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An ultra-mobile PC〔Spelled lower case because it's a type of computer, not a specific product, see (Microsoft's description ).〕 (ultra-mobile personal computer or UMPC) was a small form factor version of a pen computer, a class of laptop whose specifications were launched by Microsoft and Intel in spring 2006. Sony had already made a first attempt in this direction in 2004 with its Vaio U series, which was however only sold in Asia. UMPCs are smaller than subnotebooks, have a TFT display measuring (diagonally) about 12.7 to 17.8 cm (5 to 7 inch screen), are operated like tablet PCs using a touchscreen or a stylus, and can also have a physical keyboard. There is no clear boundary between subnotebooks and ultra-mobile PCs. The first-generation UMPCs were simple PCs running Linux or an adapted version of Microsoft's tablet PC operating system. With the announcement of the UMPC, Microsoft dropped the licensing requirement that tablet PCs must support proximity sensing of the stylus, which Microsoft termed "hovering". Second-generation UMPCs use less electricity and can therefore be used longer (up to five hours) and also support Windows Vista. Originally code-named Project Origami, the project was launched in 2006 as a collaboration between Microsoft, Intel, Samsung, and a few others. After largely been supplanted by tablet computers, production of Ultra-mobile PC was discontinued in early 2010s. ==History== In February 2006, a viral marketing campaign was quietly launched for the UMPC, then still referred to by its codename, "Project Origami".〔(Origami Project - YouTube )〕 Speculation over "what is Origami?" and pictures of the rumored prototypes were passed around and covered extensively on Engadget, Scobleizer,〔(What is the Origami Project? « Scobleizer — Tech geek blogger )〕 Thatedeguy〔(What is Origami? Microsoft's Origami Project | Thatedeguy )〕 and other technology sites. Finalization of the Origami project was announced in time to keep the excitement level high for CeBIT. Much speculation positioned Origami as a portable gaming device that would directly compete with Nintendo's DS and Sony's PSP. This rumor gained credibility after videos were leaked showing ''Halo: Combat Evolved'' being played on a UMPC. While the movie was quickly taken down from its original source, mirrors exist on many other sites. 〔(Origami Project leaked video- YouTube )〕 Later in the week, the Associated Press confirmed that "Origami" was actually to be a regular PC with "limited gaming capabilities". 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「Ultra-mobile PC」の詳細全文を読む スポンサード リンク
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