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The DR800SG is an electronic handheld device, or e-Reader, which can be used for document reading using an electronic paper display. ==Description== Main specifications:〔http://www.irexreader.com/specifications.html〕 * an electronic paper display, area for displaying content is 124x165mm * a resolution of 768x1024 pixels (160 dpi) * 16 levels of grayscale * a USB 2.0 connector for external storage, * Mobile broadband (3G): CDMA-based * weight * 400 MHz Freescale i.MX31L processor * 128MB RAM * 2 GB replaceable MicroSD card for User storage * Linux-based operating system (2.6 kernel) * SDK is provided, so functionality is easily extended.〔"http://support.irexnet.com/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=31"〕 It measures 150 mm × 193 mm × 10 mm (width × height × depth), the size of an A5 document, or roughly a 6"×9" steno notebook. The display used is an active matrix electrophoretic display, which uses E Ink Vizplex Imaging Film manufactured by E Ink Corporation. Underneath the E Ink screen is a digitizing tablet by Wacom which requires a stylus for input. The DR800SG is capable of displaying document files in a number of formats, including EPUB, PDF, XHTML and plain text. It can also display JPEG, BMP and PNG images, but only black white in 16 grey scales. Through its wireless service, Verizon 3G, the DR800SG can directly download content. Via the onboard "shopping mall" users can directly access several book stores and purchase their books directly through their device. Users can connect to their computer and transfer files to their device via USB 2.0 The distributor of the DR800SG is iRex Technologies, a Philips spin-off company. The DR800SG was released in January 2010. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Digital Reader DR800SG」の詳細全文を読む スポンサード リンク
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