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PUCs: detecting transparent, passive untouched capacitive widgets on unmodified multi-touch displays

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Jan BorchersAuthors Info & Claims

ITS '13: Proceedings of the 2013 ACM international conference on Interactive tabletops and surfaces

Pages 101 - 104

https://doi.org/10.1145/2512349.2512791

Published: 06 October 2013 Publication History

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Abstract

Capacitive multi-touch displays are not designed to detect passive objects placed on them-in fact, these systems usually contain filters to actively reject such touch data. We present a technical analysis of this problem and introduce Passive Untouched Capacitive Widgets (PUCs). Unlike previous approaches, PUCs do not require power, they can be made entirely transparent, they are detected reliably even when no user is touching them, and they do not require internal electrical or software modifications of the touch display or its driver. We show the results from testing PUCs on 17 different off-the-shelf capacitive touch display models, and provide initial technical design recommendations.

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Delgado Rodriguez SPrange SMecke LAlt FCiolfi LHogan TDöring TJenkins Tvan Dijk JHuron SLi ZCoyle DSigner B(2024)Act2Auth – A Novel Authentication Concept based on Embedded Tangible Interaction at DesksProceedings of the Eighteenth International Conference on Tangible, Embedded, and Embodied Interaction10.1145/3623509.3633360(1-15)Online publication date: 11-Feb-2024
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Ikematsu KKato K(2023)ShiftTouch: Extending Touchscreens with Passive Interfaces using Small Occluded Area for Discrete Touch InputProceedings of the Seventeenth International Conference on Tangible, Embedded, and Embodied Interaction10.1145/3569009.3572742(1-15)Online publication date: 26-Feb-2023
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Index Terms

PUCs: detecting transparent, passive untouched capacitive widgets on unmodified multi-touch displays
1. Human-centered computing
  1. Human computer interaction (HCI)
    1. Interaction devices
      1. Touch screens

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Published In

ITS '13: Proceedings of the 2013 ACM international conference on Interactive tabletops and surfaces

October 2013

514 pages

ISBN:9781450322713

DOI:10.1145/2512349

General Chairs:
Aaron Quigley
University of St. Andrews, UK
,
Giulio Jacucci
HIIT / University of Helsinki, Finland
,
Program Chairs:
Michael Horn
Northwestern University, USA
,
Miguel Nacenta
University of St. Andrews, UK

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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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 06 October 2013

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ITS '13

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SIGCHI

ITS '13: The ACM International Conference on Interactive Tabletops and Surfaces

October 6 - 9, 2013

St. Andrews, Scotland, United Kingdom

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ITS '13 Paper Acceptance Rate 35 of 121 submissions, 29%;

Overall Acceptance Rate 119 of 418 submissions, 28%

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Cited By

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https://dl.acm.org/doi/10.1145/3623509.3633360
Adamkiewicz KDominiak JWalczak ARomanowski AWoźniak P(2024)Screenless Interactive Tabletop Gaming with Capacitive Surface SensingProceedings of the CHI Conference on Human Factors in Computing Systems10.1145/3613904.3642654(1-10)Online publication date: 11-May-2024
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PERCs: Persistently Trackable Tangibles on Capacitive Multi-Touch Displays

PUCs demo: detecting transparent, passive untouched capacitive widgets

PUCs: detecting transparent, passive untouched capacitive widgets on unmodified multi-touch displays