Optics: image projectors – Plural
Reexamination Certificate
2006-11-07
2006-11-07
Dowling, William C. (Department: 2851)
Optics: image projectors
Plural
C353S121000, C353S079000, C359S451000
Reexamination Certificate
active
07131733
ABSTRACT:
A method for creating brightness filters. The brightness filters are used in a projection system in which divided images are projected on a curved screen from a plurality of projectors with adjacent divided images overlapped partially, in order to adjust brightness of the divided images beforehand so that brightness of overlapping areas between the divided images is in harmony with brightness of non-over-lapping areas. The feature of the present invention resides in that the method includes a step of allocating one of the divided images to a reference image and allocating each of the adjacent divided images to a peripheral image, setting a view point that is coincident with the projection point of the reference image, and obtaining a 2-dimensional reference area of the reference image that is rendered on the screen model and is viewed from the view point.
REFERENCES:
patent: 3687530 (1972-08-01), Watanuki
patent: 5112121 (1992-05-01), Chang et al.
patent: 5136390 (1992-08-01), Inova et al.
patent: 6456339 (2002-09-01), Surati et al.
patent: 6513938 (2003-02-01), Kubota et al.
patent: 6733136 (2004-05-01), Lantz et al.
patent: 2003/0067587 (2003-04-01), Yamasaki et al.
patent: 2004/0169827 (2004-09-01), Kubo et al.
patent: 2005/0052623 (2005-03-01), Hsiung
patent: 2005/0083492 (2005-04-01), Taubenberger
patent: 2005/0117126 (2005-06-01), Miyazawa et al.
patent: 2005/0206857 (2005-09-01), Yamada
patent: 2005/0271299 (2005-12-01), Ajito et al.
patent: 2005/0275813 (2005-12-01), Yamazaki
patent: 21 12 426 (1972-05-01), None
patent: 06-178327 (1994-06-01), None
patent: 2000-310826 (2000-11-01), None
patent: 2001-306024 (2001-11-01), None
patent: 2002-131835 (2002-05-01), None
patent: 2002-148711 (2002-05-01), None
International Search Report for PCT/JP2004/004239 mailed on Jul. 21, 2004.
Dowling William C.
Rader & Fishman & Grauer, PLLC
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