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Patent

Gestures for touch sensitive input devices

TLDR
In this article, the authors described a system for processing touch inputs with respect to a multipoint sensing device and identifying at least one multipoint gesture based on the data from the multi-point sensing device.
Abstract
Methods and systems for processing touch inputs are disclosed. The invention in one respect includes reading data from a multipoint sensing device such as a multipoint touch screen where the data pertains to touch input with respect to the multipoint sensing device, and identifying at least one multipoint gesture based on the data from the multipoint sensing device.

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Citations
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Touch screen device, method, and graphical user interface for determining commands by applying heuristics

TL;DR: In this paper, a computer-implemented method for use in conjunction with a computing device with a touch screen display comprises: detecting one or more finger contacts with the touch screen, applying one or several heuristics to the finger contacts to determine a command for the device, and processing the command.
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TL;DR: In this article, a user interface method for detecting a touch and then determining user interface mode when a touch is detected is presented. And the method further includes activating one or more GUI elements based on the user interface modes and in response to the detected touch.
References
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Infrared touch panel with improved sunlight rejection

TL;DR: In this article, a microlouvre filter is arranged so that it passes light transmitted by the light detectors and rejects off-axis light, while a narrow band optical filter is used to pass light having wavelengths within a narrow bands selected to correspond to the spectral characteristics of the light emitters.
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Handheld electronic device with touch pad

Jin Lu
TL;DR: An ergonomically held portable electronic device having a touch pad with a pressure sensitive simulated keyboard is described in this paper, where the user places his or her fingers upon the touch pad in positions representing the keys of the keyboard.
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TL;DR: In this paper, a disc jockey mixing console with analog controls, crossfader and scratchpad is used to mix audio tracks from compressed digital audio data sound recordings, which allows far superior manual dexterity for adjustment of volume and speed when mixing audio tracks as compared to digital mouse.
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