CN1838491B - Bidirectional electronic device with USB interface - Google Patents
Bidirectional electronic device with USB interface Download PDFInfo
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- CN1838491B CN1838491B CN2005100557942A CN200510055794A CN1838491B CN 1838491 B CN1838491 B CN 1838491B CN 2005100557942 A CN2005100557942 A CN 2005100557942A CN 200510055794 A CN200510055794 A CN 200510055794A CN 1838491 B CN1838491 B CN 1838491B
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Abstract
This invention relates to bidirectional electronic equipment with USB connector, which includes a 2 in 1 USB connector, and USB OTG controller. The 2 in 1 USB connector has a USB standard A type maleplug and a USB standard B type female plug which are arranged in hull, and only one of the plug is be chosen to use. The USB OTG controller is in the state that USB standard A type male plug and a USBstandard B type female plug are plugged, which are determined the USB connector bidirectional electronic equipment operation module.
Description
Technical field
The present invention relates to a kind of electronic installation of tool USB interface, particularly about a kind of USB OTG electronic installation.
Background technology
Existing USB OTG (On-The-Go) standard only defines mini-AB connector standard, and be used for realizing double mode electronic installation, make this double mode electronic installation to switch use in host apparatus (Host Device) pattern and two kinds of patterns of sub-device (Slave Device) pattern.When the user will connect double mode electronic installation the electronic installation of the USB standard A type public plug (Standard-A type maleconnector) of going up other or USB standard Type B female plug seat (Standard-B type female connector), the user must utilize the cable of a tool USB conversion head, just can reach connection, this is for the user, and this connected mode still belongs to inconvenience.
Known double mode electronic installation only is equipped with the mini-AB connector, though this can satisfy USB OTG standard, mini-AB connector and non-USB OTG connector are directly to peg graft, and this shows and to be the congenital shortcoming of known double mode electronic installation.In view of the above, the present inventor is used in a large number in view of the existing electronic installation that is equipped with USB standard A type public plug and USB standard Type B female plug seat, therefore with mini-AB connector that known double mode electronic installation adopted, with its change over USB standard A type public plug and USB standard Type B female plug seat 2 in 1 connector, solve the inconvenience of above-mentioned known connected mode.
Summary of the invention
The purpose of this invention is to provide a kind of tool USB interface bidirectional electronic device, provide and to implement the double mode electronic installation of USB OTG with USB standard A type public plug or USB standard Type B female plug seat.
For reaching above-mentioned purpose of the present invention, the invention provides a kind of bidirectional electronic device that is used for external device (ED), described bidirectional electronic device comprises: one comprises the USB connector of a USB standard A type public plug and a USB standard Type B female plug seat, be arranged in the housing, this USB connector also comprises the Vbus that is connected to this USB standard A type public plug and this USB standard Type B female plug seat, wherein in this USB standard A type public plug and this USB standard Type B female plug seat selecteed one can be coupled to this external device (ED); Whether one Power Management Unit is coupled to this Vbus, and be configured to detect and provide voltage to Vbus by this external device (ED) outside, and sends the signal that indicates whether to detect voltage; An and USB otg controller, be configured to receive the signal that sends by this Power Management Unit, and determine that based on the signal that receives the operating mode of this bidirectional electronic device, this operating mode comprise as the running of sub-device with as one of running of host apparatus to small part.
The present invention also provides a kind of bidirectional electronic device with USB interface, comprise: one has the two-in-one USB connector of a USB standard A type public plug and a USB standard Type B female plug seat, be arranged in the housing, and this two-in-one USB connector is designed to only can select from this USB standard A type public plug and this USB standard Type B female plug seat one to peg graft to use.
Description of drawings
Fig. 1 shows that the present invention has the stereoscopic figure of the bidirectional electronic device of USB interface.
Fig. 2 shows that the present invention has the stereoscopic figure of another side of the bidirectional electronic device of USB interface.
Fig. 3 A and Fig. 3 B are the user mode figure that shows the two-in-one USB connector of the present invention respectively.
Fig. 4 shows that the present invention has the circuit structure diagram of the bidirectional electronic device of USB interface.
Fig. 5 be show the present invention have USB interface bidirectional electronic device bridge mode running figure.
Fig. 6 shows that the present invention has the OTG mode operating figure of the bidirectional electronic device of USB interface.
Fig. 7 shows that the present invention has the OTG conversion bridge mode running figure of the bidirectional electronic device of USB interface.
Fig. 8 shows that the present invention has the OTG interconnection pattern running figure of the bidirectional electronic device of USB interface.Symbol description
10 have the bidirectional electronic device 101 two-in-one USB connector of USB interface
101B USB standard Type B female plug seat 103 housings
105 USB otg controller 105A OTG ID signals
The 105B first switch 105C mains switch
106 memory modules, 107 batteries
The power management unit 109 USB electric power source unit of 108 USB and battery
1031 framed side wallboards
Be familiar with this technology personage and understand purpose of the present invention, feature and effect for making, now by following specific embodiment, and conjunction with figs., the present invention is illustrated in detail, illustrate as afterwards:
Embodiment
Fig. 1 shows that the present invention has the stereoscopic figure of the bidirectional electronic device of USB interface.The present invention has the two-in-one USB connector 101 of the bidirectional electronic device 10 of USB interface, be the side that is arranged at housing 103, and connector 101 is made up of a USB standard A type public plug 101A and a USB standard Type B female plug seat 101B.Connector 101 utilizes pivot that it is articulated in housing 103, and connector 101 is can be accommodated in fully in the housing 103, and connector 101 also can be exposed outside housing 103 with USB standard A type public plug 101A by pivot.The principal character of the two-in-one USB connector 101 of the present invention is to be, the user only can select one of them use of pegging graft from this USB standard A type public plug and this USB standard Type B female plug seat.Cooperate Fig. 1 and Fig. 2, when two-in-one USB connector 101 is accommodated within the housing fully, the two-in-one USB connector 101 of this moment only has USB standard Type B female plug seat 101B to be used by grafting, because USB standard A type public plug 101A is by the stopping of the framed side wallboard 1031 of housing 101, and make that USB standard A type public plug 101A can't be pegged graft.Or utilize the width A of reduction between the both walls of USB standard A type public plug 101A, and seeing also Fig. 2, width A is reduced to outside USB female plug seat can't be stretched into.Please cooperate referring to Fig. 2, Fig. 3 A, Fig. 3 B, user's two-in-one USB connector 101 that pivots, 101A exposes out with USB standard A type public plug, and the USB standard Type B female plug seat 101B of opposed position collects to housing 103, and makes that USB standard Type B female plug seat 101B can't be pegged graft.The USB standard A type public plug 101A that exposes can be rotated further again, changes the direction of public plug 101A.
Fig. 4 shows that the present invention has the circuit structure diagram of the bidirectional electronic device of USB interface.USB otg controller 105 is according to the state that the USB standard A type public plug 101A of 2 in 1 connector 101 and USB standard Type B female plug seat 101B are pegged graft and use, and just deciding is that a kind of operating mode of employing operates electronic installation 10.Storage assembly 106 connects USB otg controller 105, be to be used for storing data, it for example is MP3 song, digital photograph, archive files, video/audio archive or the like, and the concrete assembly of storage assembly 106 for example is to adopt semiconductor memory, Winchester disk drive, CD-ROM drive, cd-recorder or the like.Battery 107 is used to supply the electric power of 10 palpuses of bidirectional electronic device, and the concrete assembly of battery 107 for example is to adopt primary cell or secondary cell.The power management unit 108 of USB and battery connects the Vbus terminal 101C of USBOTG controller 105, battery 107,2 in 1 connector 101 at least, and wherein function of the power management unit 108 of USB and battery is the electric power whether detecting Vbus terminal 101C exists 5V voltage (or other specified voltage).USB electric power source unit 109 is the electric power of conversion battery 107, and produces the USB electric power source, the electric power of 5V voltage for example, and this USB electric power source is the Vbus terminal 101C that is connected in 2 in 1 connector 101.
According to bidirectional electronic device 10 present user modes is to be in off-mode, or open state, and the stateless that has that whether appears at Vbus terminal 101C by 5V voltage, wherein that a kind of pattern such as bridge mode, OTG pattern, OTG conversion bridge mode, OTG interconnection pattern is adopted in 105 decisions of USB otg controller, is used as the appointment operating mode of bidirectional electronic device 10.The alleged off-mode of the present invention is meant that bidirectional electronic device 10 is to be in to close electricity (Power Off) situation, and open state is meant that bidirectional electronic device 10 is to be in electricity consumption (Power On) situation.The user can utilize mains switch 105C to open or powered-down, will be set in open state or off-mode to electronic installation 10.
Fig. 5 shows that the present invention has the bridge mode running figure of the bidirectional electronic device of USB interface.Bidirectional electronic device 10 was at off-mode before entering bridge mode, and the user is plugged into the electronic installation as host apparatus (Host), for example computer with the USB standard A type public plug 101A of bidirectional electronic device 10.After the grafting, host apparatus supply 5V voltage is in Vbus terminal 101C, and subsequently, the administrative unit 108 of USB and battery electric power can detect Vbus terminal 101C and have 5V voltage.Then, OTG ID signal 105A is kept high levels (High Level).USB otg controller 105 is set bidirectional electronic device 10 for bridge mode after receiving high levels OTG ID signal 105A.The power management unit 108 of USB and battery receives the 5V electric power of Vbus terminal 101C, and gives the internal wiring of bidirectional electronic device 10 with this supply of electric power, and if this electric power is enough abundant, uses it to battery 107 is charged.
Fig. 6 shows that the present invention has the OTG mode operating figure of the bidirectional electronic device of USB interface.Will be as the electronic installation of USB device (USB Slave Device), for example carry-on dish, be plugged to the USB standard A type public plug 101A or the USB standard Type B female plug seat 101B of bidirectional electronic device 10, the USB device electronic installation that the present invention is alleged is meant Vbus terminal and no-voltage at itself.Then, with bidirectional electronic device 10 starts.OTG ID signal 105A is kept low level (Low Level).USB electric power source unit 109 kept close (Shutdown), and the power management unit 108 of USB and battery is kept detecting Vbus terminal 101C, be maintained to the first switch 105B and activated till (On), and the concrete function of the first switch 105B for example is the carrying out of indication copy function (Copy Procedure).After the first switch 105B activated, USB electric power source unit 109 was produced the USB electric power source by starting (Enable), and this USB electric power source is via the Vbus terminal 101C of 2 in 1 connector 101, and was connected to USB device electronic installation.
Fig. 7 shows that the present invention has the OTG conversion bridge mode running figure of the bidirectional electronic device of USB interface.Bidirectional electronic device 10 was at open state before entering OTG conversion bridge mode, and OTG ID signal 105A is in low level (Low Level).USB electric power source unit 109 is to be in to close (Shutdown) state, and the power management unit 108 of USB and battery is the state that is in detecting Vbus terminal 101C.Bidirectional electronic device 10 under the above-mentioned state is plugged to the electronic installation as host apparatus.Subsequently, the electronic installation of host apparatus supply 5V voltage is in Vbus terminal 101C, and then, the power management unit 108 of USB and battery can detect Vbus terminal 101C and have 5V voltage.Then, OTGID signal 105A is kept high levels (High Level).USB otg controller 105 is set bidirectional electronic device 10 for bridge mode after receiving high levels OTG ID signal 105A.The power management unit 108 of USB and battery receives Vbus terminal 101C 5V electric power, and gives the internal wiring of bidirectional electronic device 10 with this supply of electric power, and if this electric power is enough abundant, uses it to battery 107 is charged.
Fig. 8 shows that the present invention has the OTG interconnection pattern running figure of the bidirectional electronic device of USB interface.Two bidirectional electronic devices 10 were at open state before entering the OTG interconnection pattern, and OTGID signal 105A separately is in low level (Low Level).USB electric power source unit 109 separately all is in closes (Shutdown) state, and the power management unit 108 of USB separately and battery all is in the state of detecting Vbus terminal 101C.When the first switch 105B of one of them bidirectional electronic device 10 activated (On) earlier, this bidirectional electronic device 10 promptly is transformed into as host apparatus (Host), and another then is transformed into sub-device (Slave Device).The first switch 105B for example can make copy (Copy) switch, indicates USB otg controller 105 to carry out copy function (Copy Procedure).
Bidirectional electronic device 10 of the present invention can be embodied as MP3 playing device, video play device, carry-on dish, storage device or other portable electron device.
Owing to adopt USB standard A type public plug and USB standard Type B female plug seat, make the present invention can with widely used electronic installation with USB interface, use together is connected to each other.Again because the design of the special construction between 2 in 1 connector 101 and the housing 103, make the user only can select wherein USB standard A type public plug and USB standard Type B female plug seat one for use, simultaneously, the present invention possesses the ability of automatic judgement operating mode, in view of the above, the present invention is better than the concatenation ability of the known electronic installation with USB interface far away.
Though the present invention discloses as above with preferred embodiment, right its is not in order to limiting the present invention, anyly is familiar with this operator, without departing from the spirit and scope of the present invention, when doing a little change and retouching, the change of doing still belongs within the claim of the present invention with retouching.
Claims (17)
1. bidirectional electronic device that is used for external device (ED), described bidirectional electronic device comprises:
One comprises the USB connector of a USB standard A type public plug and a USB standard Type B female plug seat, be arranged in the housing, this USB connector also comprises the Vbus that is connected to this USB standard A type public plug and this USB standard Type B female plug seat, wherein in this USB standard A type public plug and this USB standard Type B female plug seat selecteed one can be coupled to this external device (ED);
Whether one Power Management Unit is coupled to this Vbus, and be configured to detect and provide voltage to Vbus by this external device (ED) outside, and sends the signal that indicates whether to detect voltage; And
One USB otg controller, be configured to receive the signal that sends by this Power Management Unit, and determine that based on the signal that receives the operating mode of this bidirectional electronic device, this operating mode comprise as the running of sub-device with as one of running of host apparatus to small part.
2. bidirectional electronic device as claimed in claim 1, wherein this USB connector is articulated in this housing.
3. bidirectional electronic device as claimed in claim 1, wherein, when this USB standard A type public plug and this USB standard Type B female plug seat all were contained in this housing, this USB standard A type public plug was limited and is not pegged graft and use, and this USB standard Type B female plug seat can be pegged graft and used.
4. bidirectional electronic device as claimed in claim 1, wherein this USB standard A type public plug places an end of this USB connector, and this USB standard Type B female plug seat places the opposite end of this USB connector, and this USB connector is articulated in this housing, make this USB connector of location so that one of this USB standard A type public plug or this USB standard Type B female plug seat are coupled to this external device (ED), another that stops this USB standard A type public plug and this USB standard Type B female plug seat is coupled to this external device (ED).
5. bidirectional electronic device as claimed in claim 1, wherein, when this USB standard A type public plug exposed to this housing, this USB standard A type public plug was used to peg graft and uses, and this USB standard Type B female plug seat then is limited and is not pegged graft and use.
6. bidirectional electronic device as claimed in claim 1 further comprises:
One battery is configured to this USB otg controller supply electric power; And
One USB electric power source unit, being configured to provides electric power to this Vbus from this battery when this bidirectional electronic device running is host apparatus.
7. bidirectional electronic device as claimed in claim 1 also comprises:
One battery is configured to this USB otg controller supply electric power, when wherein this Power Management Unit is configured to this bidirectional electronic device running for sub-device, provides electric power to think this battery charge to this battery from this Vbus.
8. bidirectional electronic device as claimed in claim 1 also comprises:
One is coupled to the storage assembly of this USB otg controller, and wherein this memory module is to be selected from one of them of semiconductor internal memory, a Winchester disk drive, a CD-ROM, a DVD-ROM.
9. bidirectional electronic device as claimed in claim 1 further comprises: one first switch, connect this USB otg controller, and when this first switch was opened, this first switch indicated this USB otg controller to carry out copy function.
10. bidirectional electronic device as claimed in claim 1, wherein this operating mode comprises the running of a bridge mode, wherein this USB standard A type public plug is coupled to this external device (ED), and this bidirectional electronic device running is sub-device, and this external device (ED) is as the host apparatus of voltage to Vbus is provided.
11. bidirectional electronic device as claimed in claim 1, wherein this operating mode also comprises the running of an OTG pattern, wherein this USB standard A type public plug or this USB standard Type B female plug seat are coupled to this external device (ED), this bidirectional electronic device running is host apparatus, and this external device (ED) is as USB device.
12. bidirectional electronic device as claimed in claim 1, wherein this operating mode also comprises the running of an OTG conversion bridge mode, and wherein this bidirectional electronic device switches to running as sub-device from the running as host apparatus,
Any of this USB standard A type public plug or this USB standard Type B female plug seat is coupled to this external device (ED), and
Detect this external device (ED) just as after the host apparatus of voltage to Vbus is provided in Power Management Unit, this USB otg controller switches to running as sub-device with the operating mode of this bidirectional electronic device from the running as host apparatus.
13. bidirectional electronic device as claimed in claim 1, wherein this operating mode also comprises the running of an OTG interconnection pattern, wherein the USB standard Type B female plug seat of this bidirectional electronic device is plugged on the USB standard A type public plug of another similar bidirectional electronic device, one of described bidirectional electronic device is configured to as sub-device running, and another bidirectional electronic device is configured to operate as host apparatus.
14. the bidirectional electronic device with USB interface comprises:
One has the two-in-one USB connector of a USB standard A type public plug and a USB standard Type B female plug seat, be arranged in the housing, and this two-in-one USB connector is designed to only can select from this USB standard A type public plug and this USB standard Type B female plug seat one to peg graft to use.
15. the bidirectional electronic device with USB interface as claimed in claim 14, wherein this two-in-one USB connector is articulated in this housing.
16. the bidirectional electronic device with USB interface as claimed in claim 14, wherein when this USB standard A type public plug and this USB standard Type B female plug seat all are contained in this housing, this USB standard A type public plug is limited and is not pegged graft and use, and this USB standard Type B female plug seat can be by the use of pegging graft.
17. the bidirectional electronic device with USB interface as claimed in claim 14, wherein when this USB standard A type public plug exposes to this housing, the use of being pegged graft of this USB standard A type public plug, this USB standard Type B female plug seat then is limited and is not pegged graft and use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005100557942A CN1838491B (en) | 2005-03-21 | 2005-03-21 | Bidirectional electronic device with USB interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005100557942A CN1838491B (en) | 2005-03-21 | 2005-03-21 | Bidirectional electronic device with USB interface |
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| Publication Number | Publication Date |
|---|---|
| CN1838491A CN1838491A (en) | 2006-09-27 |
| CN1838491B true CN1838491B (en) | 2010-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2005100557942A Expired - Fee Related CN1838491B (en) | 2005-03-21 | 2005-03-21 | Bidirectional electronic device with USB interface |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103457458B (en) | 2012-05-28 | 2016-03-30 | 华为终端有限公司 | Current switching control appliance and electronic equipment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2754230Y (en) * | 2004-10-15 | 2006-01-25 | 英保达股份有限公司 | Connector device |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2754230Y (en) * | 2004-10-15 | 2006-01-25 | 英保达股份有限公司 | Connector device |
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| CN1838491A (en) | 2006-09-27 |
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Effective date of registration: 20090206 Address after: Delaware Applicant after: Behavior Tech Computer Corp. Address before: 2 floor, No. 51, Dongxing Road, Taipei, Taiwan Applicant before: Yingqun Enterprise Co., Ltd. |
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