CN1331041C - Image display signal processing devices and method for double display units - Google Patents
Image display signal processing devices and method for double display units Download PDFInfo
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- CN1331041C CN1331041C CNB2004100214100A CN200410021410A CN1331041C CN 1331041 C CN1331041 C CN 1331041C CN B2004100214100 A CNB2004100214100 A CN B2004100214100A CN 200410021410 A CN200410021410 A CN 200410021410A CN 1331041 C CN1331041 C CN 1331041C
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Abstract
The present invention relates to a display, particularly to an image display signal processing device and a method for a double display. Under the condition that a user uses a personal computer PC to output image signals for a plurality of displays, if a power supply of any display in the displays is turned off, the personal computer PC detects the condition, displays with power input are allowed to output the image signals. The image display signal processing device is composed of a user interface, a first display, a second display and a personal computer PC, wherein the user interface is arranged for receiving the input of user' requested orders; the first display is used for displaying first image signals; the second display is used for displaying second image signals. The present invention has the advantage that user' dissatisfaction because images can not be displayed is prevented in advance; in the displays, if the power supply of any display is turned off, the displays which are powered on can also display images desired by the user.
Description
Technical field
The present invention relates to a kind of display, relate in particular to a kind of the user with under the condition of people's computer PC to a plurality of display output image signals one by one, if wherein any one display power supply is closed in a plurality of displays, then personal computer PC detects this situation, and only in the display that allows the power supply input, the image display signal treating apparatus and the method thereof of the dual screen of output image signal.
Background technology
Usually, the prescribed form picture signal that display transmits coupled personal computer PC video card through a series of signal processing procedures such as digital sample and calibration conversions, is presented at picture on the display device.
From using the miniscope of cathode-ray tube (CRT), along with the development display device of modern technologies trend to large scale development; From being suitable for the representational flat-panel monitor of giant display, development along with display technique, compare with existing cathode-ray tube CRT pattern, current truth is to have the LCD LCD of figure pattern of superior performances such as light, high image quality just in practicability.
And two (dual) display is to export by a plurality of picture signals with computer PC one by one, utilizes the system of a plurality of displays.When the user utilizes personal computer PC to carry out work,, carry out display frame with a plurality of displays by the output of a plurality of picture signals.Read various documents by display frame, and carry out mutual comparative analysis, input and editing etc., thereby can carry out multi-job.
Followingly describe as follows to the image signal processing apparatus of conventional art dual screen with reference to accompanying drawing.
Fig. 1 is that the picture signal of conventional art dual screen is handled calcspar.
Conventional art dual screen image signal processing apparatus is as shown in Figure 1, is to be made of following structure: the user interface 10 that the order of importing for the reception customer requirements is provided with; Come the personal computer PC 20 of transmitted image signal and control signal by the order of above-mentioned user interface 10 inputs; According to the control signal that transmits from above-mentioned personal computer PC 20, for showing formations such as the 1st display 30 that the respective image signal is provided with and the 2nd display 40.
Here, above-mentioned personal computer PC 20 is to be made of following structure: according to the order of above-mentioned user by user interface 10 input, and output corresponding control signal and the personal computer PC microprocessor 21 that is provided with; According to the control signal of above-mentioned personal computer PC microprocessor 21,, control the 1st picture signal output drive division 22 that is provided with for the output image signals corresponding to the 1st above-mentioned display 30; According to the control signal of above-mentioned individual's calculating PC microprocessor 21,, control the 2nd picture signal that is provided with for the output image signals corresponding and export drive division 23 etc. the 2nd above-mentioned display 40.
And the 1st above-mentioned display 30 is to be made of following structure: calculate the control signal of PC microprocessor 21 according to the individual, the 1st microprocessor 31 of output corresponding control signal; According to the control signal of above-mentioned the 1st microprocessor 31, the 1st display drive division 32 that the picture signal of exporting from above-mentioned the 1st picture signal output drive division 22 for demonstration is provided with etc.
And the 2nd above-mentioned display 40 is to be made of following structure: according to the control signal of above-mentioned individual's calculating PC microprocessor 21, the 2nd microprocessor 41 of output corresponding control signal; According to the control signal of the 2nd above-mentioned microprocessor 41, the 2nd display drive division 42 that the picture signal of exporting from above-mentioned the 2nd picture signal output drive division 23 for demonstration is provided with etc.
Image signal processing apparatus as the conventional art dual screen of above-mentioned formation is that the user passes through above-mentioned user interface 10 input commands, order according to input, want display image signals on the 1st above-mentioned display 30, in the 1st picture signal output drive division 22, be drive division 32 outputs by the 1st above-mentioned display, above-mentioned individual calculates PC microprocessor 21 control signal is outputed to the 1st microprocessor 31.
And, want display image signals on the 2nd above-mentioned display 40, in the 2nd picture signal output drive division 23, be drive division 42 outputs by the 2nd above-mentioned display, above-mentioned individual calculates PC microprocessor 21 control signal is outputed to the 2nd microprocessor 41.
Promptly, under the condition of using a plurality of displays, the user uses one by one people's computer PC to utilize a plurality of picture signals outputs, if any one display power supply is closed in a plurality of demonstrations, then personal computer PC is irrespectively exported respective image signal separately with a plurality of displays therewith.
Illustrated that as above-mentioned there is following point in the image signal processing apparatus of the dual screen of conventional art.
The first, if with people's computer PC one by one, to a plurality of display output image signals, then in a plurality of displays, to the pent state of the power supply of any one display, owing to do not detect the method for this situation, therefore, picture signal continues output.
The second, if the user carries out peripheral arbitrarily changing environment or user's operation error, content loss or fatal mistake etc. because of not noting causing power-off on display picture, do not make the user understand the method that above-mentioned situation takes place.
Summary of the invention
The present invention is for a kind of image display signal of dual screen treating apparatus and the method thereof of providing is provided.Purpose is to calculate PC with people one by one to receive a plurality of picture signals and output separately, in the dual screen that a plurality of display frames show separately, according to the power supply status of display, provides the output of picture signal can carry out selectivity and changes.
The image display signal treating apparatus of the dual screen that proposes for achieving the above object is to be made of following structure: the user interface that the order of importing for the reception customer requirements is provided with; Require the order of input to detect power supply status by above-mentioned user interface, and the 1st display that the 1st picture signal is shown; The 1st power supply unit that is provided with for the power supply status that detects the 1st display; Require the order of input to detect power supply status by above-mentioned user interface, and the 2nd display that the 2nd picture signal is shown; The 2nd power supply unit that is provided with for the power supply status that detects the 2nd display; Require the order of input to discern the 1st and the 2nd above-mentioned display power supply state by above-mentioned user interface; And,, selectively output to the 1st and the 2nd above-mentioned display and the personal computer PC controlled to the 1st and the 2nd above-mentioned picture signal according to the 1st and the 2nd display power supply state; Above-mentioned personal computer PC is to export the personal computer PC microprocessor of control signal by the order of user interface requirement input; The power supply status that the 1st above-mentioned power supply unit is detected is sent to the personal computer PC microprocessor; And according to personal computer PC microprocessor data signal intelligence, output control signal the 1st microprocessor; The power supply status that the 2nd above-mentioned power supply unit is detected is sent to the personal computer PC microprocessor; And according to personal computer PC microprocessor data signal intelligence, output control signal the 2nd microprocessor.
What propose for achieving the above object has the 1st and the 2nd a picture signal efferent, can link to each other with above-mentioned personal computer PC, and the 1st and the 2nd display is set, it is characterized in that constituting: personal computer PC is had the power supply input, then discern the cognitive phase of the permission power supply input state of the 1st and the 2nd display by the following stage; In the 1st and the 2nd display,, then, control the control stage of the 1st or the 2nd above-mentioned picture signal efferent for making picture signal can not output to the display of power-off if one of them power supply is a closed condition; And according to the output of the 1st and the 2nd above-mentioned picture signal efferent control, output to the picture signal separately of the 1st and the 2nd display, in the 1st and the 2nd above-mentioned display, the output stage that the display that the power supply input is arranged is exported simultaneously; If the power supply of the 1st and the 2nd above-mentioned display is on-state, then with the picture signal of above-mentioned the 1st and the 2nd picture signal efferent output, the demonstration stage that the 1st and the 2nd above-mentioned display is shown separately.
Advantageous effect of the present invention:
The first owing to come output image signal according to the display power supply state, so the advance preventing power supply to be closed the user who image can not be shown and cause discontented.
The second, because therefore the image output of restriction power-off direction reduce misoperation.
The 3rd, even if in a plurality of displays any one power down state, to the display of power connection, the desirable image of user all can show, thereby when increasing user satisfaction, provides to have the high-quality effect that makes things convenient for.
Description of drawings
Fig. 1 is the image display signal treating apparatus calcspar of conventional art dual screen.
Fig. 2 is the image display signal treating apparatus calcspar of dual screen of the present invention.
Fig. 3 is the image display signal process flow figure of dual screen of the present invention.
Among the figure 100: user interface; 200: the individual calculates PC; The 201:PC microprocessor; 202: the 1 picture signal efferents; 203: the 2 picture signal efferents; 300: the 1 display portions; 301: the 1 microprocessors; 302: the 1 power supply units; 303: the 1 display drive divisions; 400: the 2 display portions; 401: the 2 microprocessors; 402: the 2 power supply units; 403: the 2 display drive divisions.
Embodiment
Below, with reference to image display signal treating apparatus and the method thereof of drawing, be described in detail as follows dual screen of the present invention.
Fig. 2 is the image display signal treating apparatus calcspar of dual screen of the present invention; Fig. 3 is the image display signal process flow figure of dual screen of the present invention.
Dual screen image display signal treating apparatus of the present invention as shown in Figure 2, is to be made of following structure: the user interface 100 that the order of importing for the reception customer requirements is provided with; Require the order of input to detect power supply status by above-mentioned user interface 100, and the 1st display 300 that the 1st picture signal is shown; Require the order of input to detect power supply status by above-mentioned user interface, and the 2nd display 400 that the 2nd picture signal is shown; The 1st above-mentioned display 300 and the power supply status of the 2nd display 400 are discerned in order by above-mentioned user interface input; According to the 1st above-mentioned display 300 and the power supply status of the 2nd display 400, the 1st and the 2nd above-mentioned picture signal optionally outputed to the 1st above-mentioned display 300 and the 2nd display 400 and the personal computer PC 200 controlled.
Above-mentioned personal computer PC 200 is to be made of following structure: control signal is exported in the order by above-mentioned user interface 100 inputs; According to the 1st above-mentioned display 300 and the power supply status of the 2nd display 400, to the pent display of power supply, the personal computer PC microprocessor of controlling for image can not be exported 201; According to the control signal of above-mentioned personal computer PC microprocessor 201, to the 1st picture signal efferent 202 of the 1st display 300 output image signals; According to the control signal of above-mentioned personal computer PC microprocessor 201, to the 2nd picture signal efferent 203 of above-mentioned the 2nd display 400 output image signals.
The 1st above-mentioned display 300 is to be made of following structure: for detecting the 1st power supply unit 302 that power supply status is provided with; The power supply status of above-mentioned the 1st power supply unit 302 inputs is sent to personal computer PC microprocessor 201, and according to the data communication situation of personal computer PC microprocessor 201, can show the 1st display drive division of controlling 303 at picture for making from the picture signal of above-mentioned the 1st picture signal efferent 202 outputs.
And the 2nd above-mentioned display 400 is to be made of following structure: for detecting the 2nd power supply unit 402 that power supply status is provided with; The power supply status of above-mentioned the 2nd power supply unit 402 inputs is sent to personal computer PC microprocessor 201, and according to the data communication situation of personal computer PC microprocessor 201, can show the 2nd display drive division of controlling 403 at picture for making from the picture signal of above-mentioned the 2nd picture signal efferent 203 outputs.
Describe as follows to action as the image display signal treating apparatus of the dual screen of above-mentioned formation.If personal computer PC 200 is allowed the input power supply, then in above-mentioned personal computer PC 200, discerns the 1st above-mentioned display 300 and the power supply status of the 2nd display 400.Above-mentioned the 1st display 300 and the 2nd display 400 judge whether that the user closes display power supply, or other reason power-off, be to detect by the 1st power supply unit 302 and the 2nd power supply unit 402, therefore, in the 1st microprocessor 301 of the 1st above-mentioned display 300 and the 2nd display 400 inside and the 2nd microprocessor 401, can discern.
The 1st above-mentioned microprocessor 301 and the 2nd microprocessor 401 and above-mentioned personal computer PC microprocessor 201 by each other communicate by letter the 1st display 300 that above-mentioned personal computer PC microprocessor 201 identifications are above-mentioned and the power supply status of the 2nd display 400; And according to recognition result, whether the control chart image signal is exported in the 1st above-mentioned picture signal efferent 202 and the 2nd picture signal efferent 203.
For example, if the power supply of the 1st above-mentioned display 300 is a closed condition, the power supply that has only the 2nd display 400 is an on-state, then cuts off for picture signal can not be exported by the 1st picture signal efferent 202; Have only by the 2nd above-mentioned picture signal efferent 203 and show that the picture signal of wanting to show outputs to the 2nd display 400 in the 1st display 300.
In contrast,, have only the power connection state of the 1st display 300, then cut off for picture signal can not be exported by the 2nd picture signal efferent 203 if the power supply of the 2nd above-mentioned display 400 is a closed condition; Have only by the 1st above-mentioned picture signal efferent 202 and show that the picture signal of wanting to show outputs to the 1st display 300 in the 2nd display 400.
Image display signal disposal route to the dual screen of the present invention of above-mentioned formation describes with reference to Fig. 3, at first, judges whether the personal computer PC power source connects (S11).
According to above-mentioned judged result (S11),, judge then whether the power supply of the 1st above-mentioned display connects (S12) if above-mentioned personal computer PC power source is an on-state.
Above-mentioned judged result (S12) if the 1st above-mentioned display power supply is an on-state, judges then whether the 2nd above-mentioned display power supply connects (S13).
Above-mentioned judged result (S13), if the 1st and the 2nd above-mentioned display is on-state, then the 1st and the 2nd picture signal with the output of the 1st and the 2nd picture signal efferent outputs to the 1st and the 2nd display (S14) separately.
On the other hand, above-mentioned judged result (S12) if the 1st above-mentioned display power supply is not an on-state, judges then whether the 2nd above-mentioned display power supply connects (S15).
Then, above-mentioned judged result (S15) if the 2nd above-mentioned display power supply is an on-state, then by the 1st above-mentioned picture signal efferent, is cut off (S16) for picture signal can not be exported.
And, export simultaneously by the 2nd above-mentioned picture signal efferent and to want the 1st picture signal and the 2nd picture signal (S17) that show.
Then, by the picture signal of the 2nd picture signal efferent output, control (S18) in above-mentioned the 2nd display output for making it.
On the other hand, above-mentioned judged result (S13), if the 1st above-mentioned display power supply is an on-state, but the 2nd display power supply is a closed condition, then cuts off (S19) by the 2nd picture signal efferent for picture signal can not be exported.
And, export the picture signal of wanting by the demonstration of the 2nd display (S20) by the 1st above-mentioned picture signal efferent.
Then, by the picture signal of above-mentioned the 1st picture signal efferent output, in the 1st above-mentioned display, show and control (S21) for making.
Image display signal disposal route as above-mentioned dual screen of the present invention is: if personal computer PC 200 power connections are then at first discerned the power supply status of the 1st display 300 and the 2nd display 400; In above-mentioned the 1st display 300 and the 2nd display 400, wherein any one display power supply is connected, then above-mentioned personal computer PC and display separately are by this situation of communication check, and to the display of power connection, for picture signal can be exported, export control signal with image signals corresponding; To the display of power-off, the image of wanting to prepare to show in the display of power-off is all exported in the display of power connection.
And, if the 1st above-mentioned display 300 and the 2nd display 400 are on-states, then will be by the 1st above-mentioned picture signal efferent 202 and the 2nd picture signal efferent 203 output image signals, the display by separately shows; If the 1st above-mentioned display 300 and the 2nd display 400 power supplys are closed condition, then, make it all can not export and cut off by the picture signal of the 1st above-mentioned picture signal efferent 202 and 203 outputs of the 2nd picture signal efferent.
Claims (7)
1, a kind of image display signal treating apparatus of dual screen is characterized in that being made of following structure:
The user interface that the order of importing for the reception customer requirements is provided with;
Require the order of input to detect power supply status by above-mentioned user interface, and the 1st display that the 1st picture signal is shown;
The 1st power supply unit that is provided with for the power supply status that detects the 1st display;
Require the order of input to detect power supply status by above-mentioned user interface, and the 2nd display that the 2nd picture signal is shown;
The 2nd power supply unit that is provided with for the power supply status that detects the 2nd display;
Require the order of input to discern the 1st and the 2nd above-mentioned display power supply state by above-mentioned user interface; And,, selectively output to the 1st and the 2nd above-mentioned display and the personal computer controlled to the 1st and the 2nd above-mentioned picture signal according to the 1st and the 2nd display power supply state;
Above-mentioned personal computer is a personal computer microprocessor of exporting control signal by the order of user interface requirement input;
The power supply status that above-mentioned the 1st power supply unit is detected is sent to the personal computer microprocessor, and according to the 1st microprocessor of personal computer microprocessor data signal intelligence output control signal;
The power supply status that above-mentioned the 2nd power supply unit is detected is sent to the personal computer microprocessor, and according to the 2nd microprocessor of personal computer microprocessor data signal intelligence output control signal.
2, the image display signal treating apparatus of dual screen according to claim 1 is characterized in that also comprising:
According to above-mentioned personal computer microprocessor control signal, the 1st display is exported the 1st picture signal efferent of the 1st picture signal;
According to above-mentioned personal computer microprocessor control signal, above-mentioned the 2nd display is exported the 2nd picture signal efferent of the 2nd picture signal.
3, the image display signal treating apparatus of dual screen according to claim 1 is characterized in that the 1st above-mentioned display also comprises:
According to the 1st above-mentioned microprocessor control signal, for the picture signal that makes the output of the 1st picture signal efferent can show the 1st display drive division of controlling on picture.
4, the image display signal treating apparatus of dual screen according to claim 1 is characterized in that the 2nd display also comprises:
According to the 2nd above-mentioned microprocessor control signal, for the picture signal that makes the output of the 2nd picture signal efferent can show the 2nd display drive division of controlling on picture.
5, a kind of image display signal disposal route of dual screen has the 1st and the 2nd picture signal efferent, can link to each other with above-mentioned personal computer, and the 1st and the 2nd display is set, and it is characterized in that being made of the following stage:
Personal computer there is the power supply input, then discerns the cognitive phase of the permission power supply input state of the 1st and the 2nd display;
In the 1st and the 2nd display,, then, control the control stage of the 1st or the 2nd above-mentioned picture signal efferent for making picture signal can not output to the display of power-off if one of them power supply is a closed condition; And
According to above-mentioned output control to the 1st or the 2nd picture signal efferent, output to the picture signal separately of the 1st or the 2nd display, in the 1st or the 2nd above-mentioned display, the output stage that the display that the power supply input is arranged is exported;
If the power supply of the 1st and the 2nd above-mentioned display is on-state, then with the picture signal of above-mentioned the 1st and the 2nd picture signal efferent output, the demonstration stage that the 1st and the 2nd above-mentioned display is shown separately.
6, the image display signal disposal route of dual screen according to claim 5 is characterized in that
The control stage of controlling the 1st or the 2nd above-mentioned picture signal efferent is:
If the 1st display is an on-state, and the 2nd display is a closed condition,, be the cut-out stage of can not output image signal cutting off then by the 2nd above-mentioned picture signal efferent.
7, the image display signal disposal route of dual screen according to claim 5 is characterized in that
The control stage of controlling the 1st or the 2nd above-mentioned picture signal efferent is:
If the 1st display is a closed condition, and the 2nd display is an on-state,, be the cut-out stage of can not output image signal cutting off then by the 1st above-mentioned picture signal efferent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100214100A CN1331041C (en) | 2004-03-17 | 2004-03-17 | Image display signal processing devices and method for double display units |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100214100A CN1331041C (en) | 2004-03-17 | 2004-03-17 | Image display signal processing devices and method for double display units |
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| CN1670685A CN1670685A (en) | 2005-09-21 |
| CN1331041C true CN1331041C (en) | 2007-08-08 |
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| CNB2004100214100A Expired - Fee Related CN1331041C (en) | 2004-03-17 | 2004-03-17 | Image display signal processing devices and method for double display units |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO1991014978A1 (en) * | 1990-03-29 | 1991-10-03 | Fanuc Ltd | Numeric controller having a plurality of displays |
| US20020075230A1 (en) * | 2000-12-14 | 2002-06-20 | Hidehito Okuda | Display system, cursor position indication method, and recording medium |
| CN1363061A (en) * | 2000-02-21 | 2002-08-07 | 汤普汉德公司 | Data processing system using a dual monitor and controlling method of network system thereby |
| US20020135584A1 (en) * | 2000-04-03 | 2002-09-26 | Lee Eun Seog | Video graphic adaptor for driving sub-monitor of dual monitor using usb port |
| CN1107259C (en) * | 1994-04-15 | 2003-04-30 | 国际商业机器公司 | Multiple display pointers for computer graphical user interfaces |
-
2004
- 2004-03-17 CN CNB2004100214100A patent/CN1331041C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991014978A1 (en) * | 1990-03-29 | 1991-10-03 | Fanuc Ltd | Numeric controller having a plurality of displays |
| CN1107259C (en) * | 1994-04-15 | 2003-04-30 | 国际商业机器公司 | Multiple display pointers for computer graphical user interfaces |
| CN1363061A (en) * | 2000-02-21 | 2002-08-07 | 汤普汉德公司 | Data processing system using a dual monitor and controlling method of network system thereby |
| US20020135584A1 (en) * | 2000-04-03 | 2002-09-26 | Lee Eun Seog | Video graphic adaptor for driving sub-monitor of dual monitor using usb port |
| US20020075230A1 (en) * | 2000-12-14 | 2002-06-20 | Hidehito Okuda | Display system, cursor position indication method, and recording medium |
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| CN1670685A (en) | 2005-09-21 |
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