CN203520878U - Multifunctional U disk - Google Patents

Multifunctional U disk Download PDF

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Publication number
CN203520878U
CN203520878U CN201320604953.XU CN201320604953U CN203520878U CN 203520878 U CN203520878 U CN 203520878U CN 201320604953 U CN201320604953 U CN 201320604953U CN 203520878 U CN203520878 U CN 203520878U
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China
Prior art keywords
splicing ear
data line
line splicing
disk
multifunctional
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CN201320604953.XU
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Chinese (zh)
Inventor
杨晓斌
胡宏辉
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Shenzhen Netcom Electronics Co Ltd
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Shenzhen Netcom Electronics Co Ltd
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Priority to CN201320604953.XU priority Critical patent/CN203520878U/en
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Publication of CN203520878U publication Critical patent/CN203520878U/en
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Abstract

The utility model provides a multifunctional U disk. The multifunctional U disk comprises a USB (universal serial bus) interface, a control module, a memory module, a switch module and secondary interfaces, wherein both the USB interface and the control module comprise power line connection terminals, ground line connection terminals and positive and negative data line connection terminals; besides, the USB interface also comprises a detection line connection terminal connected with a ground line via the switch module; the secondary interfaces at least comprise power line connection terminals and ground line connection terminals; each connection terminal of the control module is electrically connected with corresponding connection terminals of the USB interface and the secondary interfaces respectively; when detecting that the switch module electrically connects the detection line connection terminal with the ground line, external OTG (on-the-go) equipment can supply power and transmit data to the multifunctional U disk via the USB interface; otherwise, an external power supply or main equipment can supply power to the external OTG equipment via the secondary interfaces. When connected with the OTG equipment such as mobile phones and the like, the multifunctional U disk can be utilized to conveniently charge the OTG equipment such as mobile phones and the like and is unnecessary to be unplugged.

Description

Multifunctional U disk
[technical field]
The utility model relates to a kind of memory device, particularly relates to a kind of Multifunctional U disk.
[background technology]
Mobile phone is due to the restriction of volume, generally only be provided with a Micro USB interface, this Micro USB interface while is as data transmission interface and the charging inlet of mobile phone, while being connected with mobile phone USB flash disk in the Micro USB interface on described mobile phone, when mobile phone does not have electricity, need to pull up mobile phone USB flash disk, plug charging wire charged to mobile phone after, then pull up charging wire, plug mobile phone USB flash disk, mobile phone could be accessed the content in mobile phone USB flash disk again, and whole process wastes time and energy very much, is not easy to user's use.
[utility model content]
In view of above-mentioned condition, be necessary to provide a kind of Multifunctional U disk, make the convenient charging when being connected with this Multifunctional U disk of the OTG equipment such as mobile phone.
A Multifunctional U disk, comprising:
The USB interface that comprises the first power lead splicing ear, the first ground wire splicing ear, the first correction data line splicing ear and the first negative data line splicing ear;
Comprise second source line splicing ear, the second ground wire splicing ear, the control module of the second correction data line splicing ear and the second negative data line splicing ear, described second source line splicing ear, described the second ground wire splicing ear, described the second correction data line splicing ear and described the second negative data line splicing ear pass through respectively power lead, ground wire, correction data line and negative data line respectively with described the first power lead splicing ear, described the first ground wire splicing ear, described the first correction data line splicing ear and described the first negative data line splicing ear are electrically connected to, described control module can control described USB interface and outside OTG equipment carries out data transmission and delivery of electrical energy,
Be electrically connected to described control module, for storing the memory module of data;
Described USB interface also comprises detection line splicing ear, and described Multifunctional U disk also comprises:
One end and the switch module that described detection line splicing ear is electrically connected to, the other end is electrically connected to described ground wire, described switch module is for controlling conducting and the disconnection of described detection line splicing ear and described ground wire;
The satellite interface that at least comprises the 3rd power lead splicing ear and the 3rd ground wire splicing ear, described the 3rd power lead splicing ear is electrically connected to described power lead, and described the 3rd ground wire splicing ear is electrically connected to described ground wire;
Wherein, when described outside OTG equipment Inspection conducts described detection line splicing ear and described ground wire to described switch module, described outside OTG equipment can be given described Multifunctional U disk power supply and be carried out data transmission by described USB interface; When described switch module is arrived in described outside OTG equipment Inspection by described detection line splicing ear and the disconnection of described ground wire, external power source or main equipment can be powered by the described satellite interface pair described outside OTG equipment being connected with described USB interface.
Above-mentioned Multifunctional U disk selects detection line splicing ear and ground wire conduct or disconnect by switch module, the outside OTG equipment such as mobile phone is when connecting Multifunctional U disk, only need gauge tap module, detection line splicing ear and ground wire are disconnected, and by satellite interface, connect the main equipments such as external power source or computer, thereby can be in the situation that not plugging Multifunctional U disk, to outside OTG equipment charges such as mobile phones; After charged, then gauge tap module sets up the electric connection of detection line splicing ear and ground wire, do not need plug charging wire, and the external units such as mobile phone can carry out data read-write operation to Multifunctional U disk again again.Therefore,, during the OTG equipment connections such as above-mentioned Multifunctional U disk and mobile phone, can also utilize this Multifunctional U disk easily to outside OTG equipment charges such as mobile phones, without pulling up this Multifunctional U disk.
In an embodiment, also comprise mode switch therein;
Described satellite interface also comprises the 3rd correction data line splicing ear and the 3rd negative data line splicing ear, and described the 3rd correction data line splicing ear is electrically connected to described correction data line, and described the 3rd negative data line splicing ear is electrically connected to described negative data line;
The described second correction data line splicing ear of described control module and described the second negative data line splicing ear are electrically connected to the described first correction data line splicing ear of described USB interface and the 3rd correction data line splicing ear of the first negative data line splicing ear and described satellite interface and described the 3rd negative data line splicing ear respectively by described mode switch;
Wherein, when described USB interface sky connects, described Multifunctional U disk can carry out data transmission by described satellite interface, usings and uses as common U disk, when detecting described satellite interface, described control module connects described main equipment, when described USB interface is connected to described outside OTG equipment, described mode switch is by the described first correction data line splicing ear of the described second correction data line splicing ear of described control module and described the second negative data line splicing ear and described USB interface and the first negative data line splicing ear, and the 3rd correction data line splicing ear of described satellite interface and described the 3rd negative data line splicing ear are when disconnect, described main equipment carries out data transmission by described satellite interface and described USB interface and described outside OTG equipment.
In an embodiment, described mode switch is mechanical switch, by manual operation, controls described mode switch therein;
Or described mode switch is electronic switch, and controlled by described control module.
Therein in an embodiment, described satellite interface also comprises the 3rd correction data line splicing ear and the 3rd negative data line splicing ear, described the 3rd correction data line splicing ear is electrically connected to described correction data line, and described the 3rd negative data line splicing ear is electrically connected to described negative data line;
Described control module is directly controlled described the second correction data line splicing ear and the described first correction data line splicing ear of described the second negative data line splicing ear and described USB interface and the 3rd correction data line splicing ear of the first negative data line splicing ear and described satellite interface and described the 3rd negative data line splicing ear and is conducted or disconnect;
Wherein, when described USB interface sky connects, described Multifunctional U disk carries out data transmission by described satellite interface, usings and uses as common U disk, when detecting described satellite interface, described control module connects described main equipment, when described USB interface is connected to described outside OTG equipment, described control module is controlled described the first correction data line splicing ear and the first negative data line splicing ear of described the second correction data line splicing ear and described the second negative data line splicing ear and described USB interface, and the 3rd correction data line splicing ear of described satellite interface and described the 3rd negative data line splicing ear are when disconnect, described main equipment carries out data transmission by described satellite interface and described USB interface and described outside OTG equipment.
In an embodiment, described USB interface is A type USB male joint, Type B USB male joint, A type Micro-USB male joint, Type B Micro-USB male joint, the Mini-USB male joint of A type or Type B Mini-USB male joint therein.
In an embodiment, described satellite interface is A type USB female joint, Type B USB female joint, A type Mini-USB female joint, Type B Mini-USB female joint, the Micro-USB female joint of A type or Type B Micro-USB female joint therein.
In an embodiment, described control module is control integration circuit chip or control integration circuit crystal grain therein.
In an embodiment, described memory module is for storage integrated circuit (IC) chip, storage integrated circuit crystal grain or comprised the integrated circuit (IC) chip of storing integrated circuit crystal grain and control integration circuit crystal grain simultaneously therein.
Therein in an embodiment, when described switch module disconnects described detection line splicing ear and described ground wire, described detection line splicing ear sky connects or described detection line splicing ear is electrically connected to described power lead.
In an embodiment, described switch module is mechanical switch, by manual operation, controls described switch module therein;
Or described switch module is electronic switch, and controlled by described control module.
[accompanying drawing explanation]
Fig. 1 is the circuit module figure of the Multifunctional U disk of the utility model embodiment one;
Fig. 2 is the circuit module figure of the Multifunctional U disk of the utility model embodiment two.
[embodiment]
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully.In accompanying drawing, provided preferred embodiment of the present utility model.But the utility model can be realized in many different forms, be not limited to embodiment described herein.On the contrary, providing the object of these embodiment is to make to the understanding of disclosure of the present utility model more thoroughly comprehensively.
It should be noted that, when an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology of using are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present utility model with scientific terminology.The term using in instructions of the present utility model herein, just in order to describe the object of specific embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Refer to Fig. 1, the Multifunctional U disk 100 of embodiments of the present invention one, comprises usb 1 10, control module 120, memory module 130, switch module 140 and satellite interface 150.In illustrated embodiment, each terminals of connecting wire of usb 1 10, control module 120, satellite interface 150 for convenience of description, with " VBUS ", represent power lead splicing ear, " GND " represents ground wire splicing ear, " D+ " represents correction data line splicing ear, " D-" represents negative data line splicing ear, and " ID " represents detection line splicing ear.
Usb 1 10 comprises the first power lead splicing ear, the first ground wire splicing ear, the first correction data line splicing ear, the first negative data line splicing ear and detection line splicing ear.Usb 1 10 can be A type USB male joint, Type B USB male joint, A type Micro-USB male joint, Type B Micro-USB male joint, the Mini-USB male joint of A type or Type B Mini-USB male joint.
Control module 120 comprises second source line splicing ear, the second ground wire splicing ear, the second correction data line splicing ear and the second negative data line splicing ear.Second source line splicing ear, the second ground wire splicing ear, the second correction data line splicing ear and the second negative data line splicing ear are electrically connected to the first power lead splicing ear, the first ground wire splicing ear, the first correction data line splicing ear and the first negative data line splicing ear respectively by power lead, ground wire, correction data line and negative data line respectively.Control module 120 can be controlled usb 1 10 and outside OTG(On-The-Go) equipment carries out data transmission and delivery of electrical energy.Control module 120 can be control integration circuit chip or control integration circuit crystal grain.Outside OTG equipment can be mobile phone, panel computer, digital camera etc.
Memory module 130 is electrically connected to control module 120, for storing data.Memory module 130 can or comprise the integrated circuit (IC) chip of storing integrated circuit crystal grain and control integration circuit crystal grain for storage integrated circuit (IC) chip, storage integrated circuit crystal grain simultaneously.
Switch module 140 one end are electrically connected to the detection line splicing ear of usb 1 10, and the other end is electrically connected to ground wire, for controlling conducting and the disconnection of detection line splicing ear and the ground wire of usb 1 10.For example, when switch module 140 disconnects the detection line splicing ear of usb 1 10 and ground wire, detection line splicing ear sky connects or is electrically connected to power lead.
In other words, the detection line splicing ear of one end of switch module 140 and usb 1 10 is electrically connected, the other end selects sky to connect (can be to be also electrically connected with power lead) according to user's needs, or be electrically connected with ground wire, thereby make detection line splicing ear sky connect (or set up and be electrically connected with power lead) or set up and be electrically connected with ground wire.Generally, the other end of switch module 140 and ground wire are electrically connected.
It should be noted that, switch module 140 can be mechanical switch or electronic switch.When switch module 140 is mechanical switch, can manually operate; When switch module 140 is electronic switch, by control module 120 gauge tap modules 140.
Satellite interface 150 at least comprises the 3rd power lead splicing ear and the 3rd ground wire splicing ear, and the 3rd power lead splicing ear is electrically connected to power lead, and the 3rd ground wire splicing ear is electrically connected to ground wire.Satellite interface 150 can be A type USB female joint, Type B USB female joint, A type Mini-USB female joint, Type B Mini-USB female joint, the Micro-USB female joint of A type or Type B Micro-USB female joint.
Wherein, when outside OTG equipment Inspection conducts detection line splicing ear and ground wire to switch module 140, outside OTG equipment can be given Multifunctional U disk 100 power supplies and be carried out data transmission by usb 1 10; When switch module 140 is arrived in outside OTG equipment Inspection by detection line splicing ear and ground wire disconnection, external power source or main equipment can be powered by 150 pairs of outside OTG equipment that are connected with usb 1 10 of satellite interface.
Above-mentioned Multifunctional U disk 100 is provided with satellite interface 150 and usb 1 10, control module 120 is electrically connected to satellite interface 150 and usb 1 10 respectively, satellite interface 150 at least comprises the 3rd power lead splicing ear and the 3rd ground wire splicing ear, usb 1 10 comprises the first power lead splicing ear, the first correction data line splicing ear, the first negative data line splicing ear, the first ground wire splicing ear and detection line splicing ear, each corresponding splicing ear of each splicing ear of satellite interface 150 and usb 1 10 and control module 120 is electrically connected, , power lead splicing ear and power lead splicing ear are electrically connected, ground wire splicing ear and ground wire splicing ear are electrically connected, correction data line splicing ear and correction data line splicing ear are electrically connected, negative data line splicing ear and negative data line splicing ear are electrically connected.
Usb 1 10 and outside OTG equipment when Multifunctional U disk 100, while connecting as the interface matching on mobile phone, because detection line splicing ear is generally connected with ground wire, therefore detection line splicing ear is low level, it is after low level that mobile phone detects level on detection line, think that Multifunctional U disk 100 is from equipment, mobile phone gives Multifunctional U disk 100 power supplies as main equipment, and can be to carrying out data read-write operation in Multifunctional U disk 100; When mobile phone does not have electricity, by switch module 140, detection line splicing ear sky is connect or set up and be electrically connected with power lead, and by satellite interface 150, be connected to the main equipments such as external power source or computer, after mobile phone detects that detection line splicing ear sky connects or is electrically connected with power lead, acquiescence mobile phone is from equipment, thereby external power source or main equipment are charged to mobile phone.
Refer to Fig. 2, the Multifunctional U disk 200 of embodiment two of the present utility model is substantially similar to the Multifunctional U disk 100 of embodiment one, its difference is: the Multifunctional U disk 200 of embodiment two also comprises mode switch 260, and satellite interface 250 also comprises the 3rd correction data line splicing ear and the 3rd negative data line splicing ear.
Mode switch 260 can be mechanical switch or electronic switch.When mode switch 260 is mechanical switch, can manually operate; When mode switch 260 is electronic switch, by control module 120 control model switches 260.
The 3rd correction data line splicing ear of satellite interface 250 is electrically connected to correction data line, and the 3rd negative data line splicing ear of satellite interface 250 is electrically connected to negative data line.The second correction data line splicing ear of control module 120 and the second negative data line splicing ear are electrically connected to the first correction data line splicing ear of usb 1 10 and the 3rd correction data line splicing ear of the first negative data line splicing ear and satellite interface 250 and the 3rd negative data line splicing ear respectively by mode switch 260.
Wherein, when USB interface 210 skies connect, Multifunctional U disk 200 can carry out data transmission by satellite interface 250, using and use as common U disk, that is, when USB interface 210 skies connect, satellite interface 250 is while connecting main equipment, Multifunctional U disk 200 is directly defaulted as from equipment and carries out data transmission; When control module 220 detects satellite interface 250 and connects main equipments, USB interface 210 and be connected to outside OTG equipment, when mode switch 260 disconnects the 3rd correction data line splicing ear of the first correction data line splicing ear of the second correction data line splicing ear of control module 220 and the second negative data line splicing ear and USB interface 210 and the first negative data line splicing ear and satellite interface 250 and the 3rd negative data line splicing ear, main equipment carries out data transmission by satellite interface 250 and USB interface 210 with outside OTG equipment.
It should be noted that, mode switch 260 also can omit, and now, can directly be controlled by control module 220 conducting and the disconnection of the second correction data line splicing ear and the second negative data line splicing ear and USB interface 210 and satellite interface 250 corresponding splicing ears.For example, the electric connection between satellite interface 250 and USB interface 210 and the positive and negative data line of control module 220 also can realize by the software program in control module 220 by burning, or, in control module 220, be embedded in on-off circuit and realize.
The Multifunctional U disk 200 of embodiment two, by increasing positive and negative data line connection terminal, makes Multifunctional U disk 200 except can doing charging wire use, can also use as data line.When main equipment, USB interface 210 skies such as satellite interface 250 connection computers connect, Multifunctional U disk 200 can be used as common U disk and uses; When detecting satellite interface 250, control module 220 connects the main equipments such as computer, when USB interface 210 connects the outside OTG equipment such as mobile phone, the electric connection that control module 220 is broken between satellite interface 250 and USB interface 210 and the positive and negative data line of control module 220 by mode switch 260, thus the main equipments such as computer can be by the data of storing in the outside OTG equipment such as Multifunctional U disk 200 access mobile phones.
Generally, during the outside OTG equipment connections such as above-mentioned Multifunctional U disk and mobile phone, this Multifunctional U disk is as from equipment, and the outside OTG equipment such as mobile phone is powered to Multifunctional U disk as main equipment, and can carry out data read-write operation to this Multifunctional U disk; When the outside OTG equipment such as mobile phone need to charge, by switch module, detection line splicing ear sky is connect or is connected with power lead, and by satellite interface, connect the main equipments such as power supply or computer just can be to outside OTG equipment charges such as mobile phones, whole process does not need this Multifunctional U disk of plug, easy to use; This Multifunctional U disk connects the main equipments such as computer at satellite interface, when USB interface connects the outside OTG equipment such as mobile phone, can also serve as the data line between the outside OTG equipment such as the main equipments such as computer and mobile phone, make the main equipments such as computer can access the data in outside OTG equipment.
Above-mentioned Multifunctional U disk selects detection line splicing ear and ground wire conduct or disconnect by switch module, the outside OTG equipment such as mobile phone is when connecting Multifunctional U disk, only need gauge tap module, detection line splicing ear and ground wire are disconnected, and by satellite interface, connect the main equipments such as external power source or computer, thereby can be in the situation that not plugging Multifunctional U disk, to outside OTG equipment charges such as mobile phones; After charged, then gauge tap module sets up the electric connection of detection line splicing ear and ground wire, do not need plug charging wire, and the external units such as mobile phone can carry out data read-write operation to Multifunctional U disk again again.Therefore,, during the OTG equipment connections such as above-mentioned Multifunctional U disk and mobile phone, can also utilize this Multifunctional U disk easily to outside OTG equipment charges such as mobile phones, without pulling up this Multifunctional U disk.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.

Claims (10)

1. a Multifunctional U disk, comprising:
The USB interface that comprises the first power lead splicing ear, the first ground wire splicing ear, the first correction data line splicing ear and the first negative data line splicing ear;
Comprise second source line splicing ear, the second ground wire splicing ear, the control module of the second correction data line splicing ear and the second negative data line splicing ear, described second source line splicing ear, described the second ground wire splicing ear, described the second correction data line splicing ear and described the second negative data line splicing ear pass through respectively power lead, ground wire, correction data line and negative data line respectively with described the first power lead splicing ear, described the first ground wire splicing ear, described the first correction data line splicing ear and described the first negative data line splicing ear are electrically connected to, described control module can control described USB interface and outside OTG equipment carries out data transmission and delivery of electrical energy,
Be electrically connected to described control module, for storing the memory module of data;
It is characterized in that, described USB interface also comprises detection line splicing ear, and described Multifunctional U disk also comprises:
One end and the switch module that described detection line splicing ear is electrically connected to, the other end is electrically connected to described ground wire, described switch module is for controlling conducting and the disconnection of described detection line splicing ear and described ground wire;
The satellite interface that at least comprises the 3rd power lead splicing ear and the 3rd ground wire splicing ear, described the 3rd power lead splicing ear is electrically connected to described power lead, and described the 3rd ground wire splicing ear is electrically connected to described ground wire;
Wherein, when described outside OTG equipment Inspection conducts described detection line splicing ear and described ground wire to described switch module, described outside OTG equipment can be given described Multifunctional U disk power supply and be carried out data transmission by described USB interface; When described switch module is arrived in described outside OTG equipment Inspection by described detection line splicing ear and the disconnection of described ground wire, external power source or main equipment can be powered by the described satellite interface pair described outside OTG equipment being connected with described USB interface.
2. Multifunctional U disk as claimed in claim 1, is characterized in that, also comprises mode switch;
Described satellite interface also comprises the 3rd correction data line splicing ear and the 3rd negative data line splicing ear, and described the 3rd correction data line splicing ear is electrically connected to described correction data line, and described the 3rd negative data line splicing ear is electrically connected to described negative data line;
The described second correction data line splicing ear of described control module and described the second negative data line splicing ear are electrically connected to the described first correction data line splicing ear of described USB interface and the 3rd correction data line splicing ear of the first negative data line splicing ear and described satellite interface and described the 3rd negative data line splicing ear respectively by described mode switch;
Wherein, when described USB interface sky connects, described Multifunctional U disk can carry out data transmission by described satellite interface, usings and uses as common U disk, when detecting described satellite interface, described control module connects described main equipment, when described USB interface is connected to described outside OTG equipment, described mode switch is by the described first correction data line splicing ear of the described second correction data line splicing ear of described control module and described the second negative data line splicing ear and described USB interface and the first negative data line splicing ear, and the 3rd correction data line splicing ear of described satellite interface and described the 3rd negative data line splicing ear are when disconnect, described main equipment carries out data transmission by described satellite interface and described USB interface and described outside OTG equipment.
3. Multifunctional U disk as claimed in claim 2, is characterized in that, described mode switch is mechanical switch, by manual operation, controls described mode switch;
Or described mode switch is electronic switch, and controlled by described control module.
4. Multifunctional U disk as claimed in claim 1, it is characterized in that, described satellite interface also comprises the 3rd correction data line splicing ear and the 3rd negative data line splicing ear, described the 3rd correction data line splicing ear is electrically connected to described correction data line, and described the 3rd negative data line splicing ear is electrically connected to described negative data line;
Described control module is directly controlled described the second correction data line splicing ear and the described first correction data line splicing ear of described the second negative data line splicing ear and described USB interface and the 3rd correction data line splicing ear of the first negative data line splicing ear and described satellite interface and described the 3rd negative data line splicing ear and is conducted or disconnect;
Wherein, when described USB interface sky connects, described Multifunctional U disk carries out data transmission by described satellite interface, usings and uses as common U disk, when detecting described satellite interface, described control module connects described main equipment, when described USB interface is connected to described outside OTG equipment, described control module is controlled described the first correction data line splicing ear and the first negative data line splicing ear of described the second correction data line splicing ear and described the second negative data line splicing ear and described USB interface, and the 3rd correction data line splicing ear of described satellite interface and described the 3rd negative data line splicing ear are when disconnect, described main equipment carries out data transmission by described satellite interface and described USB interface and described outside OTG equipment.
5. the Multifunctional U disk as described in claim 2 or 4, it is characterized in that, described USB interface is A type USB male joint, Type B USB male joint, A type Micro-USB male joint, Type B Micro-USB male joint, the Mini-USB male joint of A type or Type B Mini-USB male joint.
6. the Multifunctional U disk as described in claim 2 or 4, it is characterized in that, described satellite interface is A type USB female joint, Type B USB female joint, A type Mini-USB female joint, Type B Mini-USB female joint, the Micro-USB female joint of A type or Type B Micro-USB female joint.
7. Multifunctional U disk as claimed in claim 1, is characterized in that, described control module is control integration circuit chip or control integration circuit crystal grain.
8. Multifunctional U disk as claimed in claim 1, is characterized in that, described memory module is for storage integrated circuit (IC) chip, storage integrated circuit crystal grain or comprised the integrated circuit (IC) chip of storing integrated circuit crystal grain and control integration circuit crystal grain simultaneously.
9. Multifunctional U disk as claimed in claim 1, is characterized in that, when described switch module disconnects described detection line splicing ear and described ground wire, described detection line splicing ear sky connects or described detection line splicing ear is electrically connected to described power lead.
10. Multifunctional U disk as claimed in claim 1, is characterized in that, described switch module is mechanical switch, by manual operation, controls described switch module;
Or described switch module is electronic switch, and controlled by described control module.
CN201320604953.XU 2013-09-27 2013-09-27 Multifunctional U disk Active CN203520878U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104882155A (en) * 2015-04-30 2015-09-02 厦门睿联创信息科技有限公司 Low-power anti-loss safety U-disk
CN105159856A (en) * 2015-08-24 2015-12-16 小米科技有限责任公司 Signal transmission apparatus and terminal
CN105429239A (en) * 2015-12-29 2016-03-23 昆山映台电子科技有限公司 Android platform-based OTG (On-The-Go) charging device and control method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104882155A (en) * 2015-04-30 2015-09-02 厦门睿联创信息科技有限公司 Low-power anti-loss safety U-disk
CN104882155B (en) * 2015-04-30 2018-02-09 厦门睿联创信息科技有限公司 The anti-lost safe USB disk of low-power consumption
CN105159856A (en) * 2015-08-24 2015-12-16 小米科技有限责任公司 Signal transmission apparatus and terminal
CN105429239A (en) * 2015-12-29 2016-03-23 昆山映台电子科技有限公司 Android platform-based OTG (On-The-Go) charging device and control method thereof

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Address after: 518057 A, B, C, D, E, F1, 8 Building, Financial Services Technology Innovation Base, No. 8 Kefa Road, Nanshan District, Shenzhen City, Guangdong Province

Patentee after: Shenzhen jiangbolong electronic Limited by Share Ltd

Address before: 518057 A, B, C, D, E, F1, 8 Building, Financial Services Technology Innovation Base, No. 8 Kefa Road, Nanshan District, Shenzhen City, Guangdong Province

Patentee before: Shenzhen jiangbolong Electronic Co., Ltd.

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