CN205211382U - Show auto -change over device with quick charge function - Google Patents

Show auto -change over device with quick charge function Download PDF

Info

Publication number
CN205211382U
CN205211382U CN201520919833.8U CN201520919833U CN205211382U CN 205211382 U CN205211382 U CN 205211382U CN 201520919833 U CN201520919833 U CN 201520919833U CN 205211382 U CN205211382 U CN 205211382U
Authority
CN
China
Prior art keywords
electric current
display
port
usb
multimedia
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201520919833.8U
Other languages
Chinese (zh)
Inventor
张惠智
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nueteq Technology Inc
Original Assignee
Nueteq Technology Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nueteq Technology Inc filed Critical Nueteq Technology Inc
Priority to CN201520919833.8U priority Critical patent/CN205211382U/en
Application granted granted Critical
Publication of CN205211382U publication Critical patent/CN205211382U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a show auto -change over device with quick charge function, is coupled multimedia device, a plurality of display device and electron device, and at least one display device sees through and shows that auto -change over device connects multimedia device to carry out signal transmission with multimedia device, show that auto -change over device includes: power source end, USB connection port and power conversion module, power conversion module includes the detecting unit and electric current adjustment unit. Listen when filling the signal soon as the detecting unit, control current adjustment unit becomes the second electric current with a current switchover to via USB connection port output second electric current to electron device, do not listen when filling the signal soon as the detecting unit, control current adjustment unit via USB connection port output first electric current to electron device, and this second electric current is higher than this first electric current.

Description

There is the display switching device of quick-charge function
Technical field
The utility model is relevant to a kind of display switching device, and particularly a kind of display switching device with quick-charge function.
Background technology
In recent years, because portable electronic devices technology is fast-developing, consumer improves gradually for the use of portable electronic devices and degree of dependence, makes the necessity that portable electronic devices becomes indispensable in human lives now.And the market peripheral product that also active development portable electronic devices is relevant is to meet the various user demand of consumer.Except portable electronic devices, audio-visual multimedia entertainment industry also occupies certain proportion in consumer market, wherein integrates audio-visual source terminal about display switching device and also uses universal in general market and family with broadcasting display end.
For portable electronic devices, the problem of its ubiquity power supply deficiency.This means, namely need to charge after user uses portable electronic devices a period of time.And under the trend improved gradually in user's degree of dependence, the duration of charging certainly will need to shorten to meet consumer.Therefore the rapid nitriding of portable electronic devices shows the main development emphasis becoming relevant dealer.
Therefore, if can be integrated in display switching device by the rapid nitriding of portable electronic devices, user can charge to portable electronic devices utilizing display switching device to view and admire multimedia simultaneously.
Utility model content
The utility model embodiment provides a kind of display switching device with quick-charge function, couple multimedia device, multiple display device and an electronic installation, at least one display device is made to connect multimedia device, to carry out Signal transmissions with multimedia device through described display switching device.Described display switching device comprises power source end, USB (UniversalSerialBus) connectivity port and power transfer module.Power source end is in order to export one first electric current.Usb connecting port be electrically connected electronic installation, and in order to transmit produced by electronic installation fill signal soon.Power transfer module is coupled between power source end and usb connecting port, and receives the first electric current of power source end generation.Power transfer module comprises detecting unit and current adjustment unit.Detecting unit is electrically connected usb connecting port, and fills signal soon in order to whether to receive via usb connecting port detecting.Current adjustment unit is electrically connected on power source end, between usb connecting port and detecting unit.When detecting unit detect fill signal soon time, control current adjustment unit and convert the first electric current to second electric current, and export the second electric current to electronic installation via usb connecting port, and the second electric current is higher than the first electric current; Relatively, when detecting unit do not detect fill signal soon time, control current adjustment unit export the first electric current to electronic installation via usb connecting port.
Another embodiment of the utility model provides a kind of display switching device with quick-charge function, couples multiple multimedia device, at least one display device and electronic installation.Multiple multimedia device is made to connect display device, to carry out Signal transmissions with display device through described display switching device.Described display switching device comprises power source end, usb connecting port and power transfer module.Power source end is in order to export one first electric current.Usb connecting port be electrically connected electronic installation, and in order to transmit produced by electronic installation fill signal soon.Power transfer module is coupled between power source end and usb connecting port, and receives the first electric current.Power transfer module comprises detecting unit and current adjustment unit.Detecting unit is electrically connected usb connecting port, and fills signal soon in order to whether to receive via usb connecting port detecting.Current adjustment unit is electrically connected on power source end, between usb connecting port and detecting unit.When detecting unit detect fill signal soon time, control current adjustment unit and convert the first electric current to second electric current, and export the second electric current to electronic installation via usb connecting port, and the second electric current is higher than the first electric current; Relatively, when detecting unit do not detect fill signal soon time, control current adjustment unit export the first electric current to electronic installation via usb connecting port.
The utility model embodiment provides a kind of display switching device with quick-charge function, couple a multimedia device, multiple display device and an electronic installation, this display device at least one connects this multimedia device through this display switching device, to carry out Signal transmissions with this multimedia device, this display switching device comprises:
One power source end, in order to export one first electric current;
One usb connecting port, is electrically connected this electronic installation, and in order to transmit produced by this electronic installation one fill signal soon; And
One power transfer module, is coupled between this power source end and this usb connecting port, and receives this first electric current, and this power transfer module comprises:
One detecting unit, is electrically connected this usb connecting port, fills signal soon in order to whether to receive this via the detecting of this usb connecting port; And
One current adjustment unit, is electrically connected on this power source end, between this usb connecting port and this detecting unit;
Wherein, when this detecting unit detect this fill signal soon time, controls this current adjustment unit and convert this first electric current to one second electric current, and export this second electric current to this electronic installation via this usb connecting port, and this second electric current is higher than this first electric current;
Wherein, when this detecting unit do not detect this fill signal soon time, control this current adjustment unit and export this first electric current to this electronic installation via this usb connecting port.
Wherein, it more comprises a display controller, be coupled between this multimedia device and the plurality of display device, and receive the switching signal that representative switches this display device at least one, and according to this switching signal, this display device at least one is connected this multimedia device, to carry out Signal transmissions between this display device at least one and this multimedia device.
Wherein, this power source end is the power supply unit producing this first electric current, or this power source end is electrically connected to the external power device producing this first electric current.
Wherein, this usb connecting port is USB1.0 specification, USB2.0 specification, USB3.0 specification or USB3.1 specification.
Another embodiment of the utility model provides a kind of display switching device with quick-charge function, couple multiple multimedia device, at least one display device and an electronic installation, the plurality of multimedia device connects this display device through this display switching device, to carry out Signal transmissions with this display device, this display switching device comprises:
One power source end, in order to export one first electric current;
One usb connecting port, is electrically connected this electronic installation, and in order to transmit produced by this electronic installation one fill signal soon; And
One power transfer module, is coupled between this power source end and this usb connecting port, and receives this first electric current, and this power transfer module comprises:
One detecting unit, is electrically connected this usb connecting port, fills signal soon in order to whether to receive this via the detecting of this usb connecting port; And
One current adjustment unit, is electrically connected on this power source end, between this usb connecting port and this detecting unit;
Wherein, when this detecting unit detect this fill signal soon time, controls this current adjustment unit and convert this first electric current to one second electric current, and export this second electric current to this electronic installation via this usb connecting port, and this second electric current is higher than this first electric current;
Wherein when this detecting unit do not detect this fill signal soon time, control this current adjustment unit and export this first electric current to this electronic installation via this usb connecting port.
Wherein, it more comprises a display controller, be coupled between the plurality of multimedia device and this display device, and receive the switching signal that representative switches this multimedia device at least one, and according to this switching signal, this multimedia device at least one is connected this display device, to carry out Signal transmissions between this multimedia device at least one and this display device.
Wherein, this power source end is the power supply unit producing this first electric current, or this power source end is electrically connected to the external power device producing this first electric current.
Wherein, this usb connecting port is USB1.0 specification, USB2.0 specification, USB3.0 specification or USB3.1 specification.
Comprehensive the above, the display switching device that the utility model embodiment provides can provide electronic installation to charge.If electronic installation does not have when filling function soon, display switching device will carry out the charging of general speed to electronic installation with the first electric current.And if electronic installation has when filling function soon, display switching device carries out rapid charge by with the second electric current higher than the first electric current to electronic installation.In addition, display switching device can carry out Signal transmissions between a multimedia device and multiple display device, between multiple multimedia device and a display device or between multiple multimedia device and multiple display device.Accordingly, user can charge to portable electronic devices utilizing display switching device to view and admire multimedia simultaneously.
Feature of the present utility model and technology contents is further understood for enable, refer to following about detailed description of the present utility model and accompanying drawing, but these illustrate and institute's accompanying drawings is only used to the utility model is described, but not do any restriction to interest field of the present utility model.
Accompanying drawing explanation
Fig. 1 is the block schematic diagram of the display switching device of the utility model embodiment.
Fig. 2 is the block schematic diagram of the display switching device of another embodiment of the utility model.
Symbol description
100,200: display switching device
110,210: power source end
120,220: power transfer module
122: detecting unit
124: current adjustment unit
130,230:USB connectivity port
140,240: signal input port
150,250: display controller
160,260: signal output port
10: multimedia device
20: electronic installation
30: display device
40: external power device
A1, B1: the first electric current
A2, B2: the second electric current
Fc1, Fc2: fill signal soon
Tr1, Tr2: switching signal
Embodiment
Can allow to allow user and have the electronic installation filling function soon and carry out rapid charge, the utility model embodiment provides a kind of display switching device with quick-charge function.
In described display switching device, whether the detecting unit of power transfer module can be detected electronic installation and send and fill signal (namely detect electronic installation whether have fill function soon) soon.When detecting unit receive that electronic installation sends fill signal soon time, control current adjustment unit and the first electric current be adjusted to the second electric current higher than the first electric current, and export the second electric current to electronic installation via usb connecting port; Relatively, when detecting unit do not detect fill signal soon time, then control current adjustment unit export the first electric current to electronic installation via usb connecting port.
Hereinafter, protective device of the present utility model will be described in detail by graphic explanation various embodiment of the present utility model.But the utility model concept may embody in many different forms, and should not be construed as and be limited to set forth exemplary embodiments herein.In addition, same reference numbers can in order to assembly like representation class in the drawings.
[there is the embodiment of the display switching device of quick-charge function]
First, refer to Fig. 1, Fig. 1 is the block schematic diagram of the display switching device of the utility model embodiment.The display switching device of Fig. 1 comprises power source end 110, power transfer module 120, usb connecting port 130, signal input port 140, display controller 150 and multiple signal output port 160.Power source end 110 is in order to export the first electric current A1.Usb connecting port 130 is electrically connected electronic installation 20, and in order to transmit produced by electronic installation 20 fill signal Fc1 soon.Power transfer module 120 is coupled between power source end 110 and usb connecting port 130, and receives the first electric current A1.When power transfer module 120 detect fill signal Fc1 soon time, convert the first electric current A1 to second electric current A2, and export the second electric current A2 to electronic installation 20 via usb connecting port 130; Relatively, when power transfer module 120 do not detect fill signal Fc1 soon time, then export the first electric current A1 to electronic installation 20 via usb connecting port 130.Electronic installation 20 can be intelligent mobile phone, flat computer, personal digital assistant (PersonalDigitalAssistant, PDA) or other portable electronic devices etc., the embodiment of the utility model embodiment not limiting electronic device 20.
Furthermore, power transfer module 120 comprises detecting unit 122 and current adjustment unit 124.Detecting unit 122 is electrically connected usb connecting port 130, in order to detect via usb connecting port 130 whether have receive that electronic installation 20 sends fill signal Fc1 (namely detect electronic installation 20 whether have fill function soon) soon.Current adjustment unit 124 is electrically connected on power source end 110, between usb connecting port 130 and detecting unit 122.When detecting unit 122 detect fill signal Fc1 soon time, control current adjustment unit 124 and convert the first electric current A1 to second electric current A2, and export the second electric current A2 to electronic installation 20 via usb connecting port 130.And when detecting unit 122 do not detect fill signal Fc1 soon time, then control current adjustment unit 124 export the first electric current A1 to electronic installation 20 via usb connecting port 130.It should be noted that the second electric current A2 is higher than this first electric current A1, make detecting unit 122 in detect electronic installation 20 have fill function soon time, rapid charge can be carried out higher than second electric current of the first electric current A1 to electronic installation 20.Power source end 110 can be power supply unit, rechargeable battery device etc., and the utility model embodiment does not limit the embodiment of power source end 110.
In addition, usb connecting port 130 can be USB1.0 specification, USB2.0 specification, USB3.0 specification or USB3.1 specification, and the utility model embodiment does not limit the embodiment of usb connecting port 130.In the present embodiment, usb connecting port 130 comprises 4 pins, be respectively pin 1, pin 2, pin 3, pin 4 (be not plotted in graphic in), pin 1 is power pin (+5V), pin 2 is data pin (Data-), pin 3 is another data pin (Data+), and pin 4 is ground connection pin; Pin 1 and pin 4 are in order to provide power supply; Pin 2 and pin 3, in order to transmit signal data, transmit in the mode of twisted-pair feeder, use semiduplex differential wave separately and collaborative work.
In addition, the first electric current that the utility model embodiment proposes is 400mA ~ 600mA, and the second electric current A2 can be 800mA ~ 2000mA.And the size of current of the first electric current and the second electric current can adjust according to actual state, the utility model is not restricted this.For example, when electronic installation 20 is connected with display switching device 100 through usb connecting port 130, whether the detecting unit 122 of power transfer module 120 can be detected electronic installation 20 and send and fill signal Fc1 soon, fills function soon to judge whether electronic installation 20 itself has further.When detecting unit 122 detect fill signal Fc1 (represent electronic installation 20 have fill function soon) soon time, control current adjustment unit 124 and first electric current A1 is adjusted to the second electric current A2, for example, thered is provided by power source end 110 500 milliamperes (mA) to be adjusted to 2 amperes (A), and export 2 amperes to electronic installation 20 via usb connecting port; Relatively, when detecting unit 122 do not detect fill signal Fc1 (represent electronic installation do not possess fill function soon) soon time, then the 500mA that power source end 110 directly provides by current adjustment unit 124 exports to electronic installation 20 via usb connecting port.Generally speaking, the utility model embodiment does not limit the embodiment of the first electric current A1 and the second electric current A2.
In addition, signal input port 140 is coupled between multimedia device 10 and display controller 150.Multiple signal output port 160 is respectively coupled between display controller 150 and display device 30.Therefore, when display controller 150 receives control signal Tr1, the connection between multimedia device 10 and display device 30 will be controlled according to control signal Tr1.
In other words, display controller 150 connects one of them display device 30 and multimedia device 10 according to control signal Tr1.The multimedia device 10 connected transmits display to display controller 150 through signal input port 140, and then display is sent to connected display device 30 via signal output port 160 according to control signal Tr1 by display controller 150 again.Described multimedia device 10 can be top box of digital machine, digital antenna signal receiving box, DVD audio and video player, video signal player etc., and display device 30 then can be equipment such as image output such as negative electrode iconoscope (CRT) screen or LCD screen etc.Described signal input port 140 is AV terminal (Compositevideoconnector, also known as composite terminal) with signal output port 160.
Thus, the display switching device that the utility model embodiment proposes effectively can reach the charging to electronic installation, if electronic installation itself has fill function soon, display switching device converts larger electric current (i.e. the second electric current A2) to and carries out rapid charge to electronic installation, if electronic installation itself does not have fill function soon, display switching device then generally charges to electronic installation with general electric current (i.e. the first electric current A1).In addition, the display switching device that the utility model embodiment proposes can switch for the connection between multimedia device and display device, with the convenience promoting multi-media signal transmission and switch.
[there is another embodiment of the display switching device of quick-charge function]
Refer to Fig. 2, Fig. 2 is the block schematic diagram of the display switching device of another embodiment of the utility model.The display switching device 200 of Fig. 2 comprises power source end 210, power transfer module 220, usb connecting port 230, multiple signal input port 240, display controller 250 and at least one signal output port 260.Power source end 210 couples external power device 40, and the power supply signal in order to be provided by external power device 40 converts the first electric current B1 to and exports power transfer module 220 to.Usb connecting port 230 is electrically connected electronic installation 20, and in order to transmit produced by electronic installation 20 fill signal Fc2 soon.Power transfer module 220 is coupled between power source end 210 and usb connecting port 230, and receives the first electric current B1.Correlative detail about power transfer module 220 describes in detail in the detecting unit 122 of Fig. 1 power transfer module 120 with current adjustment unit 124, therefore does not repeat for this reason at this.Therefore, when power transfer module 220 detect fill signal Fc2 (represent electronic installation 20 have fill function soon) soon time, convert the first electric current B1 to second electric current B2, and export the second electric current B2 to electronic installation 20 via usb connecting port 230; Relatively, when power transfer module 220 do not detect fill signal Fc2 (represent electronic installation 20 do not have fill function soon) soon time, export the first electric current B1 to electronic installation 20 via usb connecting port 230.Electronic installation 20 can be intelligent mobile phone, flat computer, personal digital assistant (PersonalDigitalAssistant, PDA) or other portable electronic devices etc., the embodiment of the utility model embodiment not limiting electronic device 20.
Power source end 210 can be internal electric source supply, rechargeable battery device etc., and the utility model embodiment does not limit the embodiment of power source end 210.Correlative detail separately about usb connecting port 230, first electric current B1 and the second electric current B2 describes in detail in above-mentioned Fig. 1 embodiment, does not repeat for this reason at this.
Compared to previous embodiment, multiple signal input port 240 is respectively coupled between multiple multimedia device 10 and display controller 250.Multiple signal output port 260 is respectively coupled between display controller 250 and multiple display device 30.When display controller 250 receives control signal Tr2, the connection between multiple multimedia device 10 and multiple display device 30 will be controlled according to control signal Tr2.And the quantity of display device 30 also can be one, to be coupled to display controller 250 through a certain signal output port 260.Therefore when display controller 250 receives control signal Tr2, the connection between multiple multimedia device 10 and display device 30 will be controlled according to control signal Tr2.
In other words, the display control unit 200 that the utility model embodiment proposes can be that display controller 250 connects one of them multimedia device 10 and one of them display device 30 according to control signal Tr2.The multimedia device 10 connected transmits display to display controller 250 through signal input port 240, and then display is sent to connected display device 30 via signal output port 260 according to control signal Tr2 by display controller 250 again.Described multimedia device 10 can be top box of digital machine, digital antenna signal receiving box, DVD audio and video player, video signal player etc., and display device 30 then can be equipment such as image output such as negative electrode iconoscope (CRT) screen or LCD screen etc.Described signal input port 240 is AV terminal (Compositevideoconnector, also known as composite terminal) with signal output port 260.
Thus, the display switching device that the utility model embodiment proposes effectively can reach the charging to electronic installation, if electronic installation itself has fill function soon, display switching device converts larger electric current (i.e. the second electric current B2) to and carries out rapid charge to electronic installation, if electronic installation itself does not have fill function soon, display switching device then generally charges to electronic installation with general electric current (i.e. the first electric current B1).In addition, the display switching device that the utility model embodiment proposes can switch for the connection between multimedia device and display device, with the convenience promoting multi-media signal transmission and switch.
The foregoing is only embodiment of the present utility model, it is also not used to limit to the scope of the claims of the present utility model.

Claims (8)

1. one kind has the display switching device of quick-charge function, couple a multimedia device, multiple display device and an electronic installation, this display device at least one connects this multimedia device through this display switching device, to carry out Signal transmissions with this multimedia device, it is characterized in that, this display switching device comprises:
One power source end, in order to export one first electric current;
One usb connecting port, is electrically connected this electronic installation, and in order to transmit produced by this electronic installation one fill signal soon; And
One power transfer module, is coupled between this power source end and this usb connecting port, and receives this first electric current, and this power transfer module comprises:
One detecting unit, is electrically connected this usb connecting port, fills signal soon in order to whether to receive this via the detecting of this usb connecting port; And
One current adjustment unit, is electrically connected on this power source end, between this usb connecting port and this detecting unit;
Wherein, when this detecting unit detect this fill signal soon time, controls this current adjustment unit and convert this first electric current to one second electric current, and export this second electric current to this electronic installation via this usb connecting port, and this second electric current is higher than this first electric current;
Wherein, when this detecting unit do not detect this fill signal soon time, control this current adjustment unit and export this first electric current to this electronic installation via this usb connecting port.
2. display switching device as claimed in claim 1, it is characterized in that, it more comprises a display controller, be coupled between this multimedia device and the plurality of display device, and receive the switching signal that representative switches this display device at least one, and according to this switching signal, this display device at least one is connected this multimedia device, to carry out Signal transmissions between this display device at least one and this multimedia device.
3. display switching device as claimed in claim 1, is characterized in that, this power source end is the power supply unit producing this first electric current, or this power source end is electrically connected to the external power device producing this first electric current.
4. display switching device as claimed in claim 1, it is characterized in that, this usb connecting port is USB1.0 specification, USB2.0 specification, USB3.0 specification or USB3.1 specification.
5. one kind has the display switching device of quick-charge function, couple multiple multimedia device, at least one display device and an electronic installation, the plurality of multimedia device connects this display device through this display switching device, to carry out Signal transmissions with this display device, it is characterized in that, this display switching device comprises:
One power source end, in order to export one first electric current;
One usb connecting port, is electrically connected this electronic installation, and in order to transmit produced by this electronic installation one fill signal soon; And
One power transfer module, is coupled between this power source end and this usb connecting port, and receives this first electric current, and this power transfer module comprises:
One detecting unit, is electrically connected this usb connecting port, fills signal soon in order to whether to receive this via the detecting of this usb connecting port; And
One current adjustment unit, is electrically connected on this power source end, between this usb connecting port and this detecting unit;
Wherein, when this detecting unit detect this fill signal soon time, controls this current adjustment unit and convert this first electric current to one second electric current, and export this second electric current to this electronic installation via this usb connecting port, and this second electric current is higher than this first electric current;
Wherein when this detecting unit do not detect this fill signal soon time, control this current adjustment unit and export this first electric current to this electronic installation via this usb connecting port.
6. display switching device as claimed in claim 5, it is characterized in that, it more comprises a display controller, be coupled between the plurality of multimedia device and this display device, and receive the switching signal that representative switches this multimedia device at least one, and according to this switching signal, this multimedia device at least one is connected this display device, to carry out Signal transmissions between this multimedia device at least one and this display device.
7. display switching device as claimed in claim 5, is characterized in that, this power source end is the power supply unit producing this first electric current, or this power source end is electrically connected to the external power device producing this first electric current.
8. display switching device as claimed in claim 5, it is characterized in that, this usb connecting port is USB1.0 specification, USB2.0 specification, USB3.0 specification or USB3.1 specification.
CN201520919833.8U 2015-11-18 2015-11-18 Show auto -change over device with quick charge function Active CN205211382U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520919833.8U CN205211382U (en) 2015-11-18 2015-11-18 Show auto -change over device with quick charge function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520919833.8U CN205211382U (en) 2015-11-18 2015-11-18 Show auto -change over device with quick charge function

Publications (1)

Publication Number Publication Date
CN205211382U true CN205211382U (en) 2016-05-04

Family

ID=55849084

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520919833.8U Active CN205211382U (en) 2015-11-18 2015-11-18 Show auto -change over device with quick charge function

Country Status (1)

Country Link
CN (1) CN205211382U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109861038A (en) * 2018-12-11 2019-06-07 苏州佳世达电通有限公司 It can automatically switch the USB Port and its control method of connection mode

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109861038A (en) * 2018-12-11 2019-06-07 苏州佳世达电通有限公司 It can automatically switch the USB Port and its control method of connection mode

Similar Documents

Publication Publication Date Title
CN108718020B (en) Concentrator
CN102255346A (en) Portable electronic device
CN101833526B (en) Electronic system and method for supporting host function
CN205029143U (en) USBType -C conversion module
CN107707000A (en) A kind of OTG power supplies and wireless charging compatible circuit and correlation technique and terminal device
CN205015832U (en) Multicomputer auto -change over device with quick charge function
CN205377389U (en) Quick charging device of mobile terminal and system
CN205178219U (en) Can accelerate micro USB line of USB speed of charging
CN205211382U (en) Show auto -change over device with quick charge function
CN207652075U (en) A kind of OTG power supply and wireless charging compatible circuit and terminal device
CN108683236A (en) A kind of mobile terminal OTG charging methods and device
CN203520878U (en) Multifunctional U disk
CN209786836U (en) Intelligence bluetooth headset storehouse of charging
CN204858641U (en) Charger data line and charger
CN201985408U (en) Rechargeable data cable
EP2383860B1 (en) Rapid charging apparatus
CN207516993U (en) A kind of Interface Expanding circuit and device
CN205911544U (en) Portable removal charger data line
CN202373825U (en) Charging connection device
TWM522506U (en) Display switching device with rapid charging function
CN102055117B (en) The method of attachment of socket device and socket device thereof
CN202309912U (en) Digital television receiver without batteries
CN202602031U (en) A usb switching device
CN203537023U (en) A mobile power supply and a charging system
CN209151360U (en) A kind of accessory of mobile device

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model