CN104702265A - Multifunctional interface in wearable device - Google Patents
Multifunctional interface in wearable device Download PDFInfo
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- CN104702265A CN104702265A CN201310655031.6A CN201310655031A CN104702265A CN 104702265 A CN104702265 A CN 104702265A CN 201310655031 A CN201310655031 A CN 201310655031A CN 104702265 A CN104702265 A CN 104702265A
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Abstract
The invention relates to a multifunctional interface on a wearable device, a pull-up resistor connected to the power end is arranged on a data signal line end, after an analog-digital converter carries out analog-digital conversion on a data signal transmitted by an external component, the analog-digital converter judges an interface mode, the high level is a USB (Universal Serial Bus) interface mode, and the low level is an earphone interface mode. The multifunctional interface can be applied to a plurality of wearable devices, in particular to a smart watch. The multifunctional interface has the technical effect of sharing the USB data and the audio data at the interface end, combination of a USB interface, a charge interface and an earphone interface is implemented, the space of the smart watch is saved, the aesthetics is improved, and the multifunctional interface is convenient to use.
Description
Technical field
The present invention relates to a kind of versatile interface, the versatile interface particularly in a kind of wearable device.
Background technology
Along with the development of electronic technology, occurred increasing smart machine in the life of people, the life for us brings quick and convenient.In recent years, in being lived with people by electronic equipment, necessity merges mutually, and such as: wearable device, portable set, implanted equipment etc., all become the emphasis of each large enterprises research and development, people are also grown to even greater heights for the enthusiasm of Intelligent worn device.In Intelligent worn device, intelligent watch is expected to especially after smart mobile phone, becomes individual intelligent terminal the most popular of future generation.
In prior art, in order to save the space of intelligent terminal, have employed the unification by USB interface and charging inlet, just can be realized the information transmission of USB port by an interface, and for the charging of intelligent terminal, this technology extensively adopts on various smart mobile phone.For the product that wearable device is user's use next to the skin, it generally has the little and easily portable feature of volume, such as intelligent watch, and therefore the interface of those wearable devices is arranged to the emphasis in order to researcher.Because intelligent watch is than smart mobile phone, volume has larger difference, causes the degree exquisite in workmanship of intelligent watch and integration all far above smart mobile phone, will certainly will will have influence on the design of interface like this, too much expansion interface both unsightly, was also not easy to terminal use and used.
Summary of the invention
In order to solve the problem of above-mentioned existing intelligent watch, the present invention proposes a kind of versatile interface, it achieves the unification of USB interface, charging inlet and earphone interface, has saved the space of intelligent watch, has improved aesthetics, also can realize convenient use.
Versatile interface provided by the invention, arranges pull-up resistor to power end at data-signal line end, passes through analog to digital converter, after its data-signal transmitted by extraneous parts carries out analog-to-digital conversion, judge interface modes, high level is USB interface pattern, and low level is earphone interface pattern.Thus achieve usb data and voice data shares interface end.
This versatile interface may be used on multiple wearable device, particularly in intelligent watch.
Accompanying drawing explanation
Fig. 1 Multifunctional interface circuit schematic diagram;
Fig. 2 Multifunctional interface circuit figure.
Embodiment
As shown in Figure 1, this versatile interface 1, comprises incoming end 2 and process chip 3.
This incoming end 2 is for realizing the insertion of USB device and ear speaker device, and wherein said incoming end 2 adopts standard four-part form interface, particularly four-part form 3.5mm earphone mouth, thus realizes the compatibility to the stereophone of common syllogic 3.5mm.
The signal accessing from incoming end 2 or export realizes the connection with process chip 3 by data signal line 4, after process chip 3 processes, is judged as usb signal or earphone signal, thus transfers to USB controller 5 and Audio compiler 6 respectively.
Arrange pull-up resistor 8 to power supply 9 at USB_D+ end 7, this pull-up resistor is 10k ohm.Process chip 3 is provided with analog to digital converter, and it receives the data-signal being held 7 transmission by data signal line D+, and judges the level of USB_D+ end 7, and high level is USB pattern, and low level is headset mode.
From the physical circuit figure of Fig. 2, this versatile interface carries out the judgement of level height by VBUS, if high level, then there is input signal, namely incoming end inserts USB parts or earphone, has data-signal to need transmission; If be low level, then do not insert USB parts or earphone.And then judge the level height of D+, when D+ is high, be judged as USB_SEL, namely determine that input data signal is usb signal, this versatile interface is set to USB pattern.When D+ is low, be judged as MIC_EN, namely determine that input data signal is earphone signal, this versatile interface is headset mode.
This versatile interface may be used on multiple wearable device, particularly in intelligent watch.
Claims (5)
1. a versatile interface, comprises incoming end and process chip, it is characterized in that: arrange pull-up resistor at data-signal line end, is realized the differentiation of USB pattern and headset mode by this process chip.
2., as versatile interface as described in claim 1, it is characterized in that: this process chip has analog to digital converter, carry out analog-to-digital conversion process for the data-signal obtained by incoming end, and judge the interface modes of this data-signal line end.
3., as versatile interface as described in claim 2, it is characterized in that: when this data-signal line end is high level, is USB interface pattern, when this data-signal line end is low level, is earphone interface pattern.
4., as versatile interface as described in arbitrary in claim 1-3, it is characterized in that: for wearable device.
5., as versatile interface as described in claim 4, it is characterized in that: this wearable device is intelligent watch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310655031.6A CN104702265B (en) | 2013-12-05 | 2013-12-05 | Multifunctional interface in wearable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310655031.6A CN104702265B (en) | 2013-12-05 | 2013-12-05 | Multifunctional interface in wearable device |
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| Publication Number | Publication Date |
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| CN104702265A true CN104702265A (en) | 2015-06-10 |
| CN104702265B CN104702265B (en) | 2021-02-05 |
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| CN201310655031.6A Active CN104702265B (en) | 2013-12-05 | 2013-12-05 | Multifunctional interface in wearable device |
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| CN106340782A (en) * | 2015-07-14 | 2017-01-18 | 华为终端（东莞）有限公司 | Wearable device |
| CN106603755A (en) * | 2016-10-26 | 2017-04-26 | 珠海格力电器股份有限公司 | Mobile terminal and data processing method based on mobile terminal |
| WO2018010092A1 (en) * | 2016-07-12 | 2018-01-18 | 深圳市汇顶科技股份有限公司 | Wearable apparatus and method capable of performing power supply management |
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| CN106603755A (en) * | 2016-10-26 | 2017-04-26 | 珠海格力电器股份有限公司 | Mobile terminal and data processing method based on mobile terminal |
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| CN104702265B (en) | 2021-02-05 |
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Address after: Room 127, building 3, 356 GuoShouJing Road, Zhangjiang High Tech Park, Pudong New Area, Shanghai 201204 Patentee after: SHANGHAI GEAK ELECTRONICS Co.,Ltd. Address before: Room 127, building 3, 356 GuoShouJing Road, Zhangjiang High Tech Park, Pudong New Area, Shanghai 201203 Patentee before: Shanghai Nutshell Electronics Co.,Ltd. |
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