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An LED-based multitouch sensor for LCD screens

Published: 24 January 2010 Publication History

Abstract

In recent years, a large number of multitouch sensor concepts have been presented. Particularly optical sensors are highly popular due to their versatility. However, especially camera-based systems often require a significant amount of space behind the screen and are not well suited to flatscreen-based setups. While integrated sensors for flatscreens have already been presented, they are mostly complex, expensive or both.
To address these problems, a novel type of multitouch sensor is presented which extends a common LCD monitor with multitouch capabilities without significant depth requirements. The sensor consists of a homogeneous matrix of cheap, mass-produced infrared LEDs. The LCD surface remains unmodified, resulting in a pleasant haptic experience for the user.

References

[1]
J. Y. Han. Low-cost multi-touch sensing through frustrated total internal reflection. In Proc. UIST '05: User interface software and technology, pages 115--118, 2005.
[2]
J.Y. Han. Multi-touch sensing light emitting diode display and method for using the same. U. S. Patent 250,221,000, Oktober 2005.
[3]
R. Hofer, D. Naeff, and A. Kunz. FLATIR: FTIR multi-touch detection on a discrete distributed sensor array. In Proc. TEI '09: Tangible and Embedded Interaction, pages 317--322, New York, NY, USA, 2009. ACM.
[4]
S. Izadi, S. Hodges, A. Butler, A. Rrustemi, and B. Buxton. ThinSight: integrated optical multi-touch sensing through thin form-factor displays. In Proc. EDT'07: Emerging Display Technologies, page 6, New York, NY, USA, 2007. ACM.
[5]
F.M. Mims, III. Led Circuits and Projects, pages 60--61, 76--77, 122--123. Howard W. Sams, New York, USA, 1973.

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  1. An LED-based multitouch sensor for LCD screens

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    cover image ACM Conferences
    TEI '10: Proceedings of the fourth international conference on Tangible, embedded, and embodied interaction
    January 2010
    414 pages
    ISBN:9781605588414
    DOI:10.1145/1709886
    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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    New York, NY, United States

    Publication History

    Published: 24 January 2010

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    Author Tags

    1. led sensing
    2. multitouch
    3. optical sensor
    4. sensor hardware

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    Overall Acceptance Rate 393 of 1,367 submissions, 29%

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    • (2024)Human–machine interaction towards Industry 5.0: Human-centric smart manufacturingDigital Engineering10.1016/j.dte.2024.1000132(100013)Online publication date: Sep-2024
    • (2014)HumanTopMultimedia Tools and Applications10.1007/s11042-012-1193-y70:3(1837-1868)Online publication date: 1-Jun-2014
    • (2013)uTouchProceedings of the SIGCHI Conference on Human Factors in Computing Systems10.1145/2470654.2481356(2581-2584)Online publication date: 27-Apr-2013
    • (2013)HACHIStackProceedings of the SIGCHI Conference on Human Factors in Computing Systems10.1145/2470654.2466187(1411-1420)Online publication date: 27-Apr-2013
    • (2013)InfTouch: A multi-touch and free-air interaction technique for over-sized displays2013 6th International Congress on Image and Signal Processing (CISP)10.1109/CISP.2013.6743903(1452-1456)Online publication date: Dec-2013
    • (2013)A Neural-Network-Based Hand Posture Recognition MethodTransactions on Engineering Technologies10.1007/978-94-007-7684-5_14(187-201)Online publication date: 1-Dec-2013
    • (2012)ZeroTouchProceedings of the SIGCHI Conference on Human Factors in Computing Systems10.1145/2207676.2208368(2165-2174)Online publication date: 5-May-2012

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