CN103714787A - Liquid crystal instrument display method and automobile liquid crystal display device - Google Patents
Liquid crystal instrument display method and automobile liquid crystal display device Download PDFInfo
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- CN103714787A CN103714787A CN201310288626.2A CN201310288626A CN103714787A CN 103714787 A CN103714787 A CN 103714787A CN 201310288626 A CN201310288626 A CN 201310288626A CN 103714787 A CN103714787 A CN 103714787A
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Abstract
In order to solve the problems that a large number of pictures need to be captured when data are displayed; the workload of a designer is greatly increased; and data processing needs more time in the prior art, the invention provides a liquid crystal instrument display method. The method comprises the steps that data information need to be displayed in real time on an liquid crystal instrument is acquired; a picture template on which a display area is positioned is taken, wherein the picture template is used for being placed on the liquid crystal instrument to be used as a display carrier of the data information; according to the data information, a picture area is determined in the display area; and only the picture area in the display area is displayed. According to the liquid crystal instrument display method, only one picture needs to be captured, thus the workload of the designer is reduced. The invention further provides an automobile liquid crystal display device.
Description
Technical field
The present invention relates to demonstration field, relate in particular to a kind of display packing of liquid crystal instrument and the liquid crystal indicator of automobile.
Background technology
Along with improving constantly that the development of electronic technology and user require electronic product terminal experience, the data presentation system of electric terminal is also constantly updating.The various instrument of the display automobile travel conditions on automobile for example, wherein traditional pointer instrument is more and more replaced by liquid crystal instrument.Liquid crystal instrument is with its flexible and changeable design style, gorgeous interfacial effect is more and more subject to market and consumption person's approval.The various data of the electric terminal detecting for vivider demonstration, and reach the effect being designed beautifully, display system can show with the fan-shaped picture of different angles conventionally.
The disposal system that shows fan-shaped picture in prior art need to be done a design sketch in each angle conventionally, then intercepts respectively the design sketch picture of each angle, then calls as required different pictures.So first, need to intercept a large amount of pictures, the fan-shaped angle of whole picture is larger, and resolution is higher, needs the picture number of intercepting just more.If whole fan-shaped angle is 180, and resolution needs to reach 0.5 degree, so just need to intercept 360 pictures.So greatly increased deviser's workload, make processes and displays system need more time deal with data, and because needs intercept a large amount of pictures, it needs larger storage space, need larger external memory storage, increased cost so on the one hand, needed on the other hand to expend more system resource and time to read these pictures.So the fan-shaped picture processing and displaying system speed of prior art is slow and cost is higher.
Be understandable that, the statement of this part only provides background information related to the present invention, may form or not form so-called prior art.
Summary of the invention
While showing data for solving in prior art, need to intercept a large amount of pictures, greatly increase deviser's workload, need the problem of more time deal with data.The embodiment of the present invention provides a kind of display packing of liquid crystal instrument, comprising:
Obtain the data message that need to show in real time on liquid crystal instrument;
Transfer the graphic template of orienting viewing area, described graphic template is for being placed on the demonstration carrier of doing described data message on liquid crystal instrument;
According to described data message, on described viewing area, determine picture region;
Only the described picture region in described viewing area is shown.
Further, in the display packing of liquid crystal instrument, described " according to described data message, on described viewing area, determining picture region " specifically comprises described in the embodiment of the present invention:
On described viewing area, select reference position;
According to described data message and described reference position, on described viewing area, determine described picture region.
Further, in the display packing of liquid crystal instrument, described picture region is a fan section described in the embodiment of the present invention;
Described " according to described data message and described reference position, determining described picture region on described viewing area " specifically comprises:
Described data message is mapped as to an angle, the angle ranging from the radian in described fan section;
According to described angle and described reference position, determine a fan section on described viewing area, described fan section is described picture region.
Further, in the display packing of liquid crystal instrument, described picture region is column region described in the embodiment of the present invention;
Described " according to described data message and described reference position, determining described picture region on described viewing area " specifically comprises:
Described data message is mapped as to a height, the height that described height is described column region;
According to described height and described reference position, determine a column region on described viewing area, described column region is described picture region.
Further, in the display packing of liquid crystal instrument, described " obtaining the data message that need to show in real time on liquid crystal instrument " specifically comprises described in the embodiment of the present invention:
Receive the simulating signal of outside collecting unit Real-time Collection;
Described simulating signal is carried out to analog to digital conversion, and the data after conversion are calculated as to described data message.
Further, in the display packing of liquid crystal instrument, described " only the described picture region in described viewing area being shown " specifically comprises described in the embodiment of the present invention:
Pixel beyond picture region described in described viewing area is carried out to transparence processing;
Light liquid crystal instrument display screen and demonstrate the described viewing area of processing through transparence.
The embodiment of the present invention has also proposed a kind of liquid crystal indicator of automobile, comprising:
Signal processing unit, for obtaining the data message that need to show in real time on liquid crystal instrument;
Picture library storage unit, for storing the graphic template of orienting viewing area;
Display processing unit, for determining picture region according to described data message on described viewing area;
Display unit, for only showing the described picture region of described viewing area.
Further, in the liquid crystal indicator of embodiment of the present invention automobile, described display processing unit comprises:
Reference position selected cell, for selecting reference position on described viewing area;
Picture region determining unit, for determining described picture region according to described data message and described reference position on described viewing area.
Further, in the liquid crystal indicator of embodiment of the present invention automobile, described picture region is a fan section;
Described picture region determining unit comprises:
The first map unit, for described data message is mapped as to an angle, the angle ranging from the radian in described fan section;
Fan section determining unit, for determining a fan section according to described angle and described reference position on described viewing area, the angle ranging from fan-shaped radian, and described fan section is described picture region.
Further, in the liquid crystal indicator of embodiment of the present invention automobile, described picture region is a column region;
Picture region determining unit comprises:
The second map unit, for being mapped as described data message one height, the height that described height is described column region;
Column region determining unit is determined a column region according to described height and described reference position on described viewing area, and described column region is described picture region.
Further, in the liquid crystal indicator of embodiment of the present invention automobile, described signal processing unit comprises:
Signal receiving unit, for receiving the simulating signal of outside collecting unit Real-time Collection;
Conversion and computing unit, for described simulating signal is carried out to analog to digital conversion, and be calculated as described data message by the data after conversion.
Further, in the liquid crystal indicator of embodiment of the present invention automobile, described display unit comprises:
Transparence processing unit, for carrying out transparence processing by the pixel beyond picture region described in described viewing area;
Display driver unit, demonstrates the described viewing area of processing through transparence for lighting liquid crystal instrument display screen.
The display packing of the liquid crystal instrument described in the embodiment of the present invention and the liquid crystal indicator of automobile only need call a pictures template, then on graphic template, determine picture region, and then picture region is shown.Relative to existing technologies, the present invention only needs one to call graphic template, has reduced workload, and the reservoir space requirement that simultaneously stores picture reduces, and reduces costs; In addition owing to only needing a pictures, thus the processing time of picture relatively reduce, efficiency is high.
Accompanying drawing explanation
Fig. 1 is the display packing process flow diagram of a kind of liquid crystal instrument of providing of the embodiment of the present invention;
Fig. 2 is provided in the display packing of a kind of liquid crystal instrument of providing of the embodiment of the present invention by the process flow diagram of picture region;
Fig. 3 is the demonstration schematic diagram of the display packing of a kind of liquid crystal instrument of providing of the embodiment of the present invention;
Fig. 4 is the liquid crystal indicator block diagram of the automobile that provides of the embodiment of the present invention.
Figure of description mark is as follows:
1, signal processing unit; 2, picture library storage unit; 3, display processing unit; 4, display unit.
Embodiment
In order to make technical matters solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The display packing of liquid crystal instrument of the present invention is mainly used on automobile, according to user's the pilot lamp information that needs display automobile, fuel oil information, water temperature information, speed information, rotary speed information etc., for example pilot lamp information, fuel oil information, water temperature information, speed information, rotary speed information are checked respectively to the information real-time change that these need to show with fan-shaped showing for driver.
By the following examples the present invention is further detailed.
As shown in Figure 1, the present embodiment provides a kind of display packing of liquid crystal instrument, comprising:
S11, obtain the data message that need to show in real time on liquid crystal instrument;
S12, transfer the graphic template of orienting viewing area, described graphic template is for being placed on the demonstration carrier of doing described data message on liquid crystal instrument;
S13, according to described data message, on the described graphic template of having oriented viewing area, determine picture region;
S14, only the described picture region in described viewing area is shown.
Wherein in step S11, needing the data message showing is concrete data value, when data message that the data message showing is automobile, these data messages that need to show can comprise pilot lamp information, fuel oil information, water temperature information, speed information and rotary speed information.Such as water temperature, be that 40 degree, the speed of a motor vehicle are 120 kilometer per hours etc.
As a kind of embodiment, step S11 specifically comprises:
Receive the simulating signal of outside collecting unit Real-time Collection;
Described simulating signal is carried out to analog to digital conversion, and the data after conversion are calculated as to described data message.
The simulating signal of its peripheral collecting unit Real-time Collection comprises pilot lamp signal, fuel oil signal, water temperature signal, vehicle speed signal and tach signal etc., owing to being simulating signal, therefore need to change by analog to digital converter, and the data message after conversion is calculated to the data value corresponding with the analog quantity gathering, the information of voltage that for example data message after analog to digital conversion is compressor, and what need to show is the current information of compressor, therefore information of voltage need to be calculated to be to current information.As a kind of expansion, some simulating signals directly show, do not need to calculate after analog to digital conversion.
In step S12, the graphic template of having oriented viewing area is pre-stored picture in storer, this graphic template is as the demonstration carrier of described data message, and the data message that needs are shown shows on graphic template, and graphic template can be circular, square, rectangle etc.Described viewing area is in the light of actual conditions set, and can meet the requirement of data message to indication range.
As a kind of embodiment, as shown in Figure 2, step S13 specifically comprises:
S131, on described viewing area, select reference position;
S132, according to described data message and described reference position, on described viewing area, determine described picture region.
When needs are by fan-shaped when described data message is shown, specific as follows: when the data message receiving is that speed information is 60 kilometer per hours, the speed of a motor vehicle 60 kilometer per hours are mapped to 60 degree, it is as fan-shaped radian, wherein the angle of data message mapping is set according to actual conditions, does not limit here.Then on described viewing area, select a start line (described reference position) as the fan-shaped length of side, described reference position can be also the coordinate of a plurality of points, according to coordinate, can determine a line as start line; The fan-shaped length of side can be taken as 5 centimetres; Therefore according to the fan-shaped length of side and radian, picture region is defined as to the fan section that radian is 5 centimetres of 60 degree, radius.When needs show described data message by cylindricality or bar shaped, first described data message is converted to height or length, the height of highly corresponding cylindricality wherein, the length of the corresponding bar shaped of length, the base that wherein said reference position is column region or the side of slab region; Therefore by the base of cylindricality with highly determine column region (picture region); Side and length by bar shaped are determined slab region (picture region).In like manner, also can carry out presentation graphs panel region by the figure of the various shapes such as cake chart, annular figure.
As a kind of embodiment, in step S14, only the described picture region in described viewing area is shown specifically and is comprised:
Pixel beyond picture region described in described viewing area is carried out to transparence processing;
Light liquid crystal instrument display screen and demonstrate the described viewing area of processing through transparence.
When lighting display screen and show, the region of processing through transparence is not presented in display screen.Therefore can carry out transparence processing to the part that does not need to show, reach like this object that data display area is shown.In addition described data display area is shown to can be also that picture region and viewing area and described picture region are showed with different colours respectively without the region of occuring simultaneously, to reach the object to the region that Shows Picture.
Resolution need not be considered and change to the display packing of the described liquid crystal instrument that the present embodiment provides, and it is directly processed the region transparence that does not need to show, it can avoid intercepting a large amount of pictures to guarantee the resolution of picture.Therefore its processing speed is very fast.Meanwhile, it does not need jumbo storer to need a large amount of picture of intercepting in storage prior art, can reduce costs like this, and its cost that also further reduced simple in structure.
Below in conjunction with Fig. 3, the display packing of liquid crystal instrument of the present invention is carried out to example explanation, in this embodiment, it is the working current at some time point for the treatment of compressor on display automobile.First, reception for example, collects the voltage of compressor when the work eleven minute from outside collecting unit (Hall voltage sensor), and by showing after analog to digital conversion that the operating voltage of this time point is 300V, the working current that calculates the compressor that needs demonstration is 30A, thereby show that the data that picture region need to show are 30A; Then, transfer a rectangle picture as template (rectangle that in figure, ABCD surrounds), this rectangle picture has been oriented a semicircle (AODE) as viewing area, and the fan-shaped maximum range that defines these 180 degree is 180A.Select OA as described reference position, current value 30A is mapped as to 30 degree, therefore take O point as the center of circle, OA length is radius rotation 30 degree, the sector region (AOE) of process be just the picture region of 30A current value, then utilizing geometric coordinate formula to calculate E point coordinate is (x1, y1), the coordinate of 0 is (x2, y2), in the coordinate substitution straight line formula y=ax+b of then E point and O being ordered, calculate a and b, namely calculated straight line OE.The region that wherein fan-shaped OAF surrounds is data display area.Further, the pixel in this fan-shaped region in addition of 30 degree is done transparence and is processed (transparency that is about to pixel is set to all-transparent); Then light display screen, and make display screen show the information of the rectangle picture after transparence is processed, user can't see the fan-shaped picture of 30 degree region in addition on display screen, and what user saw is a fan-shaped picture.Certainly also the electric current of 30A can be mapped to the corresponding sector region of 60 degree in viewing area according to actual needs, above-mentioned for for example, be not limited to this.In like manner, the display packing of liquid crystal instrument provided by the invention also can demonstrate by the figure of the various shapes such as cake chart, annular figure, histogram the information with the signal correction gathering.
In addition, on graphic template of the present invention, can comprise a plurality of viewing areas, each viewing area shows different data messages, information such as the oil consumption of subregion demonstration simultaneously, the speed of a motor vehicle, water temperature, rotating speed on same graphic template, the display packing of each viewing area adopts the display packing of the liquid crystal instrument described in the embodiment of the present invention 1, make full use of like this pictures template, reduce costs.
The present embodiment provides a kind of liquid crystal indicator of automobile, for realizing the display packing that embodiment 1 provides liquid crystal instrument, as shown in Figure 4, the liquid crystal indicator of described automobile comprises: signal processing unit 1, for obtain the data message that need to show in real time on liquid crystal instrument; Picture library storage unit 2, for storing the graphic template of orienting viewing area; Display processing unit 3, for determining picture region according to described data message on the described graphic template of having oriented viewing area; Display unit 4, for only showing the described picture region of described viewing area.
The simulating signal (signal that need to show on liquid crystal instrument) that wherein signal processing unit 1 gathers for the treatment of outside automobile sensor, these simulating signals comprise pilot lamp information, fuel oil information, water temperature information, speed information, rotary speed information etc.Signal processing unit 1 specifically comprises signal receiving unit, for receiving the simulating signal of external sensor Real-time Collection; Conversion and computing unit, for described simulating signal is carried out to analog to digital conversion, and the data after conversion are calculated as to described data message, the data message is here concrete data value, for example water temperature is 20 degree, if be integrated with analog to digital converter in external sensor in addition, signal processing unit only includes receiving element and computing unit, and the data message that computing unit receives receiving element is calculated as the data message that needs demonstration; What for example receiving element received is the voltage of vehicle compressor, and what need demonstration is compressor current, needs compressor voltage to be calculated as compressor current.Wherein signal processing unit can be selected analog to digital converter.
Therefore between signal processing unit 1 and external sensor, by communication unit, carry out message exchange, in order to reduce interference, in the liquid crystal indicator of automobile, also comprise the electrical isolation unit being connected between communication unit and signal processing unit 1 described in the present embodiment.Communication unit can be for being selected from the combination in any with lower unit: built-in wireless wifi network communication unit, built-in 3G (Third Generation) Moblie technology 3G network communication unit, external wifi network communication unit and external 3G network communication unit, can improve the speed of data communication and processing like this.
Wherein picture library storage unit 2 is nonvolatile memory, and preferably, picture library storage unit 2 is FLASH storer (being flash memory), and its cost is lower, and fast response time and memory capacity are larger.
More preferably, for the ease of display processing unit 3, process fast more data and picture, the liquid crystal indicator of described automobile also comprises the buffer unit being connected with display processing unit 3, and it can temporarily be preserved the intermediate data of processing in display processing unit 3.Buffer unit can be ram(random access memory, random access memory), sram(static random access memory, static RAM) storer such as, preferably, buffer unit is second generation double data rate Synchronous Dynamic Random Access Memory (being DDR2 storer).
Wherein display processing unit 3 comprises reference position selected cell, for select reference position on described viewing area; Picture region determining unit, for determining described picture region according to described data message and described reference position on described viewing area.
As a kind of embodiment, described picture region is a fan section, and described picture region determining unit comprises: the first map unit, for described data message is mapped as to an angle, the angle ranging from fan-shaped radian; Fan section determining unit, for determining a fan section according to described angle and described reference position on described viewing area, described fan section is described picture region.
As another kind of embodiment, described picture region is a column region, and picture region determining unit comprises: the second map unit, for described data message being mapped as to a height, the height that described height is described column region; Column region determining unit is determined a column region according to described height and described reference position on described viewing area, and described column region is described picture region.
When needs are by fan-shaped when described data message is shown, specific as follows: when the data message receiving is that speed information is 60 kilometer per hours, the first map unit is mapped to 60 degree by 60 kilometer per hours, it is as fan-shaped radian, wherein the angle of data message mapping is set according to actual conditions, does not limit here.Then on described viewing area, select a start line (described reference position) as the fan-shaped length of side, the fan-shaped length of side can be taken as 5 centimetres; Fan section determining unit is defined as by picture region the fan section that radian is 5 centimetres of 60 degree, radius according to the fan-shaped length of side and radian.When needs show described data message by cylindricality, the second map unit is first converted to described data message height, the height of highly corresponding cylindricality wherein, the base that wherein said reference position is column region or the side of slab region; Column region determining unit is according to the base of cylindricality and highly determine column region (picture region).In like manner, also can carry out presentation graphs panel region by the figure of the various shapes such as cake chart, bar chart, annular figure.
Wherein said display unit 4 comprises transparence processing unit, for pixel beyond picture region described in described viewing area is carried out to transparence processing, is specially the alpha value of this pixel (transparency) is set to all-transparent; Display driver unit, demonstrates the described viewing area of processing through transparence for lighting liquid crystal instrument display screen.
In sum, the liquid crystal indicator of automobile provided by the invention has avoided needing in prior art the picture that intercepts a large amount of different angles to realize fan-shaped demonstration, its need obtain a picture that is positioned with sector region, accelerated the speed of the time of reading in device, and saved a large amount of storage spaces, saved cost, therefore it can go out detection from the data of electric terminal by Image Display fast clearly, and its cost is lower.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
It should be noted that in addition, each concrete technical characterictic described in above-mentioned embodiment, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible array modes.In addition, between each embodiment of the present invention, also can carry out combination in any, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (12)
1. a display packing for liquid crystal instrument, is characterized in that, comprising:
Obtain the data message that need to show in real time on liquid crystal instrument;
Transfer the graphic template of orienting viewing area, described graphic template is for being placed on the demonstration carrier of doing described data message on liquid crystal instrument;
According to described data message, on described viewing area, determine picture region;
Only the described picture region in described viewing area is shown.
2. the display packing of liquid crystal instrument according to claim 1, is characterized in that, described " according to described data message, on described viewing area, determining picture region " specifically comprises:
On described viewing area, select reference position;
According to described data message and described reference position, on described viewing area, determine described picture region.
3. the display packing of liquid crystal instrument according to claim 2, is characterized in that, described picture region is a fan section;
Described " according to described data message and described reference position, determining described picture region on described viewing area " specifically comprises:
Described data message is mapped as to an angle, the angle ranging from the radian in described fan section;
According to described angle and described reference position, determine a fan section on described viewing area, described fan section is described picture region.
4. the display packing of liquid crystal instrument according to claim 2, is characterized in that, described picture region is column region;
Described " according to described data message and described reference position, determining described picture region on described viewing area " specifically comprises:
Described data message is mapped as to a height, the height that described height is described column region;
According to described height and described reference position, determine a column region on described viewing area, described column region is described picture region.
5. according to the display packing of liquid crystal instrument described in claim 1-4 any one, it is characterized in that, described " obtaining the data message that need to show in real time on liquid crystal instrument " specifically comprises:
Receive the simulating signal of outside collecting unit Real-time Collection;
Described simulating signal is carried out to analog to digital conversion, and the data after conversion are calculated as to described data message.
6. according to the display packing of liquid crystal instrument described in claim 1-4 any one, it is characterized in that, described " only the described picture region in described viewing area being shown " specifically comprises:
Pixel beyond picture region described in described viewing area is carried out to transparence processing;
Light liquid crystal instrument display screen and demonstrate the described viewing area of processing through transparence.
7. a liquid crystal indicator for automobile, is characterized in that, comprising:
Signal processing unit, for obtaining the data message that need to show in real time on liquid crystal instrument;
Picture library storage unit, for storing the graphic template of orienting viewing area;
Display processing unit, for determining picture region according to described data message on described viewing area;
Display unit, for only showing the described picture region of described viewing area.
8. the liquid crystal indicator of automobile according to claim 7, is characterized in that, described display processing unit comprises:
Reference position selected cell, for selecting reference position on described viewing area;
Picture region determining unit, for determining described picture region according to described data message and described reference position on described viewing area.
9. the liquid crystal indicator of automobile according to claim 8, is characterized in that, described picture region is a fan section;
Described picture region determining unit comprises:
The first map unit, for described data message is mapped as to an angle, the angle ranging from the radian in described fan section;
Fan section determining unit, for determining a fan section according to described angle and described reference position on described viewing area, the angle ranging from fan-shaped radian, and described fan section is described picture region.
10. the liquid crystal indicator of automobile according to claim 8, is characterized in that, described picture region is a column region;
Picture region determining unit comprises:
The second map unit, for being mapped as described data message one height, the height that described height is described column region;
Column region determining unit is determined a column region according to described height and described reference position on described viewing area, and described column region is described picture region.
11. according to the liquid crystal indicator of automobile described in claim 7-10 any one, it is characterized in that, described signal processing unit comprises:
Signal receiving unit, for receiving the simulating signal of outside collecting unit Real-time Collection;
Conversion and computing unit, for described simulating signal is carried out to analog to digital conversion, and be calculated as described data message by the data after conversion.
12. according to the liquid crystal indicator of automobile described in claim 7-10 any one, it is characterized in that, described display unit comprises:
Transparence processing unit, for carrying out transparence processing by the pixel beyond picture region described in described viewing area;
Display driver unit, demonstrates the described viewing area of processing through transparence for lighting liquid crystal instrument display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310288626.2A CN103714787A (en) | 2012-09-28 | 2013-07-10 | Liquid crystal instrument display method and automobile liquid crystal display device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
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| CN201220501930.1 | 2012-09-28 | ||
| CN201220501930 | 2012-09-28 | ||
| CN201310288626.2A CN103714787A (en) | 2012-09-28 | 2013-07-10 | Liquid crystal instrument display method and automobile liquid crystal display device |
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| CN103714787A true CN103714787A (en) | 2014-04-09 |
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| CN110058765A (en) * | 2019-04-29 | 2019-07-26 | 重庆长安汽车股份有限公司 | A kind of liquid crystal instrument screenshotss method and system |
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Application publication date: 20140409 |