CN1549088A - USB equipment and switching method thereof - Google Patents
USB equipment and switching method thereof Download PDFInfo
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- CN1549088A CN1549088A CNA031266878A CN03126687A CN1549088A CN 1549088 A CN1549088 A CN 1549088A CN A031266878 A CNA031266878 A CN A031266878A CN 03126687 A CN03126687 A CN 03126687A CN 1549088 A CN1549088 A CN 1549088A
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- usb device
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Abstract
The present invention provides one kind of portable USB equipment and its switch method. The portable USB equipment may be in storing operation mode, radio communication operation mode or interruption operation mode. The portable USB equipment includes one USB interface module for connection to the USB interface of the system unit; one memory module for read/write data; one radio communication module for access to radio LAN to complete radio communication; and one switching module for switching between the memory module and radio communication module, with the switching module including one mechanical switch, the first analog switch and the second analog switch.
Description
[technical field]
The invention relates to a kind of USB (Universal Serial Bus, universal serial bus) equipment and be applicable to the changing method of this USB device, especially about a kind of portable USB equipment of tool several work pattern and be applicable to the changing method of this USB device.
[background technology]
At present, numerous with USB interface with the equipment that main frame (Host) is connected, as wireless communication card, modulator-demodular unit (Modem), flash memory disk (Flash Disk), magnetic tape station, scanner, printer etc.But the quantity of the USB interface slot of main frame is generally limited, and for the user who has a plurality of USB device, the USB interface slot of main frame is not enough to use for a plurality of USB device.
For the USB interface slot that solves main frame is not enough to problem for a plurality of USB device uses, a kind of existing method is to use usb hub (USB Hub), United States Patent (USP) the 5th as bulletin on July 21st, 1998,784, No. 581, promptly disclose a kind of a plurality of PORT COM (Communication Port) that provide to connect the usb hub of main frame and a plurality of USB device.Consulting shown in Figure 1ly, is a kind of prior USB hub root shape framework applications environment synoptic diagram.Usb hub 8 comprises some PORT COM, and it is connected to main frame 9 by a PORT COM, and some USB device 7 are connected to usb hub 8 by other PORT COM.Usb hub 8 becomes the extension USB interface of main frame 9, and main frame 9 can use some USB device 7 simultaneously by usb hub 8, forms a USB root shape framework thus.
Though the root shape framework of usb hub 8 can use a plurality of USB device 7 simultaneously, still, do not have under the additional power source situation at this framework, for the part portable device, the 500mA upper limit current of USB might swash this equipment of being unlikely to survive.In addition, need mutual the use in particular cases at a plurality of USB portable devices, for example different USB device need hiding host because of safety or other reason, and this framework is just infeasible.
[summary of the invention]
At the existing in prior technology deficiency, fundamental purpose of the present invention is to provide a kind of portable USB equipment and changing method thereof, and it can provide three kinds of work patterns that can switch mutually.
In order to realize purpose of the present invention, the invention provides a kind of portable USB equipment, this portable USB equipment can be in storage operation pattern, wireless telecommunications work pattern or interruption operation pattern.This portable USB equipment comprises that a usb interface module in order to connection main frame USB interface, carries out the wireless communication module and of wireless telecommunications in order to switch the handover module of storage module and wireless communication module in order to the storage module, that reads and writes data in order to insert radio area network.Wherein, handover module comprises a mechanical switch, first analog switch and second analog switch.Above-mentioned mechanical switch is in order to control the switching of first analog switch and second analog switch.When portable USB equipment was in the storage operation pattern, it can be used as a Portable USB storage facilities and uses; When portable USB equipment was in the wireless telecommunications work pattern, it can be used as a Portable USB wireless telecommunications system and uses; And under the interruption operation pattern, it keeps being connected with a kind of dormant state and main frame, waits for changing storage operation pattern or wireless telecommunications work pattern over to.
The present invention further provides a kind of changing method of USB device, it is applicable to above-mentioned portable USB equipment, and it comprises the steps: that (a) selects the work pattern parameter of USB device; (b) when selected work pattern parameter is the storage operation mode parameter, can carry out following step: (b1) mechanical switch switches to and stores the port, activates first analog switch and starts storage module; (b2) set up communication between usb interface module and storage module; (c) when selected work pattern parameter is wireless telecommunications work pattern parameter, can carry out following step: (c1) mechanical switch switches to the wireless telecommunications port, activates second analog switch and starts wireless communication module; (c2) set up communication between usb interface module and wireless communication module; (d) when selected work pattern parameter is the interruption operation mode parameter, can carry out following step: (d1) mechanical switch switches to and interrupts the port; (d2) the storage operation pattern of interruption U SB equipment or wireless telecommunications work pattern.
Compare the method for existing use usb hub, because the present invention can pass through the difference in functionality of the changing method of this USB device with mutual this USB device of use, so the user only need carry a USB device, just can read and write data or insert the switching of functions such as radio area network easily.
[description of drawings]
Fig. 1 is a prior USB hub root shape framework applications environment synoptic diagram.
Fig. 2 is the structural representation of USB device of the present invention.
Fig. 3 is the data flowchart of USB device of the present invention.
Fig. 4 is the operation process chart of the memory function changing method of USB device of the present invention.
Fig. 5 is the operation process chart of the wireless communication function changing method of USB device of the present invention.
Fig. 6 is the operation process chart of the interrupt function changing method of USB device of the present invention.
[embodiment]
Consulting shown in Figure 2ly, is the structural representation of USB device 6 of the present invention.USB device 6 of the present invention can be in storage operation pattern, wireless telecommunications work pattern or interruption operation pattern.The acquiescence work pattern of this USB device 6 is the storage operation pattern.When needs change the work pattern of this USB device 6, can switch by the handover module 62 of this USB device 6.When USB device 6 was in the storage operation pattern, it can be used as a USB storage facilities and uses; When USB device 6 was in the wireless telecommunications work pattern, it can be used as a USB wireless telecommunications system and uses; And under the interruption operation pattern, it keeps being connected with a kind of dormant state and main frame, waits for changing storage operation pattern or wireless telecommunications work pattern over to.
In the present embodiment, storage module 60 can be flash memory (Flash Memory) or EEPROM erasable non-volatile (Non-Volatile) internal memories such as (Electrically Erasable Programmable Read Only Memory).Wireless communication module 64 can be other portable USB equipment module, as MP3 player, radio-frequency card (Radio Frequency Identifier, RFID) etc.
Consulting shown in Figure 3ly, is the data flowchart of USB device 6 of the present invention.When using this USB device 6, the user selects a work pattern parameter, and this work pattern parameter comprises storage operation mode parameter, wireless telecommunications work pattern parameter and interruption operation mode parameter.According to selected work pattern parameter, the user is manually switched mechanical switch 620, and mechanical switch 620 produces corresponding work pattern order.Corresponding work pattern parameter, work pattern order comprise storage operation mode command, the order of wireless telecommunications work pattern and interruption operation mode command.When the operation mode command is the storage operation mode command, mechanical switch 620 transmits this storage operation mode command to the first analog switch 622, and activate (Enable) first analog switch 622 startup storage modules 60, at this moment, USB device 6 of the present invention is used as a USB storage facilities; When the operation mode command is the order of wireless telecommunications work pattern, mechanical switch 620 transmits this wireless telecommunications work pattern order to the second analog switch 624, and activate second analog switch 624 and start wireless communication modules 64, at this moment, USB device 6 of the present invention is used as a USB wireless telecommunications system; When the operation mode command is the interruption operation mode command, the storage or the wireless telecommunications work pattern of mechanical switch 620 interruption U SB equipment 6, at this moment, USB device 6 of the present invention keeps being connected with a kind of dormant state and main frame, waits for changing storage operation pattern or wireless telecommunications work pattern over to.
Consulting shown in Figure 4ly, is the operation process chart of the memory function changing method of USB device 6 of the present invention.The user selects a storage operation mode parameter (step S510).According to selected storage operation mode parameter, the user is manually switched mechanical switch 620 (consulting the 3rd figure) to storing port (step S520).Mechanical switch 620 produces a storage operation mode command, and transmits this storage operation mode command to the first analog switch 622 (step S530).By this storage operation mode command, mechanical switch 620 activates first analog switch 622 and starts storage module 60 (step S540).The communication that usb interface module 66 and storage module are 60 is set up, and USB device 6 of the present invention is used (step S550) as a USB storage facilities.
Consulting shown in Figure 5ly, is the operation process chart of the wireless communication function changing method of USB device 6 of the present invention.The user selects a wireless telecommunications work pattern parameter (step S610).According to selected wireless telecommunications work pattern parameter, the user is manually switched mechanical switch 620 (consulting the 3rd figure) to wireless telecommunications port (step S620).Mechanical switch 620 produces a wireless telecommunications work pattern order, and transmits this wireless telecommunications work pattern order to the second analog switch 624 (step S630).By this wireless telecommunications work pattern order, mechanical switch 620 activates second analog switch 624 and starts wireless communication module 64 (step S640).The communication that usb interface module 66 and wireless communication module are 64 is set up, and USB device 6 of the present invention is used (step S650) as a USB wireless telecommunications system.
Consulting shown in Figure 6ly, is the operation process chart of the interrupt function changing method of USB device 6 of the present invention.The user selects an interruption operation mode parameter (step S710).According to selected interruption operation mode parameter, the user is manually switched mechanical switch 620 (consulting the 3rd figure) to interrupting port (step S720).Mechanical switch 620 produces an interruption operation mode command (step S730).According to this interruption operation mode command, the storage of mechanical switch 620 interruption U SB equipment 6 or wireless telecommunications work pattern (step S740).
Claims (18)
1. USB device, it can the interjob mode operating, it comprises one in order to connect the usb interface module of main frame USB interface, it is characterized in that: this USB device further comprises a USB apparatus module, the 2nd USB apparatus module and one is in order to switch the handover module of a USB apparatus module and the 2nd USB apparatus module, this handover module comprises a mechanical switch, one first analog switch that is connected with a USB apparatus module, and second analog switch that is connected with the 2nd USB apparatus module, wherein, mechanical switch is controlled the switching of this first analog switch and second analog switch.
2. USB device as claimed in claim 1 is characterized in that a USB apparatus module is a storage module in order to read and write data.
3. USB device as claimed in claim 2 is characterized in that the 2nd USB apparatus module is one in order to insert the wireless communication module that radio area network carries out wireless telecommunications.
4. USB device as claimed in claim 3 is characterized in that this USB device can have three kinds of work patterns that can switch mutually at least: storage operation pattern, wireless telecommunications work pattern and interruption operation pattern.
5. USB device as claimed in claim 1 is characterized in that mechanical switch comprises that one stores port, a wireless telecommunications port and an interruption port.
6. USB device as claimed in claim 4 is characterized in that storing the port when mechanical switch switches to, and when setting up being connected of first analog switch and storage module, this USB device is in the storage operation pattern.
7. USB device as claimed in claim 4 is characterized in that switching to the wireless telecommunications port when mechanical switch, and when setting up being connected of second analog switch and wireless communication module, this USB device is in the wireless telecommunications work pattern.
8. USB device as claimed in claim 4 is characterized in that interrupting the port when mechanical switch switches to, and when the storage operation pattern of interruption U SB equipment or wireless telecommunications work pattern, this USB device is in the interruption operation pattern.
9. USB device, it can the interjob mode operating, it comprises one in order to connect the usb interface module of main frame USB interface, it is characterized in that: this USB device further comprises a storage module in order to read and write data, at least one USB apparatus module and one is in order to switch the handover module of storage module and above-mentioned USB apparatus module, this handover module comprises a mechanical switch, one first analog switch that is connected with above-mentioned storage module, and second analog switch that is connected with above-mentioned USB apparatus module, wherein, above-mentioned mechanical switch is controlled the switching of this first analog switch and second analog switch.
10. USB device as claimed in claim 9 is characterized in that above-mentioned USB apparatus module is one in order to insert the wireless communication module that radio area network carries out wireless telecommunications.
11. USB device as claimed in claim 10 is characterized in that this USB device can have three kinds of work patterns that can switch mutually at least: storage operation pattern, wireless telecommunications work pattern and interruption operation pattern.
12. USB device as claimed in claim 9 is characterized in that mechanical switch comprises that one stores port, a wireless telecommunications port and an interruption port.
13. as claim 11 a described USB device, it is characterized in that storing the port when mechanical switch switches to, when setting up being connected of first analog switch and storage module, this USB device is in the storage operation pattern.
14. as claim 11 a described USB device, it is characterized in that switching to the wireless telecommunications port when mechanical switch, when setting up being connected of second analog switch and wireless communication module, this USB device is in the wireless telecommunications work pattern.
15. as claim 11 a described USB device, it is characterized in that interrupting the port when mechanical switch switches to, when the storage operation pattern of interruption U SB equipment or wireless telecommunications work pattern, this USB device is in the interruption operation pattern.
16. the changing method of a USB device, it is applicable to claim 1 or 9 described USB device, it is characterized in that comprising the steps:
(a) the work pattern parameter of selection USB device;
(b) when selected work pattern parameter is the storage operation mode parameter, can carry out following
Step:
(b1) switch mechanical switch to storing the port, activate first analog switch and start the storage mould
Piece;
(b2) set up communication between usb interface module and storage module;
(c) when selected work pattern parameter is wireless telecommunications work pattern parameter, can carry out as
Under step:
(c1) switch mechanical switch to the wireless telecommunications port, activate second analog switch and start nothing
The line communication module;
(c2) set up communication between usb interface module and wireless communication module;
(d) when selected work pattern parameter is the interruption operation mode parameter, can carry out following
Step:
(d1) switch mechanical switch to interrupting the port;
(d2) the storage operation pattern of interruption U SB equipment.
17., it is characterized in that the work pattern parameter of step (a) USB device comprises at least: storage operation mode parameter, wireless telecommunications work pattern parameter and interruption operation mode parameter as the changing method of claim 16 a described USB device.
18., it is characterized in that step (d2) also comprises the wireless telecommunications work pattern of interruption U SB equipment as the changing method of claim 16 a described USB device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031266878A CN1549088A (en) | 2003-05-24 | 2003-05-24 | USB equipment and switching method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031266878A CN1549088A (en) | 2003-05-24 | 2003-05-24 | USB equipment and switching method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1549088A true CN1549088A (en) | 2004-11-24 |
Family
ID=34321969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031266878A Pending CN1549088A (en) | 2003-05-24 | 2003-05-24 | USB equipment and switching method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1549088A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100422992C (en) * | 2005-08-08 | 2008-10-01 | 扬智科技股份有限公司 | Dynamic switchover method and device of MTP protocol and MSC mode of portable multimedia device |
| CN100501790C (en) * | 2006-03-09 | 2009-06-17 | 索尼株式会社 | Peripheral equipment |
| WO2011060656A1 (en) * | 2009-11-19 | 2011-05-26 | 中兴通讯股份有限公司 | Universal serial bus (usb) data card, network registration method and system thereof |
| CN101452433B (en) * | 2007-11-30 | 2011-06-22 | 中兴通讯股份有限公司 | Diplex interface recognition device and method |
| CN102467351A (en) * | 2010-11-10 | 2012-05-23 | 鸿富锦精密工业（深圳）有限公司 | Universal serial bus (USB) flash disk and rapid storage and boot switching method thereof |
| CN102567264A (en) * | 2010-12-07 | 2012-07-11 | 启碁科技股份有限公司 | Universal serial bus hub and power source management method thereof |
| CN102880575A (en) * | 2011-07-15 | 2013-01-16 | 擎泰科技股份有限公司 | Data transmitting device and system for portable device and method thereof |
-
2003
- 2003-05-24 CN CNA031266878A patent/CN1549088A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100422992C (en) * | 2005-08-08 | 2008-10-01 | 扬智科技股份有限公司 | Dynamic switchover method and device of MTP protocol and MSC mode of portable multimedia device |
| CN100501790C (en) * | 2006-03-09 | 2009-06-17 | 索尼株式会社 | Peripheral equipment |
| CN101452433B (en) * | 2007-11-30 | 2011-06-22 | 中兴通讯股份有限公司 | Diplex interface recognition device and method |
| WO2011060656A1 (en) * | 2009-11-19 | 2011-05-26 | 中兴通讯股份有限公司 | Universal serial bus (usb) data card, network registration method and system thereof |
| CN101720127B (en) * | 2009-11-19 | 2012-11-28 | 中兴通讯股份有限公司 | USB data card, network registration method thereof and network registration system thereof |
| CN102467351A (en) * | 2010-11-10 | 2012-05-23 | 鸿富锦精密工业（深圳）有限公司 | Universal serial bus (USB) flash disk and rapid storage and boot switching method thereof |
| CN102567264A (en) * | 2010-12-07 | 2012-07-11 | 启碁科技股份有限公司 | Universal serial bus hub and power source management method thereof |
| CN102567264B (en) * | 2010-12-07 | 2015-05-06 | 启碁科技股份有限公司 | Universal serial bus hub and power source management method thereof |
| CN102880575A (en) * | 2011-07-15 | 2013-01-16 | 擎泰科技股份有限公司 | Data transmitting device and system for portable device and method thereof |
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