CN106843778A - Display automatic switchover system and its method - Google Patents
Display automatic switchover system and its method Download PDFInfo
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- CN106843778A CN106843778A CN201510883031.0A CN201510883031A CN106843778A CN 106843778 A CN106843778 A CN 106843778A CN 201510883031 A CN201510883031 A CN 201510883031A CN 106843778 A CN106843778 A CN 106843778A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
- G06F3/1431—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display using a single graphics controller
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- Theoretical Computer Science (AREA)
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- General Engineering & Computer Science (AREA)
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- Digital Computer Display Output (AREA)
Abstract
The present invention provides a kind of display automatic switchover system and its method, wherein the display automatic switching method, it passes through the display automatic switchover system and perform, comprises the following steps：Visual graphic controller produces a video signal；Logic circuit detects a connection status and an order of connection of the multiple display interface device and display, the selection result that the multiple display interface device has at least one display interface device of connection display is screened according to the connection status, and the display interface device of last connection display in the selection result is judged according to the selection result and the order of connection, produce switching signal of last connection display of a correspondence；And switching switch, the switching signal according to produced by the logic circuit, the video signal produced by the visual graphic controller is transferred to the display interface of last connection display of correspondence.
Description
Technical field
The present invention is a kind of display automatic switchover system and its method.
Background technology
With flourishing for computer networking technology, internet can provide different serving on internet to be one of important sources that people capture information by different servers.In general, server is mainly to be managed and safeguarded by information personnel (MIS) or webmaster personnel, when the management for carrying out server and when safeguarding, need to be connected with a server by a display, then the various settings and maintenance of server are carried out via the assistance of display.At present, server only has a display joint mostly, and the rear of server is designed at this joint more, therefore, when the management of information personnel server to be carried out and when safeguarding, usually because being intended to need Mobile Server using the relation of joint, to connect display.However, the method is fairly cumbersome, if the management of multiple servers need to be carried out simultaneously and safeguarded, quite a lot of time will be expended.
In view of this, the present invention provides a kind of display automatic switchover system, and it can facilitate information personnel to carry out the setting and maintenance of server on display for wanting to information personnel of switching video signals automatically.
The content of the invention
It is a primary object of the present invention to provide a kind of display automatic switchover system, its can switching video signals automatically to information personnel want display on, facilitate information personnel to carry out the setting and maintenance of server.
It is a kind of display automatic switchover system of the invention up to above-mentioned purpose, it is applied to a server, including：
Multiple display interface devices, it is used to connect display；
One visual graphic controller, it is used to produce a video signal；
One logic circuit, its the multiple display interface device of connection, a connection status and an order of connection for detecting the multiple display interface device and display, according to a selection result of at least display interface device for having connection display in the connection status the multiple display interface device of screening, and the display interface device of last connection display in the selection result is judged according to the selection result and the order of connection, it is used to produce switching signal of last connection display of a correspondence；And
One switching switch, its connection visual graphic controller, the logic circuit and the multiple display interface device, for the switching signal according to produced by the logic circuit, the video signal produced by the visual graphic controller is transferred to the display interface device of last connection display of correspondence.
Preferably, the logic circuit is CPLD.
Preferably, the multiple display interface device includes one first display interface device and a second display interface, and first display interface device sets the front end of the server, and the second display interface is arranged on the rear end of the server.
The present invention also provides a kind of display automatic switching method, it passes through described display automatic switchover system and performs, the display automatic switchover system is applied to a server, the server includes multiple display interface devices, one visual graphic controller, a logic circuit, and a switching switch, the switching switch connection visual graphic controller, the logic circuit and the multiple display interface device, it is comprised the following steps：
The visual graphic controller produces a video signal；
The logic circuit detects a connection status and an order of connection of the multiple display interface device and display, the selection result that the multiple display interface device has at least one display interface device of connection display is screened according to the connection status, and the display interface device of last connection display in the selection result is judged according to the selection result and the order of connection, produce switching signal of last connection display of a correspondence；And
Video signal produced by the visual graphic controller is transferred to the switching switch, the switching signal according to produced by the logic circuit display interface of last connection display of correspondence.
It is up to above-mentioned purpose, display automatic switchover system of the invention is by detecting in the multiple display interface device the display interface device that last connects display, produce a corresponding switching signal, video signal produced by the visual graphic controller is transferred to corresponding display interface device by the control switching switch, and then cause desired display work, reached can switching video signals automatically to information personnel want display on, facilitate information personnel to carry out the beneficial effect of setting and maintenance of server.
【Brief description of the drawings】
Fig. 1 is a kind of square principle figure of display automatic switchover system of the invention.
A kind of the step of Fig. 2 display automatic switching method of the invention flow chart
【Specific embodiment】
Refer to shown in Fig. 1, the present invention provides a kind of display automatic switchover system, and it is applied to a server, it includes multiple display interface devices, a visual graphic controller 20, a logic circuit 30 and a switching switch 40.
The multiple display interface device, it is used to connect display（Do not show）, in the present embodiment, for convenience of description, the multiple display interface device is by taking the first display interface device 10 and second display interface 11 as an example.
The visual graphic controller 20, it is used to produce a video signal.
The logic circuit 30, its the multiple display interface device of connection, a connection status and an order of connection for detecting the multiple display interface device and display, the selection result that the multiple display interface device has at least one display interface device of connection display is screened according to the connection status, and the display interface device of last connection display in the selection result is judged according to the selection result and the order of connection, it is used to produce switching signal of last connection display of a correspondence.For example,When the first display interface device 10 connects display,Second display interface 11 is also connected display by the person of being then used by,Then the logic circuit 30 will produce the switching signal of a correspondence second display interface 11,In another embodiment,When the first display interface device 10 connects display,Second display interface 11 is also connected display by the person of being then used by,Then,User disconnects the display of the second display interface 10,Then the logic circuit 30 will produce the switching signal of correspondence first display interface device 10,In another embodiment,When the first display interface device 10 connects display,Second display interface 11 is also connected display by the person of being then used by,Then,User disconnects the display of first display interface device 10,Then the first display interface device 10 is connected into display again,Then the logic circuit 30 will produce the switching signal of correspondence first display interface device 10.
The switching switch 40, its connection visual graphic controller 20, the logic circuit 30 and the multiple display interface device, for the switching signal according to produced by the logic circuit 30, video signal produced by the visual graphic controller 20 is transferred to the display interface of last connection display of correspondence, the display that the video signal is connected to it is transmitted with through one of display interface device.
In the present embodiment, the logic circuit 30 is CPLD (Complex Programmable
Logic Device, CPLD).
In the present embodiment, first display interface device 10 is arranged on the rear end of the server host, and the second display interface 11 is arranged on the front end of the server host.
Refer to shown in Fig. 2, the present invention also provides a kind of display automatic switching method, its display automatic switchover system for passing through shown in Fig. 1 is performed, the display automatic switchover system is applied to a server, and the server includes multiple display interface devices, a visual graphic controller, one logic circuit, and a switching switch, the switching switch connection visual graphic controller, the logic circuit and the multiple display interface device, it is comprised the following steps：
Step 100：The visual graphic controller produces a video signal；
Step 200：The logic circuit detects a connection status and an order of connection of the multiple display interface device and display, the selection result that the multiple display interface device has at least one display interface device of connection display is screened according to the connection status, and the display interface device of last connection display in the selection result is judged according to the selection result and the order of connection, the switching signal of last connection display of a correspondence is produced, step 300 is then performed；
Step 300：The 40 switching signal according to produced by the logic circuit of the switching switch, video signal produced by the visual graphic controller is transferred to the display interface of last connection display of correspondence, the display that the video signal is connected to it is transmitted with through one of display interface device.
In sum, the various embodiments described above and diagram are only presently preferred embodiments of the present invention, but can not with the restrictions present invention implementations scope, i.e., the impartial change made according to claims of the present invention generally and modify, should all remain within the scope of the patent.
Claims (6)
1. a kind of display automatic switchover system, it is applied to a server, it is characterised in that including：
Multiple display interface devices, it is used to connect display；
One visual graphic controller, it is used to produce a video signal；
One logic circuit, its the multiple display interface device of connection, a connection status and an order of connection for detecting the multiple display interface device and display, according to a selection result of at least display interface device for having connection display in the connection status the multiple display interface device of screening, and the display interface device of last connection display in the selection result is judged according to the selection result and the order of connection, it is used to produce switching signal of last connection display of a correspondence；And
One switching switch, its connection visual graphic controller, the logic circuit and the multiple display interface device, for the switching signal according to produced by the logic circuit, the video signal produced by the visual graphic controller is transferred to the display interface device of last connection display of correspondence.
2. display automatic switchover system according to claim 1, it is characterised in that the logic circuit is CPLD.
3. display automatic switchover system according to claim 1, it is characterized in that, the multiple display interface device includes one first display interface device and a second display interface, first display interface device sets the front end of the server, and the second display interface is arranged on the rear end of the server.
4. a kind of display automatic switching method, its display automatic switchover system for passing through described in claim 1 is performed, the display automatic switchover system is applied to a server, the server includes multiple display interface devices, one visual graphic controller, a logic circuit, and a switching switch, the switching switch connection visual graphic controller, the logic circuit and the multiple display interface device, it is comprised the following steps：
The visual graphic controller produces a video signal；
The logic circuit detects a connection status and an order of connection of the multiple display interface device and display, the selection result that the multiple display interface device has at least one display interface device of connection display is screened according to the connection status, and the display interface device of last connection display in the selection result is judged according to the selection result and the order of connection, produce switching signal of last connection display of a correspondence；And
Video signal produced by the visual graphic controller is transferred to the switching switch, the switching signal according to produced by the logic circuit display interface of last connection display of correspondence.
5. display automatic switching method according to claim 4, it is characterised in that the logic circuit is CPLD.
6. display automatic switching method according to claim 4, it is characterized in that, the multiple display interface device includes one first display interface device and a second display interface, first display interface device sets the front end of the server, and the second display interface is arranged on the rear end of the server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510883031.0A CN106843778A (en) | 2015-12-03 | 2015-12-03 | Display automatic switchover system and its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510883031.0A CN106843778A (en) | 2015-12-03 | 2015-12-03 | Display automatic switchover system and its method |
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| CN106843778A true CN106843778A (en) | 2017-06-13 |
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| CN201510883031.0A Pending CN106843778A (en) | 2015-12-03 | 2015-12-03 | Display automatic switchover system and its method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11474658B2 (en) | 2019-07-31 | 2022-10-18 | Hewlett-Packard Development Company, L.P. | Displays controlled based on multiple computing systems being idle or active |
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| CN101140510A (en) * | 2006-09-04 | 2008-03-12 | 程国亮 | Multipurpose handhold flat-panel display and signal transceiver based on 'wireless' technology |
| CN201611479U (en) * | 2010-01-21 | 2010-10-20 | 福建捷联电子有限公司 | Computer with USB data transmission function |
| CN103164183A (en) * | 2013-03-04 | 2013-06-19 | 广州市渡明信息技术有限公司 | Wireless display method, wireless display system, wireless display computer host and wireless display transit equipment |
| CN103513708A (en) * | 2012-06-28 | 2014-01-15 | 鸿富锦精密工业（深圳）有限公司 | Host, displayer and computer system |
| CN104423911A (en) * | 2013-08-28 | 2015-03-18 | 鸿富锦精密工业（深圳）有限公司 | Signal transmission device |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1873608A (en) * | 2005-05-30 | 2006-12-06 | 英业达股份有限公司 | Switching unit |
| CN101140510A (en) * | 2006-09-04 | 2008-03-12 | 程国亮 | Multipurpose handhold flat-panel display and signal transceiver based on 'wireless' technology |
| CN201611479U (en) * | 2010-01-21 | 2010-10-20 | 福建捷联电子有限公司 | Computer with USB data transmission function |
| CN103513708A (en) * | 2012-06-28 | 2014-01-15 | 鸿富锦精密工业（深圳）有限公司 | Host, displayer and computer system |
| CN103164183A (en) * | 2013-03-04 | 2013-06-19 | 广州市渡明信息技术有限公司 | Wireless display method, wireless display system, wireless display computer host and wireless display transit equipment |
| CN104423911A (en) * | 2013-08-28 | 2015-03-18 | 鸿富锦精密工业（深圳）有限公司 | Signal transmission device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11474658B2 (en) | 2019-07-31 | 2022-10-18 | Hewlett-Packard Development Company, L.P. | Displays controlled based on multiple computing systems being idle or active |
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Application publication date: 20170613 |
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