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LG G3 is an Android smartphone developed by LG Electronics. First released in South Korea on May 28, 2014, it is a successor to 2013's LG G2.〔(【引用サイトリンク】url=http://www.cnet.com/uk/news/lg-g3-uk-price-and-release-date/ )〕〔(【引用サイトリンク】url=http://www.cnet.com/news/lg-g3-coming-to-major-us-carriers-summer-2014/ )〕 Inheriting design elements from the G2, such as its thin screen bezels and rear-mounted power and volume buttons, the G3 is distinguished primarily by being the first smartphone from a major manufacturer to incorporate a quad HD (1440p) display, and its inclusion of an infrared hybrid autofocus system for its camera. LG also touted the device's plastic "metallic skin"—designed to give the device a higher quality appearance, and a "simpler" user interface with an integrated intelligent personal assistant system. The G3 received mostly positive reviews, with critics praising the overall appearance, performance, display quality, and software of the device. However, several aspects of the G3 were panned, including the company's decision to use a faux metallic plastic instead of actual metal and whether the resolution of the display had any real effect on day-to-day usage of the device. == Development == One of the major goals of the G3 was to provide a simpler overall experience than other smartphones; Jong-Seok Park, president of LG's mobile division, argued that "the smartest innovation in a fast-evolving smartphone market is creating harmony between advanced technology and a simplified user experience."〔 While developing the G3, LG designers produced at least 300 different design prototypes, with various button layouts, materials, and finishes.〔 The company aimed to address criticisms faced by the G2's design—whose "glossy" plastic chassis was panned for having a plain appearance and for attracting finger smudges. The finishing of the G3 was designed to look and feel like brushed metal, whilst resisting smudging and scratching, and not feeling cold to touch. While LG considered using the "self-healing" coating from the G Flex, LG's vice president of mobile design Chul Bae Lee stated that they could not use it without making the phone glossy.〔 The rear buttons of the G2 were retained, but with a more circular shape that is separated from the camera area; the new design is intended to prevent users from accidentally smudging the camera lens when using the buttons. The thin bezels of the G3, along with its curved shape, are intended to help improve grip and make the device feel smaller than it actually is, given its screen size. While the G3's battery has the same capacity as the G2, a subtly-curved "arc battery" had to be designed so it could fit under the G3's curved rear cover.〔〔 To achieve battery life comparable to other "1080p flagship" devices—especially given the significantly higher resolution of its screen, several optimization measures are implemented in the G3's software. These include capping the frame rate rendered when the screen is displaying static content, and underclocking the processor when the device is not running processor-intensive applications. With these optimizations, LG demonstrated that the G3 could play video for six and a half hours at full screen brightness on a single charge.〔〔(【引用サイトリンク】url=http://www.phonearena.com/news/Quad-HD-LG-G3-battery-life-similar-to-a-1080p-flagship-thanks-to-the-custom-3A-technology_id56565 )〕 The G3 incorporates a "laser autofocus" system, being among the first smartphones to incorporate such a feature. Based on technology that was being researched for the LG Roboking robotic vacuum cleaner line, but ultimately left unused,〔〔 the system uses a cone-shaped infrared beam to map the depth and position of objects; this data can be combined with traditional autofocus mechanisms, and face detection capabilities. LG claimed that this system gave the G3 the fastest autofocus time of any smartphone, 276 milliseconds. Other recent phones, such as the HTC One (M8) and Samsung Galaxy S5, had boasted autofocus times of 300 milliseconds. The introduction of the laser into the G3's feature set occurred late in development, and the majority of the mockups were not designed to compensate for its presence, requiring additional tweaks to the phone's shape.〔(【引用サイトリンク】url=http://www.engadget.com/2014/05/27/lg-design-story-g3/?ncid=rss_truncated )〕〔(【引用サイトリンク】url=http://www.theverge.com/2014/5/27/5755712/how-lgs-robot-lasers-produced-the-fastest-cameraphone )〕 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「LG G3」の詳細全文を読む スポンサード リンク
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