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Two-finger input with a standard touch screen

Published: 07 October 2007 Publication History

Abstract

Most current implementations of multi-touch screens are still too expensive or too bulky for widespread adoption. To improve this situation, this work describes the electronics and software needed to collect more data than one pair of coordinates from a standard 4-wire touch screen. With this system, one can measure the pressure of a single touch and approximately sense the coordinates of two touches occurring simultaneously. Naturally, the system cannot offer the accuracy and versatility of full multi-touch screens. Nonetheless, several example applications ranging from painting to zooming demonstrate a broad spectrum of use.

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References

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Cited By

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  • (2011)Grasp sensing for human-computer interactionProceedings of the fifth international conference on Tangible, embedded, and embodied interaction10.1145/1935701.1935745(221-228)Online publication date: 22-Jan-2011
  • (2009)ThinSightCommunications of the ACM10.1145/1610252.161027752:12(90-98)Online publication date: 1-Dec-2009

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    cover image ACM Conferences
    UIST '07: Proceedings of the 20th annual ACM symposium on User interface software and technology
    October 2007
    306 pages
    ISBN:9781595936790
    DOI:10.1145/1294211
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    Published: 07 October 2007

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    Author Tags

    1. multi-touch screen
    2. selecting
    3. zooming

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    View all
    • (2011)Grasp sensing for human-computer interactionProceedings of the fifth international conference on Tangible, embedded, and embodied interaction10.1145/1935701.1935745(221-228)Online publication date: 22-Jan-2011
    • (2009)ThinSightCommunications of the ACM10.1145/1610252.161027752:12(90-98)Online publication date: 1-Dec-2009

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