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ShiftTouch: Extending Touchscreens with Passive Interfaces using Small Occluded Area for Discrete Touch Input

Published: 26 February 2023 Publication History
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  • Abstract

    We present ShiftTouch, an attachment-type passive interface that provides multiple inputs for capacitive touchscreens with minimal screen occlusion. ShiftTouch utilizes multiple linear electrodes to control the fine displacement of the touch position. The touch input is activated under the electrodes when several adjacent electrodes are grounded simultaneously. Each input area shares several electrodes with neighboring input areas, and the touchscreen identifies each one by detecting the fine displacement of the touch position. ShiftTouch can effectively reduce the occlusion area while inheriting the advantages of existing touch extension interfaces, which are battery-free, freely detachable, and easy to construct. Depending on the number of inputs to implement, ShiftTouch can alleviate screen occlusion by up to 80.5% compared to existing approaches using finger-sized electrodes.

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    • (2024)Playing with PaperTouchCompanion Publication of the 2024 ACM Designing Interactive Systems Conference10.1145/3656156.3665438(305-308)Online publication date: 1-Jul-2024

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      cover image ACM Conferences
      TEI '23: Proceedings of the Seventeenth International Conference on Tangible, Embedded, and Embodied Interaction
      February 2023
      709 pages
      ISBN:9781450399777
      DOI:10.1145/3569009
      This work is licensed under a Creative Commons Attribution International 4.0 License.

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      Published: 26 February 2023

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      Author Tags

      1. Capacitive Touchscreen
      2. Tangible
      3. Touchscreen Extensions.

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      • (2024)Playing with PaperTouchCompanion Publication of the 2024 ACM Designing Interactive Systems Conference10.1145/3656156.3665438(305-308)Online publication date: 1-Jul-2024

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