WO2013127071A1 - 计算机装置及其通用串行总线连接器的工作模式转换方法 - Google Patents
计算机装置及其通用串行总线连接器的工作模式转换方法 Download PDFInfo
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- WO2013127071A1 WO2013127071A1 PCT/CN2012/071765 CN2012071765W WO2013127071A1 WO 2013127071 A1 WO2013127071 A1 WO 2013127071A1 CN 2012071765 W CN2012071765 W CN 2012071765W WO 2013127071 A1 WO2013127071 A1 WO 2013127071A1
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- computer device
- universal serial
- serial bus
- output system
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
Definitions
- the present invention relates to a computer device having a universal serial bus connector, and more particularly to a method for quickly switching the operational mode of a universal serial bus connector.
- USB universal serial bus
- Smartphone Tablet PC
- eBook eBook
- a typical computer device can be combined with the external USB device via a transmission line to provide a more diverse service to meet the needs of the user.
- the notebook computer can perform general charging and file transfer functions on the smartphone.
- file transfer includes data transmission of various music, photos or contacts.
- the notebook can charge the smartphone through the USB connector.
- the charging of the external USB device through the USB connector can be divided into two different working modes, a normal charging mode and a fast charging mode, the difference being the amount of charging current, and the current amount of the general charging mode is about 500 millimeters. Ampere (mA), the amount of current in the fast charge mode is approximately 1 ⁇ 2 amps (A). In other words, the notebook uses a fast charging mode to charge the smartphone faster, so the required charging time is shorter.
- the present invention provides a computer device.
- the USB device between the USB connector and the external USB device of the computer device does not need to be manually inserted and removed by the user.
- Direct conversion between fast charge mode and normal charge mode is not required.
- the invention provides a working mode conversion method of a USB connector, which is suitable for a computer device.
- the external USB device can be used to directly update the Basic Input Output System (BIOS), or the working mode is switched to the fast charging mode to quickly charge the external USB device.
- BIOS Basic Input Output System
- the control unit receives a fast charging command, the power-off unit performs power-off processing on the universal serial bus connector, and switches through the first switching unit to make the universal serial bus connector work in general.
- a charging mode when the control unit receives a general charging command, the power-off unit performs power-off processing on the universal serial bus connector, and switches through the first switching unit to enable the universal serial bus connector Works in normal charging mode.
- the invention provides a computer device comprising a USB connector, a power-off unit, a first switching unit, a south bridge chip, a reading unit, a control unit and a charging control unit.
- the USB connector is suitable for working in a normal charging mode or a fast charging mode for connecting an external USB device.
- the power down unit is connected to the USB connector.
- the first switching unit is connected to the USB connector for switching between the south bridge chip and the reading unit.
- the control unit is respectively connected to the power-off unit, the first switching unit, the south bridge chip and the reading unit, and is responsible for transmitting the control signal.
- the charging control unit is connected to the control unit. Among them, when the external USB device is connected to the USB connector, the USB connector operates in the normal charging mode.
- the charging control unit When the charging control unit receives the quick charging command, the charging control unit transmits a control signal of the fast charging mode to the control unit.
- the control unit controls the power-off unit to perform power-off processing on the USB connector, and the control unit controls the first switching unit to switch from the south bridge chip to the reading unit, so that the external USB device is connected to the reading unit, and the computer device is transparent. Quickly charge the external USB device through the USB connector.
- the charging control unit transmits a control signal for setting the computer device to the normal charging mode to the control unit.
- the control unit controls the power-off unit to perform power-off processing on the USB connector, and controls the first switching unit to switch back to the south bridge chip to enable the computer device to perform general charging or file transmission on the external USB device.
- the charging control unit when the computer device is in the power-on state, receives the quick charging command selected by the user through the user interface, so that the computer device enters the fast charging mode from the normal charging mode. .
- the charging control unit further includes receiving a shutdown preset command through the user interface, wherein the shutdown preset command causes the computer device to automatically switch to the fast charging mode after entering the shutdown state.
- the first switching unit is a USB switching unit, and is transparent
- the USB transfer interface is connected to the south bridge chip or the read unit.
- the computer device further includes a backup trigger unit, a delay unit, and a second switching unit.
- the delay unit is connected to the control unit.
- the backup trigger unit is connected to the control unit for receiving the backup trigger signal.
- the second switching unit is connected to the memory unit, and the second switching unit is used for switching between the south bridge chip and the control unit. After the backup trigger unit receives the backup trigger signal for starting the BIOS update mode, the control unit controls the power-off unit to perform power-off processing on the USB connector.
- control unit controls the second switching unit to switch from the south bridge chip to the control unit, and controls the delay unit to delay the reading time of the reading unit to the external USB device, and after the delay time ends, the reading unit can only The basic input/output system image (BIOS Image) stored in the external USB device is read to update the basic input/output system stored in the memory unit.
- BIOS Image basic input/output system image
- the computer device further includes a data storage unit connected to the control unit for storing software and/or hardware information related to the computer device.
- the control unit compares the basic input/output system stored in the memory unit to determine whether the basic input/output system image file is correct.
- control unit determines whether the basic input/output system image file includes a secure access mechanism. If so, the control unit decodes the basic input/output system image to release the secure access mechanism and updates the basic input/output system image after the secure access mechanism is removed.
- the second switching unit is a Serial Peripheral Interface (SPI) switching unit, and is connected to the south bridge chip or the control unit through a serial peripheral interface transmission interface.
- SPI Serial Peripheral Interface
- the computer device further includes a display unit.
- a display unit connected to the control unit is used to display relevant charging information during charging or related basic input/output system update information during the updating process.
- the invention further provides a working mode conversion method of a USB connector, which is suitable for a computer device.
- the computer device includes a USB connector, a first switching unit connected to the USB connector, and a second switching unit connected to the memory unit.
- the USB connector is suitable for connecting an external USB device with a USB interface.
- the first switching unit is configured to switch between the south bridge chip and the reading unit, and the second switching unit is configured to switch between the south bridge chip and the control unit.
- This working mode conversion method Includes the following steps.
- the backup trigger signal for starting the basic input/output system update mode is received first.
- the USB connector is powered down to initialize the state setting value of the external USB device and reset the south bridge chip of the computer device.
- the first switching unit connected to the south bridge chip is switched to the reading unit, and after the second switching unit connected to the south bridge chip is switched to the control unit, the waiting delay time ends. Next, it is determined whether a notification signal of the end of the delay time is received, and if so, the basic input/output system image file stored by the external USB device can be read by the reading unit, and the basic input/output system image file is compared. Finally, update the basic input and output system stored in the memory unit.
- the computer device further includes a data storage unit connected to the control unit for storing software and/or hardware information related to the computer device, wherein the comparison is performed on the basic input/output system image file.
- the correct method involves comparing the basic input/output system image with the software and/or hardware information stored in the data storage unit and the basic input/output system stored in the memory unit to determine whether the basic input/output system image is correct.
- the working mode conversion method further comprises determining whether the basic input/output system image file includes a secure access mechanism. If not, update directly with the above basic input/output system image. If so, the basic input/output system image is decoded to remove the secure access mechanism. It is also updated with the basic I/O system image after the secure access mechanism is removed.
- the computer device further includes a display unit
- the working mode conversion method further comprises presenting relevant update information in the process of updating the basic input/output system to the display unit.
- the invention further proposes a working mode conversion method of a USB connector, which is suitable for a computer device.
- the computer device includes a USB connector adapted to interface with an external USB device.
- This working mode conversion method includes the following steps. First, when the computer device is in the power-on state, the shutdown preset command is received, wherein the shutdown preset command is used to automatically switch to the fast charging mode after the computer device enters the shutdown state. Then, after the computer device switches to the fast charging mode, a backup trigger signal for starting the basic input/output system update mode is detected. And it is judged whether the external USB device connected to the USB connector has a basic input/output system image. If so, the basic input and output system in the computer device is updated in accordance with the basic input output system image file.
- the computer device receives the shutdown preset command set by the user through the user interface.
- the mode conversion method of the computer device further includes determining whether the basic input/output system image file stored by the external USB device includes a secure access mechanism. If not, update directly with the basic input/output system image. If so, the basic input/output system image is decoded to release the secure access mechanism and updated with the basic input/output system image after the secure access mechanism is removed.
- the mode conversion method of the computer device further comprises determining whether the basic input/output system in the computer device is updated successfully. If so, the USB connector is powered down to initialize the status settings of the external USB device. And the computer device is restored to the fast charging mode to quickly charge the external USB device.
- the computer device and the mode conversion method thereof provided by the present invention perform power-off time control by the power-off unit, so that the user device and the external USB device do not need to be manually inserted and removed by the user. Switch between fast charge mode and normal charge mode.
- the computer device of the present invention can also provide a BIOS image with a secure access mechanism for performing the updated function. Furthermore, even if the computer unit is turned off, it can be converted in BIOS update mode and fast charge mode.
- FIG. 1 is a block diagram of a computer device in accordance with an embodiment of the present invention.
- FIG. 2 is a flow chart of a method for converting a working mode of a universal serial bus connector according to an embodiment of the invention.
- FIG. 3 is a block diagram of a computer device in accordance with another embodiment of the present invention.
- FIG. 4 is a flow chart of a method for converting a working mode of a universal serial bus connector according to another embodiment of the present invention.
- Figure 5 (a) shows a schematic diagram of a BIOS image file with a secure access mechanism.
- Figure 5 (b) shows a schematic diagram of a secure access mechanism in the BIOS image file.
- 6 is a flow chart of a method for converting a working mode of a universal serial bus connector according to still another embodiment of the present invention.
- the power management state in the computer device of the present invention is divided into six by SO to S5 as defined by the Advanced Configuration and Power Interface (ACPI) specification.
- the stage goes to sleep.
- the SO phase indicates a normal power-on state
- the S5 phase indicates a power-off state.
- the computer device 100 is, for example, a desktop computer, a notebook computer, a workstation, a server, etc., and is not limited herein.
- the computer device 100 of the embodiment includes a universal serial bus (USB) connector 102, a power-off unit 104, a first switching unit 106, a reading unit 108, a south bridge chip 110, a control unit 112, and Charge control unit 114. Its functions are described as follows:
- the USB connector 102 can be used to connect an external USB device with a USB interface.
- the USB interface can be a standard USB interface, a Mini USB interface, or a Micro USB interface.
- the external USB device is, for example, a flash drive, a mobile phone, a smartphone, a tablet computer, or an e-book, and is not limited herein.
- a USB 2.0, USB 3.0, or other data transfer protocol equivalent to or higher than USB 3.0 can be used.
- the first switching unit 106 is coupled to a USB connector 102 that is switchable between the south bridge chip 110 and the reading unit 108.
- the first switching unit is, for example, a USB switching unit, and can be connected to the south bridge chip 110 or the reading unit 108 through a USB transmission interface.
- the control unit 112 is, for example, an Application Specific Integrated Circuit (ASIC) connected to the power-off unit 104, the first switching unit 108, the south bridge chip 110, and the reading unit 108, respectively.
- the control unit 112 is configured to transmit a control signal. To the above components.
- ASIC Application Specific Integrated Circuit
- the charging control unit 114 is connected to the control unit 112, and the charging control unit is configured to control the working mode of the USB connector (for example, a general charging mode or a fast charging mode). Meanwhile, the charging control unit 114 is configured to notify the control unit 112 to send a control signal. To the power-off unit 104, the power-off unit 104 is instructed to issue a power-off command to the USB connector 102 while setting the power-off time of the USB connector.
- the USB connector 102 when the USB connector 102 is connected to a general external USB device connector, in a preset state, the USB connector 102 operates in a normal charging mode, and the USB connector 102 is external to the external connector.
- the charging current of the USB device is approximately 0.5 amps (A). It should be noted that while in the normal charging mode, the computer device 100 can still transmit files to the external USB device through the USB connector 102.
- the USB connector 102 can be switched and controlled through a switch or an application on the computer device 100.
- the normal charging mode can be interrupted and the fast charging mode can be changed.
- the charging control unit 114 receives the quick charging command, and the charging control unit 114 transmits a control signal for setting the USB connector 102 to the fast charging mode to the control unit 112.
- the control unit 112 issues a power-off command to the power-off unit 104 and simultaneously sets the power-off time.
- the control unit 112 also controls the first switching unit 106 to switch from the south bridge chip 110 to the reading unit 108 to re-establish the connection between the external USB device and the USB connector 102, and when the connection is completed, the representative The operating mode of the USB connector is switched to the fast charging mode via the original general charging mode. Therefore, external
- the USB device and the first switching unit 106 can be coupled to the reading unit 108.
- the control unit 112 can quickly charge the external USB device through the reading unit 108, the first switching unit 106, and the USB connector 102. At this time, the charging current of the USB connector 102 to the external USB device is approximately between 1 and 2 amps (A).
- the charging control unit 114 when the charging control unit 114 receives an instruction to switch to the normal charging mode in the case where the USB connector operates in the fast charging mode, the charging control unit 114 transmits a control signal for converting the USB connector to the normal charging mode to Control unit 112. After receiving the control signal, the control unit 112 issues a power-off command to the power-off unit 104 and simultaneously sets the power-off time to reconnect the USB connector 102 to the external USB device. When the reconnection is completed, the working mode representing the USB connector has been changed from the original fast charging mode to the normal charging mode.
- the computer device 100 may further include a reset unit 116 connected in series between the control unit 112 and the south bridge chip 110 for resetting the south bridge chip 110.
- the control unit 112 controls the first switching unit 106 to switch back to the south bridge chip 110, and then passes through the reset unit 116, the south bridge chip 110, the first switching unit 106, and
- the USB connector 102 charges or archives an external USB device.
- the computer device 100 of the present invention controls the power-off time of the USB connector 102 through the power-off unit 104, so that the USB connector of the computer device 100 and the external USB device do not need to be manually inserted and removed by the user.
- the action can complete the re-linking function, and the USB connector in the power-on state can be switched between the fast charging mode or the normal charging mode.
- 2 is a flow chart of a method for converting a working mode of a universal serial bus connector according to an embodiment of the invention.
- the working mode conversion method of this embodiment is applicable to the computer device 100 of FIG. 1, and the computer device 100 is in a normal power-on state (so phase).
- the detailed steps of the method of the present embodiment are described below in conjunction with the components in the computer device 100:
- step S210 the reading unit 108 detects whether an external USB device is connected to the USB connector 102 in the computer device 100.
- the external USB device is, for example, a smartphone
- the computer device 100 is, for example, a notebook computer or a motherboard.
- step S220 the reading unit 108 reads the product information and model number of the external USB device, and the reading unit 108 records the product information and the model by the charging unit stored by the control unit 112 and the computer device 100. The files are compared to determine whether the external USB device can be quickly charged.
- step S230 the charging control unit 114 determines whether or not a fast charging command to be converted to the fast charging mode is received. If not, then in step S240, computer device 100 maintains the normal charging mode. If the external USB device can perform fast charging, and the charging control unit 114 receives an instruction to switch to the fast charging mode, steps S250 to S270 are performed. It should be noted that the user can select a quick charging command through a software user interface, for example, and the user interface transmits a fast charging command signal to the charging control unit 114.
- step S250 the control unit 112 controls the power-off unit 104 to issue a power-off command to the USB connector 102 while setting the power-off time to initialize the state setting value of the external USB device.
- step S260 the control unit 112 controls the first switching unit 106 to switch from the south bridge chip 110 to the reading unit 108 to re-establish the connection between the external USB device and the USB connector 102, and when the reconnection is completed, the USB The connector switches to fast charging mode.
- step S270 the USB connector can quickly charge the external USB device.
- BIOS Basic Input Output System
- the computer device 300 includes a USB connector 102, a power-off unit 104, a first switching unit 106, a reading unit 108, a south bridge chip 110 (110-1, 110-2), a control unit 112,
- the charging control unit 114 and the reset unit 116 further include a second switching unit 318 and a memory unit. 320.
- the south bridge chip 110-1 connected to the first switching unit 106 and the south bridge chip 110-2 connected to the second switching unit 318 are the same chip, and are only used to represent the difference of the connection pins.
- the second switching unit 318 is used to switch between the south bridge chip 110-2 and the control unit 112.
- the second switching unit 318 is, for example, a Serial Peripheral Interface (SPI) switching unit, and is connected to the south bridge chip 110-2 or the control unit 112 through an SPI transmission interface.
- SPI Serial Peripheral Interface
- the memory unit 320 is, for example, a flash memory for storing the BIOS of the computer device 300.
- POST Power On Self Test
- Backup trigger unit 322 can receive a backup trigger signal to initiate a BIOS update mode.
- the backup trigger unit 322 is, for example, a button on the motherboard of the computer device 300. When the user presses this button, the backup trigger unit 322 sends a signal to the control unit 112 to inform the control unit 112 that it is ready to enter the BIOS update mode.
- the data storage unit 324 is, for example, an electrically erasable read only memory (Electrically Erasable)
- data storage unit 324 includes various parameters of memory unit 320 or drive settings for USB, and the like.
- the delay unit 326 is for delaying the reading of the external USB device by the reading unit 108, and prevents the reading unit 108 from reading in a state where the external USB device is not ready to be finished, resulting in a reading failure.
- the operational mode conversion method of this embodiment is applicable to the computer device 300 of FIG.
- the computer device 300 is adapted to interface with an external USB device.
- the computer device 300 is, for example, a notebook computer
- the external USB device is, for example, a USB flash drive.
- the computer device 300 of the embodiment is not limited to a notebook computer, and any computer device having a motherboard (for example, a desktop computer, a notebook computer, a tablet computer, a workstation, a server, etc.) Both can be used as the computer device 300 of the present invention.
- the external USB device of this embodiment is not limited to the USB flash drive. Please refer to Figure 3 and Figure 4 below.
- step S410 the backup trigger unit 322 receives a backup trigger signal for starting the BIOS update mode, and sends a signal to the control unit 112 to enter the BIOS update mode.
- step S420 after receiving the notification signal of the backup trigger unit 322, the control unit 112 then controls the power-off unit 104 to issue a power-off command to the USB connector 102, and simultaneously sets the power-off time to initialize the USB flash drive. Status setting value. Further, the control unit 112 controls the reset unit 116 to reset the south bridge chip 110-1.
- step S430 the control unit 112 sends a control signal to control the connection to the south bridge chip.
- the first switching unit 106 of 110-1 switches to the reading unit 108, and controls the second switching unit 318 connected to the south bridge chip 110-2 to switch to the control unit 112, waiting for the end of the delay time.
- the control unit 112 determines how much delay the delay unit 326 needs to delay based on the state of the USB flash drive.
- the delay unit 326 is responsible for delaying the reading of the internal USB device information by the reading unit 108. After the required delay time has elapsed, the reading unit 108 can read the internal information of the USB flash drive.
- step S440 the control unit 112 first needs to determine whether a notification signal of the delay unit 326 is received, and the notification signal represents the end of the delay time. If yes, proceed to step S450.
- step S450 the control unit 112 controls the reading unit 108 to read the BIOS image stored in the USB flash drive and compare the BIOS image files.
- the method for comparing the correctness of the BIOS image is to compare the BIOS image file with the relevant parameters stored in the data storage unit 324, the BIOS information, and the BIOS stored in the memory unit 320.
- the data stored in the data storage unit 324 and the memory unit 320 is used to determine whether the BIOS image stored in the USB flash drive is a BIOS version that can be updated by the computer device 300. Accordingly, it is avoided that the update failure causes the computer device 300 to be inoperable.
- FIG. 5(a) is a schematic diagram of a BIOS image with a security access mechanism.
- a BIOS image file 500 with a secure access mechanism is composed of a data block 510 and a data block 520.
- the data block 520 is a BIOS data well known in the art, and the file size is about 8M.
- Microsoft Windows Operating System 8 Windows 8
- the product key of its operating system is written to data block 510.
- FIG. 5(b) is a schematic diagram showing a secure access mechanism in the BIOS image file. Referring to FIG. 5(b), the BIOS image file including the data block 510 and the data block 520 cannot be The BIOS is updated. Therefore, the control unit 112 first determines whether the product key stored in the data block 510 is correct. If the product key is correct, the control unit 112 performs a remove shell action to update the content.
- the control unit 112 will not be able to perform the unpacking operation, that is, the computer device 300 cannot update the BIOS stored in the memory unit 320.
- the protection mechanism can prevent the hacker from arbitrarily invading and tampering with the BIOS of the computer device 300.
- step S480 the computer device 300 updates the BIOS stored in the memory unit 320 with the BIOS image file after the secure access mechanism is released. Accordingly, the computer device 300 of the present embodiment can be updated by using a BIOS image file with a secure access mechanism in the USB flash drive.
- Figure 6 is a flow chart showing an operation mode conversion method of a universal serial bus connector according to still another embodiment of the present invention.
- the operation mode conversion method of this embodiment is applied to the computer device 300 of Fig. 3, which will be referred to hereinafter with reference to Figs. 3 and 6.
- step S610 when the computer device 300 is in the power-on state (e.g., the S0 phase), the charging control unit 114 is responsible for receiving the shutdown preset command.
- the shutdown preset command is used to automatically switch to the fast charging mode after the computer device 300 enters a shutdown state (for example, the S5 phase).
- the user can set the shutdown preset command through the software user interface. In other words, the user can decide to maintain the normal charging mode or the fast charging mode when the computer device 300 enters the shutdown state.
- step S620 after entering the shutdown state, the computer device 300 automatically switches to the fast charging mode.
- the conversion method has been described in detail in the foregoing embodiments, and the description is not repeated here.
- step S630 the backup trigger unit 322 detects whether there is a backup trigger signal for starting the BIOS update mode.
- step S640 the reading unit
- step S650 the control unit 112 determines whether the BIOS image of the external USB device includes a secure access mechanism. If yes, proceed to step S660 to decode and unpack the BIOS image file to release the secure access mechanism.
- step S670 the computer device 300 updates the BIOS stored in the memory unit 320 with the BIOS image file after the security access mechanism is released. Finally, follow the steps after the BIOS update is complete. S680, the control unit 112 controls the power-off unit 104 to issue a power-off command to the USB connector 102, and sets the power-off time to initialize the state setting value of the external USB device, and returns to the fast charging mode.
- the computer device 300 enters a retry phase if the number of retries of the computer device 300 has reached the preset number of retries. The upper limit, the computer device 300 directly enters the update failure state, and vice versa. If the computer device 300 updates the BIOS and passes the verification, the update on behalf of the computer device 300 is successful, thus restoring to the fast charging mode.
- the computer device 300 of the present embodiment may further include a display unit 328, which may be used to display information such as an update failure or a successful update.
- the charging control unit 114 can also detect the amount of charging current and detect whether the external USB device has completed charging. The amount of charging current and the result of charging can be presented on display unit 328 via control unit 112.
- the computer device provided by the present invention passes through the power-off unit pair in the power-on state.
- the power-off time control of the USB connector enables the re-linking function between the computer device 100 and the external USB device without manual insertion and removal by the user, thereby between the fast charging mode and the normal charging mode. Make the conversion.
- the computer device of the present invention can be updated by using a BIOS image file having a secure access mechanism in the external USB device. Moreover, even if the computer device is turned off, the conversion can be performed in the fast charging mode or the BIOS update mode, and the user does not need to perform manual insertion and removal during the conversion process. Accordingly, the present invention simplifies the steps of a user operating a computer device and enhances the functionality of a computer device having a USB connector.
Abstract
Description
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Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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US14/381,964 US9557791B2 (en) | 2012-02-29 | 2012-02-29 | Computer device and method for converting working mode of universal serial bus connector of the computer device |
CN201280070897.4A CN104220958B (zh) | 2012-02-29 | 2012-02-29 | 计算机装置及其通用串行总线连接器的工作模式转换方法 |
JP2014559053A JP5864785B2 (ja) | 2012-02-29 | 2012-02-29 | コンピュータ装置及びそのユニバーサルシリアルバスコネクタの作業モード転換方法 |
EP12869789.3A EP2821882B1 (en) | 2012-02-29 | 2012-02-29 | Computer device and method for converting working mode of universal serial bus connector of the computer device |
PCT/CN2012/071765 WO2013127071A1 (zh) | 2012-02-29 | 2012-02-29 | 计算机装置及其通用串行总线连接器的工作模式转换方法 |
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PCT/CN2012/071765 WO2013127071A1 (zh) | 2012-02-29 | 2012-02-29 | 计算机装置及其通用串行总线连接器的工作模式转换方法 |
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US (1) | US9557791B2 (zh) |
EP (1) | EP2821882B1 (zh) |
JP (1) | JP5864785B2 (zh) |
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EP2821882A4 (en) | 2016-03-02 |
CN104220958A (zh) | 2014-12-17 |
EP2821882A1 (en) | 2015-01-07 |
JP5864785B2 (ja) | 2016-02-17 |
JP2015513739A (ja) | 2015-05-14 |
EP2821882B1 (en) | 2020-07-22 |
US20150082056A1 (en) | 2015-03-19 |
US9557791B2 (en) | 2017-01-31 |
CN104220958B (zh) | 2017-04-19 |
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