CN106101890A - A kind of cassette mechanism structure of earphone - Google Patents
A kind of cassette mechanism structure of earphone Download PDFInfo
- Publication number
- CN106101890A CN106101890A CN201610426790.9A CN201610426790A CN106101890A CN 106101890 A CN106101890 A CN 106101890A CN 201610426790 A CN201610426790 A CN 201610426790A CN 106101890 A CN106101890 A CN 106101890A
- Authority
- CN
- China
- Prior art keywords
- module
- battery
- earphone
- radio
- frequency module
- 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
- 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1025—Accumulators or arrangements for charging
-
- 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
- H04R1/1083—Reduction of ambient noise
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses the cassette mechanism structure of a kind of earphone, include battery and movement, feature is that described movement includes radio-frequency module, battery module, amplifier module, audio-frequency module and charging module, it is electrically connected to each other between these five modules, and electrically connect with battery, by cell powers, wherein radio-frequency module, battery module, amplifier module and cell stack are installed on a connection piece, form an entirety, other audio-frequency module and charging module are owing to needing the position of feature, so not being connected with connector, after installation, the radio-frequency module of this embodiment is in the position held most, and the interval of this radio-frequency module and connector is empty, this radio-frequency module is more than 3mm with the vertical dimension of the module closest to it, therefore this radio-frequency module periphery can form headroom environment, therefore excellent radiofrequency signal can be ensured, effectively reduce electromagnetic interference.
Description
Technical field
The present invention relates to the electrical structure of a kind of wearable electronic, the cassette mechanism structure of a kind of earphone.
Background technology
Along with the development of science and technology, wireless headset occurs gradually in people's life, the spy that wireless headset is convenient for carrying because of it
Put and favored by people, which solve all inconvenience of traditional wire earphone.Existing wireless headset be generally monaural without
Line earphone, low to signal and various radio-frequency devices Clearance requirement, therefore its internal electrical structure design is more random, each circuit mould
Between block and battery, the most random placing is fixed or random being stacked, thus causes the radiofrequency signal of sensitivity
Can not get excellent performance, for monaural wireless headset it is also possible that but serious for ears wireless headset then electromagnetic interference, signal
Difference.
Summary of the invention
For the problem existing for above-mentioned prior art, it is an object of the invention to provide a kind of compact conformation reliable, and energy
Improve the cassette mechanism structure of the earphone of the excellent performance of radiofrequency signal.
For reaching above-mentioned purpose, the technical solution adopted in the present invention is: the cassette mechanism structure of a kind of earphone, includes battery
And movement, it is characterized in that described movement includes radio-frequency module, battery module and amplifier module, described radio-frequency module, battery
Module and amplifier module are electrically connected to each other, and described radio-frequency module, battery module, amplifier module and cell stack are installed on one even
On fitting, retain between described radio-frequency module and described connector and have headroom environment.
Preferably, described connector is the fixed mount of hollow, and the centre of described fixed mount is provided with dividing plate makes hollow space divide
Being divided into the first cavity volume and the second cavity volume, described amplifier module, battery module and battery are installed in the first cavity volume, described radio frequency
Module is installed on the upper surface of the second cavity volume, forms headroom environment, believe for radio frequency between described radio-frequency module and this second cavity volume
Number manufacture good internal medium.
Preferably, the cavity wall end face of described second cavity volume is provided with spud pile, and described radio-frequency module is correspondingly provided with through hole, institute
State radio-frequency module to be matched with through hole by spud pile and be fixed on described fixed mount, cancel the mode that screw connects, therefore keep away
Exempt from the metalwork impact on radiofrequency signal.It is of course also possible to use other affixed mode to realize connecting, as set in cavity wall
Button foot, radio-frequency module edge is provided with the mode that button bit is interlockingly connected with button foot.
Preferably, the surrounding cavity wall of described first cavity volume and the second cavity volume has multiple breach；The breach of the first cavity volume
Can conveniently electrically connect cabling, the breach of the second cavity volume can avoid cavity wall to interfere with radiofrequency signal.
Preferably, described connector is extended with two connecting pins, and the enclosure of described earphone is correspondingly provided with connection recess,
Described connector by connecting pin be connected recess and match and realize being fixed in earphone, therefore without using other metal screws
Realize connecting, effectively reduce interference source.If desired can be the most affixed by glue.
Preferably, described battery module, battery and amplifier module are installed in described first cavity volume in order, and described fortune
Amplification module and battery module fit tightly with two end faces of described battery respectively and are connected, and its laminating type can use double faced adhesive tape
Fit.
Preferably, described radio-frequency module includes circuit main board, radio transmitting and receiving chip and antenna, described wireless receiving and dispatching core
Sheet and antenna are integrated on described circuit main board, and described circuit main board is installed on described connector；Described battery module includes
Battery circuit board and Power Management Devices, described Power Management Devices is had to be integrated on described battery circuit board, described battery
Circuit board is installed in described connector；Described amplifier module includes discharge circuit plate and amplifier chip, described amplifier core
Sheet is integrated on described discharge circuit plate, and described discharge circuit plate is installed in described connector.
Preferably, all connected by soft arranging wire between described circuit main board, battery circuit board and discharge circuit plate and realize
Electrically connect between three modules, electrically connected by battery leg between described battery circuit board with described battery, therefore effectively reduce
The laying of wire, makes whole cassette mechanism structure neat, reserves enough headroom for radio-frequency module.
Preferably, described movement also includes audio-frequency module, and described audio-frequency module electrically connects with described amplifier module, described
Audio-frequency module is arranged at the sound mouth of described shell.
Preferably, described movement also includes charging module, and described charging module electrically connects with described battery, described charging
Module is arranged on shell wall.
The invention has the beneficial effects as follows:
(1) connector is used radio-frequency module, battery module, amplifier module and cell stack to be installed together, so that ear
The internal structure of machine is in good order, and compact conformation is reliable, thus effectively saves space, and makes between radio-frequency module and connector
Retention has space, spaced apart with other modules, i.e. radio-frequency module periphery can form headroom environment, therefore can ensure excellent
Radiofrequency signal, effectively reduces electromagnetic interference；
(2) electric connection mode between each module uses soft arranging wire to connect, therefore makes whole cassette mechanism structure the cleanest and the tidiest tight further
Gather, efficiently solve the messy problem of wire electrical connection, thus save space occupancy rate；
(3) whole cassette mechanism structure includes the connection of connector and earphone, does not the most use screw to connect, therefore decreases metal and do
Disturb, optimize radiofrequency signal further.
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the perspective view of the cassette mechanism structure of earphone of the present invention.
Fig. 2 is the decomposition texture schematic diagram of the cassette mechanism structure of earphone of the present invention.
Fig. 3 is the sectional structure schematic diagram that movement of the present invention coordinates with connector.
Fig. 4 is the perspective view of connector of the present invention.
Fig. 5 is the decomposition texture schematic diagram that connector of the present invention coordinates with shell.
Detailed description of the invention
As shown in figures 1 and 3, the cassette mechanism structure of the earphone of the present invention, include battery 4 and movement, feature is described machine
Core includes radio-frequency module 1, battery module 2, amplifier module 3, audio-frequency module 6 and charging module 7, between these five modules mutually
Electrical connection, and electrically connects with battery 4, battery 4 provide power supply, wherein radio-frequency module 1, battery module 2, amplifier module 3 and
Battery 4 superposition is installed on a connection piece 5, forms an entirety, and other audio-frequency module 6 and charging module 7 are due to needs spy
The position of point, so not being connected with connector 5, after installation, the radio-frequency module 1 of this embodiment is in the position held most, and this is penetrated
The interval of frequency module 1 and connector 5 is empty, and this radio-frequency module 1 is more than 3mm with the vertical dimension of the module closest to it, therefore this is penetrated
Frequency module 1 periphery can form headroom environment, therefore can ensure excellent radiofrequency signal, effectively reduces electromagnetic interference.
As in figure 2 it is shown, the radio-frequency module 1 of this embodiment includes circuit main board 11, radio transmitting and receiving chip 12 and antenna
13, described radio transmitting and receiving chip 12 and antenna 13 are integrated on described circuit main board 11, and described circuit main board 11 is installed to described
On connector 5；Described battery module 2 includes battery circuit board 21 and Power Management Devices, described Power Management Devices collection
Becoming on described battery circuit board 21, described battery circuit board 21 is installed in described connector 5；Described amplifier module 3 includes
Discharge circuit plate 31 and amplifier chip 32, described amplifier chip 32 is had to be integrated on described discharge circuit plate 31, described amplifier
Circuit board 31 is installed in described connector 5；The audio-frequency module 6 of this embodiment is arranged at the sound mouth of described earphone outer covering 9,
This audio-frequency module 6 includes dynamic ferrum unit 61 and pyrite sound tube 62, and pyrite sound tube 62 part reaches going out of described shell 9
Outside sound mouth 92, pyrite sound tube 62 part at described extension is socketed with silica gel sheath 63, and this dynamic ferrum unit 61 is plugged on Huang
Inside the lower end of copper sound tube 62, the lower end of dynamic ferrum unit 61 is drawn wire 64 and is electrically connected with described discharge circuit plate 31；This is real
The charging module 7 executing example is arranged on earphone outer covering 9 wall, and the charging module 7 of this embodiment includes and the interlocking of described shell 9
Charging panel 71, row wire terminal 72 and magnetic absorption member 73, this charging panel 71 is working of plastics, outside being assembled into by this charging panel 71
On shell 9, this row wire terminal 72 and magnetic absorption member 73 are installed on this charging panel 71, and wherein row wire terminal 72 is positioned at charging panel 71
Lower end, magnetic absorption member 73 is positioned at the centre position, upper end of charging panel 71, and this magnetic absorption member 73 can be iron block, the corresponding ear in standard configuration
Machine charging box is provided with magnetic part, and this magnetic part is magnet piece；Draw on the battery 4 of this embodiment and have charging winding displacement 42, by filling
Electricity winding displacement 42 plugs with described row wire terminal 72；This charging panel 71 is provided with both positive and negative polarity charging contact 74, lays respectively at magnetic
The both sides of part 73, corresponding earphone charging box is provided with both positive and negative polarity charging thimble, therefore the cassette mechanism structure of earphone is placed into charging
During box, magnetic absorption member 73 and magnetic part phase magnetic and make the cassette mechanism structure of earphone adsorb on earphone charging box, and then make charging panel
The both positive and negative polarity charging contact 74 of 71 contacts with the both positive and negative polarity charging thimble of charging box, it is achieved for the battery of the cassette mechanism structure of earphone
Charging.
As shown in Figure 4, the connector 5 of this embodiment is the fixed mount with hollow structure, is provided with in the centre of fixed mount
Dividing plate 53 makes hollow structure be separated into the first cavity volume 51 and the second cavity volume 52.Wherein amplifier module 3, battery module 2 and battery 4
Being installed in the first cavity volume 51, the amplifier module 3 of this embodiment is positioned at one end of battery 4, and this discharge circuit plate 31 is in
The outermost end of first cavity volume 51 at its place, amplifier chip 52 is towards outer end, and battery module 2 is positioned at the other end of battery 4,
At the bottom of i.e. this battery circuit board 21 is positioned at first cavity volume 51 chamber at its place, Power Management Devices is towards direction at the bottom of chamber, in order to reach
The most firmly connect, the back side of the discharge circuit plate 31 of this embodiment and the back side of battery circuit board 21 respectively with battery 4
Two end faces fit tightly connection by double faced adhesive tape 10, so that three is connected in one, and not only compact conformation, and also electricity connects
Touch the most firm；The radio-frequency module 1 of this embodiment is installed on the upper surface of the second cavity volume 52, specifically at described connector 5
The cavity wall end face of the second cavity volume 52 be provided with three spud piles 54, this radio-frequency module 1 is correspondingly provided with three through holes 14, radio frequency mould
Block 1 is matched with through hole 14 by spud pile 54 and is fixed on described fixed mount, in order to avoid spud pile 54 holds with through hole 14
Easily depart from, the diameter affixed set more than through hole 14 can be socketed in the end of spud pile 54；The chamber of this second cavity volume 52
Have three breach 55 on wall, have between radio-frequency module 1 and the second cavity volume 52 after radio-frequency module 1 is installed on spud pile 54
Space, forms headroom environment, manufactures good internal medium for radiofrequency signal.It addition, install amplifier module 3, battery 4 and battery
Also being provided with breach 55 in the cavity wall of the first cavity volume 51 of module 2, this breach 55 passes through for soft arranging wire 8, and described soft arranging wire 8 is
For electrical connection circuit mainboard 11, discharge circuit plate 31 and battery circuit board 21, these three circuit board is by two soft rows
Line 8 is attached, and the length of these two soft arranging wires 8 is to measure especially, installs at three pieces of circuit boards and is fixed on connector 5 it
After, under two soft arranging wires 8 situation just at a suitable tension, therefore ensure that total consolidates compact very much.This enforcement
Connection between battery 4 and the battery circuit board 21 of example is: the battery circuit board 21 of this embodiment is provided with one and is positioned at plate body
Middle through hole 22 and a groove 23 being positioned at plate body edge, the battery 4 of this embodiment is then provided with battery leg 41, logical
Cross laying pad near the through hole 22 and groove 23 of battery circuit board 21, battery circuit board 21 is docked with battery 4 phase, allows
Battery leg 41 is each passed through this through hole 22 and groove 23, then utilizes the fixing both positive and negative polarity that realizes of scolding tin to dock, makes battery simultaneously
Circuit board 21 fits tightly with battery 4, therefore eliminates the trouble of guide line and welding lead, has also been greatly saved space.These are three years old
Individual module and battery be connected with connector after whole structure as shown in Figure 3.
As it is shown in figure 5, the connector 5 of this embodiment is extended with two connecting pins 56, the two connecting pin 56 is from being positioned at
The cavity wall end face of the first cavity volume 51 installing amplifier module 3, battery 4 and battery module 2 extends；Corresponding, this embodiment
Shell 9 is internal to be correspondingly provided with two and connects recess 91, this connector 9 by connecting pin 56 be connected recess 91 and match and realize
It is fixed in shell 9, therefore without using metal screws to realize connecting, effectively reduces interference source.
The movement mechanism of this embodiment may apply on ears wireless headset, and the inside of left and right wireless headset all can be installed
This cassette mechanism structure upper, owing to this cassette mechanism structure has excellent radiofrequency signal, therefore by penetrating between the cassette mechanism structure of two earphones
It is clear, stable that frequency module 1 realizes wireless docking communication, by electromagnetic interference, will not effectively solve the movement knot of current biphone
The drawback that structure exists.
Although the present invention is to be described with reference to specific embodiments, but this description is not meant to the present invention is constituted limit
System.With reference to description of the invention, other changes of the disclosed embodiments, for those skilled in the art be all it is anticipated that
, this change should belong in appended claims limited range.
Claims (10)
1. a cassette mechanism structure for earphone, includes battery (4) and movement, it is characterised in that: described movement includes radio frequency mould
Block (1), battery module (2) and amplifier module (3), described radio-frequency module (1), battery module (2) and amplifier module (3) are mutual
Electrical connection, described radio-frequency module (1), battery module (2), amplifier module (3) and battery (4) superposition are installed on a connection piece
(5), on, retain between described radio-frequency module (1) and described connector (5) and have headroom environment.
The cassette mechanism structure of earphone the most according to claim 1, it is characterised in that: described connector (5) is for having hollow knot
The fixed mount of structure, the centre of described fixed mount is provided with dividing plate (53) makes hollow space be separated into the first cavity volume (51) and the second cavity volume
(52), described battery module (2), amplifier module (3) and battery (4) are installed in the first cavity volume (51), described radio-frequency module
(1) it is installed on the upper surface of the second cavity volume (52), between described radio-frequency module (1) and this second cavity volume (52), forms headroom ring
Border.
The cassette mechanism structure of earphone the most according to claim 2, it is characterised in that: the cavity wall end face of described second cavity volume (52)
Being provided with spud pile (54), described radio-frequency module (1) is correspondingly provided with through hole (14), described radio-frequency module (1) passes through spud pile
(54) match with through hole (14) and be fixed on described fixed mount.
The cassette mechanism structure of earphone the most according to claim 2, it is characterised in that: described first cavity volume (51) and the second cavity volume
(52) multiple breach (55) is had in surrounding cavity wall.
The cassette mechanism structure of earphone the most according to claim 1, it is characterised in that: described connector (5) is extended with two companies
Pin (56), the shell (9) of described earphone is internal is correspondingly provided with connection recess (91), and described connector (5) passes through connecting pin
(56) be connected recess (91) and match and realize being fixed in earphone.
The cassette mechanism structure of earphone the most according to claim 2, it is characterised in that: described battery module (2), battery (4) and
Amplifier module (3) is installed in described first cavity volume (51) in order, and described battery module (2) and amplifier module (3) are respectively
Fit tightly with two end faces of described battery (4) and be connected.
7. according to the cassette mechanism structure of the earphone described in the arbitrary claim of claim 1-6, it is characterised in that: described radio-frequency module (1)
Include circuit main board (11), radio transmitting and receiving chip (12) and antenna (13), described radio transmitting and receiving chip (12) and antenna
(13) being integrated on described circuit main board (11), described circuit main board (11) is installed on described connector (5)；Described battery mould
Block (2) includes battery circuit board (21) and Power Management Devices, and described Power Management Devices is integrated in described battery circuit
On plate (21), described battery circuit board (21) is installed in described connector (5)；Described amplifier module (3) includes amplifier electricity
Road plate (31) and amplifier chip (32), described amplifier chip (32) is integrated on described discharge circuit plate (31), described amplifier
Circuit board (31) is installed in described connector (5).
The cassette mechanism structure of earphone the most according to claim 7, it is characterised in that: described circuit main board (11), battery circuit
All connected by soft arranging wire (8) between plate (21) and discharge circuit plate (31) and realize electrically connecting between three modules, described electricity
Electrically connected by battery leg (41) between pond circuit board (21) with described battery (4).
The cassette mechanism structure of earphone the most according to claim 1, it is characterised in that: described movement also includes audio-frequency module
(6), described audio-frequency module (6) electrically connects with described amplifier module (3), and described audio-frequency module (6) is arranged on described shell (9)
Sound mouth (92) place.
The cassette mechanism structure of earphone the most according to claim 1, it is characterised in that: described movement also includes charging module
(7), described charging module (7) electrically connects with described battery (4), and described charging module (7) is arranged on shell (9) wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610426790.9A CN106101890A (en) | 2016-06-16 | 2016-06-16 | A kind of cassette mechanism structure of earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610426790.9A CN106101890A (en) | 2016-06-16 | 2016-06-16 | A kind of cassette mechanism structure of earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106101890A true CN106101890A (en) | 2016-11-09 |
Family
ID=57235218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610426790.9A Pending CN106101890A (en) | 2016-06-16 | 2016-06-16 | A kind of cassette mechanism structure of earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106101890A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109618262A (en) * | 2019-02-01 | 2019-04-12 | 惠州市裕和源科技有限公司 | A kind of flexibility wireless headset |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201878302U (en) * | 2010-10-08 | 2011-06-22 | 讯威科技发展有限公司 | Bluetooth headset |
| CN102447987A (en) * | 2010-10-08 | 2012-05-09 | 讯威科技发展有限公司 | Bluetooth headset |
| CN202713563U (en) * | 2011-12-23 | 2013-01-30 | 歌尔声学股份有限公司 | Bluetooth earphone circuit board |
| CN104853273A (en) * | 2015-05-29 | 2015-08-19 | 上海佑刻网络科技有限公司 | Customized Bluetooth earphone and manufacturing method thereof |
-
2016
- 2016-06-16 CN CN201610426790.9A patent/CN106101890A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201878302U (en) * | 2010-10-08 | 2011-06-22 | 讯威科技发展有限公司 | Bluetooth headset |
| CN102447987A (en) * | 2010-10-08 | 2012-05-09 | 讯威科技发展有限公司 | Bluetooth headset |
| CN202713563U (en) * | 2011-12-23 | 2013-01-30 | 歌尔声学股份有限公司 | Bluetooth earphone circuit board |
| CN104853273A (en) * | 2015-05-29 | 2015-08-19 | 上海佑刻网络科技有限公司 | Customized Bluetooth earphone and manufacturing method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109618262A (en) * | 2019-02-01 | 2019-04-12 | 惠州市裕和源科技有限公司 | A kind of flexibility wireless headset |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20220210535A1 (en) | Wireless Headset and Headset Box | |
| CN110198503B (en) | Wireless earphone | |
| CN105872887A (en) | Wireless headset | |
| CN106878852B (en) | Wireless earphone and electronic equipment | |
| CN205726299U (en) | A kind of wireless headset | |
| WO2022017230A1 (en) | Headset, wireless charging device, and headset charging system | |
| CN103178607B (en) | For the apparatus and method for batteries charging | |
| CN106101890A (en) | A kind of cassette mechanism structure of earphone | |
| CN205811106U (en) | Electric connector | |
| CN205681593U (en) | A kind of cassette mechanism structure of earphone | |
| CN209948729U (en) | Charging matching positioning device of wireless earphone | |
| CN207218778U (en) | A kind of mobile phone of embedded with bluetooth earphone | |
| CN218472131U (en) | Can reduce cladding formula electricity core of bluetooth earphone base noise | |
| CN111628578A (en) | Multifunctional Bluetooth headset charging device | |
| CN203883243U (en) | Nondirectional USB socket and plug | |
| CN215771551U (en) | Bluetooth headset with antenna extension structure | |
| CN206517112U (en) | A kind of sound equipment with wireless charging function | |
| CN209882056U (en) | Wireless active audio amplifier that charges | |
| CN219478102U (en) | Stacking structure of core part of open earphone | |
| CN208782513U (en) | Audio frequency apparatus | |
| CN219478101U (en) | Antistatic open earphone core | |
| CN219478103U (en) | Earphone combining antenna and touch FPC | |
| CN107390159B (en) | Electric energy meter calibration device and use method thereof | |
| CN206148761U (en) | Adapter equipment | |
| CN201749896U (en) | Mobile phone battery structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161109 |