Touchmover: Actuated 3d touchscreen with haptic feedback

ABSTRACT This paper presents the design and development of a novel visual+haptic device that co-locates 3D stereo visualization, direct touch and touch force sensing with a robotically actuated display. Our actuated immersive 3D display, called TouchMover, is capable of providing 1D movement (up to 36cm) and force feedback (up to 230N) in a single dimension, perpendicular to the screen plane. In addition to describing the details of our design, we showcase how TouchMover allows the user to: 1) interact with 3D objects by pushing them on the screen with realistic force feedback, 2) touch and feel the contour of a 3D object, 3) explore and annotate volumetric medical images (e.g., MRI brain scans) and 4) experience different activation forces and stiffness when interacting with common 2D on-screen elements (e.g., buttons). We also contribute the results of an experiment which demonstrates the effectiveness of the haptic output of our device. Our results show that people are capable of disambiguating between 10 different 3D shapes with the same 2D footprint by touching alone and without any visual feedback (85% recognition rate, 12 participants)

Thumb + Pen Interaction on Tablets

ABSTRACT Modern tablets support simultaneous pen and touch input, but it remains unclear how to best leverage this capability for bimanual input when the nonpreferred hand holds the tablet. We explore Thumb + Pen interactions that support simultaneous pen and touch interaction, with both hands, in such situations. Our approach engages the thumb of the device-holding hand, such that the thumb interacts with the touch screen in an indirect manner, thereby complementing the direct input provided by the preferred hand. For instance, the thumb can determine how pen actions (articulated with the opposite hand) are interpreted. Alternatively, the pen can point at an object, while the thumb manipulates one or more of its parameters through indirect touch. Our techniques integrate concepts in a novel way that derive from marking menus, spring-loaded modes, indirect input, and multi-touch conventions. Our overall approach takes the form of a set of probes, each representing a meaningfully distinct class of application. They serve as an initial exploration of the design space at a level which will help determine the feasibility of supporting bimanual interaction in such contexts, and the viability of the Thumb + Pen techniques in so doing

« Le langage ne se traverse pas comme un milieu neutre et transparent. Il résiste, forme et déforme textuellement le sens. »

Jean-Michel Adam, linguiste, est interrogé par Stéphanie Pahud sur les particularités de sa conception de la linguistique textuelle et de sa situation dans le champ de l’analyse des pratiques discursives. L’entretien revient sur la naissance et l’évolution de cette discipline puis sur un certain nombre de notions qu’elle permet de problématiser, dont celles de texte, de formations discursives et de genres discursifs et textuels. Il aborde la place de l’analyse textuelle dans l’espace des recherches sur le discours politique. Il développe également les liens tissés entre la linguistique textuelle et d’autres disciplines, notamment la littérature comparée et la traduction.The linguist Jean-Michel Adam is questioned by Stéphanie Pahud about the peculiarities of his conception of text linguistics and its situation in the field of discourse analysis. The interview looks back at the birth and evolution of this discipline and then at a certain number of notions that it makes it possible to problematize, including those of text, discursive formations and discursive and textual genres. It addresses the place of textual analysis in the space of political discourse research. It also develops the links between text linguistics and other disciplinary fields, including comparative literature and translation.Jean-Michel Adam, lingüista, es cuestinado por Stéphanie Pahud sobre las particularidades de su concepción de la lingüística textual y su situación en el campo del análisis de las prácticas discursivas. La entrevista repasa el nacimiento y la evolución de esta disciplina y luego una cierta cantidad de nociones que permite problematizar, entre ellas las de texto, las de las formaciones discursivas y de los géneros discursivos y textuales. Discute el lugar del análisis textual en el espacio de la investigación del discurso político. Desarrolla también las conexiones entre la lingüística textual y otras disciplinas, incluyendo la literatura comparativa y la traducción