CN201319511Y - Battery backup device - Google Patents
Battery backup device Download PDFInfo
- Publication number
- CN201319511Y CN201319511Y CNU2008201786670U CN200820178667U CN201319511Y CN 201319511 Y CN201319511 Y CN 201319511Y CN U2008201786670 U CNU2008201786670 U CN U2008201786670U CN 200820178667 U CN200820178667 U CN 200820178667U CN 201319511 Y CN201319511 Y CN 201319511Y
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- Prior art keywords
- connector
- battery back
- link information
- service voltage
- data
- 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.)
- Expired - Fee Related
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model provides a battery backup device which comprises a first connector, a second connector, a data wire, a storage unit and a charging unit. The data wire transmits data which is provided by the outer part to the second connector by the first connector; the storage unit is connected to the data wire, so as to selectively store the data; the charging unit receives a first supply voltage which is provided by the outer part by the first connector and charges with the first supply voltage, so as to selectively regulate voltage level of the charging supply voltage and output a second supply voltage to the second connector.
Description
The cross reference of related application
The utility model based on the application number that was forwarded to Korea S Department of Intellectual Property on November 11st, 2007 be the application number that 10-2007-0114604 and on November 28th, 2007 is forwarded to Korea S Department of Intellectual Property be 10-2007-0122270 korean patent application and November in 2007 date of filing this patent on the 21st office application number be the Japanese patent application of 2007-301854, and advocate its priority, wherein disclosed full content is incorporated in this.
Technical field
The utility model relates to the battery back-up device, relates in particular to the battery back-up device with data connection and data storage function.
Background technology
Recently, portable digital device or mobile device have the function by data communication and computer exchange plurality of kinds of contents.Such portable digital device or mobile device are connected with computer by connector such as USB connector.On the other hand, because the battery electric power of portable digital device or mobile device promptly exhausts in the short time, therefore, for the battery back-up device of battery charge arises at the historic moment.
The utility model content
Therefore, the utility model is the problem that exists in the above-mentioned technology formerly of solution and makes, and the purpose of this utility model provides a kind of battery back-up device with data connection and data storage function.
Other advantage of the present utility model, purpose and feature will be in following explanation be partly set forth, and those skilled in the art it will partly become apparent or can acquire from implement the utility model after inspecting following content.
In order to realize these targets, provide a kind of according to battery back-up device of the present utility model, it comprises first connector; Second connector; To transfer to the data wire of second connector by the data that the outside provides by first connector; Be connected to data wire optionally to store the memory cell of data; And charhing unit, it receives first service voltage that is provided by the outside by first connector, and charges with it, and exports second service voltage to second connector.
Brief Description Of Drawings
The above-mentioned and other purpose of the utility model, feature and advantage are will be below more obvious in conjunction with the accompanying drawings the detailed description, wherein:
Fig. 1 is the block diagram of explanation according to the battery back-up device structure of the utility model one execution mode;
Fig. 2 is the conceptual view of memory cell and second connector operation in the key-drawing 1;
Fig. 3 is the block diagram of explanation according to the battery back-up device structure of another execution mode of the utility model;
Fig. 4 is explanation according to the utility model circuit diagram of the battery back-up device structure of an execution mode again;
Fig. 5 is explanation according to the utility model circuit diagram of the battery back-up device structure of an execution mode again;
Fig. 6 is explanation according to the utility model circuit diagram of the battery back-up device structure of an execution mode again; And
Fig. 7 is explanation according to the utility model circuit diagram of the battery back-up device structure of an execution mode again.
Embodiment
Hereinafter, will be described with reference to the accompanying drawings preferred implementation of the present utility model.Viewpoint of the present utility model and feature and the method that realizes this viewpoint and feature in conjunction with the drawings, consult the detailed description of embodiment and more apparent.But the utility model is not limited only to the execution mode of following discloses, and can implement in a variety of forms.The things that defines in the explanation, as concrete structure and element, only provide in order to helping those of ordinary skills' complete understanding specific detail of the present utility model, and the utility model only is limited in the scope of claims.In whole explanation of the present utility model, same element uses identical Reference numeral in a plurality of different accompanying drawings.
Term " is connected to " or " being coupled to " is used for indicating and an element is connected or is coupled to another element, comprises that an element " directly connect or the be coupled to " situation and an element of another element is connected or is coupled to the situation of another element by another element.Like this, term " is connected directly to " or " directly being coupled to " do not inserted any other element in the middle of meaning and an element connected or be coupled to another element.In whole explanations of the present utility model, same element uses identical Reference numeral in a plurality of different figure.And, term " and/or " comprise the project separately of the project of being described and their combination.
Although term " first, second, or the like " being used to explain different elements, part and/or parts, such element, part and/or parts are not limited by term.These terms only are used for an element, part or parts are distinguished mutually with other element, part or parts.Therefore, in the following description, first element, first part or first parts can be another element, another part or another parts.
In following explanation of the present utility model, term is used for explaining execution mode of the present utility model, but does not limit the utility model scope.In statement, unless stated otherwise, singulative can comprise plural form.The term of using in the explanation " has comprised " and/or " comprising " means and do not get rid of one or more other parts, step, operation and/or existence or increase element except illustrated part, step, operation and/or element.
Unless stated otherwise, all terms of using in this explanation (comprising technology and scientific terminology) all can be used to the understanding of representing that the utility model those of ordinary skill in the field are common.In addition, unless commonly used but in dictionary undefined term clearly reached explanation especially, should not get sth into one's head or exceedingly explain.
With reference to Fig. 1-3, the battery back-up device according to the utility model one embodiment is described.Fig. 1 is the block diagram of the battery back-up device structure of explanation the utility model one execution mode, and Fig. 2 is the conceptual view of memory cell and the operation of second connector in the key-drawing 1.Fig. 3 is explanation improves the battery back-up device structure of execution mode according to the utility model one a block diagram.
Referring to Fig. 1, comprise first connector, 10, the second connectors 60, data wire DM and DP, charhing unit 35, and memory cell 55 according to the battery back-up device 1 of the utility model one execution mode.As above the battery back-up device 1 of structure is carried out data connection, storage, storage card reads and the battery backup functionality.Below, the structure and the operation of battery back-up device 1 is elaborated.
At first, battery back-up device 1 execution storage and storage card read operation are described.In this case, battery back-up device 1 is connected to the external device (ED) (not shown) by first connector 10.At this moment, this external device (ED) as mobile device, can be free of attachment to second connector 60.Hereinafter, be that computer is an example with this external device (ED) (not shown) that is connected to first connector 10, but be not limited only to computer.
This Memory Controller 40 is connected to data wire DM and DP, and can be transfused to enable signal ENB activation so far, with receive data from data wire DM and DP and with storage to memory 50.And the energy signal DIS that presses down that Memory Controller 40 can be transfused to so far presses down energy, thereby does not receive data from data wire DM and DP.Here, enable signal ENB or press down and to provide by second connector 60 by signal DIS.When the external device (ED) (not shown) was connected to second connector 60,60 outputs of second connector pressed down energy signal DIS, when external device (ED) is not connected to second connector 60, and the second connector output enable signal ENB.Referring now to Fig. 2 this feature is described more specifically.
Referring to Fig. 2, second connector 60 can comprise the second and the 3rd grounding pin GND_2 and GND_3.Earthed voltage is applied to the second grounding pin GND_2, and Memory Controller 40 is connected to the 3rd grounding pin GND_3.Here, second connector 60 can be the AN connector that is used for digital device.
If external device (ED) 70, for example mobile device is connected to second connector 60, as shown in Figure 2, the second grounding pin GND_2 and the 3rd grounding pin GND_3 are electrically connected to each other, and such the 3rd grounding pin GND_3 provides low level to press down to Memory Controller 40 can signal DIS.If Memory Controller 40 presses down energy signal DIS by the low level that activation terminal EN receives input, the impedance Z 1 and the Z2 that then are connected to data wire DM and DP become infinity, and data just are not input to memory cell 55 like this.Thereby external device (ED) 70 is connected to the computer (not shown) that is connected with first connector 10, and battery back-up device 1 is carried out the data linkage function and will described after a while.
If mobile device 70 separates with second connector 60, the 3rd grounding pin GND_3 separates with the second grounding pin GND_2 electricity, and such the 3rd grounding pin GND_3 does not just provide low level to press down can signal DIS.In this case, Memory Controller 40 is enabled, from data wire DM and DP receive data and with storage memory 50.Therefore, battery back-up device 1 storage data.
And, battery back-up device 1 can be by data wire DM and DP and the first data pins DM_1 and DP_1 with the transfer of data of storage in the memory 50 to the outer computer (not shown).
On the other hand, memory 50 can be the internal memory that fixedly provides in the battery back-up device 1, or detachable external memory.For example, if memory 50 is an external memory, can be SD card, SM card, T-flash storage card, MMC storage card or the like.
In a word, battery back-up device 1 comprises memory cell 55, and carries out storage or storage card read functions.
Next referring to Fig. 1, battery back-up device 1 is carried out the data attended operation describe.In this case, battery back-up device 1 is connected to first external device (ED) by first connector 10, and is connected to second external device (ED) by second connector 60.To be respectively that computer (not shown) and mobile device (not shown) are example with first external device (ED) and second external device (ED) below, but be not limited only to computer and mobile device.
Next, referring to Fig. 1, battery back-up device 1 is carried out the battery backup operation describe.In this case, battery back-up device 1 is connected to the external device (ED) (not shown) by second connector 60, for example, and mobile device.
At first, charhing unit 35 comprises rechargeable battery BAT_CH, and charging control unit 20, and it charges to rechargeable battery BAT_CH with the first service voltage Vp1 that first connector 10 provides.If the external device (ED) (not shown), for example computer is connected to first connector 10, and then the first service voltage Vp1 is provided for computer by the first service voltage pin V_1.Charging control unit 20 receives the first service voltage Vp1, and with this service voltage that receives rechargeable battery BAT_CH is charged.Here, this rechargeable battery BAT_CH can be removable somatotype.
As mentioned above, charhing unit 35 receives the first service voltage Vp1 and charges with it from the outside, and provides the second service voltage Vp2 by the second service voltage pin V_2 of second connector 60 to outside mobile device (not shown).Therefore, the battery of the external device (ED) (not shown) that is connected with second connector 60 is backed up become possibility.
And, if this computer (not shown) and mobile device (not shown) all are connected to battery back-up device 1 by first connector 10 and second connector 60 respectively, this battery back-up device 1 just will export the mobile device (not shown) to as the second service voltage Vp2 by the first service voltage Vp1 of computer (not shown) input.That is, comprise that the battery back-up device 1 of diode D1 receives the first service voltage Vp1, and export the second service voltage Vp2.And as shown in Figure 1, second connector 60 may further include direct-connected the 3rd service voltage pin V_3 with the first service voltage pin V_1, and the first service voltage Vp1 is intactly offered the mobile device (not shown).Here, can in charhing unit 35, provide diode D1.Among Fig. 1, be to be example including, but not limited to, diode D1 with battery back-up device 1.
Referring to Fig. 3, the battery back-up device according to another execution mode of the present utility model is described.Fig. 3 is the block diagram of explanation according to the battery back-up device structure of another execution mode of the present utility model.Use same mark with similar elements shown in Figure 1,, omit the detailed description of respective element for the ease of explaining.
Referring to Fig. 3, battery back-up device 2 may further include level converter 45.When mobile device 70 was connected to second connector 60, level converter 45 received a low level from the 3rd grounding pin GND_3 and presses down the energy signal, and pressed down and can offer Memory Controller 40 by signal what this received.If mobile device 70 separates with second connector, even the 3rd grounding pin GND_3 is floating empty, this level converter 45 will provide a high level enable signal ENB for Memory Controller 40.
And, for the activation of control storage controller 40 can be operated with pressing down, the enable signal ENB that 45 couples the 3rd grounding pin GND_3 of level converter provide or press down can signal DIS logic level change, and the activation that will change/but the energy signal offer Memory Controller 40.
Therefore, whether battery back-up device 2 can be connected with second connector 60 and optionally carry out data storage function according to mobile device 70.
Referring to Fig. 4, the battery back-up device according to an execution mode more of the present utility model is described.Fig. 4 is the circuit diagram of explanation according to the battery back-up device structure of an execution mode more of the present utility model.Among Fig. 4, be that USB connector is an example with first connector, but be not limited only to USB connector.
Referring to Fig. 4, different with above-mentioned execution mode of the present utility model, battery back-up device 3 comprises that further link information provides unit 80, it is to the link information Termination ID output link information of second connector 60, and whether this link information indication external device (ED) (not shown) is connected with first connector 10.This link information provides unit 80 can comprise the first switch element Q1 and resistor R id and Rb.Battery back-up device 2 as above-mentioned structure can use jointly with the external device (ED) (not shown), with discern this device whether be connected to have the battery backup functionality load maybe this device whether be connected with the computer (not shown).
At first, if external device (ED) (not shown), mobile device for example, be connected to second connector 60, and another external device (ED) (not shown), for example computer does not link to each other with first connector 10, promptly under the situation of carrying out the backup of mobile device (not shown) battery, this link information provides unit 80 to notify link information to the mobile device (not shown).
More specifically, the base stage of the first switch element Q1 can be connected to the chassics earth GND_CH of first connector 10, the first base resistor Rb can provide the second service voltage Vp2 to the base stage of the first switch element Q1, and ID resistor R id can be connected to the link information Termination ID of second connector 60.
If the computer (not shown) is connected to first connector 10, just apply earthed voltage to chassics earth GND_CH, and if this computer (not shown) be not connected with first connector 10, then do not apply earthed voltage to chassics earth GND_CH.Therefore, if the computer (not shown) does not link to each other with first connector 10, then the second service voltage Vp2 is provided for the base stage of the first switch element Q1, and like this, the first switch element Q1 is unlocked.Like this, ID resistor R id is connected to earthed voltage, and the link information Termination ID is unlocked.When electric current was flowed through the link information Termination ID, the mobile device (not shown) that is connected to second connector 60 identified it and is not connected with the computer (not shown), but linked to each other so that the battery backup to be provided with charhing unit 35.
Afterwards, if the computer (not shown) is connected to first connector 10, then apply earthed voltage to chassics earth GND_CH, like this, earthed voltage is applied to the base stage of the first switch element Q1.Therefore, the first switch element Q1 is closed, and ID resistor R id is floating empty.When the connecting terminal Information ID was floating empty, the mobile device (not shown) that is connected to second connector 60 identified it and links to each other with the computer (not shown), and with computer (not shown) swap data.And the mobile device (not shown) can be carried out the battery backup by the computer (not shown).
Referring to Fig. 5, the battery back-up device according to an execution mode more of the present utility model is described.Fig. 5 is the circuit diagram of explanation according to the battery back-up device structure of an execution mode more of the present utility model.Referring to Fig. 5, different with the above-mentioned execution mode of the utility model, the link information of battery back-up device 4 provides unit 81 further to comprise the second switch element Q2 and the second base resistor Rbb.The second base resistor Rbb of second switch element Q2 is connected to the first service voltage pin V_1 of first connector 10, and the collector electrode of second switch element Q2 is connected to the base stage of the first switch element Q1.
At first, if the computer (not shown) is not connected with first connector 10, then the first service voltage Vp1 just is not provided to the base stage of second switch element Q2, and second switch element Q2 is closed like this.Therefore, the second service voltage Vp2 is provided for the base stage of the first switch element Q1 to open the first switch element Q1, like this electric current link information Termination ID of flowing through.
If the computer (not shown) is connected to first connector 10, then the first service voltage Vp1 is provided to second switch element Q2 to open second switch element Q2.Therefore, second switch element Q2 reduces by the base voltage of the first switch element Q1 to close this first switch element Q1, and like this, the link information Termination ID is by floating empty.
Referring to Fig. 6, the battery back-up device according to an execution mode more of the present utility model is described.Fig. 6 is the line map of explanation according to the battery back-up device structure of an execution mode more of the present utility model.Referring to Fig. 6, battery back-up device 5 further comprises switch element 85.These switch element 85 control connection information provide unit 80, make it only when the mobile device (not shown) is connected to second connector 60, and link information is exported to the link information Termination ID.
More specifically, have only when the mobile device (not shown) is connected to second connector 60, switch element 85 just receives earthed voltage from connected the 3rd grounding pin GND_3.If applied earthed voltage, this switch element 85 provides the second service voltage Vp2 to the base stage of the first switch element Q1.In this case, as above described with reference to Fig. 4, whether link information provides unit 80 to link to each other with first connector 10 according to the computer (not shown), and exports link information by the link information Termination ID to the mobile device (not shown).Therefore, if the mobile device (not shown) does not link to each other with second connector 60, then this link information provides unit 80 not provide the second service voltage Vp2 to the first switch element Q1, thereby can cut down the consumption of energy.
Referring to Fig. 7, the battery back-up device according to an execution mode more of the present utility model is described.Fig. 7 is the circuit diagram of explanation according to the battery back-up device structure of an execution mode more of the present utility model.Referring to Fig. 7, the link information of battery back-up device 6 provides unit 82 to be connected to the first service voltage Vp1 and the first grounding pin GND_1.According to the battery back-up device 2 of as above constructing, different with above-mentioned execution mode of the present utility model, the link information Termination ID if electric current is flowed through, then the mobile device (not shown) identifies it and links to each other with the computer (not shown), if and the link information Termination ID is floating empty, then identifies it and do not link to each other with the computer (not shown) but link to each other with charhing unit 35.
More specifically, if the computer (not shown) is connected to first connector 10, then the first service voltage Vp1 is separated by the first base resistor Rb and the 3rd base resistor Rbbb, and separated first service voltage is provided to the base stage of the first switching transistor Q1.Therefore, the first switching transistor Q1 is unlocked, the link information Termination ID so that electric current is flowed through.
If the computer (not shown) is not connected to first connector 10, then earthed voltage is provided for the base stage of the first switch element Q1, and like this, the first switch element Q1 is closed with floating empty link information terminal.
As mentioned above, according to the battery back-up device of execution mode of the present utility model, battery back-up device is carried out data connection, storage, storage card reads and the battery backup functionality, has therefore improved the convenience that the user uses.
Although for illustrative purposes, preferred implementation of the present utility model is illustrated, it will be understood by those skilled in the art that it all is possible also having multiple change, increase and replacement, and do not break away from disclosed scope of the present utility model of claim and thought.
Claims (10)
1. battery back-up device comprises:
First connector;
Second connector;
Data wire, transfer of data to the second connector that it will be provided by the outside by first connector;
Memory cell, it is connected with data wire optionally to store data; And
Charhing unit, it receives first service voltage that provided by the outside by first connector and charges with it, optionally regulates charging service voltage level, and exports second feed point to second connector and press.
2. battery back-up device as claimed in claim 1 is characterized in that, first connector is a USB connector.
3. battery back-up device as claimed in claim 1 is characterized in that, if external device (ED) does not link to each other with second connector, then memory cell is enabled with the storage data, if and external device (ED) is connected to second connector, then memory cell is pressed down energy, so that memory cell is not stored data.
4. battery back-up device as claimed in claim 3 is characterized in that memory cell comprises:
Memory; And
Memory Controller, its signal activation that is enabled to be storing data in memory, and pressed down that can signal press down can;
Wherein, if external device (ED) is not connected with second connector, then second connector will press down and can signal export Memory Controller to, and if external device (ED) is connected with second connector, then the output of second connector presses down the energy signal.
5. battery back-up device as claimed in claim 1 is characterized in that charhing unit comprises:
Rechargeable battery; And
Charging control unit, it charges to rechargeable battery with first supply power.
6. battery back-up device as claimed in claim 5 is characterized in that, charhing unit reduces or improve the service voltage to the rechargeable battery charging, and the service voltage that output is lowered or is enhanced is as second service voltage.
7. battery back-up device as claimed in claim 5 is characterized in that charhing unit receives first service voltage, and exports second service voltage.
8. battery back-up device as claimed in claim 1, also comprising link information provides the unit, and its link information that will indicate external device (ED) whether to be connected to first connector exports the link information terminal to.
9. battery back-up device as claimed in claim 8 is characterized in that, when external device (ED) is connected to first connector, link information provides the unit to be closed, with floating empty link information terminal, and when not linking to each other with first connector, external device (ED) is unlocked, to open the link information terminal.
10. battery back-up device as claimed in claim 1, also comprise link information the unit is provided, if first external device (ED) is connected to second connector with link information terminal, its link information that will indicate second external device (ED) whether to be connected with first connector exports first external device (ED) to by the link information terminal.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20070114604 | 2007-11-11 | ||
| KR1020070114604 | 2007-11-11 | ||
| JP2007301854 | 2007-11-21 | ||
| KR1020070122270 | 2007-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201319511Y true CN201319511Y (en) | 2009-09-30 |
Family
ID=40815221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201786670U Expired - Fee Related CN201319511Y (en) | 2007-11-11 | 2008-11-05 | Battery backup device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2009123177A (en) |
| KR (1) | KR20090048537A (en) |
| CN (1) | CN201319511Y (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200448431Y1 (en) * | 2008-01-22 | 2010-04-09 | (주)신명디지탈 | Data storage device with charger |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0962412A (en) * | 1995-08-29 | 1997-03-07 | Fujitsu Ltd | Electronic device |
| JP2000324237A (en) * | 1999-03-10 | 2000-11-24 | Goddo:Kk | Charger with data backup function for mobile phone and data backup unit connected to the charger |
| JP3318554B2 (en) * | 1999-03-25 | 2002-08-26 | ソースネクスト株式会社 | USB (Universal Serial Bus) Cable and Method of Charging External Device with USB Cable |
| JP2000322162A (en) * | 1999-05-10 | 2000-11-24 | Sharp Corp | Signal interface device, data tansfer control system using the signal interface device and data terminal equipment |
| JP2000357029A (en) * | 1999-06-15 | 2000-12-26 | Nec Corp | Communication interface device and charging device for portable telephone set |
| JP2002190848A (en) * | 2000-12-22 | 2002-07-05 | Teac Corp | Interface adapting device |
| JP2002258989A (en) * | 2001-02-28 | 2002-09-13 | Reudo Corp | Charging device for usb port |
| JP3796419B2 (en) * | 2001-07-13 | 2006-07-12 | 三菱電機株式会社 | Terminal device |
| JP2003337639A (en) * | 2002-03-14 | 2003-11-28 | Systemneeds Inc | Electronic device and adapter device with iso-based connecting terminal |
| JP2004126671A (en) * | 2002-09-30 | 2004-04-22 | Fuji Photo Film Co Ltd | Battery pack |
| JP2004127020A (en) * | 2002-10-03 | 2004-04-22 | Canon Inc | Power supply device for usb interface connector |
| JP2004289541A (en) * | 2003-03-24 | 2004-10-14 | Mitsumi Electric Co Ltd | Storage device for portable telephone |
| JP2005258526A (en) * | 2004-03-09 | 2005-09-22 | Nec Saitama Ltd | Desk holder and portable terminal device system |
| KR100734128B1 (en) * | 2005-09-20 | 2007-06-29 | (주)휴먼정보통신 | USB Charging and Data Link system combined with external battery and external memory device |
| JP2007156605A (en) * | 2005-12-01 | 2007-06-21 | I-O Data Device Inc | External peripheral device and interface cable |
-
2007
- 2007-11-21 JP JP2007301854A patent/JP2009123177A/en active Pending
- 2007-11-28 KR KR1020070122270A patent/KR20090048537A/en not_active Application Discontinuation
-
2008
- 2008-11-05 CN CNU2008201786670U patent/CN201319511Y/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR20090048537A (en) | 2009-05-14 |
| JP2009123177A (en) | 2009-06-04 |
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