Remote-Touch: A Laser Input User-Display Interaction Technology

Remote-Touch: A Laser Input User-Display Interaction Technology

In this paper, we present a new user-display interaction technology in which a laser-pointer is used to select objects on a display screen. In this interaction technology, the user points to the object on the display, using a laser-pointer to make a selection. This allows interaction from a distance...

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Bibliographic Details
Published in:Journal of display technology Vol. 4; no. 1; pp. 39 - 46
Main Authors: Pasquariello, D., Vissenberg, M.C.J.M., Destura, G.J.
Format: Journal Article
Language:English
Published: New York IEEE 01-03-2008
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Computer displays
Detectors
Display devices
Displays
Indentation
Intelligent sensors
interactive TV
Laboratories
Lasers
Optical feedback
optical planar waveguides
Optical sensors
Optical surface waves
optics
Personal digital assistants
Polymethyl methacrylate
Polymethyl methacrylates
Position sensitive particle detectors
Screens
State of the art
Technology utilization
user interfaces
Waveguide lasers
interactive TV
Displays
intelligent sensors
user interfaces
optical planar waveguides
optics
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Summary:In this paper, we present a new user-display interaction technology in which a laser-pointer is used to select objects on a display screen. In this interaction technology, the user points to the object on the display, using a laser-pointer to make a selection. This allows interaction from a distance, which is an advantage over state-of-the-art touchscreen technologies. This interaction technology will be referred to as ldquoremote-touchrdquo. It consists of a laser-pointer, a transparent micro-structured light-guiding substrate, and position-sensitive detectors (PSDs). The substrate, which is patterned with a micro-structure of pyramid-shaped indentations, is put in front of the display. When the laser-light hits the display the micro-structure in the polymethyl methacrylate (PMMA) substrate reflects part of the laser-light to the sides of the display screen. The PSDs at the edge of the PMMA substrate read-out the position of the laser-spot. This paper focuses on the optical performance of the micro-structured PMMA substrate.
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ISSN:1551-319X
1558-9323
DOI:10.1109/JDT.2007.904368