CN203574831U - In-ear earphone - Google Patents
In-ear earphone Download PDFInfo
- Publication number
- CN203574831U CN203574831U CN201320725330.8U CN201320725330U CN203574831U CN 203574831 U CN203574831 U CN 203574831U CN 201320725330 U CN201320725330 U CN 201320725330U CN 203574831 U CN203574831 U CN 203574831U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- main circuit
- conversion chip
- digital
- housing
- 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.)
- Expired - Lifetime
Links
- 238000006243 chemical reaction Methods 0.000 claims abstract description 54
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 claims description 14
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Images
Landscapes
- Telephone Set Structure (AREA)
Abstract
The utility model belongs to the technical field of earphones and especially relates to an in-ear earphone which comprises a left in-ear unit, a right in-ear unit and a line-controlled unit which is electrically connected with the left in-ear unit and the right in-ear unit respectively. The line-controlled unit comprises a first shell and a second shell which are buckled together. A main circuit board is arranged between the first shell and the second shell. The main circuit board is electrically connected with a sound up button, a sound down button, a listening button and a conversion chip. Transmission lines are connected between the main circuit board and the left in-ear unit and the right in-ear unit respectively. A USB interface is a digital signal interface, and a transmission control line is connected between the USB interface and the conversion chip. Since the line-controlled unit is provided with the conversion chip, a digital signal inputted from the USB interface can be converted into an analog signal which is respectively transmitted to the left in-ear unit and the right in-ear unit respectively, thus the conversion of the analog signal and sound is realized, in this way, a digital to analog converter part is omitted in the main board of a portable electronic product such as a mobile phone, and the size of the portable electronic product such as a mobile phone is effectively reduced.
Description
Technical field
The utility model belongs to earphone technical field, relates in particular to a kind of PlayGear Stealth.
Background technology
A little less than antijamming capability due to analog signal, the antijamming capability of digital signal is strong, raising along with scientific and technological development and daily life requirement, the voice signal of the portable type electronic products such as mobile phone is all to transmit with the form of digital signal, but because digital signal cannot be converted to voltage, thereby current signal cannot be converted to sound, thereby just need to increase digital to analog converter while connecting earphone, the means of taking are now: on the mainboard of the portable type electronic products such as mobile phone, increase digital to analog converter, on its mainboard, increase the volume that will increase the portable type electronic products such as mobile phone after digital to analog converter, be unfavorable for microminiaturization and the slimming of the portable type electronic products such as mobile phone.
Utility model content
The technical problems to be solved in the utility model is: provide a kind of and digital signal can be converted to the PlayGear Stealth of analog signal, thereby just digital to analog converter need not be set on the mainboard of the portable type electronic products such as mobile phone that are connected with PlayGear Stealth, can reduce the volume of the portable type electronic products such as mobile phone.
The utility model is achieved in that a kind of PlayGear Stealth, and described PlayGear Stealth comprises: left earplug, right earplug; The line traffic control unit being electrically connected to described left earplug, right earplug respectively,
Described line traffic control unit comprises that mutual fastening forms the first housing and second housing of cavity, in described cavity, be provided with main circuit board, on described main circuit board, be electrically connected with and reduce audio button, increase audio button, answer button and conversion chip, between described main circuit board and left earplug, right earplug, be connected with respectively transmission line;
USB interface, described USB interface is digital signal formula interface, between described USB interface and described conversion chip, is connected with transmission control line.
As a kind of improvement, on described main circuit board, be also provided with microphone, described microphone is electrically connected to described conversion chip.
As a kind of improvement, described conversion chip is provided with digital-to-analogue conversion effect module and the analog-to-digital conversion effect module being connected with described transmission control line respectively, and described microphone is electrically connected to the analog-to-digital conversion effect module of described conversion chip.
As a kind of improvement, described conversion chip is provided with digital-to-analogue conversion effect module, and described digital-to-analogue conversion effect module is connected with described transmission control line.
As a kind of improvement, described microphone is arranged between described main circuit board and described the second housing; On described the second housing, corresponding described microphone place is provided with sound hole.
As a kind of improvement, described in reduce audio button, increase audio button, answer button and be arranged on the face of described main circuit board near described the first housing one side, described conversion chip is arranged on the face of described main circuit board near described the second housing one side.
As a kind of improvement, described USB interface is Micro-USB interface.
Owing to having adopted technique scheme, obtained beneficial effect is:
While using the PlayGear Stealth that the utility model provides, owing to being provided with conversion chip in line traffic control unit, can will be converted to analog signal from the digital signal of USB interface input, and analog signal is transferred to respectively to left earplug, right earplug, thereby the conversion of the analog signal of realization and sound, on the mainboard of the portable type electronic products such as mobile phone that are connected with this PlayGear Stealth like this, just save this part of digital to analog converter, can reduce the volume of the portable type electronic products such as mobile phone.
Owing to reducing audio button, increase audio button, answer button and be arranged between main circuit board and the first housing, conversion chip is arranged between main circuit board and the second housing, can make full use of like this cavity between main circuit board and the first housing, the second housing, effectively reduce the size of line traffic control unit volume.
Microphone is arranged in the housing of line traffic control unit, can reduce the impact of external noise, and the quality of high voice signal can be provided.
Accompanying drawing explanation
Fig. 1 is the structural representation of the PlayGear Stealth that provides of the utility model;
Fig. 2 is the assembling decomposition plan view of the PlayGear Stealth that provides of the utility model;
Fig. 3 is the backsight enlarged drawing of the main circuit board of the PlayGear Stealth that provides of the utility model;
Fig. 4 is the operation principle block diagram of the PlayGear Stealth that provides of the utility model;
Wherein, 10, left earplug, 11, right earplug, 12, line traffic control unit, the 121, first housing, the 122, second housing, 123, main circuit board, 124, reduce audio button, 125, increase audio button, 126, answer button, 127, conversion core, 128, microphone, 129, sound hole, 13, transmission line, 14, USB interface, 15, transmission control line.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
From Fig. 1, Fig. 2 and Fig. 3, this PlayGear Stealth comprises: left earplug 10, right earplug 11; The line traffic control unit 12 being electrically connected to left earplug 10, right earplug 11 respectively, this line traffic control unit 12 comprises that mutual fastening forms the first housing 121 and second housing 122 of cavity, in this cavity, be provided with main circuit board 123, on this main circuit board 123, be electrically connected with the conversion chip 127 that reduces audio button 124, increases audio button 125, answers button 126 and can carry out digital-to-analogue conversion, between this main circuit board 123 and left earplug 10, right earplug 11, be connected with respectively transmission line 13; Usb 14, this usb 14 is digital signal formula interface, is connected with transmission control line 15 between this usb 14 and conversion chip 127.
In the present embodiment, on the one hand because the socket on the electronic products such as mobile phone is all the form of Micro-USB mostly, owing to there being single line line in Micro-USB, be shielding conductor on the other hand, interference free performance is better, so usb 14 is just set to Micro-USB interface, can matching with mobile phone etc. portable type electronic product use good audio effect can be provided again.
Earphone belt USB interface, is mainly the mainboard space of saving the portable type electronic products such as mobile phone, saves cost.Conventional mobile phone has a reserved headset plug now, need to take up room; What on the whole piece earphone cord of conventional earphone, transmit is all analog signal, has partial simulation signal just on wire, to lose.In the present embodiment, only have line traffic control unit 12 to be only analog signal to the transmission line 13 between left earplug 10, right earplug 11, reduced the loss of analog signal.
While using this PlayGear Stealth, owing to being provided with conversion chip 127 in line traffic control unit 12, can will be converted to analog signal from the digital signal of usb 14 inputs, and analog signal is transferred to respectively to left earplug 10, right earplug 11, thereby the conversion of the analog signal of realization and sound, on the mainboard of the portable type electronic products such as mobile phone that are connected with this PlayGear Stealth like this, just save this part of digital to analog converter, can reduce the volume of the portable type electronic products such as mobile phone.
In the present embodiment, reduce audio button 124, increase audio button 125, answer button 126 and be arranged on the face of this main circuit board 123 near the first housing 121 1 sides, volume tune up, turn down and talkthrough function is all that control is realized in the relevant position that correspondingly on the first housing 121 reduces audio button 124 by pressing, increases audio button 125, answers button 126; Conversion chip 127 is arranged on the face of this main circuit board 123 near the second housing 122 1 sides.Can make full use of like this cavity between main circuit board 123 and the first housing 121, the second housing 122, the size of effectively reducing line traffic control unit 12 volumes.
In the present embodiment, between main circuit board 123 and the second housing 122, be also provided with microphone 128, this microphone 128 is electrically connected to conversion chip 127, and on the second housing 122, corresponding microphone 128 places are provided with sound hole 129.Microphone 128 is arranged between main circuit board 123 and the second housing 122, can avoid the impact of noise, and high-quality voice signal can be provided.
Specifically, in the present embodiment, conversion chip 127 is provided with digital-to-analogue conversion effect module and the analog-to-digital conversion effect module being connected with transmission control line 15 respectively, and microphone 128 is electrically connected to the analog-to-digital conversion effect module of conversion chip 127.
Fig. 4 shows the operation principle block diagram of PlayGear Stealth of the present utility model, as shown in Figure 4, the digital signal of being inputted by usb 14, through transmission control line 15, be transferred to conversion chip 127, by conversion chip 127, digital signal is converted to analog signal, by main circuit board 123, through transmission line 13, flow to respectively left earplug 10, right earplug 11 again, finally by left earplug 10, right earplug 11, complete analog signal to the conversion of sound; Reduce audio button 124, increase audio button 125 and be electrically connected to main circuit board 123, press the size of capable of adjusting sound volume afterwards; Answer button 126 and be electrically connected to main circuit board 123, press and answer button 126 and can realize turn-on power loss; Microphone 128 is electrically connected to conversion chip 127, by microphone 128, receive sound, and convert the sound receiving to analog signal, be transferred to again conversion chip 127, and change into digital signal by conversion chip 127, then be transferred to the portable type electronic products such as mobile phone via transmission control line 15, usb 14.
The PlayGear Stealth that the utility model provides comprises: left earplug, right earplug; The line traffic control unit being electrically connected to left earplug, right earplug respectively, this line traffic control unit comprises that mutual fastening forms the first housing and second housing of cavity, in this cavity, be provided with main circuit board, on this main circuit board, be electrically connected with and reduce audio button, increase audio button, answer button and conversion chip, between this main circuit board and left earplug, right earplug, be connected with respectively transmission line; USB interface, this USB interface is digital interface, and between conversion chip, is connected with transmission control line; Owing to being provided with conversion chip in line traffic control unit, can will be converted to analog signal from the digital signal of USB interface input, and analog signal is transferred to respectively to left earplug, right earplug, thereby the conversion of the analog signal of realization and sound, on the mainboard of the portable type electronic products such as mobile phone that are connected with this PlayGear Stealth like this, just save this part of digital to analog converter, can reduce the volume of the portable type electronic products such as mobile phone.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (7)
1. PlayGear Stealth, described PlayGear Stealth comprises left earplug, right earplug; The line traffic control unit being electrically connected to described left earplug, right earplug respectively, is characterized in that:
Described line traffic control unit comprises that mutual fastening forms the first housing and second housing of cavity, in described cavity, be provided with main circuit board, on described main circuit board, be electrically connected with and reduce audio button, increase audio button, answer button and conversion chip, between described main circuit board and left earplug, right earplug, be connected with respectively transmission line;
USB interface, described USB interface is digital signal formula interface, between described USB interface and described conversion chip, is connected with transmission control line.
2. PlayGear Stealth according to claim 1, is characterized in that, is also provided with microphone on described main circuit board, and described microphone is electrically connected to described conversion chip.
3. PlayGear Stealth according to claim 2, it is characterized in that, described conversion chip is provided with digital-to-analogue conversion effect module and the analog-to-digital conversion effect module being connected with described transmission control line respectively, and described microphone is electrically connected to the analog-to-digital conversion effect module of described conversion chip.
4. PlayGear Stealth according to claim 1, is characterized in that, described conversion chip is provided with digital-to-analogue conversion effect module, and described digital-to-analogue conversion effect module is connected with described transmission control line.
5. PlayGear Stealth according to claim 3, is characterized in that, described microphone is arranged between described main circuit board and described the second housing; On described the second housing, corresponding described microphone place is provided with sound hole.
6. according to the PlayGear Stealth described in claim 1 to 5 any one, it is characterized in that, describedly reduce audio button, increase audio button, answer button and be arranged on the face of described main circuit board near described the first housing one side, described conversion chip is arranged on the face of described main circuit board near described the second housing one side.
7. PlayGear Stealth according to claim 6, is characterized in that, described USB interface is Micro-USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320725330.8U CN203574831U (en) | 2013-11-15 | 2013-11-15 | In-ear earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320725330.8U CN203574831U (en) | 2013-11-15 | 2013-11-15 | In-ear earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203574831U true CN203574831U (en) | 2014-04-30 |
Family
ID=50542538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320725330.8U Expired - Lifetime CN203574831U (en) | 2013-11-15 | 2013-11-15 | In-ear earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203574831U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105100986A (en) * | 2014-05-09 | 2015-11-25 | 杭州纳雄科技有限公司 | Audio transmission device |
| CN105812979A (en) * | 2016-04-21 | 2016-07-27 | 歌尔声学股份有限公司 | Earphone |
| CN105977740A (en) * | 2016-05-30 | 2016-09-28 | 歌尔股份有限公司 | Earphone adapter |
| CN106254992A (en) * | 2016-09-23 | 2016-12-21 | 惠州Tcl移动通信有限公司 | A kind of rhythm of the heart USB earphone and heart rate data acquisition method |
| US10524039B2 (en) | 2018-05-15 | 2019-12-31 | Google Llc | Enhanced digital headsets |
-
2013
- 2013-11-15 CN CN201320725330.8U patent/CN203574831U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105100986A (en) * | 2014-05-09 | 2015-11-25 | 杭州纳雄科技有限公司 | Audio transmission device |
| CN105100986B (en) * | 2014-05-09 | 2019-09-17 | 杭州纳雄科技有限公司 | Audio transmission device |
| CN105812979A (en) * | 2016-04-21 | 2016-07-27 | 歌尔声学股份有限公司 | Earphone |
| CN105812979B (en) * | 2016-04-21 | 2018-12-14 | 歌尔股份有限公司 | A kind of earphone |
| CN105977740A (en) * | 2016-05-30 | 2016-09-28 | 歌尔股份有限公司 | Earphone adapter |
| CN105977740B (en) * | 2016-05-30 | 2018-04-27 | 歌尔股份有限公司 | A kind of earphone joint |
| CN106254992A (en) * | 2016-09-23 | 2016-12-21 | 惠州Tcl移动通信有限公司 | A kind of rhythm of the heart USB earphone and heart rate data acquisition method |
| US10524039B2 (en) | 2018-05-15 | 2019-12-31 | Google Llc | Enhanced digital headsets |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203574831U (en) | In-ear earphone | |
| CN205081822U (en) | Mobile communication terminal | |
| EP4135339A1 (en) | Microphone speaker | |
| CN104243643A (en) | Mobile phone capable of sending out sound from front | |
| CN202019436U (en) | Earphone component | |
| CN203883957U (en) | Loudspeaker module | |
| CN107889003B (en) | Wireless earphone | |
| CN2894176Y (en) | Wireless earphon with universal interface based on Zigbee technique | |
| CN203840507U (en) | Bluetooth stereo | |
| CN207410482U (en) | A kind of earphone with outside speaker | |
| CN106131732A (en) | A kind of earphone | |
| CN205454036U (en) | Earphone converter and earphone | |
| CN201197137Y (en) | Multifunctional head earphone type radio | |
| CN214338107U (en) | Innovative TWS headset | |
| CN205545775U (en) | Bluetooth headset with wired input | |
| CN203482379U (en) | Bluetooth sound box | |
| CN209390369U (en) | A kind of microphone and electronic equipment with echo sound-attenuating system | |
| CN207218999U (en) | A kind of headset transfer device based on TypeC | |
| CN203192967U (en) | Earphone socket and electronic device using earphone socket | |
| CN207802238U (en) | A kind of charger Baffle Box of Bluetooth | |
| CN206076681U (en) | A kind of deconcentrator suitable for iPhone7 mobile phones | |
| CN213783586U (en) | Low-power-consumption fully-integrated UHF-band transmitting chip | |
| CN216017133U (en) | Bluetooth headset charging box and earphone system | |
| CN205545227U (en) | Adopt wireless receiver of VHFUHF frequency channel | |
| CN203504719U (en) | Two-ear Bluetooth earphone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: GOERTEK Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |