CN102446080A - Display device with interface control transfer function and interface control transfer method - Google Patents

Abstract

The invention discloses a display device with interface control transfer function, which comprises a main control right transfer control unit, wherein when the display device is electrically connected with a peripheral device, the main control right transfer control unit enables the display device to obtain the main control right of the peripheral device, when the display device is electrically connected with the peripheral device and an external device, the main control right transfer control unit provides user selection to determine whether the main control right of the peripheral device is transferred to the external device or not, and determines that the main control right of the peripheral device is obtained by the external device or the display device according to the selection of the user, wherein the display device and the external device both support the use of the peripheral device. By the display equipment with the interface control transfer function and the interface control transfer method, a user can complete the transfer of the master control right of the peripheral device through the master control right transfer control unit without plugging and unplugging the peripheral devices such as a keyboard, a mouse, an external storage device and the like one by one.

Description

Display device with interface control transfer function and interface control transfer method

technical field

The invention relates to a display device, in particular to a display device capable of transferring the master control right of a peripheral device electrically connected to the display device and an interface control transfer method thereof.

Background technique

The functions of the existing LCD screens are getting stronger and stronger, and the integration is getting higher and higher. Some LCD screens can be used independently, as shown in Figure 1A. This type of LCD screen 10 can be connected with various auxiliary peripheral devices, such as a first keyboard 11 , a first mouse 12 , and a first external storage device 13 . Wherein the first keyboard 11 and the first mouse 12 provide the manipulation input of the user interface of the LCD screen 10, and the first external storage device 13 can transmit the audio-visual data stored in it to the LCD screen 10 for playback or record the content played by the LCD screen 10 stored in it.

In addition, the LCD screen 10 can be connected to the host computer 20 as a display of the host computer 20, as shown in FIG. 1B. Since the host computer 20 usually also needs these auxiliary peripheral devices, a method is to connect the first keyboard 11 , the first mouse 12 , and the first external storage device 13 originally connected to the LCD screen 10 to the host computer 20 . This method requires the user to plug and unplug the first keyboard 11 , the first mouse 12 , and the first external storage device 13 by himself, which is extremely inconvenient for the user.

Another approach is to connect another set of peripheral devices (such as including a second keyboard 21 , a second mouse 22 , and a second external storage device 23 ) to the host computer 20 , as shown in FIG. 1C . This approach may require the use of redundant peripheral devices, which not only wastes the resources of the peripheral devices, but also increases the cost of the user.

Contents of the invention

The object of the present invention is to propose a display device with interface control transfer function and a method for interface control transfer, which can connect peripheral devices (such as keyboards, mice, external storage devices) electrically connected to display devices (such as liquid crystal screens) in It is used for external devices (such as computer hosts) that are electrically connected to the display device without plugging in or out.

The present invention provides a display device with an interface control transfer function, which includes a master control transfer control unit. When the display device is electrically connected to a peripheral device, the master transfer control unit enables the display device to obtain the peripheral device. The master control of the device, when the display device is electrically connected to the peripheral device and an external device, the master transfer control unit allows the user to choose whether to transfer the master control of the peripheral device to the external device, and according to the user It is determined by the selection of the peripheral device that the master control right of the peripheral device is obtained by the external device or the display device, wherein both the display device and the external device support the use of the peripheral device.

Another technical solution provided by the present invention is to provide an interface control transfer method, which is suitable for a display device, and the interface control transfer method includes:

initializing a master transfer control unit;

When the display device is electrically connected to a peripheral device, the master control transfer control unit enables the display device to obtain the master control of the peripheral device and reads the state of the display device;

The display device detects whether an external device is electrically connected to the peripheral device, wherein both the display device and the external device support the use of the peripheral device;

After confirming that the display device is electrically connected to the external device and the peripheral device, the display device displays that the external device is externally connected, and provides the user with a choice whether to transfer the control right of the peripheral device to the external device; and the control right The transfer control unit determines whether the master control of the peripheral device is obtained by the external device or the display device according to the user's selection.

The beneficial effect brought by the technical solution provided by the embodiment of the present invention is: through the display device with interface control transfer function and the interface control transfer method provided by the present invention, the user does not need to manually check the keyboard, mouse, external storage device and other peripheral devices one by one. The transfer of the master control of the peripheral device can be completed through the master transfer control unit by performing the plugging action, which can save the resources of the peripheral device and reduce the cost of the user.

Description of drawings

Figures 1A-1C are schematic diagrams of various collocation and usage modes of existing LCD screens, computer hosts and peripheral devices;

Fig. 2 is a schematic diagram of the architecture of a preferred embodiment of the present invention;

Fig. 3 is a schematic flow chart of a preferred embodiment of the present invention.

In the picture:

10. LCD screen, 11. first keyboard, 12. first mouse, 13. first external storage device, 20. external device (computer host), 21. second keyboard, 22. second mouse, 23. second External storage device, 30. Display device (LCD screen), 31. Master control transfer control unit;

S31. Initialize the master control transfer control unit, S32. The master control transfer control unit enables the display device to obtain the master control of the peripheral device, S33. The master control transfer control unit reads the status of the display device, S34. Whether to set It is automatic mode, S35. Whether to connect external devices, S36. The display device displays the information of external devices, and asks whether to transfer the master control of peripheral devices, S37. Whether to transfer the master control of peripheral devices, S38. Master control The transfer control unit transfers the master control right of the peripheral device to the external device.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

As shown in FIG. 2 , FIG. 2 is a schematic structural diagram of a preferred embodiment of the present invention. The present invention provides a display device 30 with an interface control transfer function, comprising:

A master control transfer control unit 31 , the master transfer control unit 31 can be implemented in software, hardware or firmware, and can be built in or externally connected to the display device 30 . When the display device 30 is electrically connected to a peripheral device, the master transfer control unit 31 enables the display device 30 to obtain the master control of the peripheral device. When the display device 30 is electrically connected to the peripheral device and an external device 20, the master control The transfer control unit 31 allows the user to choose whether to transfer the master control of the peripheral device to the external device 20, and determines whether the master control of the peripheral device is obtained by the external device 20 or the display device 30 according to the user's selection, wherein the display device 30 and the external device 20 both support the use of peripheral devices.

In this embodiment, the display device 30 includes a liquid crystal screen (LCD monitor), but this does not limit the present invention; ) and other display devices. The peripheral device includes a first keyboard 11, a first mouse 12 and a first external storage device (such as a flash drive or an external hard disk) 13, but this does not limit the present invention; for example, the peripheral device also includes a CD-ROM drive, a printer or a wireless device ( Such as a wireless mouse, a bluetooth headset, etc., can be any peripheral device supported by the display device 30 and the external device 20 . The external device 20 is a computer host, but it does not limit the present invention; for example, the external device 20 also includes any external device that can support the use of the peripheral device such as a smart phone, PDA (Personal Digital Assistant, personal digital assistant). The master transfer control unit 31 is built in the display device 30 .

In this embodiment, the display device 30 needs to be connected to the external device 20 through a VGA (Video Graphics Array) cable, so the I2C (Inter-Integrated Circuit) provided by the VGA cable can The bus detects whether it is connected with the external device 20, but it does not limit the present invention; for example, the display device 30 can be changed into a connection through an HDMI (High-Definition Multimedia Interface, high-definition multimedia interface) or other image transmission interface The wire is connected to the external device 20 . The display device 30 can also be connected to the external device 20 through a dedicated transmission line, so that the display device 30 can quickly transmit the data of the peripheral device connected to it to the external device 20 after the master control is transferred. The dedicated transmission line is, for example, USB (Universal Serial Bus, Universal Serial Bus) or IEEE 1394 and other high-speed transmission lines.

The display device 30 has an automatic mode and a manual mode. When the display device 30 is set to the automatic mode and the display device 30 is electrically connected to the external device 20 , the master transfer control unit 31 enables the display device 30 to display the information of the external device 20 . And when the display device 30 is set to the manual mode and the display device 30 is electrically connected to the external device 20, the display device 30 does not display the information of the external device 20. At this time, the user can use an operation interface (such as the On-ScreenDisplay interface) as required. or a touch interface, not shown in the figure) to select whether to transfer the master control of the peripheral device.

In addition, when the display device 30 is set to the manual mode and the display device 30 is electrically connected to the external device 20, the external device 20 can send a transfer request signal, and after the display device 30 receives a transfer request signal sent by the external device 20, the main The control transfer control unit 31 transfers the control right of the peripheral device to the external device 20 .

Please refer to FIG. 3 , which is a schematic flowchart of a preferred embodiment of the present invention. The present invention also provides an interface control transfer method, which is applicable to the display device 30 with the interface control transfer function as shown in FIG. When the display device 30 is electrically connected to the peripheral device, proceed to step S32: the master control transfer control unit 31 enables the display device 30 to obtain the master control right of the peripheral device. Proceed to step S33: the master transfer control unit 31 reads the state of the display device 30, and then proceed to step S34: whether it is set to automatic mode, so as to know whether the display device 30 is set to automatic mode or not.

The master transfer control unit 31 judges whether the display device 30 is set to the automatic mode, and if it is determined that the display device 30 is set to the automatic mode, the step S35 of the display device 30 detecting whether the external device 20 is electrically connected to the peripheral device is continued. If it is determined that the display device 30 is set to a non-automatic mode (ie manual mode), then return to step S33 where the master control transfer control unit 31 reads the state of the display device 30 . When the display device 30 is set to a non-automatic mode (i.e., a manual mode), steps S33 and S34 will be repeated until the user sets the display device 30 to an automatic mode through an operation interface, and it is determined in step S34 that the display device 30 is set to an automatic mode. Step S35 will be executed only in the automatic mode. In one embodiment, when the display device 30 is set to a non-automatic mode (ie, a manual mode), the user can select whether to transfer the control right of the peripheral device through an operation interface according to needs.

After confirming that the display device 30 is electrically connected to the external device 20 and the peripheral device, proceed to step S36: the display device 30 displays the information of the external device 20, and asks whether to transfer the master control of the peripheral device, so that the user can choose whether to connect the peripheral device The master control right of the device is transferred to the external device 20 .

The master control transfer control unit 31 determines whether the master control of the peripheral device is obtained by the external device 20 or the display device 30 according to the step S37 in which the user selects whether to transfer the master control of the peripheral device. Wherein, the user can perform a selection operation through, for example, the first keyboard 11 or the first mouse 12 . If the user chooses not to transfer the master control right of the peripheral device, then return to the step S33 where the master control transfer control unit 31 reads the status of the display device 30, and now the master control right of the peripheral device is still owned by the display device 30 . If the user selects to transfer the master control of the peripheral device, then the master control transfer control unit 31 is executed in step S38 of transferring the master control of the peripheral device to the main computer 20, and then returns to the master control transfer control unit 31 Step S33 of reading the state of the display device 30 .

In one embodiment, after the display device 30 is electrically connected to the external device 20 and the peripheral device, the external device 20 can actively send a transfer request signal to the display device 30, so as to transfer the master control of the peripheral device to the external device 20 .

Through the display device and interface control transfer method provided by the present invention, the user does not need to plug and unplug peripheral devices such as keyboards, mice, and external storage devices one by one. Completing the transfer of the master control right of the peripheral device can save the resources of the peripheral device and reduce the cost of the user.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention within.

Claims (9)

1. the display device with interface control forwarding function is characterized in that, comprises:

One ownership transfer control module; When this display device is electrically connected a peripheral unit; This ownership transfer control module makes this display device obtain the ownership of this peripheral unit; When this display device is electrically connected this peripheral unit and an external device; Whether this ownership transfer control module provides the user to select to make the ownership of this peripheral unit to be transferred to this external device, and determines the ownership of this peripheral unit to be obtained by this external device or this display device according to user's selection, and wherein this display device and this external device are all supported the use of this peripheral unit.

2. the display device with interface control forwarding function according to claim 1 is characterized in that, this ownership transfer control module can be software, hardware or firmware.

3. the display device with interface control forwarding function according to claim 1; It is characterized in that; When this display device was made as an automatic mode and this display device this peripheral unit of electrical connection and this external device, this ownership transfer control module made this display device show the information of external this external device.

4. the display device with interface control forwarding function according to claim 1; It is characterized in that; This display device is made as dynamic model formula on the other hand; Whether and when this display device was electrically connected this peripheral unit and this external device, this display device did not show the information of external this external device, select the ownership of this peripheral unit to shift through an operation-interface voluntarily by the user.

5. the display device with interface control forwarding function according to claim 4; It is characterized in that; After this display device reception transfer that this external device sent required signal, this ownership transfer control module was transferred to this external device with the ownership of this peripheral unit.

6. an interface control transfer method is applicable to a display device, it is characterized in that comprising:

Initialization one ownership transfer control module;

When this display device was electrically connected a peripheral unit, this ownership transfer control module made this display device obtain the ownership of this peripheral unit and reads this display device state;

Whether this display device detecting is electrically connected an external device and this peripheral unit, and wherein this display device and this external device are all supported the use of this peripheral unit;

After confirming that this display device is electrically connected this external device and this peripheral unit, show external this external device, and provide the user whether to select the ownership of this peripheral unit is transferred to this external device at this display device; And

This ownership transfer control module is obtained by this external device or this display device according to the ownership of this peripheral unit of selection decision of user.

7. interface control transfer method according to claim 6; It is characterized in that, after this ownership transfer control module reads this display device state, comprise and judge whether this display device is made as automatic mode; If be made as automatic mode; Then continue to carry out this display device detecting and whether be electrically connected the step of external device and peripheral unit,, then get back to the step that this ownership transfer control module reads this display device state if be made as non-automatic pattern.

8. whether interface control transfer method according to claim 6 is characterized in that, when this display device is made as non-automatic pattern, select this peripheral unit to shift through an operation-interface voluntarily by the user.

9. interface control transfer method according to claim 6; It is characterized in that; After this display device is electrically connected this external device and this peripheral unit; This external device can initiatively send a transfer and require signal to this display device, so that make this ownership transfer control module that the ownership of this peripheral unit is transferred to this external device.

Images