2016年10月20日 星期四

評估電子羅馬旗之硬體選擇


本校的校園有很多展出與舉辦活動的機會,主辦單位或廠商都會製作羅馬旗來吸引經過的師生或民眾關注活動訊息。在此計畫的第二、三期預計發展一種路燈上附加電子羅馬旗(數位看板)之應用,可以遠端隨時修改電子羅馬旗的內容,並加裝各種感測器來觸發所顯示的內容,同時也會有動線導引的相關功能(如下示意圖)。




經過審慎評估,晶達光電的SPANPIXEL高亮度低能耗之LED背光屏LCD超寬屏液晶螢幕最為理想(SSD3840SSD4913)。最高顯示亮度達2,000nits,最大的耗電功率則不超過120W, LED背光光學模組設計,適用於戶外顯示,在陽光下也可以清楚地看到顯示畫面,結合區域調光技術可再節省電力消耗50%。外觀設計是狹長型,窄邊框,可直立顯示,預留各種媒體播放器,多種影像輸入介面,及有線(LAN)、無線網路(WiFi)的功能,讓播放管理系統及播放的內容更容易操作。
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原先規劃讓進入校園後的車輛可藉由路燈加裝的電子羅馬旗來提供活動訊息及相對位置方向導引等資訊,經過評估確定短期內在硬體設備上的成本無法大幅降低,開發如此的系統將不具前瞻示範效益。

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