CN108432066A - A kind of USB connector and detection method - Google Patents
A kind of USB connector and detection method Download PDFInfo
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- CN108432066A CN108432066A CN201580085480.9A CN201580085480A CN108432066A CN 108432066 A CN108432066 A CN 108432066A CN 201580085480 A CN201580085480 A CN 201580085480A CN 108432066 A CN108432066 A CN 108432066A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
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- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
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Abstract
A kind of USB connector (100), including the second identification pin (25) of second interface (20) the second grounding pin (23) is connected to by USB device, when USB device is inserted into second interface (20), second grounding pin (23) deforms upon so that the second identification pin (25) is connect with the second grounding pin (23), when USB device is extracted from second interface (20), the second grounding pin (23) deformation disappears so that the second identification pin (25) is disconnected with the second grounding pin (23).It can be seen that, when the first interface (10) of USB connector is connect with the minitype USB interface of terminal device, and USB connector second interface (20) be not connected with USB device when, second identification pin (25) of second interface (20) is in vacant state, terminal device is not that USB device is powered, only when second interface (20) connects USB device, second identification pin (25) is connect with the second grounding pin (23), the identification pin of the minitype USB interface of terminal device identification terminal equipment exports low level, terminal device is powered for USB device, and carry out USB enumeration, thereby reduce the power consumption of terminal device.
Description
The present invention relates to data communication interconnection technique field more particularly to a kind of USB connector and detection methods.
OTG (On-The-Go) line is mainly used in coupling between a variety of different equipment (such as user terminal and USB flash disk, user terminal and digital camera etc.), so that can carry out data exchange between equipment.OTG line includes minitype USB interface and OTG interface, includes 5 lines in OTG interface, wherein two data lines (D+ and D-), a power supply line (VBUS), a ground line (GND) and an identification ID line.The minitype USB interface of terminal device is when being not inserted into OTG line, the ID pin of the minitype USB interface of terminal device is in vacant state, port universal input/output corresponding with ID pin (General Purpose Input Output) of terminal device is placed in high level, when the minitype USB interface of terminal device is connect with the minitype USB interface of existing OTG line, the GPIO port corresponding with ID pin of terminal device is placed in low level by terminal device, terminal device is USB device power supply, and carries out USB enumeration.As it can be seen that the minitype USB interface when terminal device is connect with the minitype USB interface of OTG line, and on OTG line when not connected USB device, terminal device is still USB device power supply, and carries out USB enumeration, increases the power consumption of terminal device.
Summary of the invention
The embodiment of the present invention provides a kind of USB connector, to reduce the power consumption of terminal device.
First aspect of the embodiment of the present invention provides a kind of USB connector, including first interface and second interface, above-mentioned first interface includes the first data pin, second data pin, first grounding pin, first voltage pin and the first identification pin, above-mentioned second interface includes third data pin, 4th data pin, second grounding pin, second voltage pin and the second identification pin, above-mentioned first data pin is connected to above-mentioned third data pin, above-mentioned second data pin is connected to above-mentioned 4th data pin, above-mentioned first grounding pin is connected to above-mentioned second grounding pin, above-mentioned first voltage pin is connected to above-mentioned second voltage pin, above-mentioned first identity pin is connected to above-mentioned second identity pin, above-mentioned second identity pin is connected to above-mentioned second grounding lead by USB device Foot, when USB device is inserted into above-mentioned second interface
When, deformation occurs that above-mentioned second identity pin is connect with above-mentioned second grounding pin for above-mentioned second grounding pin, when USB device is extracted from above-mentioned second interface, above-mentioned second grounding pin deformation disappears so that above-mentioned second identity pin is disconnected with above-mentioned second grounding pin.
In conjunction with first aspect present invention, in the first possible implementation of the first aspect, when above-mentioned second interface, which is in, is not inserted into USB device state, deformation occurs for above-mentioned second grounding pin, above-mentioned second identity pin is not connect with above-mentioned second grounding pin, and above-mentioned second identity pin is in vacant state.
In conjunction with the possible implementation of the first of first aspect present invention or first aspect, in the second possible implementation of the first aspect, when above-mentioned second interface is in insertion USB device state, deformation occurs for above-mentioned second grounding pin, above-mentioned second grounding pin is connect with the grounding pin of the interface of above-mentioned USB device, above-mentioned second identity pin is connected with above-mentioned second grounding pin, so that above-mentioned second identity pin shorted to earth.
In conjunction with the possible implementation of the first of first aspect present invention or first aspect, in a third possible implementation of the first aspect, when above-mentioned second interface is in insertion USB device state, deformation occurs for above-mentioned second grounding pin, the connection of the grounding pin of above-mentioned second identity pin and above-mentioned second grounding pin and above-mentioned USB device, so that above-mentioned second identity pin shorted to earth.
In conjunction with first aspect present invention, first aspect the first to the third any possible implementation, in a fourth possible implementation of the first aspect, the shape of above-mentioned second identity pin and above-mentioned second grounding pin is U-shaped.
In conjunction with first aspect present invention, first aspect the first to the third any possible implementation, in the fifth possible implementation of the first aspect, the shape of above-mentioned second identity pin and above-mentioned second grounding pin is L-shaped.
In conjunction with first aspect present invention, first aspect the first to the 5th kind of any possible implementation, in the sixth possible implementation of the first aspect, the gap of above-mentioned second identity pin and above-mentioned second grounding pin is less than or equal to 1 millimeter.
In conjunction with first aspect present invention, first aspect the first to the 6th kind of any possible implementation, in a seventh possible implementation of the first aspect, above-mentioned first interface is minitype USB interface, and above-mentioned second interface is USB interface.
In conjunction with the 7th kind of possible implementation of first aspect present invention, in the 8th kind of possible implementation of first aspect, above-mentioned first interface is miniature male seat USB interface；Alternatively, above-mentioned first interface is miniature base USB interface.
In conjunction with the 7th kind of possible implementation of first aspect present invention, in the 9th kind of possible implementation of first aspect, above-mentioned second interface is male seat USB interface；Alternatively, above-mentioned second interface is base USB interface.
Second aspect of the embodiment of the present invention provides a kind of USB connector, detection method, and the terminal device USB connector above-mentioned with any one of power 1~10 is connect characterized by comprising
Above-mentioned terminal device detects the state of the identification pin of the minitype USB interface of above-mentioned terminal device；
If above-mentioned terminal device detects that the level of the identification pin output of the minitype USB interface of above-mentioned terminal device becomes low level from high level, above-mentioned terminal device is the voltage pin power supply of the minitype USB interface of above-mentioned terminal device, so that above-mentioned terminal device is the USB device power supply for being connected to above-mentioned USB connector；Above-mentioned terminal device carries out USB enumeration；
If above-mentioned terminal device detects that the level of the identification pin output of the minitype USB interface of above-mentioned terminal device becomes high level from low level, above-mentioned terminal device stops the voltage pin power supply of the minitype USB interface for above-mentioned terminal device, is the USB device power supply for being connected to above-mentioned USB connector to disconnect above-mentioned terminal device.
In conjunction with second aspect of the present invention, in the first possible implementation of the second aspect, after above-mentioned terminal device carries out USB enumeration, the above method further include:
If the above-mentioned unsuccessful number of USB enumeration is greater than or equal to preset threshold, above-mentioned terminal device stops the voltage pin power supply of the minitype USB interface for above-mentioned terminal device, is the USB device power supply for being connected to above-mentioned USB connector to disconnect above-mentioned terminal device.
In conjunction with the first possible implementation of second aspect of the present invention, in a second possible implementation of the second aspect, after above-mentioned terminal device stops the voltage pin power supply of the minitype USB interface for above-mentioned terminal device, the above method further include:
Above-mentioned terminal device exports prompt information, and above-mentioned prompt information is for prompting user to plug the USB device for being connected to above-mentioned USB connector again.
It can be seen that, in USB connector provided by the invention, second identification pin of second interface is connected to the second grounding pin by USB device, when USB device is inserted into second interface, deformation occurs that the second identity pin is connect with the second grounding pin for second grounding pin, when USB device is extracted from second interface, the second grounding pin deformation disappears so that the second identity pin is disconnected with the second grounding pin.It can be seen that, when the first interface of USB connector and the minitype USB interface of terminal device connect, and USB connector second interface be not connected with USB device when, second identification pin of second interface is in vacant state, the GPIO port corresponding with ID pin of terminal device is still in high level state, terminal device is not USB device power supply, only when second interface connects USB device, second identification pin is connect with the second grounding pin, the GPIO port corresponding with ID pin of terminal device is placed in low level state by terminal device, the identification pin of the minitype USB interface of terminal device identification terminal equipment exports low level, terminal device is USB device power supply, and carry out USB enumeration, thereby reduce the power consumption of terminal device.
Technical solution in order to illustrate the embodiments of the present invention more clearly, embodiment and attached drawing needed to be used in the description of the prior art will be briefly described below, apparently, drawings in the following description are only some embodiments of the invention, for those of ordinary skill in the art, without any creative labor, other attached drawings be can also be obtained according to these attached drawings.
Fig. 1 is the schematic diagram of USB connector provided by the invention.
Fig. 2 is the line schematic diagram of the USB connector in Fig. 1.
Fig. 3 is the line schematic diagram of the USB connector in Fig. 1.
Fig. 4 is the line schematic diagram of the USB connector in Fig. 1.
Fig. 5 is the flow diagram of detection method provided by the invention.
In order to enable those skilled in the art to better understand the solution of the present invention, following will be combined with the drawings in the embodiments of the present invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, should fall within the scope of the present invention.
It is described in detail separately below.
Description and claims of this specification and term " first " in the attached drawing, " second ", " third " and " the 4th " etc. are not use to describe a particular order for distinguishing different objects.
Please also refer to Fig. 1-Fig. 4, USB connector 100 provided by the invention, including first interface 10 and second interface 20, first interface 10 includes the first data pin 11, second data pin 12, first grounding pin 13, first voltage pin 14 and the first identification pin 15, second interface 20 includes third data pin 21, 4th data pin 22, second grounding pin 23, second voltage pin 24 and the second identification pin 25, wherein, first data pin 11 is connect with third data pin 21, second data pin 12 is connect with the 4th data pin 22, first grounding pin 13 is connect with the second grounding pin 23, first voltage pin 14 is connect with second voltage pin 24, first identity pin 15 draws with the second identity Foot 25 connects, wherein, second identification pin 25 is connected to the second grounding pin 23 by USB device, when USB device is inserted into second interface 20, deformation occurs that the second identity pin 25 is connect with the second grounding pin 23 for second grounding pin 23, when USB device is extracted from second interface 20,23 deformation of the second grounding pin disappears so that the second identity pin 25 is disconnected with the second grounding pin 23.
Optionally, first interface 10 is minitype USB interface, and second interface 20 is USB interface.
Optionally, first interface 10 is miniature base USB interface；Alternatively, first interface 10 is miniature male seat USB interface.
Optionally, second interface 20 is base USB interface；Alternatively, second interface 20 is male seat USB interface.
Optionally, when second interface 20, which is in, is not inserted into USB device state, deformation occurs for the second grounding pin 23, and the second identity pin 25 is not connect with the second grounding pin 23, and the second identity pin 25 is in vacant state.For example, first interface 10 is connect with the minitype USB interface of terminal device, second interface 20 is not connected with USB device, second identity pin 25 is in vacant state, the GPIO port corresponding with ID pin of terminal device is still in high level state, the identification pin of the minitype USB interface of terminal device identification terminal equipment exports high level, and terminal device is not USB device power supply, without USB enumeration.Compared with prior art, the second identity pin 25 and the second grounding pin 23 of the second interface 20 of USB connector provided by the invention are not connected, when first interface 10
It is connect with the minitype USB interface of terminal device, when second interface 20 is not connected with USB device, terminal device identification id is drawn high, and terminal device is identified as from equipment, and terminal device is not USB device power supply, without USB enumeration, reduces the power consumption of terminal device.
Optionally, when second interface 20 is in insertion USB device state, deformation occurs for second grounding pin 23, second grounding pin 23 is connect with the grounding pin of the interface of above-mentioned USB device, second identity pin 25 and the connection of the second grounding pin 23, so that 25 shorted to earth of the second identity pin.For example, as shown in Figure 3 or Figure 4, when first interface 10 is connect with the minitype USB interface of terminal device, when second interface 20 connects USB device, second grounding pin 23 squeezes the second grounding pin 23 because of the grounding pin of the interface of USB device when USB device is inserted into second interface 20, deformation occurs for second grounding pin 23, so that the second grounding pin 23 is contacted with the second identity pin 25, so that 25 shorted to earth of the second identity pin.The GPIO port corresponding with ID pin of terminal device is placed in low level by terminal device, and terminal device identifies the identification pin output low level of the minitype USB interface of the terminal device, and terminal device is USB device power supply, and carries out USB enumeration.
Optionally, the shape of 25 pin of the second identity and the second grounding pin 23 is U-shaped.As shown in Figure 3.
Optionally, the shape of 25 pin of the second identity and the second grounding pin 23 is L-shaped.As shown in Figure 4.
Optionally, when second interface 20 is in insertion USB device state, deformation occurs for second grounding pin 23, the connection of the second identity pin 25 and the second grounding pin 23 and the grounding pin of the interface of above-mentioned USB device, so that 25 shorted to earth of the second identity pin.For example, as shown in Figure 2, when first interface 10 is connect with the minitype USB interface of terminal device, when second interface 20 connects USB device, second grounding pin 23 and the second identity pin 25 grounding pin of the interface of USB device when USB device insertion second interface 20 squeeze the second grounding pin 23 and the second identity pin 23 due to deformation occurs, so that the second grounding pin 23 and the second identity pin 25 are contacted with the grounding pin of the interface of USB device, so that 25 shorted to earth of the second identity pin.The GPIO port corresponding with ID pin of terminal device is placed in low level by terminal device, and terminal device identifies the identification pin output low level of the minitype USB interface of the terminal device, and terminal device is USB device power supply, and carries out USB enumeration.
Optionally, the gap of the second identity pin 25 and the second grounding pin 23 is less than or equal to 1 millimeter.
It can be seen that, in USB connector provided by the invention, second identification pin 25 of second interface 20 is connected to the second grounding pin 23 by USB device, when USB device is inserted into second interface 20, deformation occurs that the second identity pin 25 is connect with the second grounding pin 23 for second grounding pin 23, when USB device is extracted from second interface 20,23 deformation of the second grounding pin disappears so that the second identity pin 25 is disconnected with the second grounding pin 23.It can be seen that, when the first interface 10 of USB connector is connect with the minitype USB interface of terminal device, and the second interface 20 of USB connector is when being not connected with USB device, second identification pin 25 of second interface 20 is in vacant state, the GPIO port corresponding with ID pin of terminal device is still in high level state, terminal device is not USB device power supply, only when second interface 20 connects USB device, second identification pin 25 is connect with the second grounding pin 23, the GPIO port corresponding with ID pin of terminal device is placed in low level state by terminal device, the identification pin of the minitype USB interface of terminal device identification terminal equipment exports low level, terminal device is USB device power supply, and carry out USB enumeration, terminal is thereby reduced to set Standby power consumption.
Refer to Fig. 5, Fig. 5 be detection method provided by the invention specifically includes the following steps:
S501, terminal device detect the state of the identification pin of the minitype USB interface of the terminal device.
If S502, terminal device detect that the level of the identification pin output of the minitype USB interface of the terminal device becomes low level from high level, the terminal device is the voltage pin power supply of the minitype USB interface of the terminal device, so that the terminal device is the USB device power supply for being connected to the USB connector；The terminal device carries out USB enumeration.
If S503, the terminal device detect that the level of the identification pin output of the minitype USB interface of the terminal device becomes high level from low level, the terminal device stops the voltage pin power supply of the minitype USB interface for the terminal device, is the USB device power supply for being connected to the USB connector to disconnect the terminal device.
It should be noted that above-mentioned USB connector is USB connector disclosed by the embodiments of the present invention, and terminal device is connect with above-mentioned USB connector, and the associated description for being referred to above-described embodiment of the structure of above-mentioned USB connector, details are not described herein again.It is other similar or that terminal device can be made to realize is above-mentioned it is understood that detection method provided in an embodiment of the present invention can also be not limited to the structure of USB connector disclosed in Fig. 1-4
The structure of the USB connector of detection method is suitable for the embodiment of the present invention.
Specifically, terminal device is in vacant state in not connected USB connector, the identification pin of the minitype USB interface of terminal device, at this point, the level that the identification pin of the minitype USB interface of terminal device exports is high level.When the minitype USB interface of terminal device and the first interface of USB connector connect, and the second interface of USB connector with USB device when connecting, deformation occurs that the second identity pin of second interface is connect with the second grounding pin for second grounding pin of the second interface of USB connector, at this time, the identification pin shorted to earth of the minitype USB interface of terminal device identification terminal equipment, the GPIO port corresponding with ID pin of terminal device is placed in low level by terminal device, the level of the identification pin output of the minitype USB interface of terminal device identification terminal equipment becomes low level from high level, terminal device is USB device power supply, so that terminal device is the USB device power supply for being connected to USB connector, then terminal device carries out USB enumeration.
When USB device is extracted from the second interface of USB connector, second grounding pin deformation disappearance of the second interface of USB connector is so that the second identity pin of the second interface of USB connector is disconnected with the second grounding pin, at this time, the identification pin floating of the minitype USB interface of terminal device identification terminal equipment, the GPIO port corresponding with ID pin of terminal device is placed in high level by terminal device, the level of the identification pin output of the minitype USB interface of terminal device identification terminal equipment becomes high level from low level, terminal device stops the voltage pin power supply of the minitype USB interface for terminal device, it is to be connected to the USB device power supply of the USB connector with disconnected end equipment.
Wherein, above-mentioned terminal device can be mobile phone, tablet computer, laptop, palm PC, mobile internet device (MID, mobile internet device), wearable device (such as smartwatch (such as iwatch), Intelligent bracelet, pedometer etc.) or other terminal devices.
Wherein, USB device can be USB flash disk, hard disk, mobile phone, tablet computer, laptop, palm PC, mobile internet device (MID, mobile internet device) etc..
It can be seen that, since the second identification pin of the second interface of USB connector is connected to the second grounding pin by USB device, when the first interface of USB connector and the minitype USB interface of terminal device connect, and USB connector second interface be not connected with USB device when, second identification pin of second interface is in vacant state, the GPIO port corresponding with ID pin of terminal device is still in high level state, terminal device is not USB device power supply, without USB enumeration, USB device only is connected in second interface
When, second identification pin is connect with the second grounding pin, the GPIO port corresponding with ID pin of terminal device is placed in low level state by terminal device, the identification pin of the minitype USB interface of terminal device identification terminal equipment exports low level, terminal device is USB device power supply, and USB enumeration is carried out, thereby reduce the power consumption of terminal device.
Optionally, after terminal device carries out USB enumeration, further includes:
If the unsuccessful number of USB enumeration is greater than or equal to preset threshold, terminal device stops the voltage pin power supply of the minitype USB interface for terminal device, is to be connected to the USB device power supply of the USB connector with disconnected end equipment.
Wherein, above-mentioned preset threshold for example can be 1,2,3,5,6,7 or other values.
For example, since deformation occurs connect the second identity pin with the second grounding pin for the second grounding pin, the GPIO port corresponding with ID pin of terminal device is placed in low level state by terminal device, the identification pin of the minitype USB interface of terminal device identification terminal equipment exports low level, terminal device is USB device power supply, and carries out USB enumeration.If second interface connects USB device be problematic USB device, it is that cannot enumerate successfully that terminal device, which carries out USB enumeration, in this case, if terminal device USB enumeration always at this time, will increase the power consumption of terminal device.Therefore, in order to reduce the power consumption of terminal device, if the unsuccessful number of USB enumeration is greater than or equal to preset threshold, terminal device stop be the minitype USB interface of terminal device voltage pin power supply.
Optionally, terminal device is after stopping the voltage pin power supply of the minitype USB interface for terminal device, further includes:
Terminal device exports prompt information, and prompt information is for prompting user to plug the USB device for being connected to USB connector again.
Wherein, the mode of terminal device output prompt information can be short message prompting, and voice reminder or breath light are reminded；Etc..
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although the present invention is described in detail referring to the foregoing embodiments, those skilled in the art should understand that: it is still possible to modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；And these are modified or replaceed, the range for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (13)
- A kind of USB connector, it is characterized in that, including first interface and second interface, the first interface includes the first data pin, second data pin, first grounding pin, first voltage pin and the first identification pin, the second interface includes third data pin, 4th data pin, second grounding pin, second voltage pin and the second identification pin, first data pin is connected to the third data pin, second data pin is connected to the 4th data pin, first grounding pin is connected to second grounding pin, the first voltage pin is connected to the second voltage pin, the first identity pin is connected to the second identity pin, the second identity pin is connected to second grounding pin by USB device, work as USB When equipment is inserted into the second interface, deformation occurs that the second identity pin is connect with second grounding pin for second grounding pin, when USB device is extracted from the second interface, the second grounding pin deformation disappears so that the second identity pin is disconnected with second grounding pin.
- USB connector according to claim 1, it is characterized in that, when the second interface, which is in, is not inserted into USB device state, deformation occurs for second grounding pin, the second identity pin is not connect with second grounding pin, and the second identity pin is in vacant state.
- USB connector according to claim 1 or 2, it is characterized in that, when the second interface is in insertion USB device state, deformation occurs for second grounding pin, second grounding pin is connect with the grounding pin of the interface of the USB device, the second identity pin is connected with second grounding pin, so that the second identity pin shorted to earth.
- USB connector according to claim 1 or 2, it is characterized in that, when the second interface is in insertion USB device state, deformation occurs for second grounding pin, the connection of the grounding pin of the second identity pin and second grounding pin and the USB device, so that the second identity pin shorted to earth.
- USB connector according to claim 1-4, which is characterized in that the shape of the second identity pin and second grounding pin is U-shaped.
- USB connector according to claim 1-4, which is characterized in that the shape of the second identity pin and second grounding pin is L-shaped.
- USB connector according to claim 1-6, which is characterized in that described second The gap of identity pin and second grounding pin is less than or equal to 1 millimeter.
- USB connector according to claim 1-7, which is characterized in that the first interface is minitype USB interface, and the second interface is USB interface.
- USB connector according to claim 8, which is characterized in that the first interface is miniature male seat USB interface；Alternatively, the first interface is miniature base USB interface.
- USB connector according to claim 8, which is characterized in that the second interface is male seat USB interface；Alternatively, the second interface is base USB interface.
- A kind of detection method, terminal device are connect with 1~10 described in any item USB connectors of power characterized by comprisingThe terminal device detects the state of the identification pin of the minitype USB interface of the terminal device；If the terminal device detects that the level of the identification pin output of the minitype USB interface of the terminal device becomes low level from high level, the terminal device is the voltage pin power supply of the minitype USB interface of the terminal device, so that the terminal device is the USB device power supply for being connected to the USB connector；The terminal device carries out USB enumeration；If the terminal device detects that the level of the identification pin output of the minitype USB interface of the terminal device becomes high level from low level, the terminal device stops the voltage pin power supply of the minitype USB interface for the terminal device, is the USB device power supply for being connected to the USB connector to disconnect the terminal device.
- According to the method for claim 11, which is characterized in that after the terminal device carries out USB enumeration, the method also includes:If the unsuccessful number of USB enumeration is greater than or equal to preset threshold, the terminal device stops the voltage pin power supply of the minitype USB interface for the terminal device, is the USB device power supply for being connected to the USB connector to disconnect the terminal device.
- According to the method for claim 12, which is characterized in that after the terminal device stops the voltage pin power supply of the minitype USB interface for the terminal device, the method also includes:The terminal device exports prompt information, and the prompt information is for prompting user to plug the USB device for being connected to the USB connector again.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2015/098763 WO2017107147A1 (en) | 2015-12-24 | 2015-12-24 | Usb connector, and detection method |
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| CN108432066A true CN108432066A (en) | 2018-08-21 |
| CN108432066B CN108432066B (en) | 2020-09-29 |
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| CN104009354A (en) * | 2013-02-25 | 2014-08-27 | 华为终端有限公司 | Usb connector |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017107147A1 (en) | 2017-06-29 |
| CN108432066B (en) | 2020-09-29 |
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Effective date of registration: 20210430 Address after: Unit 3401, unit a, building 6, Shenye Zhongcheng, No. 8089, Hongli West Road, Donghai community, Xiangmihu street, Futian District, Shenzhen, Guangdong 518040 Patentee after: Honor Device Co.,Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |