Methods for producing low-visibility retroreflective visual...

Details Methods for producing low-visibility retroreflective visual... Methods for producing low-visibility retroreflective visual...

2008-06-17

2008-06-17

Allen, Stephone B. (Department: 2872)

Optical: systems and elements

Signal reflector

3-corner retroreflective

C359S350000

Reexamination Certificate

active

07387393

ABSTRACT:
A process for producing a low-visibility retroreflective visual tag, which can be used to identify and/or determine the position of an object. This process involves placing an infra-red-blocking material over a retroreflective substrate to form the low-visibility retroreflective visual tag. This infra-red-blocking material is placed so as to form a pattern, which becomes visible to an infrared sensor when the low-visibility retroreflective visual tag is illuminated by an infra-red light source.

REFERENCES:
patent: 3758193 (1973-09-01), Tung
patent: 4175775 (1979-11-01), Kruegle
patent: 4222662 (1980-09-01), Kruegle
patent: 5200851 (1993-04-01), Coderre et al.
patent: 6024455 (2000-02-01), O'Neill et al.
patent: 6446865 (2002-09-01), Holt et al.
patent: 6537673 (2003-03-01), Sada et al.
patent: 7207494 (2007-04-01), Theodossiou et al.
patent: 2006/0138225 (2006-06-01), Richley et al.
Publication: “Localization of Wearable Users Using Invisible Retro-Reflective Markers and an IR Camera”, by Yusuke Nakazato et al., Dec. 2004, Graduate School of Information Science, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara, 630-0192, Japan, http://yokoya.aist-nara.ac.jp/paper/datas/788/spie2005nakazatoM.pdf.
Publication: “Invisible Marker Tracking for AR”, by Hanhoon Park and Jon-II Park of Hanyang University, Seal, Korea, Proceedings of the Third IEEE and ACM International Symposium on Mixed and Augmented Reality (ISMAR 2004), http://csdl2.computer.org/comp/proceedings/ismar/2004/2191/00/21910272.pdf.

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