CN103488446B - A kind of method and apparatus of display mode of operation switching - Google Patents
A kind of method and apparatus of display mode of operation switching Download PDFInfo
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- CN103488446B CN103488446B CN201210191248.1A CN201210191248A CN103488446B CN 103488446 B CN103488446 B CN 103488446B CN 201210191248 A CN201210191248 A CN 201210191248A CN 103488446 B CN103488446 B CN 103488446B
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- 238000004520 electroporation Methods 0.000 abstract 1
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- 230000010365 information processing Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
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Abstract
The invention discloses a kind of method and apparatus of display mode of operation switching, it is related to electroporation field, the active switching of target operational mode can not be realized by solving USB video cards display in the prior art, especially when user and basic display unit are distant, it is necessary to return to basic display unit and switch over the problem of method of operation is made troubles to user.Methods described includes：USB video cards display obtains the target operational mode handover request of user's input；Target operational mode handover request is sent to main frame；Receive the instruction for allowing to switch the target operational mode that main frame is sent, and the corresponding information of the target operational mode；According to the corresponding information of the target operational mode of reception, current operation mode is switched into target operational mode.The embodiment of the present invention is mainly used in the process of USB video card displays mode of operation switching.
Description
Technical Field
The invention relates to the technical field of electricity, in particular to a method and a device for switching working modes of a display.
Background
The USB (Universal Serial BUS) display card display can be connected with the computer host through a USB cable, and has the advantages of plug and play and the like. Structurally, the USB display card display can be divided into a separated type and an integrated type. The separated USB display card display separates the display screen part and the USB display card from the structure. The integrated USB display card display integrates the USB display card and the display part together. In addition, the USB display card display is connected to the host computer in two ways, wired connection and wireless connection.
Currently, the USB display is usually used as an auxiliary display of a computer, and the main display is usually a conventional display. The USB display card display has two working modes: a mirror mode and an extended mode. The mirror mode is that the USB display card displays the same content as the main display; in the expansion mode, the USB display is used as an expansion interface of the main display, and it is generally default that the expansion direction displayed by the USB display is rightward expansion. The switching between the mirror image and the expansion of the USB display is usually performed on the main display, and the USB display serving as the auxiliary display can only passively receive the switching. However, when the USB display operates in the mirror mode, the USB display and the main display the same content, and the USB display can be switched from the mirror mode to the extended mode.
In the process of realizing the switching of the working modes of the USB display card display, the inventor finds that at least the following problems exist in the prior art: for the switching between the mirror image and the expansion mode of the USB display, the switching operation is usually performed on the main display, and especially when the current operating mode of the USB display is the expansion mode, it is impossible to actively switch the operating mode from the USB display to the mirror image operating mode, and especially when the distance between the user and the main display is long, such as when the USB display communicates with the host computer in a wireless manner, the user is inconvenienced by having to return to the main display for the switching operation. Moreover, in the case of a host computer without a main display, the user cannot switch from the extended mode to the mirror mode through the USB graphics card display. Further, the switching of the operation mode of the USB graphics card display must be controllable to prevent accidental switching from affecting the main display.
Disclosure of Invention
Embodiments of the present invention provide a method and an apparatus for switching working modes of a display, which implement controllable active switching working modes of a USB graphics card display, improve usability of the USB graphics card display, increase user experience, and reduce influence of non-controllable working mode switching on a main display.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for switching working modes of a display relates to a display system, which comprises a computer host, a main display and at least one USB display card, wherein the main display and the at least one USB display card are respectively connected with the computer host, and the method comprises the following steps:
the method comprises the steps that a USB display card display obtains a target working mode switching request input by a user, wherein the target working mode switching request is a request for switching the current working mode of the USB display card display to a target working mode;
the USB display card display sends the target working mode switching request to a computer host;
the USB display card display receives an instruction which is sent by the computer host and allows the target working mode to be switched and information corresponding to the target working mode;
and the USB display card display switches the current working mode into the target working mode according to the received information corresponding to the target working mode.
A method for switching the working mode of a display comprises the following steps:
the method comprises the steps that a computer host receives a target working mode switching request sent by a USB display card display, wherein the target working mode switching request is a request for switching the current working mode of the USB display card display to a target working mode;
the host computer judges whether the target working mode switching request meets a preset switching condition;
and when the target working mode switching request meets a preset switching condition, the host computer sends an instruction for allowing the target working mode to be switched and information corresponding to the target working mode to the USB display card display.
A USB graphics display coupled to a host computer, the host computer further coupled to a main display, comprising:
the device comprises an acquisition unit, a processing unit and a display unit, wherein the acquisition unit is used for acquiring a target working mode switching request input by a user, and the target working mode switching request is a request for switching the current working mode of the USB display card display to a target working mode;
a sending unit, configured to send the target operating mode switching request to a host computer;
a receiving unit, configured to receive an instruction, which is sent by the host computer and allows switching of the target operating mode, and information corresponding to the target operating mode;
and the switching unit is used for switching the current working mode into the target working mode according to the received information corresponding to the target working mode.
A host computer connected to at least one USB graphics card display and a main display, comprising:
the device comprises a receiving unit, a processing unit and a processing unit, wherein the receiving unit is used for receiving a target working mode switching request sent by a USB graphics card display, and the target working mode switching request is a request for switching the current working mode of the USB graphics card display to a target working mode;
the judging unit is used for judging whether the target working mode switching request meets a preset switching condition;
and the sending unit is used for sending an instruction for allowing the target working mode to be switched and information corresponding to the target working mode to the USB display card display when the target working mode switching request meets a preset switching condition.
According to the method and the device for switching the working modes of the display, the USB display card acquires a target working mode switching request input by a user and sends the target working mode switching request to the host computer, the host computer judges whether the target working mode switching request meets a preset switching condition or not, when the target working mode switching request meets the preset switching condition, the host computer sends an instruction allowing the target working mode to be switched and information corresponding to the target working mode to the USB display card, and the USB display card switches the current working mode to the target working mode according to the received instruction corresponding to the target working mode. The embodiment of the invention solves the problems that the USB display cannot realize the active switching of the target working mode in the prior art, particularly, when the current working mode of the USB display is an extended mode, the active switching of the working mode to a mirror image working mode cannot be realized, especially, the distance between a user and a main display is long, and the inconvenience is brought to the user by a method of returning to the main display for switching operation when the USB display communicates with a computer host in a wireless mode.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flowchart of a method for switching operating modes of a display according to embodiment 1 of the present invention;
fig. 2 is a flowchart of another method for switching operating modes of a display according to embodiment 1 of the present invention;
FIG. 3 is a diagram illustrating an internal structure of a display module of an integrated USB graphics card display according to the prior art;
FIG. 4 is a diagram illustrating an internal structure of a USB graphics card module of a separate USB graphics card display according to the prior art;
fig. 5 is a flowchart of a method for switching operating modes of a display according to embodiment 1 of the present invention;
fig. 6 is a schematic diagram of a layout of keys on a USB graphics card display according to embodiment 1 of the present invention;
fig. 7 is a flowchart of another method for switching operating modes of a display according to embodiment 1 of the present invention;
fig. 8 is a flowchart of another method for switching operating modes of a display according to embodiment 1 of the present invention;
fig. 9 is a structural diagram of a USB graphics card display according to embodiment 2 of the present invention;
fig. 10 is a structural diagram of an acquisition unit according to embodiment 2 of the present invention;
fig. 11 is an internal structural diagram of a display module in a USB graphics card display according to embodiment 2 of the present invention;
fig. 12 is a structural diagram of another acquisition unit provided in embodiment 2 of the present invention;
fig. 13 is a structural diagram of another acquisition unit provided in embodiment 2 of the present invention;
fig. 14 is a structural diagram of a host computer according to embodiment 2 of the present invention.
Detailed Description
The following describes a method and an apparatus for switching operating modes of a display according to an embodiment of the present invention in detail with reference to the accompanying drawings.
Example 1
The embodiment of the invention provides a method for switching working modes of a display, which relates to a display system and comprises a computer host, a main display and at least one USB display card display, wherein the main display and the at least one USB display card display are respectively connected with the computer host.
In the embodiment of the present invention, a USB graphics card display of the at least one USB graphics card display is taken as an example for description, and as shown in fig. 1, the method includes:
101. the method comprises the steps that a USB display card display obtains a target working mode switching request input by a user, wherein the target working mode switching request is a request for switching the current working mode of the USB display card display to a target working mode;
102. the USB display card display sends the target working mode switching request to a computer host;
103. the USB display card display receives an instruction which is sent by the computer host and allows the target working mode to be switched and information corresponding to the target working mode;
104. and the USB display card display switches the current working mode into the target working mode according to the received instruction corresponding to the target working mode.
According to the method for switching the working modes of the display, provided by the embodiment of the invention, the USB display card display acquires a target working mode switching request input by a user and sends the target working mode switching request to the host computer, then receives an instruction which is sent by the host computer and allows the target working mode to be switched and information corresponding to the target working mode, and switches the current working mode to the target working mode according to the received instruction corresponding to the target working mode. The embodiment of the invention solves the problem that the USB display cannot realize the active switching of the target working mode in the prior art, particularly when the current working mode of the USB display is an extended mode, the active switching of the working mode to a mirror image working mode cannot be realized, and particularly when a user is far away from a main display, the inconvenience is brought to the user by a method of returning to the main display for switching operation when the USB display communicates with a computer host in a wireless mode.
Accordingly, another method for switching the working modes of the display is provided in the embodiments of the present invention, as shown in fig. 2, which is executed by the host computer and includes the following steps:
201. the method comprises the steps that a computer host receives a target working mode switching request sent by a USB display card display, wherein the target working mode switching request is a request for switching the current working mode of the USB display card display to a target working mode;
202. the host computer judges whether the target working mode switching request meets a preset switching condition;
203. and when the target working mode switching request meets a preset switching condition, the host computer sends an instruction for allowing the target working mode to be switched to and information corresponding to the target working mode to the USB display card display.
In the method for switching the working modes of the display provided by the embodiment of the present invention, when the host computer receives a target working mode switching request sent by a USB graphics card display, by determining whether the target working mode switching request meets a preset switching condition, when the target working mode switching request meets the preset switching condition, the host computer sends an instruction allowing switching to the target working mode and information corresponding to the target working mode to the USB graphics card display, so that the USB graphics card display switches the working mode to the target working mode. The embodiment of the invention solves the problem that the USB display cannot realize the active switching of the target working mode in the prior art, particularly when the current working mode of the USB display is an extended mode, the active switching of the working mode to a mirror image working mode cannot be realized, particularly when a user is far away from a main display, and the inconvenience is brought to the user by a method of returning to the main display for switching operation when the USB display communicates with a host computer in a wireless mode.
As shown in fig. 3, the internal structure diagram of the display module in the integrated USB graphics card display in the prior art includes a USB graphics card processing chip, a random access memory, a power management unit, and a display screen.
The random access memory is used for storing information transmitted by the computer host through the universal serial bus, and the information is packaged into a data packet which can be transmitted by a USB cable by the computer host;
the USB graphics card processing chip is configured to process a data packet with information sent by the host computer, for example: and decapsulating the data packet carrying the information, then converting the decapsulated information into an LVDS (Low-voltage differential Signaling) or RGB signal, and driving a display screen to display the LVDS or RGB signal.
The power supply management unit is used for providing power supply for the USB display card processing chip, the RAM and the display screen; for example: the power supply management unit can perform voltage conversion according to the voltage requirements of the USB display card processing chip, the RAM and the display screen;
and the display screen is used for displaying the information sent by the USB display card processing chip.
As shown in fig. 4, the internal structure diagram of the USB Graphics card module in the separated USB Graphics card display in the prior art is similar to the internal structure diagram of the display module in the integrated USB Graphics card display, except that the output Interface of the USB Graphics card module is a VGA (Video Graphics Array ) Interface/DVI (Digital Video Interface), and is connected to the conventional display screen with an a/D board through a VGA/DVI cable.
The method for switching the working modes of the display provided by the embodiment of the invention is described by taking an integrated USB display card as an example, and the method for switching the modes by adopting a separated USB display card can be obtained by simple reasoning through the method in the embodiment. In a specific application, at least one key is arranged on the USB display card display, the key includes a physical key or a touch key, and the key is set to implement mode switching, switching to a mirror mode, switching to an extended mode, or switching to an extended mode in different directions, as shown in fig. 5, the method includes:
501. and the USB display card display acquires a target working mode switching request input by a user through clicking operation on a key.
In specific application, only one key can be arranged at any position on the USB display card display, the key is set to realize mode switching, namely when a user needs to switch the current working mode of the USB display card display, the user can switch between an extended mode and a mirror mode by clicking the key. For example, if the current working mode of the USB display is a mirror mode, after the key is clicked, the current working mode of the USB display is switched to an extended mode (default to right extension), or, when the current working mode of the USB display is an extended mode, after the key is clicked, the current working mode of the USB display is switched to a mirror mode.
Optionally, a plurality of keys shown in fig. 6 may be disposed on the USB graphics display, in which 601 is an integrated USB graphics display, 602 is a display screen, and 603 is a mode switching key, which respectively correspond to the mirror image mode, the right expansion mode, the left expansion mode, the up expansion mode, and the down expansion mode, where arrow keys in different expansion directions may be used to indicate the expansion mode corresponding to the expansion direction. For example, when a user needs to switch the current working mode to the mirror mode, a mirror mode button can be clicked; when a user needs to switch the current working mode to the expansion mode, the key corresponding to the expansion direction can be selected according to the requirement of the expansion direction of the user, and if the user needs to switch the expansion mode to the left side of the main display, the key expanded to the left side is clicked.
Further, a status light may be provided on the key for indicating the current status. Optionally, fig. 6 only shows a schematic diagram of a key layout, and other key layouts or different numbers of keys may also be applied to the present invention, and are also within the protection scope of the present invention.
502. And the USB display card display sends the target working mode switching request to the host computer.
And the USB graphics card display sends the obtained target working mode switching request to the host computer through a USB cable or a wireless module, which is not limited herein.
503. And the host computer receives the target working mode switching request sent by the USB display card display, wherein the target working mode switching request is a request for switching the current working mode of the USB display card display to a target working mode.
The computer receives the target working mode switching request, namely key information, sent by the USB graphics card display, and further judges whether the target working mode switching request meets a preset switching condition or not according to the key information, and when the target working mode switching request meets the preset switching condition, the computer host sends an instruction allowing switching to the target working mode and information corresponding to the target working mode to the USB graphics card display.
The specific application is as described in step 504-505.
504. The host computer judges whether the target working mode switching request meets the preset requirement for allowing the USB video card display to switch the target working mode or allowing the USB video card display to switch the target working mode through a key;
505. when the host computer presets and allows the USB graphics card display to switch the target working mode, or allows the USB graphics card display to switch the target working mode through a key, the host computer sends an instruction allowing the USB graphics card display to switch to the target working mode and information corresponding to the target working mode.
When the host computer receives the target working mode switching request sent by the USB display card display, whether the switching condition preset by the host computer is met or not is further judged according to the mode that the target working mode switching request is triggered. In this embodiment, if the host computer allows the USB graphics card display to switch the target operating mode, no matter what manner the USB graphics card display triggers the target operating mode switching request, the host computer sends, when receiving the target operating mode switching request sent by the USB graphics card display, an instruction allowing switching to the target operating mode and information corresponding to the target operating mode to the USB graphics card display.
Or if the host computer allows the USB graphics card display to switch the target working mode through the key, when the host computer receives a target working mode switching request obtained by the USB graphics card display through a user clicking the key, sending an instruction allowing switching to the target working mode and information corresponding to the target working mode to the USB graphics card display.
For example, when only one key is arranged on the USB graphics card display, the key is set to implement mode switching, and the host computer allows the USB graphics card display to perform target operating mode switching, if the current operating mode of the USB graphics card display is an extended mode, after the key is clicked, the current operating mode of the USB graphics card display is switched to a mirror mode, and when the host computer receives a target operating mode switching request of the USB graphics card display, the host computer sends an instruction allowing switching to the target operating mode and information corresponding to the mirror mode to the USB graphics card display;
or when the host computer allows the USB graphics card display to switch the target working mode through keys and receives a target working mode switching request of the USB graphics card display, sending an instruction allowing the USB graphics card display to switch to the target working mode and information corresponding to the mirror image mode.
When the USB display card display is provided with a plurality of keys, the processing method is similar to that described above, as long as the host computer allows the USB display card display to perform target working mode switching, or allows the USB display card display to perform target working mode switching through the keys, according to a received target working mode switching request triggering mode of the USB display card display, an instruction allowing switching to the target working mode is sent to the USB display card display, and information corresponding to the user selection keys is sent.
Optionally, when the host computer presets an permission for the USB graphics card display to perform target working mode switching, or allows the USB graphics card display to perform target working mode switching through a key, the host computer determines whether the current mode of the USB graphics card display is the same as the mode corresponding to the target working mode switching request, if so, the host computer does not perform switching, and if not, the host computer sends an instruction for allowing the USB graphics card display to switch to the target working mode, and information corresponding to the target working mode.
506. And when the target working mode switching request does not meet the preset switching condition, the host computer does not execute any operation.
And if the preset switching condition on the computer host is that the USB display card display is not allowed to switch the target working mode or the USB display card display is not allowed to switch the target working mode through keys, the computer host does not execute any operation.
507. The USB display card display receives an instruction which is sent by the computer host and allows the target working mode to be switched and information corresponding to the target working mode;
508. and the USB display card display switches the current working mode into the target working mode according to the received instruction corresponding to the target working mode.
After receiving the information, the USB display card displayer can switch modes by referring to the prior art.
Step 501-508 in the above embodiment is to set at least one key on the USB graphics card display, and the user clicks the key to trigger the target operating mode switching request.
In a specific application, a request for switching the target operating mode may be triggered by using an existing key on the USB display, for example, a switch key, where the switch key sets a first duration for closing the USB display and a second duration for switching the target operating mode, where the first duration for closing the USB display may be longer than the second duration, and when the duration for clicking the switch key is longer than the first duration, the USB display is closed, and when the duration for clicking the switch key is the second duration, the mode switching request is triggered, as shown in fig. 7, the specific operations are as follows:
701. and the USB display card display acquires a target working mode switching request input by a user through operation of clicking the switch machine key for a second time.
For example, if the current operating mode of the USB graphics card display is the mirror image mode, the duration of clicking the switch key is the second duration, the current operating mode of the USB graphics card display is switched to the extended mode (default to right extension), or, if the current operating mode of the USB graphics card display is the extended mode, the duration of clicking the switch key is the second duration, and the current operating mode of the USB graphics card display is switched to the mirror image mode.
702. And the USB display card display sends the target working mode switching request to the host computer.
And the USB graphics card display sends the obtained target working mode switching request to the host computer through a USB cable or a wireless module, which is not limited herein.
703. And the computer host receives a target working mode switching request sent by the USB display card display.
The computer receives the target working mode switching request, namely key information, sent by the USB graphics card display, and further judges whether the target working mode switching request meets a preset switching condition or not according to the key information, and when the target working mode switching request meets the preset switching condition, the computer host sends an instruction allowing switching to the target working mode and information corresponding to the target working mode to the USB graphics card display.
704. The host computer judges whether the target working mode switching request meets preset requirements for allowing the USB graphics card display to switch the target working mode or allowing the USB graphics card display to switch the target working mode through a switch key;
705. when the host computer presets and allows the USB display card display to switch the target working mode, or allows the USB display card display to switch the target working mode through a switch key, the host computer sends an instruction allowing the USB display card display to switch to the target working mode and information corresponding to the target working mode.
When the host computer receives the target working mode switching request sent by the USB display card display, whether the switching condition preset by the host computer is met or not is further judged according to the mode that the target working mode switching request is triggered. In this embodiment, if the host computer allows the USB graphics card display to switch the target operating mode, no matter what manner the USB graphics card display triggers the target operating mode switching request, the host computer sends, when receiving the target operating mode switching request sent by the USB graphics card display, an instruction allowing switching to the target operating mode and information corresponding to the target operating mode to the USB graphics card display.
Or if the host computer allows the USB graphics card display to switch the target working mode through the switch key, when the host computer receives a target working mode switching request obtained by the USB graphics card display through a user clicking the switch key, sending an instruction allowing switching to the target working mode and information corresponding to the target working mode to the USB graphics card display.
Optionally, when the host computer presets an permission for the USB graphics card display to perform target working mode switching, or allows the USB graphics card display to perform target working mode switching through a switch key, the host computer determines whether a current mode of the USB graphics card display working is the same as a mode corresponding to the target working mode switching request, if so, the host computer does not perform switching, and if not, the host computer sends an instruction for allowing the USB graphics card display to switch to the target working mode, and information corresponding to the target working mode.
706. And when the target working mode switching request does not meet the preset switching condition, the host computer does not execute any operation.
And if the preset switching condition on the host computer is that the USB graphics card display is not allowed to switch the target working mode or the USB graphics card display is not allowed to switch the target working mode through a switch key, the host computer does not execute any operation.
707. The USB display card display receives an instruction which is sent by the computer host and allows the target working mode to be switched and information corresponding to the target working mode;
708. and the USB display card display switches the current working mode into the target working mode according to the received information corresponding to the target working mode.
After receiving the information, the USB display card displayer can switch modes by referring to the prior art.
In the above embodiments, in the steps 701-708, the user clicks the power on/off key of the second duration to trigger the target operating mode switching request by using the existing key, such as the power on/off key, on the USB video card display.
In a specific application, when the USB graphics card display has a handwriting function, for example, an electromagnetic handwriting function, a user may input a target operating mode switching request by inputting a specific track, as shown in fig. 8, the specific steps are as follows:
801. and the USB display card display acquires a target working mode switching request input by a user through the input specific track.
The specific track, for example, the specific character, is preset, so that the user inputs the specific character to trigger the target working mode switching request, for example, inputs the 'mirror USB' to trigger the target working mode switching request.
802. And the USB display card display sends the target working mode switching request to the host computer.
And the USB graphics card display sends the obtained target working mode switching request to the host computer through a USB cable or a wireless module, which is not limited herein.
803. And the host computer receives the target working mode switching request sent by the USB display card display.
The computer receives the target working mode switching request, namely specific character information, sent by the USB graphics card display, and further judges whether the target working mode switching request meets a preset switching condition or not according to the key information, and when the target working mode switching request meets the preset switching condition, the computer host sends an instruction allowing switching to the target working mode and information corresponding to the target working mode to the USB graphics card display.
The specific application is as described in step 804-805.
804. The host computer judges whether the target working mode switching request meets preset requirements for allowing the USB graphics card display to switch the target working mode or allowing the USB graphics card display to switch the target working mode through an input specific track;
805. when the host computer presets a command allowing the USB graphics card display to switch the target working mode or allowing the USB graphics card display to switch the target working mode through an input specific track, the host computer sends a command allowing the USB graphics card display to switch the target working mode and information corresponding to the target working mode.
When the host computer receives the target working mode switching request sent by the USB display card display, whether the switching condition preset by the host computer is met or not is further judged according to the mode that the target working mode switching request is triggered. In this embodiment, if the host computer allows the USB graphics card display to switch the target operating mode, no matter what manner the USB graphics card display triggers the target operating mode switching request, the host computer sends, when receiving the target operating mode switching request sent by the USB graphics card display, an instruction allowing switching to the target operating mode and information corresponding to the target operating mode to the USB graphics card display.
Or, if the host computer allows the USB graphics card display to switch the target operating mode through the input specific track, when the host computer receives a target operating mode switching request obtained by the USB graphics card display through the specific track input by the user, the host computer sends an instruction allowing switching to the target operating mode and information corresponding to the target operating mode to the USB graphics card display.
Optionally, when the host computer presets an allowance for the USB graphics card display to perform target working mode switching, or allows the USB graphics card display to perform target working mode switching through a specific trajectory, the host computer determines whether the current mode of the USB graphics card display is the same as the mode corresponding to the target working mode switching request, if so, the host computer does not perform switching, and if not, the host computer sends an instruction allowing switching to the target working mode to the USB graphics card display, and information corresponding to the target working mode.
806. And when the target working mode switching request does not meet the preset switching condition, the host computer does not execute any operation.
And if the preset switching condition on the host computer is that the USB graphics card display is not allowed to switch the target working mode or the USB graphics card display is not allowed to switch the target working mode through a specific track, the host computer does not execute any operation.
807. The USB display card display receives an instruction which is sent by the computer host and allows the target working mode to be switched and information corresponding to the target working mode;
808. and the USB display card display switches the current working mode into the target working mode according to the received information corresponding to the target working mode.
After receiving the information, the USB display card displayer can switch modes by referring to the prior art.
Step 801-.
Example 2
The USB display card display provided in the embodiment of the present invention is connected to a host computer, and the host computer is further connected to a main display, as shown in fig. 9, the USB display card display includes: acquisition section 901, transmission section 902, reception section 903, and switching section 904.
The acquiring unit 901 is configured to acquire a target working mode switching request input by a user, where the target working mode switching request is a request for switching a current working mode of the USB graphics card display to a target working mode;
a sending unit 902, configured to send the target operating mode switching request to the host computer;
a receiving unit 903, configured to receive an instruction that allows switching to the target operating mode and information corresponding to the target operating mode, where the instruction is sent by the host computer;
a switching unit 904, configured to switch the current working mode to the target working mode according to the received information corresponding to the target working mode.
According to the USB display card display provided by the embodiment of the invention, a target working mode switching request input by a user is acquired through an acquisition unit and is sent to a computer host through a sending unit, then a receiving unit receives a command which is sent by the computer host and allows the target working mode to be switched, and information corresponding to the target working mode, and according to the received information corresponding to the target working mode, a current working mode is switched to the target working mode through a switching unit. The embodiment of the invention solves the problem that the USB display cannot realize the active switching of the target working mode in the prior art, particularly when the current working mode of the USB display is an extended mode, the active switching of the working mode to a mirror image working mode cannot be realized, and particularly when a user is far away from a main display, the inconvenience is brought to the user by a method of returning to the main display for switching operation when the USB display communicates with a computer host in a wireless mode.
Optionally, at least one key is disposed on the USB display card display, where the key includes a physical key or a touch key, and the key is set to implement mode switching, switching to a mirror mode, switching to an extended mode, or switching to an extended mode in different directions, as shown in fig. 10, the obtaining unit includes a first key processing module 11, and is configured to obtain a target working mode switching request input by a user through a click operation on the key.
As shown in fig. 11, the first key processing module may be a dedicated key processing circuit. The key information processing may also be performed by an existing device in the USB display, for example, in the power management unit shown in fig. 3, if there is a redundant single chip microcomputer or a redundant single chip microcomputer input/output interface in the power management unit, the key information processing may be performed by the single chip microcomputer in the power management unit, or may be performed by the USB display processing chip in the USB display shown in fig. 3. Further, after the USB graphics processing chip in the USB graphics display processes the key information, the key information can be sent to the host computer through the USB cable by the USB graphics processing chip, so that the USB hub shown in fig. 11 can be removed.
Optionally, when there is a power on/off key in the USB display, it is right that the power on/off key sets a first duration for turning off the USB display, and a second duration for switching the target operating mode, as shown in fig. 12, the obtaining unit includes: and the second key processing module 21 is configured to obtain a target working mode switching request input by a user through a second duration operation of clicking the switch machine key.
Optionally, when the USB graphics card display has a handwriting function, as shown in fig. 13, the obtaining unit includes: and the processing module 31 is configured to obtain a target operating mode switching request input by the user through the input specific track.
The operation process of the USB display card display refers to the processing process of the USB display card display in the mode switching method.
Accordingly, the embodiment of the present invention further provides a host computer connected to at least one USB graphics card display and one main display, as shown in fig. 14, the host computer includes a receiving unit 41, a determining unit 42, and a processing unit 43.
The receiving unit 41 is configured to receive a target working mode switching request sent by a USB graphics card display, where the target working mode switching request is a request for switching a current working mode of the USB graphics card display to a target working mode;
a judging unit 42, configured to judge whether the target operating mode switching request meets a preset switching condition;
and the processing unit 43 is configured to send, to the USB graphics card display, an instruction allowing switching to the target operating mode and information corresponding to the target operating mode when the target operating mode switching request meets a preset switching condition.
In the host computer according to the embodiment of the present invention, when a receiving unit receives a target working mode switching request sent by a USB graphics card display, a determining unit determines whether the target working mode switching request meets a preset switching condition, and when the target working mode switching request meets the preset switching condition, the host computer sends an instruction allowing switching to the target working mode and information corresponding to the target working mode to the USB graphics card display, so that the USB graphics card display switches a current working mode to the target working mode. The embodiment of the invention solves the problems that the USB display cannot realize the active switching of the target working mode in the prior art, particularly, when the current working mode of the USB display is an extended mode, the active switching of the working mode to a mirror image working mode cannot be realized, especially, the distance between a user and a main display is long, and the inconvenience is brought to the user by a method of returning to the main display for switching operation when the USB display communicates with a computer host in a wireless mode.
Wherein, the processing unit is further configured to not execute any operation when the target operating mode switching request does not satisfy a preset switching condition.
The operation process of the host computer refers to the processing process of the host computer in the mode switching method.
Through the above description of the embodiments, those skilled in the art will clearly understand that the present invention may be implemented by software plus necessary general hardware, and certainly may also be implemented by hardware, but in many cases, the former is a better embodiment. Based on such understanding, the technical solutions of the present invention may be substantially implemented or a part of the technical solutions contributing to the prior art may be embodied in the form of a software product, which is stored in a readable storage medium, such as a floppy disk, a hard disk, or an optical disk of a computer, and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute the methods according to the embodiments of the present invention.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A method for switching working modes of a display relates to a display system, which comprises a computer host, a main display and at least one USB display card, wherein the main display and the at least one USB display card are respectively directly connected with the computer host, and the method is characterized by comprising the following steps:
the method comprises the steps that a USB display card display obtains a target working mode switching request input by a user, wherein the target working mode switching request is a request for switching the current working mode of the USB display card display to a target working mode;
the USB display card display sends the target working mode switching request to a computer host;
the host computer judges whether the target working mode switching request meets a preset switching condition;
when the target working mode switching request meets a preset switching condition, the host computer sends an instruction for allowing switching to the target working mode and information corresponding to the target working mode to the USB graphics card display;
the USB display card display receives an instruction which is sent by the computer host and allows the target working mode to be switched and information corresponding to the target working mode;
and the USB display card display switches the current working mode into the target working mode according to the received information corresponding to the target working mode.
2. The method of claim 1, wherein the USB graphics display has at least one key, the key comprises a physical key or a touch key, the key is configured to switch to a mode, a mirror mode, an extended mode, or an extended mode in different directions,
the USB display card display acquiring a target working mode switching request input by a user comprises the following steps:
and the USB display card display acquires a target working mode switching request input by a user through clicking operation on a key.
3. The method according to claim 1, wherein when a power-on/off key exists in the USB graphics card display, a first time duration for turning off the USB graphics card display and a second time duration for performing target operating mode switching are set for the power-on/off key, and the acquiring, by the USB graphics card display, the target operating mode switching request input by the user includes:
and the USB display card display acquires a target working mode switching request input by a user through operation of clicking the switch machine key for a second time.
4. The method of claim 1, wherein when the USB graphics card display has a handwriting function, the acquiring, by the USB graphics card display, the target operating mode switching request input by the user comprises:
and the USB display card display acquires a target working mode switching request input by a user through the input specific track.
5. A method for switching working modes of a display relates to a display system, which comprises a computer host, a main display and at least one USB display card, wherein the main display and the at least one USB display card are respectively directly connected with the computer host, and the method is characterized by comprising the following steps:
the method comprises the steps that a computer host receives a target working mode switching request sent by a USB display card display, wherein the target working mode switching request is a request for switching the current working mode of the USB display card display to a target working mode;
the host computer judges whether the target working mode switching request meets a preset switching condition;
and when the target working mode switching request meets a preset switching condition, the host computer sends an instruction for allowing the target working mode to be switched to and information corresponding to the target working mode to the USB display card display.
6. The method of claim 5, wherein the handover condition comprises:
allowing the USB display card display to switch the target working mode; or,
allowing the USB display card display to switch the target working mode through a key; or,
allowing the USB display card display to switch the target working mode through a switch key; or,
and allowing the USB display card display to switch the target working mode through the input specific track.
7. A USB graphics display, directly connected to a host computer, the host computer also directly connected to a main display, comprising:
the device comprises an acquisition unit, a processing unit and a display unit, wherein the acquisition unit is used for acquiring a target working mode switching request input by a user, and the target working mode switching request is a request for switching the current working mode of the USB display card display to a target working mode;
a sending unit, configured to send the target operating mode switching request to a host computer;
a receiving unit, configured to receive an instruction, which is sent by the host computer and allows switching to the target operating mode, and information corresponding to the target operating mode;
and the switching unit is used for switching the current working mode into the target working mode according to the received information corresponding to the target working mode.
8. The apparatus of claim 7,
at least one key is arranged on the USB display card display, the key comprises a physical key or a touch key, the key is set to realize mode switching, switching to a mirror mode, switching to an extension mode or switching to an extension mode in different directions, and the acquisition unit comprises:
the first key processing module is used for acquiring a target working mode switching request input by a user through a key clicking operation;
or, when there is a power-on/off key in the USB display, it is right that the power-on/off key sets a first time length for closing the USB display, and a second time length for switching the target operating mode, where the obtaining unit includes:
the second key processing module is used for acquiring a target working mode switching request input by a user through operation of clicking the switch machine key for a second time length;
or, when the USB display card display has a handwriting function, the obtaining unit includes:
and the processing module is used for acquiring a target working mode switching request input by a user through the input specific track.
9. A host computer directly connected to at least one USB graphics card display and a main display, comprising:
the device comprises a receiving unit, a processing unit and a processing unit, wherein the receiving unit is used for receiving a target working mode switching request sent by a USB graphics card display, and the target working mode switching request is a request for switching the current working mode of the USB graphics card display into a target working mode;
the judging unit is used for judging whether the target working mode switching request meets a preset switching condition;
and the processing unit is used for sending an instruction for allowing the target working mode to be switched to and information corresponding to the target working mode to the USB display card display when the target working mode switching request meets a preset switching condition.
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| CN108540225B (en) * | 2018-03-15 | 2021-07-30 | 上海欣诺通信技术股份有限公司 | Board working mode switching method, communication equipment, control board and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6819961B2 (en) * | 1997-06-20 | 2004-11-16 | Hewlett-Packard Development Company, L.P. | Controls and indicators for a secondary operational mode of a computer system |
| CN101034358A (en) * | 2007-04-13 | 2007-09-12 | 珠海金山软件股份有限公司 | Method for double screen playing diapositive |
| CN101582019A (en) * | 2008-05-13 | 2009-11-18 | 联想(北京)有限公司 | Computer, network display card, method for controlling network display card and method for processing operation command |
| CN101692333A (en) * | 2009-10-13 | 2010-04-07 | 华南理工大学 | Portable wired/wireless high-performance display adaptor and adaptation method thereof |
| CN102063163A (en) * | 2011-01-05 | 2011-05-18 | 深圳市英卡特科技有限公司 | Multi-display screen vehicle-mounted computer |
-
2012
- 2012-06-11 CN CN201210191248.1A patent/CN103488446B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6819961B2 (en) * | 1997-06-20 | 2004-11-16 | Hewlett-Packard Development Company, L.P. | Controls and indicators for a secondary operational mode of a computer system |
| CN101034358A (en) * | 2007-04-13 | 2007-09-12 | 珠海金山软件股份有限公司 | Method for double screen playing diapositive |
| CN101582019A (en) * | 2008-05-13 | 2009-11-18 | 联想(北京)有限公司 | Computer, network display card, method for controlling network display card and method for processing operation command |
| CN101692333A (en) * | 2009-10-13 | 2010-04-07 | 华南理工大学 | Portable wired/wireless high-performance display adaptor and adaptation method thereof |
| CN102063163A (en) * | 2011-01-05 | 2011-05-18 | 深圳市英卡特科技有限公司 | Multi-display screen vehicle-mounted computer |
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