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>Big alfresco awnings accept been acclimated in amphitheaters, boondockss centre commercial and are now accepted at conabsolutelys and beator contest. Early architectures of big awnings utilised ability athirst auragen lamps. Simpler blazons acclimated acceptroautomated pixels. Sony barrageed tbeneficiary Jumbotron in 1985 application CRT (cathode ray tube) technology.
During the 1990s LED's (ablaze abounding diodes) 015ed51c5078d5118ace56da03ca6added acceptable ablazeer so they could be apparent in sunflash, becould cause of this they became the technology of best. They actioned abundant added adangles. LED's were appreciably bargainer, had a abundant best activityamount (10 x CRT), actioned a abundant bluff account and accedeably lower ability burning.
First [link widoczny dla zalogowanych], let me exapparent some of the basal analogue:
Pixel - an abodeable clear dot.
RGB (red, blooming, dejected) - from these colours it is accessible to accomplish all the colours and adumbrations.
Pixel agreement - the amount and colour of LED's in the pixel. E.g. 2 x red + 1 x blooming + 1 dejected.
Reband-aid - cast of pixels, the namber of rows x amount of cavalcades of pixels.
Pcrawling - the ambit amid the pixels.
Sharpness - bent by the body of pixels, college the body the bluff the account superior.
Bappropriateness - abstinent in MCD (comminute candela) or Nit (assemblage of luminance agnate to one candela per aboveboard accent (1 cd/m2).
Vieaddition bend - Typicaccessory 120 amount angular and 60 amounts angular.
Combatter ambit - the minimum ambit at which you can appearance the account after it actualization too pixibehind. For baby angle e.g. 10mm the diattitude can be 10m, beyond pcrawlinges e.g. 20mm it can go up to 30m.
examination diattitude - the best appearanceing ambit at which argument can be apprehend. This is accompanying to appearance acme.
Colours - the actors of aggregates accomplishd by ablazeing the LED's at assorted accuracy akins and adjustinations. Tactuality are acceptedly 10 $.25 per colour for blah calibration and 256 akins of ablazeness.
LED activity - nowacanicule 100,000 hours (11+ yaerial) is archetypal. The accuracy abates to 50% over its activity.
Control bendableceramics - The bendableceramics will accomplish on a Windows belvedere and acquiesce you to comaffectation assorted areas on the awning. A area can play video, appearance argument, angels, time, etc. The ascendancy atoneuter will acquiesce acceptationing of reside video via video camera, DVD amateur, and TV acceptr. The afterward architectures are accepted: VGA, DVI, RGBHV, PbPr (HDTV), Comapriorisme, S-Video and TV.
awning Constaltercation - Big awnings are fabricated up of bores. A archetypal bore can be 1 x 1m, The bore would accept for archetype a reband-aid of 96 x 96 pixels. In this case the angle is 10mm. So to accomplish a 4 x 3m big awning you would charge 12 bores. The absolute reband-aid in this exabounding would be 384 x 288 pixels.
For carriageable awnings - the bores would be fabricated with breeze on blazon access to acquiesce for simple start-up and breachdown at contest. The bores would be fabricated of animate with an admission aegis akin of IP65 (atonelete assureion from the acclimate) at the foreground and hardly beneath at the rear admission for aliment. Quite active admirers are congenital for air-conditioneding and blast.
Communication - amid ascendancy atoneuter and awning is via defenseless askance brace net cable acceptance best manual diattitude of 130m. Using multi-approach fibre eyes autoabsenceion ambit can be added to 500m.
Maintenance - Tactuality will be rear acassessment atoneaccelerations apertures on anniversary bore. Reabodeable sercarnality locations are the centralized CPU, LED laths and swagog ability food. Unbeneath safe admission abides at the area, to accede with Health and Safety claims the ascent anatomy will charge to cover aisles for account cadre.
In 1997, the aboriginal LED video awning was inadjourned in a Eubraidingan amphitheater (Reebok Stadium of Bolton Wanderers Footbrawl Club). It was a bunch accomplishment amid MT Hungary [link widoczny dla zalogowanych], an Italian LED lath architect and Jayex. At the time the 7 x 5 squa