals and detection line.
Above content is all that simulated audio signal is accessed from the main plug of audio frequency, used as extension thinking：The main plug of audio frequency is also
Can exchange with insertion main frame and transmit digital audio and video signals (such as with VDD, D-, D+, the GND of USB format, or other digital sounds
Transmission I2S of frequency form etc.), by the way that DAB is converted into into analog audio using digital audio codec on combination earphone
Earplug and mike are driven after frequency；According to digital audio codec on different daughter boards, the line between each daughter board can
Being whole transmission simulated audio signals (assuming codec on bottom plate), or part number/simulated audio signal (coding
On left daughter board, left bottom plate transmits DAB, left and right daughter board transmission analogue audio frequency to device).
Further, plug and/or the main plug plug of audio frequency between daughter board are detected at least one daughter board of multifunctional combination earphone
Detecting module, such as mechanical compression switch and/or electrical switch and/or analog/digital signal generation/identification/loaded circuit,
Or raw identification voltage etc. is produced by simple pullup/pulldown/divider resistance combination.Detecting module can detect/load daughter board
The characteristic signal of the characteristic signal of the tone frequency channel wire of interface or additional control line, the result of detection of detecting module can be used to know
The plug of small pin for the case plate is used for controlling the switch/selection of the functional device on earphone simultaneously, such as by a certain sound of bluetooth master chip
The output of road signal is set to high-impedance state etc..Characteristic signal can be dead level, high/low or a certain fixed value, or dynamic pulse
That is Serial No., or the just profound signal of the different frequency of the change of simulation, triangular wave etc..
Certainly, the communication between daughter board, can be by single-wire-protocol (OW, SPW) or multi-thread I2C or off-gauge simulation sums
Word communications protocol etc., can be communicated supplemented by other daughter boards based on a daughter board, or simple broadcast type communication；Detection line
Can share with tone frequency channel wire.
After above-mentioned art solutions are proposed, above-mentioned technical proposal can be implemented by existing method, specifically
Any implementation method be not the application key, the protection domain of the application is the several functions combination for proposing, to solve
Earphone uses single function in existing prior art, and the more and more various accessories for bringing of electronic product are disorderly and unsystematic, carry not
Just problem.
The control using method that above-mentioned technical proposal is related to, is briefly described as follows：
When two daughter boards are mutually inserted/extracted, it is mutually distinguishable by daughterboard interface detection, and daughter board is controlled according to result of detection
On audio-frequency function module and/or supplemental functionality switch/setting/selection etc.,
When left daughter board is detected inserts/extract bottom plate directly or indirectly through right daughter board, left daughter board prohibiting/enabling its
The part or all of function such as off/on of bluetooth earphone its L channel output driving left earplug, and/or prohibiting/enabling other
Supplemental functionality.
Be inserted directly into when left daughter board is only detected/when extracting right daughter board, left daughter board enables/forbids the right sound of its bluetooth earphone
Road output driving right earplug, and/or prohibiting/enabling other supplemental functionalities.
When left and right daughter board is connected, when left daughter board detects bottom plate and inserts/extract, left daughter board then prohibiting/enabling it is blue
The part or all of function of tooth earphone, such as off/on its left/right sound channel output driving left/right earplug, and/or forbid/make
Can other supplemental functionalities.
When right daughter board is connected with bottom plate, left daughter board detect with they one of insertion/extract when, left daughter board is then prohibited
Only/and enable the part or all of function of its bluetooth earphone, such as disconnect its left/right or connect its L channel output driving earplug；
And/or prohibiting/enabling other supplemental functionalities.
When three daughter boards or left/right daughter board are connected with bottom plate, combination earphone includes automatically or manually control starts realization
Wired (when the main plug of audio frequency inserts main frame) of the non-audio data between main frame or switched wireless, such as by combination earphone
Sensing data is uploaded, or by the function combinations of combination earphone upload or main frame to passing under combination earphone functional requirement,
When three daughter boards or left/right daughter board are connected with bottom plate, notify main frame on combination earphone battery charge and its
Its functional module is powered, such as notifying to arrange with upload information during analogue audio frequency plug strengthens main frame MIC lines driving force or number
Start USBotg during word audio jack and unlatching driving vdd line is set.
When three daughter boards or left/right daughter board are connected with bottom plate, manually or according to the survey of the functional module on combination earphone
Measure size of data to start/arrange/select the functional module on combination earphone, such as when battery electric quantity is low or accelerometer sensing
When device detects certain deliberate action, can startup power supply management module and notify insert main frame for combination earphone battery or its
Its module for power supply, or start the such as monitoring of sound/optical electrical etc. of other functional modules.
When three daughter boards or left/right daughter board are connected with bottom plate, when the main plug of audio frequency inserts main frame, when in wired earphone
Call/listening mode when, extract left daughter board or when left and right daughter board is extracted together, then bottom plate notifies mian engine changeover to bluetooth ear
Machine call mode, left daughter board automatically turns on bluetooth earphone and call/audition for realizing bluetooth earphone is connected with main frame.And work as left son
When plate reinserts bottom plate, then left daughter board is closed the part or all of function of bluetooth earphone and notifies mian engine changeover to wired earphone
Call/listening mode.
When audio frequency main plug insertion main frame, with bottom plate insert/extract for non-left/right daughter board miscellaneous equipment when,
When the external miscellaneous equipment of bottom plate detection, such as power supply or other external equipments or another main frame, control arranges/configuration bottom plate
Mode of operation, and notify/coordinate the automatically selecting of the such as USBotg patterns such as data exchange and charging direction of terminal device/
Arrange.
With it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, by above-mentioned description, related work people
Member can carry out various change and modification in the range of without departing from this utility model technological thought completely.This reality
The content being not limited to new technical scope in description, it is necessary to its technology is determined according to right
Property scope.
Claims (10)
1. a kind of multifunctional combination earphone, it is characterised in that include：The main plug of audio frequency, left earplug, right earplug and tapping plate, point
Fishplate bar is movably connected to form by three daughter boards, three daughter boards by tone frequency channel wire correspondingly with the main plug of audio frequency, left earplug, the right side
Earplug connect, respectively constitute bottom machine, left handset, right handset, in three daughter boards at least one daughter board be provided with two with
Upper signaling interface, for the signal exchange between daughter board and switching；And at least one it is provided with auxiliary in bottom machine, left handset, right handset
Help functional module；Wherein three daughter boards are chip shape, and the interconnection between daughter board is analogue audio frequency line, microphone lines, ground wire, the right side
Sound channel line and L channel line.
2. multifunctional combination earphone as claimed in claim 1, it is characterised in that set left handset and be provided with supplemental functionality,
And the supplemental functionality is bluetooth earphone, then the bottom surface on left daughter board is provided with three electrodes L, R and G, is respectively connected to bluetooth ear
Simultaneously electrode L is also connected to left earplug by tone frequency channel wire for the left and right earplug drive circuit of machine and ground wire.
3. multifunctional combination earphone as claimed in claim 1, it is characterised in that
If right handset is provided with mike, then the front of right daughter board is provided with three electrodes L, R and G, the back side be provided with four electrode L,
R, G and M, wherein electrode M are connected to the mike on right daughter board, and electrode R is connected to right earplug by tone frequency channel wire.
4. multifunctional combination earphone as claimed in claim 1, it is characterised in that
There are tetra- electrodes of L, R, G and M in the front of bottom plate, and four electrodes are directly or indirectly connected to audio frequency master and insert by tone frequency channel wire
Head.
5. the multifunctional combination earphone as described in any claim in claim 2,3 and 4, it is characterised in that each as described above
Daughter board is communicated inside the homonymy electrode with, and the homonymy electrode position on different daughter board matches and is easy to alignment connection.
6. the multifunctional combination earphone as described in any claim in claim 2,3 and 4, it is characterised in that three daughter boards
The magnetic block or convex-concave structure of positive and negative cooperation are provided with, the electrode of any two daughter board is mutually aligned magnetic pole and sucks to realize stacked
Connection.
7. the multifunctional combination earphone as described in any claim in claim 2 and 4, it is characterised in that left daughter board, bottom
The back side of plate is provided with and is equipped with four electrodes L, R, G and M.
8. multifunctional combination earphone as claimed in claim 1, it is characterised in that be provided with one or more between any two daughter board
Coordination electrode ID, the communication and identification of function for the non-audio signals between daughter board.
9. the multifunctional combination earphone as described in claim 1-4 any claim, it is characterised in that bottom machine, left handset
Or right handset is additionally provided with other supplemental functionalities, expanded function is realized when independently using.
10. the multifunctional combination earphone as described in claim 9 any claim, it is characterised in that other miscellaneous functions
Module includes memorizer, read-write cell, audio codec, bluetooth unit, microprocessor, battery, input/output device, has
Line/wireless transceiver, GPS devices, touch feedback device, display, sensor, driver, executor, TRT, photovoltaic
Battery, velometer, electronic compass, magnetometer, gyroscope, thermometer, drimeter, barometer, sphygomanometer, antiperspirant juice sensor, arteries and veins
Fight meter, blood-glucose meter, vibrator, photometer, antenna, interface detection/transducer, loudspeaker, earplug, mike, photographic head, tracking slide
One or more in wheel/sliding ball, touch sensor, piezometer, LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621033899.8U CN206181313U (en) | 2016-08-31 | 2016-08-31 | Many function combination earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621033899.8U CN206181313U (en) | 2016-08-31 | 2016-08-31 | Many function combination earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206181313U true CN206181313U (en) | 2017-05-17 |
Family
ID=58675249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621033899.8U Active CN206181313U (en) | 2016-08-31 | 2016-08-31 | Many function combination earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206181313U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110099320A (en) * | 2018-01-31 | 2019-08-06 | 华为技术有限公司 | Wireless headset, tone frequency channel wire and earphone |
-
2016
- 2016-08-31 CN CN201621033899.8U patent/CN206181313U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110099320A (en) * | 2018-01-31 | 2019-08-06 | 华为技术有限公司 | Wireless headset, tone frequency channel wire and earphone |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104185110B (en) | A kind of multifunctional headphone | |
| CN207518787U (en) | A kind of Bluetooth earphone equipment | |
| CN206061073U (en) | A kind of multifunctional combination earphone | |
| KR101745898B1 (en) | Bluetooth-Earphone available for wired type | |
| CN206042296U (en) | Many function combination earphone | |
| CN104159173A (en) | Earphone, earphone application method, earphone control method and device as well as mobile terminal | |
| CN107786917A (en) | A kind of multifunctional combination earphone | |
| CN106253012A (en) | A kind of transducer and the multi-functional charging tone frequency channel wire with this transducer | |
| CN206042295U (en) | Many function combination earphone | |
| CN206181313U (en) | Many function combination earphone | |
| TW201230754A (en) | Mobile phone | |
| CN205987282U (en) | Digit headset and headset system | |
| CN205992977U (en) | Earphone, expansion module and agent structure | |
| CN205987295U (en) | Earphone, extension module and major structure | |
| CN105491468B (en) | The modular headset of control panel and its control method | |
| CN106303829A (en) | Double nip head circuit and control method thereof | |
| CN209201274U (en) | A kind of bluetooth extension neck speaker | |
| CN205987296U (en) | Hybrid earphone, headphone and in -ear earphone | |
| CN204090100U (en) | With the headset control board of alarm set | |
| CN206077635U (en) | Earphone, expansion module and agent structure | |
| CN102594969A (en) | Mobile phone | |
| CN211606768U (en) | Bluetooth earphone | |
| CN210840009U (en) | Take wireless bluetooth headset charging seat of in-ear touch of portable function of charging | |
| CN201204648Y (en) | Wow pick-up head | |
| CN204014026U (en) | Audio transmission circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |