Automatic tracking motion control system for a stage set

Communications: electrical – Condition responsive indicating system – With particular coupling link

Reexamination Certificate

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Reexamination Certificate

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08054179

ABSTRACT:
Movable items on a stage have their position detected in three dimensions, and multiple different lights can be shined at the moving items even after they are moved. Shadowing can be detected and compensated.

REFERENCES:
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patent: 6529853 (2003-03-01), Bauer
patent: 6769790 (2004-08-01), Fruhm et al.
patent: 7543955 (2009-06-01), Belliveau et al.
patent: 2004/0160198 (2004-08-01), Hewlett et al.

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