Passage: Physical Transportation of Digital Information in Cooperative Buildings

  • Shin’ichi Konomi
  • Christian Müller-Tomfelde
  • Norbert A. Streitz
Part of the Lecture Notes in Computer Science book series (LNCS, volume 1670)


The Passage mechanism introduced in this paper provides an easy and intuitive way to transport various types of digital objects by using also normal physical objects without any special identification tags. The current implementation of the Passage mechanism utilizes electronic scales and contact-free identification devices and thus allows for identification of arbitrary physical objects as well as immediate and unique identification of certain dedicated physical objects. The mechanism is used in various types of cooperative work scenarios in the i-LAND environment (Streitz, et al. 1999) that provides an essential part of the infrastructure for cooperative buildings.


augmented reality ubiquitous computing sensing devices databases information spaces cooperative buildings roomware 


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Copyright information

© Springer-Verlag Berlin Heidelberg 1999

Authors and Affiliations

  • Shin’ichi Konomi
    • 1
  • Christian Müller-Tomfelde
    • 1
  • Norbert A. Streitz
    • 1
  1. 1.GMD – German National Research Center for Information TechnologyIPSI – Integrated Publication and Information Systems InstituteDarmstadtGermany

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