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The cameras of smartphones are used as input devices in numerous research projects and commercial applications. A commercially successful example is the use of QR codes attached to physical objects. QR codes can be sensed by the phone using its camera and provide an according link to related digital content, usually a URL.
The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; the pattern of position detection was found and determined by applying the least-used ratio (1:1:3:1:1) in black ...
Definition. In computing, multi-touch is technology which enables a touchpad or touchscreen to recognize more than one [7] [8] or more than two [9] points of contact with the surface. Apple popularized the term "multi-touch" in 2007 with which it implemented additional functionality, such as pinch to zoom or to activate certain subroutines ...
In most cases, those QR codes still connect to some form of data to make them work, so even when boarding public transit, a user might be giving the transit agency that data. Sarah Kaufman from ...
WhatsApp (officially WhatsApp Messenger) is an instant messaging (IM) and voice-over-IP (VoIP) service owned by technology conglomerate Meta. It allows users to send text, voice messages and video messages, make voice and video calls, and share images, documents, user locations, and other content.
The Sony Xperia Z is an Android-based smartphone by Sony. Announced at CES 2013 the phone was officially released on 9 February 2013 in Japan and 1 March 2013 in Singapore and the UK. It was released in the U.S months later. [12] The Xperia Z was initially shipped with the Android 4.1.2 (Jelly Bean) operating system.
Phone Link can also be used to mirror the screen of an Android device; however this feature is currently only available on select devices with the Link to Windows service pre-installed. [5] [6] The app also has a cross-device copy and paste feature allowing users to send copied text and images between devices using the same copy and paste ...
QR codes. Two-dimensional barcodes that are scanned with a mobile phone camera. They can take a user to the particular advertising webpage a QR code is attached to. QR codes are often used in mobile gamification when they appear as surprises during a mobile app game and directs users to the specific landing page.
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