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GaussSense: attachable stylus sensing using magnetic sensor grid

Published: 07 October 2012 Publication History

Abstract

This work presents GaussSense, which is a back-of-device sensing technique for enabling input on an arbitrary surface using stylus by exploiting magnetism. A 2mm-thick Hall sensor grid is developed to sense magnets that are embedded in the stylus. Our system can sense the magnetic field that is emitted from the stylus when it is within 2cm of any non-ferromagnetic surface. Attaching the sensor behind an arbitrary thin surface enables the stylus input to be recognized by analyzing the distribution of the applied magnetic field. Attaching the sensor grid to the back of a touchscreen device and incorporating magnets into the corresponding stylus enable the system 1) to distinguish touch events that are caused by a finger from those caused by the stylus, 2) to sense the tilt angle of the stylus and the pressure with which it is applied, and 3) to detect where the stylus hovers over the screen. A pilot study reveals that people were satisfied with the novel sketching experiences based on this system.

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    cover image ACM Conferences
    UIST '12: Proceedings of the 25th annual ACM symposium on User interface software and technology
    October 2012
    608 pages
    ISBN:9781450315807
    DOI:10.1145/2380116
    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 2012

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    Author Tags

    1. magnetism
    2. sensor
    3. stylus
    4. touchscreen

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    • (2024)MagDesk: Interactive Tabletop Workspace Based on Passive Magnetic TrackingProceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies10.1145/36997568:4(1-31)Online publication date: 21-Nov-2024
    • (2024)Passive Stylus Tracking: A Systematic Literature ReviewProceedings of the ACM on Human-Computer Interaction10.1145/36981448:ISS(427-461)Online publication date: 24-Oct-2024
    • (2024)MobiTangibles: Enabling Physical Manipulation Experiences of Virtual Precision Hand-Held Tools' Miniature Control in VRIEEE Transactions on Visualization and Computer Graphics10.1109/TVCG.2024.345619130:11(7321-7331)Online publication date: Nov-2024
    • (2024)Using Synthetic Data in Supervised Learning for Robust 5-DoF Magnetic Marker LocalizationIEEE Transactions on Magnetics10.1109/TMAG.2024.341672960:8(1-11)Online publication date: Aug-2024
    • (2023)MagAuth: Secure and Usable Two-Factor Authentication With Magnetic Wrist WearablesIEEE Transactions on Mobile Computing10.1109/TMC.2021.307259822:1(311-327)Online publication date: 1-Jan-2023
    • (2021)MagneTrack: Magnetic Field Separation Method for Continuous and Simultaneous 1-DOF Tracking of Two-magnetsProceedings of the 23rd International Conference on Mobile Human-Computer Interaction10.1145/3447526.3472052(1-11)Online publication date: 27-Sep-2021
    • (2021)Itsy-Bits: Fabrication and Recognition of 3D-Printed Tangibles with Small Footprints on Capacitive TouchscreensProceedings of the 2021 CHI Conference on Human Factors in Computing Systems10.1145/3411764.3445502(1-12)Online publication date: 6-May-2021
    • (2021)FieldSweep: A 2D Tracking System With Embedded Magnets and a SmartphoneExtended Abstracts of the 2021 CHI Conference on Human Factors in Computing Systems10.1145/3411763.3451841(1-6)Online publication date: 8-May-2021
    • (2021)EM-POSE: 3D Human Pose Estimation from Sparse Electromagnetic Trackers2021 IEEE/CVF International Conference on Computer Vision (ICCV)10.1109/ICCV48922.2021.01131(11490-11500)Online publication date: Oct-2021
    • (2021)Creative Design of Gaussian Sensor System with Encoding and DecodingHuman Interface and the Management of Information. Information-Rich and Intelligent Environments10.1007/978-3-030-78361-7_29(385-395)Online publication date: 3-Jul-2021
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