CN102332248A - Video wall system capable of displaying image according to location signal - Google Patents
Video wall system capable of displaying image according to location signal Download PDFInfo
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Abstract
The invention relates to a video wall system, which comprises an image signal source and at least one column of display devices. The image signal source is used for providing image signals. The at least one column of display devices is coupled with the image signal source and includes a plurality of display devices which are coupled in a series manner. Each display device includes a location module, a sensor and a display control unit. The location module is used for generating a location signal. The sensor is coupled with the location module and is used for sensing the location signal generated by the location module. The display control unit is used for controlling the display device to display the image according to the image signal and the location signal sensed by the sensor. The video wall system can directly control the display devices to display divided images according to the location signal without inputting relative position information in a manual manner. Therefore, the video wall system is simple in setting, and has low possibility of errors.
Description
Technical field
The present invention is relevant to a kind of video wall system, refer to especially a kind of can be according to the video wall system of location signal display frame.
Background technology
Please refer to Fig. 1, Fig. 1 is the synoptic diagram of convention video wall system 100.Video wall system 100 comprises image signal source 110, and plural platform display device 120.Image signal source 110 is coupled to each display device 120, is used to provide image signal.Plural number platform display device 120 is to arrange with matrix-style, and each display device 120 comprises indicative control unit 122, is used for controlling display device 120 display frames.Indicative control unit 122 is controlled display device 120 according to the relative position information of image signal and display device 120 and is shown divided frame.
For each display device 120 that makes convention video wall system 100 can show correct divided frame; The user needs the configuration interface by display device 120; Screen menu (on screen di splay for example; OSD), the relative position information of importing each display device 120 respectively with manual mode one by one is in indicative control unit 122.Yet; Make a mistake easily with manual mode input relative position information; When the relative position information mistake of input, display device 120 can't show correct divided frame, and the divided frame that shows with the display device adjacent with it 120 forms a complete picture.Convention video wall system 100 can't each display device 120 of Auto-Sensing the relative position information, make that the setting of video wall system 100 is complicated and make a mistake easily.
Summary of the invention
The present invention provides a kind of can comprise the image signal source according to the video wall system of location signal display frame, and at least one row display device.This image signal source is used to provide image signal.This at least one row display device is coupled to this image signal source, and this row display device comprises plural platform display device, couples mutually with the mode of tandem.Each display device comprises positioning module, measurer and indicative control unit.This positioning module is in order to produce the location signal.This measurer is coupled to this positioning module, in order to measure the location signal that this positioning module produces.This indicative control unit is used for location this display device display frame of signal control of measuring according to this image signal and this measurer.
According to video wall of the present invention system; Positioning module comprises resistance; The resistance of the positioning module adjacent with same column is connected each other; Be used for producing a component voltage according to a direct current voltage, wherein measurer is in order to measure this component voltage, and indicative control unit is used for according to image signal and the display frame of this component voltage control display device.
According to video wall of the present invention system, positioning module comprises first resistance and second resistance.First resistance of the positioning module that first resistance and same column are adjacent is connected each other, is used for producing one first component voltage according to one first DC voltage.Second resistance is connected with second resistance of the adjacent positioning module of going together each other, is used for producing one second component voltage according to one second DC voltage.Wherein this measurer is in order to measure this first component voltage and this second component voltage, and this indicative control unit is used for according to this image signal, this first component voltage and this display device display frame of this second component voltage control.
According to video wall of the present invention system; Positioning module comprises diode; Other diode of the positioning module that this diode and same column are adjacent is connected each other; Be used for producing component voltage according to DC voltage, wherein measurer is in order to measure this component voltage, and indicative control unit is used for according to image signal and the display frame of this component voltage control display device.
According to video wall of the present invention system, positioning module comprises first diode and second diode.Other first diode of the positioning module that first diode and same column are adjacent is connected each other, is used for producing one first component voltage according to one first DC voltage.Second diode is connected with other second diode of the adjacent positioning module of going together each other; Be used for producing one second component voltage according to one second DC voltage; Wherein this measurer is in order to measure this first component voltage and this second component voltage, and this indicative control unit is used for according to this image signal, this first component voltage and this display device display frame of this second component voltage control.
According to video wall of the present invention system; Positioning module comprises resistance; First end of this resistance is coupled to first end of direct voltage source, and second end of this resistance is coupled to second end of this direct voltage source, and this measurer is coupled between first end of resistance of the adjacent positioning module of first end and the same column of this resistance; In order to the flow through electric current of this measurer of measurement, this indicative control unit is used for this display device display frame of Current Control according to this image signal and this measurer of flowing through.
According to video wall of the present invention system, positioning module comprises first resistance and second resistance.First end of this first resistance is coupled to first end of first direct voltage source, and second end of this first resistance is coupled to second end of this first direct voltage source.First end of this second resistance is coupled to first end of second direct voltage source; Second end of this second resistance is coupled to second end of this second direct voltage source; This measurer comprises the first measurement unit and the second measurement unit; This first measurement unit is coupled between first end of first resistance of the adjacent positioning module of first end and the same column of this first resistance; In order to flow through first electric current of this first measurement unit of measurement; This second measurement unit is coupled between first end of second resistance of first end of this second resistance and the adjacent positioning module of going together, and in order to flow through second electric current of this second measurement unit of measurement, this indicative control unit is this display device display frame of second Current Control that is used for according to first electric current and this second measurement unit of flowing through of this image signal, this first measurement unit of flowing through.
According to video wall of the present invention system; Positioning module comprises current source; First end of this current source is coupled to first end of resistance, and second end of this current source is coupled to second end of this resistance, and this measurer is coupled between first end of current source of the adjacent positioning module of first end and the same column of this current source; In order to the flow through electric current of this measurer of measurement, this indicative control unit is this display device display frame of Current Control that is used for according to this image signal and this measurer of flowing through.
According to video wall of the present invention system, positioning module comprises first current source and second current source.First end of this first current source is coupled to first end of first resistance, and second end of this first current source is coupled to second end of this first resistance.First end of this second current source is coupled to first end of second resistance; Second end of this second current source is coupled to second end of this second resistance; This measurer comprises the first measurement unit and the second measurement unit; This first measurement unit is coupled between first end of first current source of the adjacent positioning module of first end and the same column of this first current source; In order to flow through first electric current of this first measurement unit of measurement; This second measurement unit is coupled between first end of second current source of first end of this second current source and the adjacent positioning module of going together, and in order to flow through second electric current of this second measurement unit of measurement, this indicative control unit is this display device display frame of second Current Control that is used for according to first electric current and this second measurement unit of flowing through of this image signal, this first measurement unit of flowing through.
Compared to prior art, video wall of the present invention system can directly show divided frame according to location signal control display device, and does not need with manual mode input relative position information.The setting of video wall therefore of the present invention system is comparatively simple and be not easy to make a mistake.
Description of drawings
Fig. 1 is the synoptic diagram of convention video wall system.
Fig. 2 is the synoptic diagram of video wall of the present invention system.
Fig. 3 is the synoptic diagram of first embodiment of display device of the present invention.
Fig. 4 is the synoptic diagram of second embodiment of display device of the present invention.
Fig. 5 is the synoptic diagram of the 3rd embodiment of display device of the present invention.
Fig. 6 is the synoptic diagram of the 4th embodiment of display device of the present invention.
Embodiment
For making the object of the invention, structure, characteristic and function thereof there are further understanding, cooperate embodiment to specify as follows now.
Please refer to Fig. 2, Fig. 2 is the synoptic diagram of video wall of the present invention system 200.Video wall of the present invention system 200 comprises image signal source 210, and plural platform display device 220.Image signal source 210 is coupled to each display device 220, is used to provide image signal.Plural number platform display device 220 comprises a row display device at least, and arranges with matrix-style, is to couple mutually with the mode of the tandem display device 220 adjacent with same column between the display device 220, and couples mutually with the adjacent display device 220 of going together with the mode of tandem.And each display device 220 comprises positioning module 226, measurer 224 and indicative control unit 222.Positioning module 226 is in order to produce the location signal.Measurer 224 is coupled to positioning module 226, in order to measure the location signal that positioning module 226 produces.Indicative control unit 222 is coupled to measurer 224, and the location signal control display device 220 that is used for measuring according to image signal and measurer 224 shows divided frames.
Please refer to Fig. 3, and in the lump with reference to figure 2, Fig. 3 is the synoptic diagram of first embodiment of display device 220 of the present invention.As shown in Figure 3, positioning module 226 comprises first resistance R 1 and second resistance R 2.First resistance R 1 of the positioning module that first resistance R 1 is adjacent with same column is connected each other, is used for producing first component voltage according to the first DC voltage V1.Second resistance R 2 is connected with second resistance R 2 of the adjacent positioning module of going together each other, is used for producing second component voltage according to the second DC voltage V2.Measurer 224 is in order to measure first component voltage and second component voltage that positioning module 226 produces.Because the resistance two ends can form voltage difference, therefore first resistance R 1 after the series connection and second resistance R 2 can produce corresponding first component voltage and second component voltage (that is location signal) according to its relative position.The indicative control unit 222 of each display device 220 can be judged the relative position of display device 220 according to first component voltage of its positioning module 226 and second component voltage, and and then shows divided frames according to the relative position control display device 220 of image signal and display device 220.
Please refer to Fig. 4, and in the lump with reference to figure 2, Fig. 4 is the synoptic diagram of second embodiment of display device 220 of the present invention.As shown in Figure 4, positioning module 226 comprises the first diode D1 and the second diode D2.The first diode D1 is that the first diode D1 of the positioning module adjacent with same column connects each other, is used for producing first component voltage according to the first DC voltage V1.The second diode D2 is that the second diode D2 with the adjacent positioning module of going together connects each other, is used for producing second component voltage according to the second DC voltage V2.Measurer 224 is in order to measure first component voltage and second component voltage that positioning module 226 produces.Because the diode two ends can form voltage difference (about 0.7V), therefore the first diode D1 after the series connection and the second diode D2 can produce corresponding first component voltage and second component voltage (that is location signal) according to its relative position.The indicative control unit 222 of each display device 220 can be judged the relative position of display device 220 according to first component voltage of its positioning module 226 and second component voltage, and and then shows divided frames according to the relative position control display device 220 of image signal and display device 220.
Please refer to Fig. 5, and in the lump with reference to figure 2, Fig. 5 is the synoptic diagram of the 3rd embodiment of display device 220 of the present invention.As shown in Figure 5, positioning module 226 comprises first resistance R 1 and second resistance R 2.First end of first resistance R 1 is coupled to first end of the first direct voltage source V1, and second end of first resistance R 1 is coupled to second end of the first direct voltage source V1.First end of second resistance R 2 is coupled to first end of the second direct voltage source V2, and second end of second resistance R 2 is coupled to second end of this second direct voltage source V2.According to above-mentioned configuration, first resistance R 1 and second resistance R 2 can produce first electric current I 1 and second electric current I 2 respectively.The first measurement unit 224a of measurer is coupled between first end of first resistance R 1 of the adjacent positioning module of first end and the same column of first resistance R 1, in order to flow through first electric current of the first measurement unit 224a of measurement.And the second measurement unit 224b of measurer is coupled between first end of second resistance R 2 of first end of second resistance R 2 and the adjacent positioning module of going together, in order to flow through second electric current of the second measurement unit 224b of measurement.Because the first measurement unit 224a and the second measurement unit 224b can measure corresponding current value (that is location signal) because of its relative position; Therefore the indicative control unit 222 of each display device 220 can be judged the relative position of display device 220 according to second electric current of first electric current of the first measurement unit 224a that flows through and the second measurement unit 224b that flows through, and and then shows divided frames according to the relative position control display device 220 of image signal and display device 220.
Please refer to Fig. 6, and in the lump with reference to figure 2, Fig. 6 is the synoptic diagram of the 4th embodiment of display device 220 of the present invention.As shown in Figure 6, positioning module 226 comprises the first current source Is1 and the second current source Is2.First end of the first current source Is1 is coupled to first end of first resistance R 1, and second end of the first current source Is1 is coupled to second end of first resistance R 1.First end of the second current source Is2 is coupled to first end of second resistance R 2, and second end of the second current source Is2 is coupled to second end of second resistance R 2.The first current source Is2 and the second current source Is2 are respectively in order to produce first electric current I 1 and second electric current I 2.The first measurement unit 224a of measurer is coupled between first end of the first current source Is1 of the adjacent positioning module of first end and the same column of the first current source Is1, in order to flow through first electric current of the first measurement unit 224a of measurement.And the second measurement unit 224b of measurer is coupled between first end of the second current source Is2 of first end of the second current source Is2 and the adjacent positioning module of going together, in order to flow through second electric current of the second measurement unit 224b of measurement.Because the first measurement unit 224a and the second measurement unit 224b can measure corresponding current value (that is location signal) because of its relative position; Therefore the indicative control unit 222 of each display device 220 can be judged the relative position of display device 220 according to second electric current of first electric current of the first measurement unit 224a that flows through and the second measurement unit 224b that flows through, and and then shows divided frames according to the relative position control display device 220 of image signal and display device 220.
In addition, the located lateral signal of above-mentioned positioning module and the production method of longitudinal register signal are not limited to use with a kind of method, and the located lateral signal and the longitudinal register signal of positioning module can be produced by diverse ways.For instance, the located lateral signal of positioning module can be the voltage signal of first diode generation, and the longitudinal register signal of positioning module can be the current signal that second current source produces.Therefore, the located lateral signal of positioning module and longitudinal register signal can be produced by any combination of above-mentioned the whole bag of tricks.Simultaneously, the foregoing description is also unrestricted, it is understandable that the location signal can see through identical or different interelement coupling, make to produce decipherable electric signal between adjacent display device, and also be emphasis of the present invention.
In sum; Video wall of the present invention system 200 utilizes positioning module 226 to produce the location signals; So that indicative control unit 222 can be judged the relative position of display device 220 according to the location signal, and and then show divided frames according to the relative position control display device 220 of image signal and display device 220.
Compared to prior art, video wall of the present invention system can directly show divided frame according to location signal control display device, and does not need with manual mode input relative position information.The setting of video wall therefore of the present invention system is comparatively simple and be not easy to make a mistake.
The present invention is described by above-mentioned related embodiment, yet the foregoing description is merely the example of embodiment of the present invention.Must be pointed out that the embodiment that has disclosed does not limit scope of the present invention.On the contrary, change and retouching not breaking away from the spirit and scope of the present invention to be done all belong to scope of patent protection of the present invention.
Claims (9)
1. one kind can is characterized in that comprising according to the video wall system of location signal display frame:
The image signal source is used to provide image signal; And
At least one row display device is coupled to this image signal source, and this row display device comprises plural platform display device, couples mutually with the mode of tandem, and each display device comprises:
Positioning module is in order to produce the location signal;
Measurer is coupled to this positioning module, in order to measure the location signal that this positioning module produces; And
Indicative control unit is used for location this display device display frame of signal control that measures according to this image signal and this measurer.
2. video wall as claimed in claim 1 system; It is characterized in that this positioning module comprises resistance; The resistance of the positioning module adjacent with same column is connected each other; Be used for producing a component voltage according to a direct current voltage, wherein this measurer is in order to measure this component voltage, and this indicative control unit is used for according to this image signal and this display device display frame of this component voltage control.
3. video wall as claimed in claim 1 system is characterized in that this positioning module comprises:
First resistance of the positioning module that first resistance and same column are adjacent is connected each other, is used for producing one first component voltage according to one first DC voltage; And
Second resistance of second resistance and the adjacent positioning module of going together is connected each other, is used for producing one second component voltage according to one second DC voltage;
Wherein this measurer is in order to measure this first component voltage and this second component voltage, and this indicative control unit is used for according to this image signal, this first component voltage and this display device display frame of this second component voltage control.
4. video wall as claimed in claim 1 system; It is characterized in that this positioning module comprises diode; Other diode of the positioning module that this diode and same column are adjacent is connected each other; Be used for producing a component voltage according to a direct current voltage, wherein this measurer is in order to measure this component voltage, and this indicative control unit is used for according to this image signal and this display device display frame of this component voltage control.
5. video wall as claimed in claim 1 system is characterized in that this positioning module comprises:
First diode, other first diode of the positioning module that this first diode is adjacent with same column is connected each other, is used for producing one first component voltage according to one first DC voltage; And
Second diode; This second diode is connected with other second diode of the adjacent positioning module of going together each other; Be used for producing one second component voltage according to one second DC voltage; Wherein this measurer is in order to measure this first component voltage and this second component voltage, and this indicative control unit is used for according to this image signal, this first component voltage and this display device display frame of this second component voltage control.
6. video wall as claimed in claim 1 system; It is characterized in that this positioning module comprises resistance; First end of this resistance is coupled to first end of direct voltage source; Second end of this resistance is coupled to second end of this direct voltage source; This measurer is coupled between first end of resistance of the adjacent positioning module of first end and the same column of this resistance, and in order to the flow through electric current of this measurer of measurement, this indicative control unit is used for this display device display frame of Current Control according to this image signal and this measurer of flowing through.
7. video wall as claimed in claim 1 system is characterized in that this positioning module comprises:
First resistance, first end of this first resistance is coupled to first end of first direct voltage source, and second end of this first resistance is coupled to second end of this first direct voltage source; And
Second resistance; First end of this second resistance is coupled to first end of second direct voltage source; Second end of this second resistance is coupled to second end of this second direct voltage source; This measurer comprises the first measurement unit and the second measurement unit; This first measurement unit is coupled between first end of first resistance of the adjacent positioning module of first end and the same column of this first resistance, and in order to flow through first electric current of this first measurement unit of measurement, this second measurement unit is coupled between first end of second resistance of first end of this second resistance and the adjacent positioning module of going together; In order to flow through second electric current of this second measurement unit of measurement, this indicative control unit is this display device display frame of second Current Control that is used for according to first electric current and this second measurement unit of flowing through of this image signal, this first measurement unit of flowing through.
8. video wall as claimed in claim 1 system; It is characterized in that this positioning module comprises current source; First end of this current source is coupled to first end of resistance; Second end of this current source is coupled to second end of this resistance; This measurer is coupled between first end of current source of the adjacent positioning module of first end and the same column of this current source, and in order to the flow through electric current of this measurer of measurement, this indicative control unit is this display device display frame of Current Control that is used for according to this image signal and this measurer of flowing through.
9. video wall as claimed in claim 1 system is characterized in that this positioning module comprises:
First current source, first end of this first current source is coupled to first end of first resistance, and second end of this first current source is coupled to second end of this first resistance; And
Second current source; First end of this second current source is coupled to first end of second resistance; Second end of this second current source is coupled to second end of this second resistance; This measurer comprises the first measurement unit and the second measurement unit; This first measurement unit is coupled between first end of first current source of the adjacent positioning module of first end and the same column of this first current source; In order to flow through first electric current of this first measurement unit of measurement; This second measurement unit is coupled between first end of second current source of first end of this second current source and the adjacent positioning module of going together, and in order to flow through second electric current of this second measurement unit of measurement, this indicative control unit is this display device display frame of second Current Control that is used for according to first electric current and this second measurement unit of flowing through of this image signal, this first measurement unit of flowing through.
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| CN201110172201.6A CN102332248B (en) | 2011-06-24 | 2011-06-24 | Video wall system capable of displaying image according to location signal |
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| CN201110172201.6A CN102332248B (en) | 2011-06-24 | 2011-06-24 | Video wall system capable of displaying image according to location signal |
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| WO2021237741A1 (en) * | 2020-05-29 | 2021-12-02 | 深圳市艾比森光电股份有限公司 | Automatic screen connection system and automatic screen connection method |
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