CN102495516B - Display system and method - Google Patents
Display system and method Download PDFInfo
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- CN102495516B CN102495516B CN201110387903.6A CN201110387903A CN102495516B CN 102495516 B CN102495516 B CN 102495516B CN 201110387903 A CN201110387903 A CN 201110387903A CN 102495516 B CN102495516 B CN 102495516B
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Abstract
The invention relates to the technical field of display, and discloses a display system and method. The system comprises at least one display unit, wherein each display unit comprises a first projector and a second projector which are provided with an interlocking mechanism respectively, as well as a crossing alignment which is used for connecting the two projectors; the crossing alignment is used for indicating the states of the projectors; and the projectors are used for jumping modes according to the states of the projector and the adjacent projector indicated by the crossing alignment. By utilizing the display system and method, the real-time performance and reliability of a system display image can be improved.
Description
Technical field
The present invention relates to display technique field, be specifically related to a kind of display system and method.
Background technology
In recent years, the development of the application market of spliced display wall is very fast, applies more and more extensive.Spliced display wall is widely used in various dispatching control centers and command and control center, and the various fields such as exhibition, advertisement, performing art, and presents a rapidly rising trend.
Due to the picture size of single projector can not do too large, in the time of showing the image of oversize, will form spliced display walls with several even tens projectors.In the prior art, work between these projectors is mutually independently, there is no communication mechanism, there is the shortcoming that reliability is not high, because once wherein any one projector occurs abnormal, can not be switched to other Yi Tai projector at once and carry out work, thereby the situation that causes blank screen or brightness to reduce cannot meet real-time, applied environment that reliability requirement is higher.
Summary of the invention
The problem that the embodiment of the present invention exists for above-mentioned prior art, provides a kind of display system and method, and raising system shows real-time and the reliability of image.
For this reason, the embodiment of the present invention provides following technical scheme:
A display system, comprising: at least one display unit, and the intersection that each display unit comprises two first projectors with interlocking mechanism and the second projector and is connected described Liang Ge projector is to line;
Described intersection, to line, is used to indicate the state of described projector;
Described projector, for carrying out pattern redirect according to described intersection to the machine of line indication and the state of adjacent machine.
Preferably, described projector comprises:
Storage unit, for store status jump list, described state transition table represents the mode of operation of described intersection to described projector under projector's different conditions of line indication;
Detecting unit, abnormal for detection of whether occurring in the described projector course of work;
Control module, for detecting after abnormal conditions at described detecting unit, indicates abnormality by described intersection to line, controls described projector carry out pattern redirect according to described state transition table; And to line, by described abnormality, notify another projector in the display unit of place by described intersection, so that the state transition table that described another projector stores according to oneself carries out pattern redirect.
Preferably, described intersection comprises line:
Local state feedback line and adjacent machine feedback of status line;
Described local state feedback line comprises: local signal class feedback of status line and the machine optics feedback of status line;
Described adjacent machine feedback of status line comprises: adjacent machine class signal feedback of status line and adjacent machine optics feedback of status line.
Preferably, described intersection is indicated the state of described projector in level mode to line.
Preferably, the mode of operation of described projector comprises:
The first mode of operation, the first projector is by 100% brightness work, and the second projector, by 0% brightness work, shows the video image of input;
The second mode of operation, the first projector is by 100% brightness work, and the second projector, by 0% brightness work, shows preset still image;
The 3rd mode of operation, the first projector is by 0% brightness work, and the second projector, by 100% brightness work, shows the video image of input;
The 4th mode of operation, the first projector is by 0% brightness work, and the second projector, by 100% brightness work, shows preset still image;
The 5th mode of operation, the first projector and the second projector carry out work by preset proportion separately, show the video image of input;
The 6th mode of operation, the first projector and the second projector carry out work by preset proportion separately, show preset still image;
The 7th mode of operation, the first projector and the second projector, by 0% brightness work, show without image.
A display packing, comprising:
By intersecting, line is connected to two the first projector and second projectors with interlocking mechanism in a display unit, and the state of indicating described projector;
Described projector carries out pattern redirect according to described intersection to the machine of line indication and the state of adjacent machine.
Preferably, the machine that described projector indicates line according to described intersection and the state of adjacent machine carry out pattern redirect and comprise:
In described projector testing process, whether occur abnormal;
If there is extremely, by described intersection, line to be indicated to abnormality, and carry out pattern redirect according to preset state transition table, described state transition table represents the mode of operation of described intersection to described projector under projector's different conditions of line indication;
By described intersection, to line, by described abnormality, notify another projector in the display unit of place, so that the state transition table that described another projector stores according to oneself carries out pattern redirect.
Preferably, described intersection comprises line:
Local state feedback line and adjacent machine feedback of status line;
Described local state feedback line comprises: local signal class feedback of status line and the machine optics feedback of status line;
Described adjacent machine feedback of status line comprises: adjacent machine class signal feedback of status line and adjacent machine optics feedback of status line.
Preferably, describedly by intersecting, to line, indicate the state of described projector to comprise:
By intersecting the state of described projector that line is indicated in level mode.
Preferably, the mode of operation of described projector comprises:
The first mode of operation, the first projector is by 100% brightness work, and the second projector, by 0% brightness work, shows the video image of input;
The second mode of operation, the first projector is by 100% brightness work, and the second projector, by 0% brightness work, shows preset still image;
The 3rd mode of operation, the first projector is by 0% brightness work, and the second projector, by 100% brightness work, shows the video image of input;
The 4th mode of operation, the first projector is by 0% brightness work, and the second projector, by 100% brightness work, shows preset still image;
The 5th mode of operation, the first projector and the second projector carry out work by preset proportion separately, show the video image of input;
The 6th mode of operation, the first projector and the second projector carry out work by preset proportion separately, show preset still image;
The 7th mode of operation, the first projector and the second projector, by 0% brightness work, show without image.
The display system that the embodiment of the present invention provides and method, by two the first projector and second projectors with interlocking mechanism are set in a display unit, by intersecting the state that line is connected described Liang Ge projector and indicates described projector, projector understands the state of the machine and adjacent machine in real time to line according to described intersection, real-time implementation pattern is switched.Thereby can occur when abnormal in display unit Zhong Youyige projector, can be switched to another projector's work at once, maximize and guarantee to show blank screen not and the brightness that shows image.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, to the accompanying drawing of required use in embodiment be briefly described below, apparently, the accompanying drawing the following describes is only some embodiment that record in the present invention, for those of ordinary skills, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of structural representation of display unit in embodiment of the present invention display system;
Fig. 2 is the process flow diagram of embodiment of the present invention display packing;
Fig. 3 is the workflow diagram of projector in the embodiment of the present invention.
Embodiment
In order to make those skilled in the art person understand better the scheme of the embodiment of the present invention, below in conjunction with drawings and embodiments, the embodiment of the present invention is described in further detail.
Display system of the present invention comprises at least one display unit, as shown in Figure 1, is a kind of structural representation of described display unit.
In this embodiment, the intersection that each display unit comprises two first projectors 11 with interlocking mechanism and the second projector 12 and is connected described Liang Ge projector is to line 13.Wherein, intersection is used to indicate the state of described projector to line 13; The first projector 11 and the second projector 12 carry out pattern redirect according to described intersection to the machine of line 13 indications and the state of adjacent machine respectively.
In this embodiment, intersect to the Liang Ge projector in the same display unit of line 13 connection, the other side's duty can be understood mutually by Rang Liangge projector, and real-time implementation mode of operation is switched.Thereby in display unit Zhong Youyige projector, occur when abnormal, can be switched to another projector's work at once, maximize and guarantee to show blank screen not and the brightness that shows image.
There are some key job status informations in each projector, if any no signal input, whether synchronizing signal is normal and whether light path is normal etc.One of performance information whether work of these information Ye Shi projector lost efficacy.These status informations are roughly divided into two classes, and a class is optics status information, comprise that scarce look, light path are abnormal etc.; An other class is class signal status information, comprises video input signals loss and synchronizing signal loss etc.
For this reason, in embodiments of the present invention, above-mentioned intersection is set to four direct-through lines to line 13, wherein two is local state feedback line, be used to indicate the state of this projector and feed back the state of this projector to another one projector in this display unit, other two is adjacent machine feedback of status line, is used to indicate the state Bing Xiangben projector feedback corresponding state of described another one projector.
Above-mentioned four direct-through lines divide into groups two groups, and one group is class signal feedback of status line, and another group is optics feedback of status line.That is to say, above-mentioned local state feedback line comprises: local signal class feedback of status line and the machine optics feedback of status line; Above-mentioned adjacent machine feedback of status line comprises: adjacent machine class signal feedback of status line and adjacent machine optics feedback of status line.
In order to represent simply, easily the duty of projector, in this embodiment, above-mentioned intersection can be indicated in level mode the state of projector to line 13.
Certainly, in order more accurately to indicate the different conditions of projector, described intersection can also comprise more direct-through line to line 13, indicates respectively and feed back a kind of state of projector.
In actual applications, can the various different working modes of display unit be wherein set according to the needs of application scenario, such as, display unit can be set several mode of operations shown in table 1.
Table 1:
Certainly, specific works can require to determine according to the required projector's brightness of practical application scene and equipment redundancy at the different working modes of which kind of pattern and system, this embodiment of the present invention not limited.
Continue in conjunction with Fig. 1 below, the display unit of take has the mode of operation shown in table 1 as example, the course of work of projector in the display unit of the further description embodiment of the present invention.
As shown in Figure 1, each projector is except comprising outside the general DMD of projector (Digital Micromirror Device, digital micro-mirror device) and optical sensor, in this embodiment, described projector also comprises: storage unit, detecting unit and control module.Wherein:
Described storage unit is for store status jump list, and described state transition table represents the mode of operation of described intersection to described projector under projector's different conditions of line indication;
Whether described detecting unit is abnormal for detection of occurring in the described projector course of work;
Described control module, for detecting after abnormal conditions at described detecting unit, is indicated abnormality by described intersection to line, controls described projector carry out pattern redirect according to described state transition table; And to line, by described abnormality, notify another projector in the display unit of place by described intersection, so that the state transition table that described another projector stores according to oneself carries out pattern redirect.
In this embodiment, by detecting unit, detect in projector's course of work whether occur extremely, specifically can having according to actual needs multiple implementation.Such as, described detecting unit can be by detecting the row of input signal, the cycle of field sync signal determines whether to occur class signal fault, such as detected every two field picture corresponding row synchronizing signal and field sync signal cycle in 1 second, if surpass continuously 5 frames, there is difference, think to have occurred signal fault.Described detecting unit can real time scan optical sensor alarm output signal, once find that the alarm output of optical sensor becomes high level, thinks and occurs light path fault.
Certainly, described detecting unit detect can also by alternate manner detect in the described projector course of work, whether occur abnormal.And described detecting unit can complete corresponding measuring ability by a functional module or a plurality of functional module.To this, the embodiment of the present invention does not limit.
Before mention, described state transition table represents the mode of operation of described intersection to described projector under projector's different conditions of line indication, and described intersection comprises four direct-through lines to line, divides into groups two groups, one group is class signal feedback of status line, and another group is optics feedback of status line.
Therefore, can, in conjunction with the mode of operation of the display unit shown in above-mentioned table 1, state transition table as shown in table 2 be set.
Table 2:
This table definition various states there is the mode of operation of projector when abnormal.
Under normal circumstances, the Liang Ge projector of display unit enters certain mode of operation after the start that powers on, and carries out image demonstration.In operational process, once above-mentioned detecting unit detects, self projector breaks down or extremely, the control module of projector feeds back to the other side projector by intersecting to line by abnormal state information.Then, Mei Tai projector is according to the state intersecting to line indication, and the state transition table according to setting, carries out pattern switching, completes interlocking, guarantees that display unit there will not be blank screen, and guarantees to show the brightness of image.
By above-mentioned table 2, can be found out, the Yi Ge projector in display unit breaks down when abnormal, can be switched to the work of another one projector at once, thereby realizes interlocking output display.
It should be noted that, the state transition table shown in the display unit different working modes shown in above-mentioned table 1 and table 2 can need to be set according to practical application, and the embodiment of the present invention does not limit.And the quantity of feedback of status line can be also more than four, to indicate more accurately and feed back the state of projector.
Such as, state transition table as shown in table 3 is set.
Table 3:
After the normal startup of display unit, enter mode of operation 6, Ji Liangge projector is respectively by 50% brightness ratio work.
Suppose in operational process, once there is DVI (Digital Visual Interface in a of projector, digital visual interface) dropout or light path are abnormal, according to the state transition table shown in table 3, display unit is at once to being switched to mode of operation 3, and a of projector shows by 0% brightness, and the b of projector carries out work by 100% brightness, guarantee that output image normally shows, not blank screen.Vice versa.If the DVI signal of Liang Ge projector or light path are simultaneously abnormal, show built-in background image.Visible, described display unit can maximize and guarantee not blank screen output.
Correspondingly, the embodiment of the present invention also provides a kind of display packing, as shown in Figure 2, is the process flow diagram of the method, comprises the following steps:
Particularly, can be by intersecting the state of described projector that line is indicated in level mode.Described intersection can, with reference to description above, not repeat them here to the setting of line and to state indication and feedback system.
The different working modes of projector can need to be set according to practical application, and this embodiment of the present invention is not limited.
The workflow of above-mentioned projector as shown in Figure 3, comprises the following steps:
Whether step 302, occur abnormal in testing process; If there is extremely, perform step 303; Otherwise, return to step 302;
Above-mentioned state transition table also can need to be set according to practical application, and this embodiment of the present invention is not limited.
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually referring to, each embodiment stresses is the difference with other embodiment.Especially, for embodiment of the method, because it is substantially similar in appearance to system embodiment, so describe fairly simplely, relevant part is referring to the part explanation of system embodiment.System embodiment described above is only that schematically wherein the different units in projector can be positioned at Same Physical module, also can be positioned at different physical modules.Those of ordinary skills, in the situation that not paying creative work, are appreciated that and implement.
Above the embodiment of the present invention is described in detail, has applied embodiment herein the present invention is set forth, the explanation of above embodiment is just for helping to understand method and apparatus of the present invention; , for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention meanwhile.
Claims (8)
1. a display system, is characterized in that, comprising: at least one display unit, and the intersection that each display unit comprises two first projectors with interlocking mechanism and the second projector and is connected described Liang Ge projector is to line;
Described intersection, to line, is used to indicate the state of described projector;
Described projector, for carrying out pattern redirect according to described intersection to the machine of line indication and the state of adjacent machine;
Described projector comprises:
Storage unit, for store status jump list, described state transition table represents the mode of operation of described intersection to described projector under projector's different conditions of line indication;
Detecting unit, abnormal for detection of whether occurring in the described projector course of work;
Control module, for detecting after abnormal conditions at described detecting unit, indicates abnormality by described intersection to line, controls described projector carry out pattern redirect according to described state transition table; And to line, by described abnormality, notify another projector in the display unit of place by described intersection, so that the state transition table that described another projector stores according to oneself carries out pattern redirect.
2. system according to claim 1, is characterized in that, described intersection comprises line:
Local state feedback line and adjacent machine feedback of status line;
Described local state feedback line comprises: local signal class feedback of status line and the machine optics feedback of status line;
Described adjacent machine feedback of status line comprises: adjacent machine class signal feedback of status line and adjacent machine optics feedback of status line.
3. system according to claim 1, is characterized in that, described intersection is indicated the state of described projector in level mode to line.
4. according to the system described in claims 1 to 3 any one, it is characterized in that, the mode of operation of described projector comprises:
The first mode of operation, the first projector is by 100% brightness work, and the second projector, by 0% brightness work, shows the video image of input;
The second mode of operation, the first projector is by 100% brightness work, and the second projector, by 0% brightness work, shows preset still image;
The 3rd mode of operation, the first projector is by 0% brightness work, and the second projector, by 100% brightness work, shows the video image of input;
The 4th mode of operation, the first projector is by 0% brightness work, and the second projector, by 100% brightness work, shows preset still image;
The 5th mode of operation, the first projector and the second projector carry out work by preset proportion separately, show the video image of input;
The 6th mode of operation, the first projector and the second projector carry out work by preset proportion separately, show preset still image;
The 7th mode of operation, the first projector and the second projector, by 0% brightness work, show without image.
5. a display packing, is characterized in that, comprising:
By intersecting, line is connected to two the first projector and second projectors with interlocking mechanism in a display unit, and the state of indicating described projector;
Described projector carries out pattern redirect according to described intersection to the machine of line indication and the state of adjacent machine, comprising:
In described projector testing process, whether occur abnormal;
If there is extremely, by described intersection, line to be indicated to abnormality, and carry out pattern redirect according to preset state transition table, described state transition table represents the mode of operation of described intersection to described projector under projector's different conditions of line indication;
By described intersection, to line, by described abnormality, notify another projector in the display unit of place, so that the state transition table that described another projector stores according to oneself carries out pattern redirect.
6. method according to claim 5, is characterized in that, described intersection comprises line:
Local state feedback line and adjacent machine feedback of status line;
Described local state feedback line comprises: local signal class feedback of status line and the machine optics feedback of status line;
Described adjacent machine feedback of status line comprises: adjacent machine class signal feedback of status line and adjacent machine optics feedback of status line.
7. method according to claim 5, is characterized in that, describedly by intersecting, to line, indicates the state of described projector to comprise:
By intersecting the state of described projector that line is indicated in level mode.
8. according to the method described in claim 5 to 7 any one, it is characterized in that, the mode of operation of described projector comprises:
The first mode of operation, the first projector is by 100% brightness work, and the second projector, by 0% brightness work, shows the video image of input;
The second mode of operation, the first projector is by 100% brightness work, and the second projector, by 0% brightness work, shows preset still image;
The 3rd mode of operation, the first projector is by 0% brightness work, and the second projector, by 100% brightness work, shows the video image of input;
The 4th mode of operation, the first projector is by 0% brightness work, and the second projector, by 100% brightness work, shows preset still image;
The 5th mode of operation, the first projector and the second projector carry out work by preset proportion separately, show the video image of input;
The 6th mode of operation, the first projector and the second projector carry out work by preset proportion separately, show preset still image;
The 7th mode of operation, the first projector and the second projector, by 0% brightness work, show without image.
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| CN102495516B true CN102495516B (en) | 2014-03-26 |
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| CN103472746B (en) * | 2013-09-23 | 2015-12-09 | 广东威创视讯科技股份有限公司 | The redundancy control method of dual master control equipment and dual master control equipment |
| CN104461003B (en) * | 2014-12-11 | 2019-02-05 | 联想(北京)有限公司 | A kind of information processing method and electronic equipment |
| JP2016161820A (en) * | 2015-03-03 | 2016-09-05 | 株式会社リコー | Image display control device, image display control program, and image display control system |
| CN106817550B (en) * | 2015-12-01 | 2022-06-03 | 中兴通讯股份有限公司 | Projection method and device of projector |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005121891A1 (en) * | 2004-06-08 | 2005-12-22 | F2Systems Inc. | Dual projection device and method |
| CN100430825C (en) * | 2002-08-12 | 2008-11-05 | Dts公司 | Motion picture subtitle system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100430825C (en) * | 2002-08-12 | 2008-11-05 | Dts公司 | Motion picture subtitle system and method |
| WO2005121891A1 (en) * | 2004-06-08 | 2005-12-22 | F2Systems Inc. | Dual projection device and method |
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